nginx: src/event/quic/ngx_event_quic

annotate src/event/quic/ngx_event_quic_protection.c @ 9172:4ccb0d973206

QUIC: reusing crypto contexts for packet protection.

author	Sergey Kandaurov <pluknet@nginx.com>
date	Fri, 20 Oct 2023 18:05:07 +0400
parents	f98636db77ef
children	904a54092d5b

rev	line source
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	2 /*
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	3 * Copyright (C) Nginx, Inc.
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	4 */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	5
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	6
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	7 #include <ngx_config.h>
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	8 #include <ngx_core.h>
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	9 #include <ngx_event.h>
8755 b4e6b7049984 QUIC: normalize header inclusion. Sergey Kandaurov <pluknet@nginx.com> parents: 8739 diff changeset	10 #include <ngx_event_quic_connection.h>
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	11
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	12
8798 fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	13 /* RFC 9001, 5.4.1. Header Protection Application: 5-byte mask */
fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	14 #define NGX_QUIC_HP_LEN 5
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	15
8800 e617d0ba387a QUIC: optimized initial secrets key length computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8799 diff changeset	16 #define NGX_QUIC_AES_128_KEY_LEN 16
e617d0ba387a QUIC: optimized initial secrets key length computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8799 diff changeset	17
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	18
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	19 static ngx_int_t ngx_hkdf_expand(u_char *out_key, size_t out_len,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	20 const EVP_MD digest, const u_char prk, size_t prk_len,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	21 const u_char *info, size_t info_len);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	22 static ngx_int_t ngx_hkdf_extract(u_char out_key, size_t out_len,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	23 const EVP_MD digest, const u_char secret, size_t secret_len,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	24 const u_char *salt, size_t salt_len);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	25
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	26 static uint64_t ngx_quic_parse_pn(u_char *pos, ngx_int_t len, u_char mask,
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	27 uint64_t *largest_pn);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	28
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	29 static ngx_int_t ngx_quic_crypto_open(ngx_quic_secret_t s, ngx_str_t out,
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	30 u_char nonce, ngx_str_t in, ngx_str_t ad, ngx_log_t log);
9171 f98636db77ef QUIC: renamed protection functions. Sergey Kandaurov <pluknet@nginx.com> parents: 9168 diff changeset	31 static ngx_int_t ngx_quic_crypto_hp(ngx_log_t log, const EVP_CIPHER cipher,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	32 ngx_quic_secret_t s, u_char out, u_char *in);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	33
8644 e953bd2c5bb3 QUIC: merged create_long/short_packet() functions. Sergey Kandaurov <pluknet@nginx.com> parents: 8643 diff changeset	34 static ngx_int_t ngx_quic_create_packet(ngx_quic_header_t *pkt,
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	35 ngx_str_t *res);
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	36 static ngx_int_t ngx_quic_create_retry_packet(ngx_quic_header_t *pkt,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	37 ngx_str_t *res);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	38
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	39
9080 7da4791e0264 QUIC: OpenSSL compatibility layer. Roman Arutyunyan <arut@nginx.com> parents: 9047 diff changeset	40 ngx_int_t
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	41 ngx_quic_ciphers(ngx_uint_t id, ngx_quic_ciphers_t *ciphers,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	42 enum ssl_encryption_level_t level)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	43 {
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	44 ngx_int_t len;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	45
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	46 if (level == ssl_encryption_initial) {
9030 172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	47 id = TLS1_3_CK_AES_128_GCM_SHA256;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	48 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	49
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	50 switch (id) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	51
9030 172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	52 case TLS1_3_CK_AES_128_GCM_SHA256:
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	53 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	54 ciphers->c = EVP_aead_aes_128_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	55 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	56 ciphers->c = EVP_aes_128_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	57 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	58 ciphers->hp = EVP_aes_128_ctr();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	59 ciphers->d = EVP_sha256();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	60 len = 16;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	61 break;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	62
9030 172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	63 case TLS1_3_CK_AES_256_GCM_SHA384:
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	64 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	65 ciphers->c = EVP_aead_aes_256_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	66 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	67 ciphers->c = EVP_aes_256_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	68 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	69 ciphers->hp = EVP_aes_256_ctr();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	70 ciphers->d = EVP_sha384();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	71 len = 32;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	72 break;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	73
9030 172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	74 case TLS1_3_CK_CHACHA20_POLY1305_SHA256:
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	75 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	76 ciphers->c = EVP_aead_chacha20_poly1305();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	77 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	78 ciphers->c = EVP_chacha20_poly1305();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	79 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	80 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	81 ciphers->hp = (const EVP_CIPHER *) EVP_aead_chacha20_poly1305();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	82 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	83 ciphers->hp = EVP_chacha20();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	84 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	85 ciphers->d = EVP_sha256();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	86 len = 32;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	87 break;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	88
9128 756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	89 #ifndef OPENSSL_IS_BORINGSSL
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	90 case TLS1_3_CK_AES_128_CCM_SHA256:
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	91 ciphers->c = EVP_aes_128_ccm();
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	92 ciphers->hp = EVP_aes_128_ctr();
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	93 ciphers->d = EVP_sha256();
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	94 len = 16;
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	95 break;
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	96 #endif
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	97
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	98 default:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	99 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	100 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	101
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	102 return len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	103 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	104
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	105
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	106 ngx_int_t
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	107 ngx_quic_keys_set_initial_secret(ngx_quic_keys_t keys, ngx_str_t secret,
f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	108 ngx_log_t *log)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	109 {
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	110 size_t is_len;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	111 uint8_t is[SHA256_DIGEST_LENGTH];
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	112 ngx_str_t iss;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	113 ngx_uint_t i;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	114 const EVP_MD *digest;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	115 ngx_quic_hkdf_t seq[8];
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	116 ngx_quic_secret_t client, server;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	117 ngx_quic_ciphers_t ciphers;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	118
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	119 static const uint8_t salt[20] =
8678 3443ee341cc1 QUIC: draft-33 salt and retry keys. Sergey Kandaurov <pluknet@nginx.com> parents: 8673 diff changeset	120 "\x38\x76\x2c\xf7\xf5\x59\x34\xb3\x4d\x17"
3443ee341cc1 QUIC: draft-33 salt and retry keys. Sergey Kandaurov <pluknet@nginx.com> parents: 8673 diff changeset	121 "\x9a\xe6\xa4\xc8\x0c\xad\xcc\xbb\x7f\x0a";
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	122
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	123 client = &keys->secrets[ssl_encryption_initial].client;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	124 server = &keys->secrets[ssl_encryption_initial].server;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	125
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	126 /*
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	127 * RFC 9001, section 5. Packet Protection
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	128 *
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	129 * Initial packets use AEAD_AES_128_GCM. The hash function
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	130 * for HKDF when deriving initial secrets and keys is SHA-256.
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	131 */
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	132
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	133 digest = EVP_sha256();
8729 0f8565e0fc76 QUIC: HKDF API compatibility with OpenSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8716 diff changeset	134 is_len = SHA256_DIGEST_LENGTH;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	135
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	136 if (ngx_hkdf_extract(is, &is_len, digest, secret->data, secret->len,
8980 d8865baab732 QUIC: removed draft versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8926 diff changeset	137 salt, sizeof(salt))
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	138 != NGX_OK)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	139 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	140 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	141 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	142
9040 8c0bccdf2743 QUIC: avoid using C99 designated initializers. Sergey Kandaurov <pluknet@nginx.com> parents: 9039 diff changeset	143 iss.len = is_len;
8c0bccdf2743 QUIC: avoid using C99 designated initializers. Sergey Kandaurov <pluknet@nginx.com> parents: 9039 diff changeset	144 iss.data = is;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	145
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	146 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, log, 0,
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8694 diff changeset	147 "quic ngx_quic_set_initial_secret");
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8565 diff changeset	148 #ifdef NGX_QUIC_DEBUG_CRYPTO
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	149 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, log, 0,
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	150 "quic salt len:%uz %*xs", sizeof(salt), sizeof(salt), salt);
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	151 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, log, 0,
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	152 "quic initial secret len:%uz %*xs", is_len, is_len, is);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	153 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	154
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	155 client->secret.len = SHA256_DIGEST_LENGTH;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	156 server->secret.len = SHA256_DIGEST_LENGTH;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	157
8800 e617d0ba387a QUIC: optimized initial secrets key length computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8799 diff changeset	158 client->key.len = NGX_QUIC_AES_128_KEY_LEN;
e617d0ba387a QUIC: optimized initial secrets key length computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8799 diff changeset	159 server->key.len = NGX_QUIC_AES_128_KEY_LEN;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	160
8800 e617d0ba387a QUIC: optimized initial secrets key length computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8799 diff changeset	161 client->hp.len = NGX_QUIC_AES_128_KEY_LEN;
e617d0ba387a QUIC: optimized initial secrets key length computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8799 diff changeset	162 server->hp.len = NGX_QUIC_AES_128_KEY_LEN;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	163
8799 ef8276c8ccff QUIC: consistent use of 12-byte buffers in nonce computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8798 diff changeset	164 client->iv.len = NGX_QUIC_IV_LEN;
ef8276c8ccff QUIC: consistent use of 12-byte buffers in nonce computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8798 diff changeset	165 server->iv.len = NGX_QUIC_IV_LEN;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	166
9039 a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	167 /* labels per RFC 9001, 5.1. Packet Protection Keys */
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	168 ngx_quic_hkdf_set(&seq[0], "tls13 client in", &client->secret, &iss);
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	169 ngx_quic_hkdf_set(&seq[1], "tls13 quic key", &client->key, &client->secret);
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	170 ngx_quic_hkdf_set(&seq[2], "tls13 quic iv", &client->iv, &client->secret);
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	171 ngx_quic_hkdf_set(&seq[3], "tls13 quic hp", &client->hp, &client->secret);
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	172 ngx_quic_hkdf_set(&seq[4], "tls13 server in", &server->secret, &iss);
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	173 ngx_quic_hkdf_set(&seq[5], "tls13 quic key", &server->key, &server->secret);
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	174 ngx_quic_hkdf_set(&seq[6], "tls13 quic iv", &server->iv, &server->secret);
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	175 ngx_quic_hkdf_set(&seq[7], "tls13 quic hp", &server->hp, &server->secret);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	176
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	177 for (i = 0; i < (sizeof(seq) / sizeof(seq[0])); i++) {
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	178 if (ngx_quic_hkdf_expand(&seq[i], digest, log) != NGX_OK) {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	179 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	180 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	181 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	182
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	183 if (ngx_quic_ciphers(0, &ciphers, ssl_encryption_initial) == NGX_ERROR) {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	184 return NGX_ERROR;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	185 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	186
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	187 if (ngx_quic_crypto_init(ciphers.c, client, 0, log) == NGX_ERROR) {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	188 return NGX_ERROR;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	189 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	190
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	191 if (ngx_quic_crypto_init(ciphers.c, server, 1, log) == NGX_ERROR) {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	192 goto failed;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	193 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	194
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	195 return NGX_OK;
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	196
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	197 failed:
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	198
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	199 ngx_quic_keys_cleanup(keys);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	200
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	201 return NGX_ERROR;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	202 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	203
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	204
9080 7da4791e0264 QUIC: OpenSSL compatibility layer. Roman Arutyunyan <arut@nginx.com> parents: 9047 diff changeset	205 ngx_int_t
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	206 ngx_quic_hkdf_expand(ngx_quic_hkdf_t h, const EVP_MD digest, ngx_log_t *log)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	207 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	208 size_t info_len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	209 uint8_t *p;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	210 uint8_t info[20];
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	211
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	212 info_len = 2 + 1 + h->label_len + 1;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	213
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	214 info[0] = 0;
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	215 info[1] = h->out_len;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	216 info[2] = h->label_len;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	217
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	218 p = ngx_cpymem(&info[3], h->label, h->label_len);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	219 *p = '\0';
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	220
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	221 if (ngx_hkdf_expand(h->out, h->out_len, digest,
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	222 h->prk, h->prk_len, info, info_len)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	223 != NGX_OK)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	224 {
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	225 ngx_ssl_error(NGX_LOG_INFO, log, 0,
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	226 "ngx_hkdf_expand(%*s) failed", h->label_len, h->label);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	227 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	228 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	229
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	230 #ifdef NGX_QUIC_DEBUG_CRYPTO
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	231 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, log, 0,
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	232 "quic expand \"%s\" len:%uz %xs",
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	233 h->label_len, h->label, h->out_len, h->out_len, h->out);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	234 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	235
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	236 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	237 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	238
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	239
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	240 static ngx_int_t
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	241 ngx_hkdf_expand(u_char out_key, size_t out_len, const EVP_MD digest,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	242 const uint8_t prk, size_t prk_len, const u_char info, size_t info_len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	243 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	244 #ifdef OPENSSL_IS_BORINGSSL
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	245
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	246 if (HKDF_expand(out_key, out_len, digest, prk, prk_len, info, info_len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	247 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	248 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	249 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	250 }
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	251
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	252 return NGX_OK;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	253
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	254 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	255
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	256 EVP_PKEY_CTX *pctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	257
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	258 pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL);
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	259 if (pctx == NULL) {
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	260 return NGX_ERROR;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	261 }
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	262
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	263 if (EVP_PKEY_derive_init(pctx) <= 0) {
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	264 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	265 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	266
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	267 if (EVP_PKEY_CTX_hkdf_mode(pctx, EVP_PKEY_HKDEF_MODE_EXPAND_ONLY) <= 0) {
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	268 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	269 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	270
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	271 if (EVP_PKEY_CTX_set_hkdf_md(pctx, digest) <= 0) {
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	272 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	273 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	274
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	275 if (EVP_PKEY_CTX_set1_hkdf_key(pctx, prk, prk_len) <= 0) {
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	276 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	277 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	278
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	279 if (EVP_PKEY_CTX_add1_hkdf_info(pctx, info, info_len) <= 0) {
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	280 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	281 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	282
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	283 if (EVP_PKEY_derive(pctx, out_key, &out_len) <= 0) {
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	284 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	285 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	286
8739 c0cd180308e4 QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand(). Sergey Kandaurov <pluknet@nginx.com> parents: 8729 diff changeset	287 EVP_PKEY_CTX_free(pctx);
c0cd180308e4 QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand(). Sergey Kandaurov <pluknet@nginx.com> parents: 8729 diff changeset	288
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	289 return NGX_OK;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	290
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	291 failed:
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	292
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	293 EVP_PKEY_CTX_free(pctx);
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	294
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	295 return NGX_ERROR;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	296
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	297 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	298 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	299
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	300
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	301 static ngx_int_t
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	302 ngx_hkdf_extract(u_char out_key, size_t out_len, const EVP_MD *digest,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	303 const u_char secret, size_t secret_len, const u_char salt,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	304 size_t salt_len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	305 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	306 #ifdef OPENSSL_IS_BORINGSSL
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	307
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	308 if (HKDF_extract(out_key, out_len, digest, secret, secret_len, salt,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	309 salt_len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	310 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	311 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	312 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	313 }
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	314
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	315 return NGX_OK;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	316
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	317 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	318
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	319 EVP_PKEY_CTX *pctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	320
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	321 pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL);
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	322 if (pctx == NULL) {
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	323 return NGX_ERROR;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	324 }
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	325
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	326 if (EVP_PKEY_derive_init(pctx) <= 0) {
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	327 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	328 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	329
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	330 if (EVP_PKEY_CTX_hkdf_mode(pctx, EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY) <= 0) {
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	331 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	332 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	333
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	334 if (EVP_PKEY_CTX_set_hkdf_md(pctx, digest) <= 0) {
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	335 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	336 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	337
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	338 if (EVP_PKEY_CTX_set1_hkdf_key(pctx, secret, secret_len) <= 0) {
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	339 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	340 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	341
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	342 if (EVP_PKEY_CTX_set1_hkdf_salt(pctx, salt, salt_len) <= 0) {
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	343 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	344 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	345
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	346 if (EVP_PKEY_derive(pctx, out_key, out_len) <= 0) {
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	347 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	348 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	349
8739 c0cd180308e4 QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand(). Sergey Kandaurov <pluknet@nginx.com> parents: 8729 diff changeset	350 EVP_PKEY_CTX_free(pctx);
c0cd180308e4 QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand(). Sergey Kandaurov <pluknet@nginx.com> parents: 8729 diff changeset	351
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	352 return NGX_OK;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	353
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	354 failed:
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	355
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	356 EVP_PKEY_CTX_free(pctx);
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	357
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	358 return NGX_ERROR;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	359
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	360 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	361 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	362
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	363
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	364 ngx_int_t
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	365 ngx_quic_crypto_init(const ngx_quic_cipher_t cipher, ngx_quic_secret_t s,
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	366 ngx_int_t enc, ngx_log_t *log)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	367 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	368
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	369 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	370 EVP_AEAD_CTX *ctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	371
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	372 ctx = EVP_AEAD_CTX_new(cipher, s->key.data, s->key.len,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	373 EVP_AEAD_DEFAULT_TAG_LENGTH);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	374 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	375 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_AEAD_CTX_new() failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	376 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	377 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	378 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	379 EVP_CIPHER_CTX *ctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	380
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	381 ctx = EVP_CIPHER_CTX_new();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	382 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	383 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_CIPHER_CTX_new() failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	384 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	385 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	386
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	387 if (EVP_CipherInit_ex(ctx, cipher, NULL, NULL, NULL, enc) != 1) {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	388 EVP_CIPHER_CTX_free(ctx);
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	389 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_CipherInit_ex() failed");
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	390 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	391 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	392
9128 756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	393 if (EVP_CIPHER_mode(cipher) == EVP_CIPH_CCM_MODE
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	394 && EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG, NGX_QUIC_TAG_LEN,
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	395 NULL)
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	396 == 0)
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	397 {
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	398 EVP_CIPHER_CTX_free(ctx);
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	399 ngx_ssl_error(NGX_LOG_INFO, log, 0,
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	400 "EVP_CIPHER_CTX_ctrl(EVP_CTRL_AEAD_SET_TAG) failed");
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	401 return NGX_ERROR;
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	402 }
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	403
9127 a7b850a5d98d QUIC: common cipher control constants instead of GCM-related. Roman Arutyunyan <arut@nginx.com> parents: 9126 diff changeset	404 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_IVLEN, s->iv.len, NULL)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	405 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	406 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	407 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	408 ngx_ssl_error(NGX_LOG_INFO, log, 0,
9127 a7b850a5d98d QUIC: common cipher control constants instead of GCM-related. Roman Arutyunyan <arut@nginx.com> parents: 9126 diff changeset	409 "EVP_CIPHER_CTX_ctrl(EVP_CTRL_AEAD_SET_IVLEN) failed");
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	410 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	411 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	412
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	413 if (EVP_CipherInit_ex(ctx, NULL, NULL, s->key.data, NULL, enc) != 1) {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	414 EVP_CIPHER_CTX_free(ctx);
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	415 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_CipherInit_ex() failed");
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	416 return NGX_ERROR;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	417 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	418 #endif
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	419
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	420 s->ctx = ctx;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	421 return NGX_OK;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	422 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	423
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	424
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	425 static ngx_int_t
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	426 ngx_quic_crypto_open(ngx_quic_secret_t s, ngx_str_t out, u_char *nonce,
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	427 ngx_str_t in, ngx_str_t ad, ngx_log_t *log)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	428 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	429 ngx_quic_crypto_ctx_t *ctx;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	430
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	431 ctx = s->ctx;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	432
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	433 #ifdef OPENSSL_IS_BORINGSSL
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	434 if (EVP_AEAD_CTX_open(ctx, out->data, &out->len, out->len, nonce, s->iv.len,
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	435 in->data, in->len, ad->data, ad->len)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	436 != 1)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	437 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	438 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_AEAD_CTX_open() failed");
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	439 return NGX_ERROR;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	440 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	441 #else
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	442 int len;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	443
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	444 if (EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, nonce) != 1) {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	445 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_DecryptInit_ex() failed");
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	446 return NGX_ERROR;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	447 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	448
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	449 in->len -= NGX_QUIC_TAG_LEN;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	450
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	451 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG, NGX_QUIC_TAG_LEN,
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	452 in->data + in->len)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	453 == 0)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	454 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	455 ngx_ssl_error(NGX_LOG_INFO, log, 0,
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	456 "EVP_CIPHER_CTX_ctrl(EVP_CTRL_AEAD_SET_TAG) failed");
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	457 return NGX_ERROR;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	458 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	459
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	460 if (EVP_CIPHER_mode(EVP_CIPHER_CTX_cipher(ctx)) == EVP_CIPH_CCM_MODE
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	461 && EVP_DecryptUpdate(ctx, NULL, &len, NULL, in->len) != 1)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	462 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	463 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_DecryptUpdate() failed");
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	464 return NGX_ERROR;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	465 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	466
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	467 if (EVP_DecryptUpdate(ctx, NULL, &len, ad->data, ad->len) != 1) {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	468 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_DecryptUpdate() failed");
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	469 return NGX_ERROR;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	470 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	471
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	472 if (EVP_DecryptUpdate(ctx, out->data, &len, in->data, in->len) != 1) {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	473 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_DecryptUpdate() failed");
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	474 return NGX_ERROR;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	475 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	476
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	477 out->len = len;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	478
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	479 if (EVP_DecryptFinal_ex(ctx, out->data + out->len, &len) <= 0) {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	480 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_DecryptFinal_ex failed");
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	481 return NGX_ERROR;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	482 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	483
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	484 out->len += len;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	485 #endif
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	486
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	487 return NGX_OK;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	488 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	489
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	490
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	491 ngx_int_t
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	492 ngx_quic_crypto_seal(ngx_quic_secret_t s, ngx_str_t out, u_char *nonce,
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	493 ngx_str_t in, ngx_str_t ad, ngx_log_t *log)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	494 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	495 ngx_quic_crypto_ctx_t *ctx;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	496
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	497 ctx = s->ctx;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	498
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	499 #ifdef OPENSSL_IS_BORINGSSL
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	500 if (EVP_AEAD_CTX_seal(ctx, out->data, &out->len, out->len, nonce, s->iv.len,
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	501 in->data, in->len, ad->data, ad->len)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	502 != 1)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	503 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	504 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_AEAD_CTX_seal() failed");
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	505 return NGX_ERROR;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	506 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	507 #else
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	508 int len;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	509
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	510 if (EVP_EncryptInit_ex(ctx, NULL, NULL, NULL, nonce) != 1) {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	511 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_EncryptInit_ex() failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	512 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	513 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	514
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	515 if (EVP_CIPHER_mode(EVP_CIPHER_CTX_cipher(ctx)) == EVP_CIPH_CCM_MODE
9128 756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	516 && EVP_EncryptUpdate(ctx, NULL, &len, NULL, in->len) != 1)
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	517 {
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	518 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_EncryptUpdate() failed");
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	519 return NGX_ERROR;
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	520 }
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	521
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	522 if (EVP_EncryptUpdate(ctx, NULL, &len, ad->data, ad->len) != 1) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	523 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_EncryptUpdate() failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	524 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	525 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	526
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	527 if (EVP_EncryptUpdate(ctx, out->data, &len, in->data, in->len) != 1) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	528 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_EncryptUpdate() failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	529 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	530 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	531
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	532 out->len = len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	533
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	534 if (EVP_EncryptFinal_ex(ctx, out->data + out->len, &len) <= 0) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	535 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_EncryptFinal_ex failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	536 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	537 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	538
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	539 out->len += len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	540
9127 a7b850a5d98d QUIC: common cipher control constants instead of GCM-related. Roman Arutyunyan <arut@nginx.com> parents: 9126 diff changeset	541 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG, NGX_QUIC_TAG_LEN,
9129 7379cb29cd72 QUIC: unified ngx_quic_tls_open() and ngx_quic_tls_seal(). Sergey Kandaurov <pluknet@nginx.com> parents: 9128 diff changeset	542 out->data + out->len)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	543 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	544 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	545 ngx_ssl_error(NGX_LOG_INFO, log, 0,
9127 a7b850a5d98d QUIC: common cipher control constants instead of GCM-related. Roman Arutyunyan <arut@nginx.com> parents: 9126 diff changeset	546 "EVP_CIPHER_CTX_ctrl(EVP_CTRL_AEAD_GET_TAG) failed");
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	547 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	548 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	549
9130 0f23488a9f5a QUIC: style. Sergey Kandaurov <pluknet@nginx.com> parents: 9129 diff changeset	550 out->len += NGX_QUIC_TAG_LEN;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	551 #endif
9130 0f23488a9f5a QUIC: style. Sergey Kandaurov <pluknet@nginx.com> parents: 9129 diff changeset	552
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	553 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	554 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	555
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	556
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	557 void
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	558 ngx_quic_crypto_cleanup(ngx_quic_secret_t *s)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	559 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	560 if (s->ctx) {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	561 #ifdef OPENSSL_IS_BORINGSSL
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	562 EVP_AEAD_CTX_free(s->ctx);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	563 #else
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	564 EVP_CIPHER_CTX_free(s->ctx);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	565 #endif
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	566 s->ctx = NULL;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	567 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	568 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	569
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	570
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	571 static ngx_int_t
9171 f98636db77ef QUIC: renamed protection functions. Sergey Kandaurov <pluknet@nginx.com> parents: 9168 diff changeset	572 ngx_quic_crypto_hp(ngx_log_t log, const EVP_CIPHER cipher,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	573 ngx_quic_secret_t s, u_char out, u_char *in)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	574 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	575 int outlen;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	576 EVP_CIPHER_CTX *ctx;
8798 fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	577 u_char zero[NGX_QUIC_HP_LEN] = {0};
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	578
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	579 #ifdef OPENSSL_IS_BORINGSSL
8798 fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	580 uint32_t cnt;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	581
8798 fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	582 ngx_memcpy(&cnt, in, sizeof(uint32_t));
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	583
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	584 if (cipher == (const EVP_CIPHER *) EVP_aead_chacha20_poly1305()) {
8798 fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	585 CRYPTO_chacha_20(out, zero, NGX_QUIC_HP_LEN, s->hp.data, &in[4], cnt);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	586 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	587 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	588 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	589
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	590 ctx = EVP_CIPHER_CTX_new();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	591 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	592 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	593 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	594
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	595 if (EVP_EncryptInit_ex(ctx, cipher, NULL, s->hp.data, in) != 1) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	596 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_EncryptInit_ex() failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	597 goto failed;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	598 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	599
8798 fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	600 if (!EVP_EncryptUpdate(ctx, out, &outlen, zero, NGX_QUIC_HP_LEN)) {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	601 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_EncryptUpdate() failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	602 goto failed;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	603 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	604
8798 fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	605 if (!EVP_EncryptFinal_ex(ctx, out + NGX_QUIC_HP_LEN, &outlen)) {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	606 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_EncryptFinal_Ex() failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	607 goto failed;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	608 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	609
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	610 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	611
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	612 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	613
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	614 failed:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	615
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	616 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	617
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	618 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	619 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	620
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	621
8926 3341e4089c6c QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes. Sergey Kandaurov <pluknet@nginx.com> parents: 8894 diff changeset	622 ngx_int_t
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	623 ngx_quic_keys_set_encryption_secret(ngx_log_t *log, ngx_uint_t is_write,
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	624 ngx_quic_keys_t *keys, enum ssl_encryption_level_t level,
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	625 const SSL_CIPHER cipher, const uint8_t secret, size_t secret_len)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	626 {
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	627 ngx_int_t key_len;
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	628 ngx_str_t secret_str;
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	629 ngx_uint_t i;
9039 a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	630 ngx_quic_hkdf_t seq[3];
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	631 ngx_quic_secret_t *peer_secret;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	632 ngx_quic_ciphers_t ciphers;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	633
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	634 peer_secret = is_write ? &keys->secrets[level].server
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	635 : &keys->secrets[level].client;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	636
9030 172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	637 keys->cipher = SSL_CIPHER_get_id(cipher);
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	638
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	639 key_len = ngx_quic_ciphers(keys->cipher, &ciphers, level);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	640
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	641 if (key_len == NGX_ERROR) {
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	642 ngx_ssl_error(NGX_LOG_INFO, log, 0, "unexpected cipher");
8926 3341e4089c6c QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes. Sergey Kandaurov <pluknet@nginx.com> parents: 8894 diff changeset	643 return NGX_ERROR;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	644 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	645
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	646 if (sizeof(peer_secret->secret.data) < secret_len) {
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	647 ngx_log_error(NGX_LOG_ALERT, log, 0,
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	648 "unexpected secret len: %uz", secret_len);
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	649 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	650 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	651
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	652 peer_secret->secret.len = secret_len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	653 ngx_memcpy(peer_secret->secret.data, secret, secret_len);
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	654
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	655 peer_secret->key.len = key_len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	656 peer_secret->iv.len = NGX_QUIC_IV_LEN;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	657 peer_secret->hp.len = key_len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	658
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	659 secret_str.len = secret_len;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	660 secret_str.data = (u_char *) secret;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	661
9039 a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	662 ngx_quic_hkdf_set(&seq[0], "tls13 quic key",
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	663 &peer_secret->key, &secret_str);
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	664 ngx_quic_hkdf_set(&seq[1], "tls13 quic iv", &peer_secret->iv, &secret_str);
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	665 ngx_quic_hkdf_set(&seq[2], "tls13 quic hp", &peer_secret->hp, &secret_str);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	666
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	667 for (i = 0; i < (sizeof(seq) / sizeof(seq[0])); i++) {
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	668 if (ngx_quic_hkdf_expand(&seq[i], ciphers.d, log) != NGX_OK) {
8926 3341e4089c6c QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes. Sergey Kandaurov <pluknet@nginx.com> parents: 8894 diff changeset	669 return NGX_ERROR;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	670 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	671 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	672
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	673 if (ngx_quic_crypto_init(ciphers.c, peer_secret, is_write, log)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	674 == NGX_ERROR)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	675 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	676 return NGX_ERROR;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	677 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	678
8926 3341e4089c6c QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes. Sergey Kandaurov <pluknet@nginx.com> parents: 8894 diff changeset	679 return NGX_OK;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	680 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	681
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	682
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	683 ngx_uint_t
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	684 ngx_quic_keys_available(ngx_quic_keys_t *keys,
9168 ff98ae7d261e QUIC: split keys availability checks to read and write sides. Sergey Kandaurov <pluknet@nginx.com> parents: 9152 diff changeset	685 enum ssl_encryption_level_t level, ngx_uint_t is_write)
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	686 {
9168 ff98ae7d261e QUIC: split keys availability checks to read and write sides. Sergey Kandaurov <pluknet@nginx.com> parents: 9152 diff changeset	687 if (is_write == 0) {
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	688 return keys->secrets[level].client.ctx != NULL;
9168 ff98ae7d261e QUIC: split keys availability checks to read and write sides. Sergey Kandaurov <pluknet@nginx.com> parents: 9152 diff changeset	689 }
ff98ae7d261e QUIC: split keys availability checks to read and write sides. Sergey Kandaurov <pluknet@nginx.com> parents: 9152 diff changeset	690
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	691 return keys->secrets[level].server.ctx != NULL;
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	692 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	693
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	694
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	695 void
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	696 ngx_quic_keys_discard(ngx_quic_keys_t *keys,
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8694 diff changeset	697 enum ssl_encryption_level_t level)
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	698 {
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	699 ngx_quic_secret_t client, server;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	700
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	701 client = &keys->secrets[level].client;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	702 server = &keys->secrets[level].server;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	703
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	704 ngx_quic_crypto_cleanup(client);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	705 ngx_quic_crypto_cleanup(server);
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	706 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	707
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	708
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	709 void
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	710 ngx_quic_keys_switch(ngx_connection_t c, ngx_quic_keys_t keys)
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	711 {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	712 ngx_quic_secrets_t current, next, tmp;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	713
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	714 current = &keys->secrets[ssl_encryption_application];
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	715 next = &keys->next_key;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	716
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	717 ngx_quic_crypto_cleanup(&current->client);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	718 ngx_quic_crypto_cleanup(&current->server);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	719
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	720 tmp = *current;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	721 current = next;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	722 *next = tmp;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	723 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	724
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	725
9152 2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	726 void
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	727 ngx_quic_keys_update(ngx_event_t *ev)
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	728 {
9152 2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	729 ngx_uint_t i;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	730 ngx_quic_hkdf_t seq[6];
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	731 ngx_quic_keys_t *keys;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	732 ngx_connection_t *c;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	733 ngx_quic_ciphers_t ciphers;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	734 ngx_quic_secrets_t current, next;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	735 ngx_quic_connection_t *qc;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	736
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	737 c = ev->data;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	738 qc = ngx_quic_get_connection(c);
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	739 keys = qc->keys;
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	740
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	741 current = &keys->secrets[ssl_encryption_application];
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	742 next = &keys->next_key;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	743
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	744 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic key update");
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	745
9152 2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	746 c->log->action = "updating keys";
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	747
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	748 if (ngx_quic_ciphers(keys->cipher, &ciphers, ssl_encryption_application)
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	749 == NGX_ERROR)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	750 {
9152 2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	751 goto failed;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	752 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	753
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	754 next->client.secret.len = current->client.secret.len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	755 next->client.key.len = current->client.key.len;
8799 ef8276c8ccff QUIC: consistent use of 12-byte buffers in nonce computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8798 diff changeset	756 next->client.iv.len = NGX_QUIC_IV_LEN;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	757 next->client.hp = current->client.hp;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	758
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	759 next->server.secret.len = current->server.secret.len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	760 next->server.key.len = current->server.key.len;
8799 ef8276c8ccff QUIC: consistent use of 12-byte buffers in nonce computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8798 diff changeset	761 next->server.iv.len = NGX_QUIC_IV_LEN;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	762 next->server.hp = current->server.hp;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	763
9039 a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	764 ngx_quic_hkdf_set(&seq[0], "tls13 quic ku",
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	765 &next->client.secret, &current->client.secret);
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	766 ngx_quic_hkdf_set(&seq[1], "tls13 quic key",
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	767 &next->client.key, &next->client.secret);
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	768 ngx_quic_hkdf_set(&seq[2], "tls13 quic iv",
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	769 &next->client.iv, &next->client.secret);
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	770 ngx_quic_hkdf_set(&seq[3], "tls13 quic ku",
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	771 &next->server.secret, &current->server.secret);
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	772 ngx_quic_hkdf_set(&seq[4], "tls13 quic key",
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	773 &next->server.key, &next->server.secret);
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	774 ngx_quic_hkdf_set(&seq[5], "tls13 quic iv",
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	775 &next->server.iv, &next->server.secret);
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	776
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	777 for (i = 0; i < (sizeof(seq) / sizeof(seq[0])); i++) {
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	778 if (ngx_quic_hkdf_expand(&seq[i], ciphers.d, c->log) != NGX_OK) {
9152 2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	779 goto failed;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	780 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	781 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	782
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	783 if (ngx_quic_crypto_init(ciphers.c, &next->client, 0, c->log) == NGX_ERROR)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	784 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	785 goto failed;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	786 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	787
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	788 if (ngx_quic_crypto_init(ciphers.c, &next->server, 1, c->log) == NGX_ERROR)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	789 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	790 goto failed;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	791 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	792
9152 2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	793 return;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	794
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	795 failed:
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	796
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	797 ngx_quic_close_connection(c, NGX_ERROR);
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	798 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	799
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	800
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	801 void
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	802 ngx_quic_keys_cleanup(ngx_quic_keys_t *keys)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	803 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	804 ngx_uint_t i;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	805 ngx_quic_secrets_t *next;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	806
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	807 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	808 ngx_quic_keys_discard(keys, i);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	809 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	810
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	811 next = &keys->next_key;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	812
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	813 ngx_quic_crypto_cleanup(&next->client);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	814 ngx_quic_crypto_cleanup(&next->server);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	815 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	816
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	817
8376 2d0f4aa78ed6 Restored ngx_quic_encrypt return type. Sergey Kandaurov <pluknet@nginx.com> parents: 8375 diff changeset	818 static ngx_int_t
8644 e953bd2c5bb3 QUIC: merged create_long/short_packet() functions. Sergey Kandaurov <pluknet@nginx.com> parents: 8643 diff changeset	819 ngx_quic_create_packet(ngx_quic_header_t pkt, ngx_str_t res)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	820 {
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	821 u_char pnp, sample;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	822 ngx_str_t ad, out;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	823 ngx_uint_t i;
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	824 ngx_quic_secret_t *secret;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	825 ngx_quic_ciphers_t ciphers;
8799 ef8276c8ccff QUIC: consistent use of 12-byte buffers in nonce computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8798 diff changeset	826 u_char nonce[NGX_QUIC_IV_LEN], mask[NGX_QUIC_HP_LEN];
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	827
8894 de7b9af30fc6 QUIC: refactored packet creation. Vladimir Homutov <vl@nginx.com> parents: 8888 diff changeset	828 ad.data = res->data;
de7b9af30fc6 QUIC: refactored packet creation. Vladimir Homutov <vl@nginx.com> parents: 8888 diff changeset	829 ad.len = ngx_quic_create_header(pkt, ad.data, &pnp);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	830
9126 29a6c0e11f75 QUIC: a new constant for AEAD tag length. Roman Arutyunyan <arut@nginx.com> parents: 9080 diff changeset	831 out.len = pkt->payload.len + NGX_QUIC_TAG_LEN;
8318 1bb5e8538d0c Removed excessive debugging in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8317 diff changeset	832 out.data = res->data + ad.len;
1bb5e8538d0c Removed excessive debugging in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8317 diff changeset	833
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	834 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	835 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	836 "quic ad len:%uz %xV", ad.len, &ad);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	837 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	838
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	839 if (ngx_quic_ciphers(pkt->keys->cipher, &ciphers, pkt->level) == NGX_ERROR)
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	840 {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	841 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	842 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	843
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	844 secret = &pkt->keys->secrets[pkt->level].server;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	845
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	846 ngx_memcpy(nonce, secret->iv.data, secret->iv.len);
8310 7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	847 ngx_quic_compute_nonce(nonce, sizeof(nonce), pkt->number);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	848
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	849 if (ngx_quic_crypto_seal(secret, &out, nonce, &pkt->payload, &ad, pkt->log)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	850 != NGX_OK)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	851 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	852 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	853 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	854
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	855 sample = &out.data[4 - pkt->num_len];
9171 f98636db77ef QUIC: renamed protection functions. Sergey Kandaurov <pluknet@nginx.com> parents: 9168 diff changeset	856 if (ngx_quic_crypto_hp(pkt->log, ciphers.hp, secret, mask, sample)
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	857 != NGX_OK)
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	858 {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	859 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	860 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	861
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	862 /* RFC 9001, 5.4.1. Header Protection Application */
8643 5fdd0ef42232 QUIC: macros for manipulating header protection and reserved bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8642 diff changeset	863 ad.data[0] ^= mask[0] & ngx_quic_pkt_hp_mask(pkt->flags);
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	864
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	865 for (i = 0; i < pkt->num_len; i++) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	866 pnp[i] ^= mask[i + 1];
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	867 }
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	868
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	869 res->len = ad.len + out.len;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	870
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	871 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	872 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	873
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	874
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	875 static ngx_int_t
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	876 ngx_quic_create_retry_packet(ngx_quic_header_t pkt, ngx_str_t res)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	877 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	878 u_char *start;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	879 ngx_str_t ad, itag;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	880 ngx_quic_secret_t secret;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	881 ngx_quic_ciphers_t ciphers;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	882
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	883 /* 5.8. Retry Packet Integrity */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	884 static u_char key[16] =
8678 3443ee341cc1 QUIC: draft-33 salt and retry keys. Sergey Kandaurov <pluknet@nginx.com> parents: 8673 diff changeset	885 "\xbe\x0c\x69\x0b\x9f\x66\x57\x5a\x1d\x76\x6b\x54\xe3\x68\xc8\x4e";
8799 ef8276c8ccff QUIC: consistent use of 12-byte buffers in nonce computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8798 diff changeset	886 static u_char nonce[NGX_QUIC_IV_LEN] =
8678 3443ee341cc1 QUIC: draft-33 salt and retry keys. Sergey Kandaurov <pluknet@nginx.com> parents: 8673 diff changeset	887 "\x46\x15\x99\xd3\x5d\x63\x2b\xf2\x23\x98\x25\xbb";
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	888 static ngx_str_t in = ngx_string("");
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	889
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	890 ad.data = res->data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	891 ad.len = ngx_quic_create_retry_itag(pkt, ad.data, &start);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	892
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	893 itag.data = ad.data + ad.len;
9126 29a6c0e11f75 QUIC: a new constant for AEAD tag length. Roman Arutyunyan <arut@nginx.com> parents: 9080 diff changeset	894 itag.len = NGX_QUIC_TAG_LEN;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	895
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	896 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	897 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	898 "quic retry itag len:%uz %xV", ad.len, &ad);
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	899 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	900
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	901 if (ngx_quic_ciphers(0, &ciphers, pkt->level) == NGX_ERROR) {
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	902 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	903 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	904
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	905 secret.key.len = sizeof(key);
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	906 ngx_memcpy(secret.key.data, key, sizeof(key));
8799 ef8276c8ccff QUIC: consistent use of 12-byte buffers in nonce computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8798 diff changeset	907 secret.iv.len = NGX_QUIC_IV_LEN;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	908
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	909 if (ngx_quic_crypto_init(ciphers.c, &secret, 1, pkt->log) == NGX_ERROR) {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	910 return NGX_ERROR;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	911 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	912
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	913 if (ngx_quic_crypto_seal(&secret, &itag, nonce, &in, &ad, pkt->log)
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	914 != NGX_OK)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	915 {
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	916 ngx_quic_crypto_cleanup(&secret);
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	917 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	918 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	919
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	920 ngx_quic_crypto_cleanup(&secret);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	921
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	922 res->len = itag.data + itag.len - start;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	923 res->data = start;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	924
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	925 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	926 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	927
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	928
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	929 ngx_int_t
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	930 ngx_quic_derive_key(ngx_log_t log, const char label, ngx_str_t *secret,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	931 ngx_str_t salt, u_char out, size_t len)
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	932 {
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	933 size_t is_len, info_len;
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	934 uint8_t *p;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	935 const EVP_MD *digest;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	936
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	937 uint8_t is[SHA256_DIGEST_LENGTH];
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	938 uint8_t info[20];
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	939
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	940 digest = EVP_sha256();
8729 0f8565e0fc76 QUIC: HKDF API compatibility with OpenSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8716 diff changeset	941 is_len = SHA256_DIGEST_LENGTH;
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	942
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	943 if (ngx_hkdf_extract(is, &is_len, digest, secret->data, secret->len,
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	944 salt->data, salt->len)
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8694 diff changeset	945 != NGX_OK)
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	946 {
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	947 ngx_ssl_error(NGX_LOG_INFO, log, 0,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	948 "ngx_hkdf_extract(%s) failed", label);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	949 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	950 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	951
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	952 info[0] = 0;
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	953 info[1] = len;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	954 info[2] = ngx_strlen(label);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	955
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	956 info_len = 2 + 1 + info[2] + 1;
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	957
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	958 if (info_len >= 20) {
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	959 ngx_log_error(NGX_LOG_INFO, log, 0,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	960 "ngx_quic_create_key label \"%s\" too long", label);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	961 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	962 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	963
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	964 p = ngx_cpymem(&info[3], label, info[2]);
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	965 *p = '\0';
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	966
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	967 if (ngx_hkdf_expand(out, len, digest, is, is_len, info, info_len) != NGX_OK)
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	968 {
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	969 ngx_ssl_error(NGX_LOG_INFO, log, 0,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	970 "ngx_hkdf_expand(%s) failed", label);
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	971 return NGX_ERROR;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	972 }
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	973
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	974 return NGX_OK;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	975 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	976
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	977
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	978 static uint64_t
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	979 ngx_quic_parse_pn(u_char *pos, ngx_int_t len, u_char mask,
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	980 uint64_t *largest_pn)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	981 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	982 u_char *p;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	983 uint64_t truncated_pn, expected_pn, candidate_pn;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	984 uint64_t pn_nbits, pn_win, pn_hwin, pn_mask;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	985
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	986 pn_nbits = ngx_min(len * 8, 62);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	987
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	988 p = *pos;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	989 truncated_pn = p++ ^ mask++;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	990
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	991 while (--len) {
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	992 truncated_pn = (truncated_pn << 8) + (p++ ^ mask++);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	993 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	994
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	995 *pos = p;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	996
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	997 expected_pn = *largest_pn + 1;
8394 df18ae7161b8 Assorted fixes. Sergey Kandaurov <pluknet@nginx.com> parents: 8386 diff changeset	998 pn_win = 1ULL << pn_nbits;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	999 pn_hwin = pn_win / 2;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1000 pn_mask = pn_win - 1;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1001
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1002 candidate_pn = (expected_pn & ~pn_mask) \| truncated_pn;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1003
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1004 if ((int64_t) candidate_pn <= (int64_t) (expected_pn - pn_hwin)
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1005 && candidate_pn < (1ULL << 62) - pn_win)
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1006 {
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1007 candidate_pn += pn_win;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1008
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1009 } else if (candidate_pn > expected_pn + pn_hwin
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1010 && candidate_pn >= pn_win)
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1011 {
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1012 candidate_pn -= pn_win;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1013 }
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1014
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1015 largest_pn = ngx_max((int64_t) largest_pn, (int64_t) candidate_pn);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1016
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1017 return candidate_pn;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1018 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1019
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1020
9080 7da4791e0264 QUIC: OpenSSL compatibility layer. Roman Arutyunyan <arut@nginx.com> parents: 9047 diff changeset	1021 void
8310 7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	1022 ngx_quic_compute_nonce(u_char *nonce, size_t len, uint64_t pn)
7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	1023 {
9047 70ce1e927715 QUIC: fixed computation of nonce with packet numbers beyond 2^32. Sergey Kandaurov <pluknet@nginx.com> parents: 9041 diff changeset	1024 nonce[len - 8] ^= (pn >> 56) & 0x3f;
70ce1e927715 QUIC: fixed computation of nonce with packet numbers beyond 2^32. Sergey Kandaurov <pluknet@nginx.com> parents: 9041 diff changeset	1025 nonce[len - 7] ^= (pn >> 48) & 0xff;
70ce1e927715 QUIC: fixed computation of nonce with packet numbers beyond 2^32. Sergey Kandaurov <pluknet@nginx.com> parents: 9041 diff changeset	1026 nonce[len - 6] ^= (pn >> 40) & 0xff;
70ce1e927715 QUIC: fixed computation of nonce with packet numbers beyond 2^32. Sergey Kandaurov <pluknet@nginx.com> parents: 9041 diff changeset	1027 nonce[len - 5] ^= (pn >> 32) & 0xff;
70ce1e927715 QUIC: fixed computation of nonce with packet numbers beyond 2^32. Sergey Kandaurov <pluknet@nginx.com> parents: 9041 diff changeset	1028 nonce[len - 4] ^= (pn >> 24) & 0xff;
70ce1e927715 QUIC: fixed computation of nonce with packet numbers beyond 2^32. Sergey Kandaurov <pluknet@nginx.com> parents: 9041 diff changeset	1029 nonce[len - 3] ^= (pn >> 16) & 0xff;
70ce1e927715 QUIC: fixed computation of nonce with packet numbers beyond 2^32. Sergey Kandaurov <pluknet@nginx.com> parents: 9041 diff changeset	1030 nonce[len - 2] ^= (pn >> 8) & 0xff;
70ce1e927715 QUIC: fixed computation of nonce with packet numbers beyond 2^32. Sergey Kandaurov <pluknet@nginx.com> parents: 9041 diff changeset	1031 nonce[len - 1] ^= pn & 0xff;
8310 7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	1032 }
7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	1033
7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	1034
8376 2d0f4aa78ed6 Restored ngx_quic_encrypt return type. Sergey Kandaurov <pluknet@nginx.com> parents: 8375 diff changeset	1035 ngx_int_t
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1036 ngx_quic_encrypt(ngx_quic_header_t pkt, ngx_str_t res)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1037 {
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	1038 if (ngx_quic_pkt_retry(pkt->flags)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	1039 return ngx_quic_create_retry_packet(pkt, res);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	1040 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	1041
8644 e953bd2c5bb3 QUIC: merged create_long/short_packet() functions. Sergey Kandaurov <pluknet@nginx.com> parents: 8643 diff changeset	1042 return ngx_quic_create_packet(pkt, res);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1043 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1044
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1045
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1046 ngx_int_t
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1047 ngx_quic_decrypt(ngx_quic_header_t pkt, uint64_t largest_pn)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1048 {
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1049 u_char p, sample;
8558 0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len. Roman Arutyunyan <arut@nginx.com> parents: 8544 diff changeset	1050 size_t len;
8532 b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1051 uint64_t pn, lpn;
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	1052 ngx_int_t pnl;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1053 ngx_str_t in, ad;
9041 e23fd55e1cc6 QUIC: fixed C4389 MSVC warning about signed/unsigned mismatch. Sergey Kandaurov <pluknet@nginx.com> parents: 9040 diff changeset	1054 ngx_uint_t key_phase;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1055 ngx_quic_secret_t *secret;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1056 ngx_quic_ciphers_t ciphers;
8799 ef8276c8ccff QUIC: consistent use of 12-byte buffers in nonce computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8798 diff changeset	1057 uint8_t nonce[NGX_QUIC_IV_LEN], mask[NGX_QUIC_HP_LEN];
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1058
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1059 if (ngx_quic_ciphers(pkt->keys->cipher, &ciphers, pkt->level) == NGX_ERROR)
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1060 {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1061 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1062 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1063
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1064 secret = &pkt->keys->secrets[pkt->level].client;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1065
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1066 p = pkt->raw->pos;
8558 0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len. Roman Arutyunyan <arut@nginx.com> parents: 8544 diff changeset	1067 len = pkt->data + pkt->len - p;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1068
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1069 /*
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1070 * RFC 9001, 5.4.2. Header Protection Sample
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1071 * 5.4.3. AES-Based Header Protection
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1072 * 5.4.4. ChaCha20-Based Header Protection
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1073 *
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1074 * the Packet Number field is assumed to be 4 bytes long
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1075 * AES and ChaCha20 algorithms sample 16 bytes
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1076 */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1077
9126 29a6c0e11f75 QUIC: a new constant for AEAD tag length. Roman Arutyunyan <arut@nginx.com> parents: 9080 diff changeset	1078 if (len < NGX_QUIC_TAG_LEN + 4) {
8543 9aedab0f0dff QUIC: check that the packet length is of at least sample size. Sergey Kandaurov <pluknet@nginx.com> parents: 8542 diff changeset	1079 return NGX_DECLINED;
9aedab0f0dff QUIC: check that the packet length is of at least sample size. Sergey Kandaurov <pluknet@nginx.com> parents: 8542 diff changeset	1080 }
9aedab0f0dff QUIC: check that the packet length is of at least sample size. Sergey Kandaurov <pluknet@nginx.com> parents: 8542 diff changeset	1081
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1082 sample = p + 4;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1083
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1084 /* header protection */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1085
9171 f98636db77ef QUIC: renamed protection functions. Sergey Kandaurov <pluknet@nginx.com> parents: 9168 diff changeset	1086 if (ngx_quic_crypto_hp(pkt->log, ciphers.hp, secret, mask, sample)
8287 ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	1087 != NGX_OK)
ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	1088 {
8446 df29219988bc Discard short packets which could not be decrypted. Sergey Kandaurov <pluknet@nginx.com> parents: 8445 diff changeset	1089 return NGX_DECLINED;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1090 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1091
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1092 pkt->flags ^= mask[0] & ngx_quic_pkt_hp_mask(pkt->flags);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1093
8643 5fdd0ef42232 QUIC: macros for manipulating header protection and reserved bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8642 diff changeset	1094 if (ngx_quic_short_pkt(pkt->flags)) {
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1095 key_phase = (pkt->flags & NGX_QUIC_PKT_KPHASE) != 0;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1096
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1097 if (key_phase != pkt->key_phase) {
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1098 secret = &pkt->keys->next_key.client;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1099 pkt->key_update = 1;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1100 }
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1101 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1102
8532 b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1103 lpn = *largest_pn;
b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1104
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1105 pnl = (pkt->flags & 0x03) + 1;
8532 b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1106 pn = ngx_quic_parse_pn(&p, pnl, &mask[1], &lpn);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1107
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1108 pkt->pn = pn;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1109
8287 ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	1110 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pkt->log, 0,
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1111 "quic packet rx clearflags:%xd", pkt->flags);
8287 ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	1112 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0,
8609 f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs. Vladimir Homutov <vl@nginx.com> parents: 8608 diff changeset	1113 "quic packet rx number:%uL len:%xi", pn, pnl);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1114
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1115 /* packet protection */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1116
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1117 in.data = p;
8558 0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len. Roman Arutyunyan <arut@nginx.com> parents: 8544 diff changeset	1118 in.len = len - pnl;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1119
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1120 ad.len = p - pkt->data;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	1121 ad.data = pkt->plaintext;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1122
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1123 ngx_memcpy(ad.data, pkt->data, ad.len);
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1124 ad.data[0] = pkt->flags;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1125
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1126 do {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1127 ad.data[ad.len - pnl] = pn >> (8 * (pnl - 1)) % 256;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1128 } while (--pnl);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1129
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1130 ngx_memcpy(nonce, secret->iv.data, secret->iv.len);
8310 7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	1131 ngx_quic_compute_nonce(nonce, sizeof(nonce), pn);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1132
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	1133 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	1134 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	1135 "quic ad len:%uz %xV", ad.len, &ad);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	1136 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1137
9126 29a6c0e11f75 QUIC: a new constant for AEAD tag length. Roman Arutyunyan <arut@nginx.com> parents: 9080 diff changeset	1138 pkt->payload.len = in.len - NGX_QUIC_TAG_LEN;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	1139 pkt->payload.data = pkt->plaintext + ad.len;
ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	1140
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	1141 if (ngx_quic_crypto_open(secret, &pkt->payload, nonce, &in, &ad, pkt->log)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	1142 != NGX_OK)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	1143 {
8446 df29219988bc Discard short packets which could not be decrypted. Sergey Kandaurov <pluknet@nginx.com> parents: 8445 diff changeset	1144 return NGX_DECLINED;
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1145 }
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1146
8646 4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1147 if (pkt->payload.len == 0) {
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1148 /*
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1149 * RFC 9000, 12.4. Frames and Frame Types
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1150 *
8646 4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1151 * An endpoint MUST treat receipt of a packet containing no
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1152 * frames as a connection error of type PROTOCOL_VIOLATION.
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1153 */
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1154 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic zero-length packet");
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1155 pkt->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1156 return NGX_ERROR;
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1157 }
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1158
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1159 if (pkt->flags & ngx_quic_pkt_rb_mask(pkt->flags)) {
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1160 /*
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1161 * RFC 9000, Reserved Bits
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1162 *
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1163 * An endpoint MUST treat receipt of a packet that has
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1164 * a non-zero value for these bits, after removing both
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1165 * packet and header protection, as a connection error
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1166 * of type PROTOCOL_VIOLATION.
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1167 */
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1168 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1169 "quic reserved bit set in packet");
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1170 pkt->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1171 return NGX_ERROR;
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1172 }
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1173
8646 4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1174 #if defined(NGX_QUIC_DEBUG_CRYPTO) && defined(NGX_QUIC_DEBUG_PACKETS)
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	1175 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	1176 "quic packet payload len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	1177 pkt->payload.len, &pkt->payload);
8646 4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1178 #endif
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1179
8532 b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1180 *largest_pn = lpn;
b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1181
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1182 return NGX_OK;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1183 }

Mercurial > hg > nginx

annotate src/event/quic/ngx_event_quic_protection.c @ 9172:4ccb0d973206