nginx: src/event/quic/ngx_event_quic

annotate src/event/quic/ngx_event_quic_protection.c @ 9173:904a54092d5b

QUIC: common code for crypto open and seal operations.

author	Sergey Kandaurov <pluknet@nginx.com>
date	Fri, 20 Oct 2023 18:05:07 +0400
parents	4ccb0d973206
children	31702c53d2db

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);
9173 904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	31 #ifndef OPENSSL_IS_BORINGSSL
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	32 static ngx_int_t ngx_quic_crypto_common(ngx_quic_secret_t s, ngx_str_t out,
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	33 u_char nonce, ngx_str_t in, ngx_str_t ad, ngx_log_t log);
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	34 #endif
9171 f98636db77ef QUIC: renamed protection functions. Sergey Kandaurov <pluknet@nginx.com> parents: 9168 diff changeset	35 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	36 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	37
8644 e953bd2c5bb3 QUIC: merged create_long/short_packet() functions. Sergey Kandaurov <pluknet@nginx.com> parents: 8643 diff changeset	38 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	39 ngx_str_t *res);
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	40 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	41 ngx_str_t *res);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	42
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	43
9080 7da4791e0264 QUIC: OpenSSL compatibility layer. Roman Arutyunyan <arut@nginx.com> parents: 9047 diff changeset	44 ngx_int_t
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	45 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	46 enum ssl_encryption_level_t level)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	47 {
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	48 ngx_int_t len;
8221 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 if (level == ssl_encryption_initial) {
9030 172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	51 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	52 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	53
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	54 switch (id) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	55
9030 172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	56 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	57 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	58 ciphers->c = EVP_aead_aes_128_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	59 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	60 ciphers->c = EVP_aes_128_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	61 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	62 ciphers->hp = EVP_aes_128_ctr();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	63 ciphers->d = EVP_sha256();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	64 len = 16;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	65 break;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	66
9030 172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	67 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	68 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	69 ciphers->c = EVP_aead_aes_256_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	70 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	71 ciphers->c = EVP_aes_256_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	72 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	73 ciphers->hp = EVP_aes_256_ctr();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	74 ciphers->d = EVP_sha384();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	75 len = 32;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	76 break;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	77
9030 172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	78 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	79 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	80 ciphers->c = EVP_aead_chacha20_poly1305();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	81 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	82 ciphers->c = EVP_chacha20_poly1305();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	83 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	84 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	85 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	86 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	87 ciphers->hp = EVP_chacha20();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	88 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	89 ciphers->d = EVP_sha256();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	90 len = 32;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	91 break;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	92
9128 756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	93 #ifndef OPENSSL_IS_BORINGSSL
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	94 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	95 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	96 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	97 ciphers->d = EVP_sha256();
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	98 len = 16;
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	99 break;
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	100 #endif
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	101
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	102 default:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	103 return NGX_ERROR;
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 return len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	107 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	108
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	109
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	110 ngx_int_t
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	111 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	112 ngx_log_t *log)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	113 {
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	114 size_t is_len;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	115 uint8_t is[SHA256_DIGEST_LENGTH];
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	116 ngx_str_t iss;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	117 ngx_uint_t i;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	118 const EVP_MD *digest;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	119 ngx_quic_hkdf_t seq[8];
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	120 ngx_quic_secret_t client, server;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	121 ngx_quic_ciphers_t ciphers;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	122
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	123 static const uint8_t salt[20] =
8678 3443ee341cc1 QUIC: draft-33 salt and retry keys. Sergey Kandaurov <pluknet@nginx.com> parents: 8673 diff changeset	124 "\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	125 "\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	126
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	127 client = &keys->secrets[ssl_encryption_initial].client;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	128 server = &keys->secrets[ssl_encryption_initial].server;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	129
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	130 /*
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	131 * RFC 9001, section 5. Packet Protection
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	132 *
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	133 * Initial packets use AEAD_AES_128_GCM. The hash function
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	134 * 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	135 */
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	136
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	137 digest = EVP_sha256();
8729 0f8565e0fc76 QUIC: HKDF API compatibility with OpenSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8716 diff changeset	138 is_len = SHA256_DIGEST_LENGTH;
8221 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 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	141 salt, sizeof(salt))
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	142 != NGX_OK)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	143 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	144 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	145 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	146
9040 8c0bccdf2743 QUIC: avoid using C99 designated initializers. Sergey Kandaurov <pluknet@nginx.com> parents: 9039 diff changeset	147 iss.len = is_len;
8c0bccdf2743 QUIC: avoid using C99 designated initializers. Sergey Kandaurov <pluknet@nginx.com> parents: 9039 diff changeset	148 iss.data = is;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	149
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	150 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, log, 0,
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8694 diff changeset	151 "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	152 #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	153 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	154 "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	155 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	156 "quic initial secret len:%uz %*xs", is_len, is_len, is);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	157 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	158
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	159 client->secret.len = SHA256_DIGEST_LENGTH;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	160 server->secret.len = SHA256_DIGEST_LENGTH;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	161
8800 e617d0ba387a QUIC: optimized initial secrets key length computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8799 diff changeset	162 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	163 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	164
8800 e617d0ba387a QUIC: optimized initial secrets key length computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8799 diff changeset	165 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	166 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	167
8799 ef8276c8ccff QUIC: consistent use of 12-byte buffers in nonce computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8798 diff changeset	168 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	169 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	170
9039 a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	171 /* 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	172 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	173 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	174 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	175 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	176 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	177 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	178 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	179 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	180
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	181 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	182 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	183 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	184 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	185 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	186
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	187 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	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, client, 0, log) == NGX_ERROR) {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	192 return NGX_ERROR;
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
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	195 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	196 goto failed;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	197 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	198
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	199 return NGX_OK;
9172 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 failed:
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	202
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	203 ngx_quic_keys_cleanup(keys);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	204
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	205 return NGX_ERROR;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	206 }
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
9080 7da4791e0264 QUIC: OpenSSL compatibility layer. Roman Arutyunyan <arut@nginx.com> parents: 9047 diff changeset	209 ngx_int_t
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	210 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	211 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	212 size_t info_len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	213 uint8_t *p;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	214 uint8_t info[20];
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	215
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	216 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	217
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	218 info[0] = 0;
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	219 info[1] = h->out_len;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	220 info[2] = h->label_len;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	221
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	222 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	223 *p = '\0';
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	224
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	225 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	226 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	227 != NGX_OK)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	228 {
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	229 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	230 "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	231 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	232 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	233
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	234 #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	235 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	236 "quic expand \"%s\" len:%uz %xs",
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	237 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	238 #endif
8221 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 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	241 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	242
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 static ngx_int_t
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	245 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	246 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	247 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	248 #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	249
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	250 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	251 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	252 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	253 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	254 }
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	255
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	256 return NGX_OK;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	257
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	258 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	259
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	260 EVP_PKEY_CTX *pctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	261
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	262 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	263 if (pctx == NULL) {
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	264 return NGX_ERROR;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	265 }
8221 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_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	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_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	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_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	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_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	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_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	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
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	287 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	288 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	289 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	290
8739 c0cd180308e4 QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand(). Sergey Kandaurov <pluknet@nginx.com> parents: 8729 diff changeset	291 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	292
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	293 return NGX_OK;
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 failed:
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	296
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	297 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	298
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	299 return NGX_ERROR;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	300
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	301 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	302 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	303
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	304
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	305 static ngx_int_t
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	306 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	307 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	308 size_t salt_len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	309 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	310 #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	311
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	312 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	313 salt_len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	314 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	315 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	316 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	317 }
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	318
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	319 return NGX_OK;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	320
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	321 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	322
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	323 EVP_PKEY_CTX *pctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	324
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	325 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	326 if (pctx == NULL) {
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	327 return NGX_ERROR;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	328 }
8221 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_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	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_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	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_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	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_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	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_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	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
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	350 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	351 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	352 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	353
8739 c0cd180308e4 QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand(). Sergey Kandaurov <pluknet@nginx.com> parents: 8729 diff changeset	354 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	355
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	356 return NGX_OK;
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 failed:
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	359
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	360 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	361
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	362 return NGX_ERROR;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	363
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	364 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	365 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	366
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	367
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	368 ngx_int_t
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	369 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	370 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	371 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	372
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	373 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	374 EVP_AEAD_CTX *ctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	375
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	376 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	377 EVP_AEAD_DEFAULT_TAG_LENGTH);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	378 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	379 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	380 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	381 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	382 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	383 EVP_CIPHER_CTX *ctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	384
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	385 ctx = EVP_CIPHER_CTX_new();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	386 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	387 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	388 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	389 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	390
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	391 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	392 EVP_CIPHER_CTX_free(ctx);
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	393 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	394 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	395 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	396
9128 756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	397 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	398 && 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	399 NULL)
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	400 == 0)
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	401 {
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	402 EVP_CIPHER_CTX_free(ctx);
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	403 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	404 "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	405 return NGX_ERROR;
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	406 }
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	407
9127 a7b850a5d98d QUIC: common cipher control constants instead of GCM-related. Roman Arutyunyan <arut@nginx.com> parents: 9126 diff changeset	408 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	409 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	410 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	411 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	412 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	413 "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	414 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	415 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	416
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	417 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	418 EVP_CIPHER_CTX_free(ctx);
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	419 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	420 return NGX_ERROR;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	421 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	422 #endif
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 s->ctx = ctx;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	425 return NGX_OK;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	426 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	427
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 static ngx_int_t
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	430 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	431 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	432 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	433 #ifdef OPENSSL_IS_BORINGSSL
9173 904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	434 if (EVP_AEAD_CTX_open(s->ctx, out->data, &out->len, out->len, nonce,
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	435 s->iv.len, in->data, in->len, ad->data, ad->len)
9172 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
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	442 return NGX_OK;
9173 904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	443 #else
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	444 return ngx_quic_crypto_common(s, out, nonce, in, ad, log);
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	445 #endif
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	446 }
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 ngx_int_t
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	450 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	451 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	452 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	453 #ifdef OPENSSL_IS_BORINGSSL
9173 904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	454 if (EVP_AEAD_CTX_seal(s->ctx, out->data, &out->len, out->len, nonce,
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	455 s->iv.len, in->data, in->len, ad->data, ad->len)
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	456 != 1)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	457 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	458 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	459 return NGX_ERROR;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	460 }
9173 904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	461
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	462 return NGX_OK;
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	463 #else
9173 904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	464 return ngx_quic_crypto_common(s, out, nonce, in, ad, log);
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	465 #endif
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	466 }
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	467
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	468
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	469 #ifndef OPENSSL_IS_BORINGSSL
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	470
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	471 static ngx_int_t
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	472 ngx_quic_crypto_common(ngx_quic_secret_t s, ngx_str_t out, u_char *nonce,
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	473 ngx_str_t in, ngx_str_t ad, ngx_log_t *log)
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	474 {
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	475 int len, enc;
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	476 ngx_quic_crypto_ctx_t *ctx;
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	477
9173 904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	478 ctx = s->ctx;
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	479 enc = EVP_CIPHER_CTX_encrypting(ctx);
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	480
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	481 if (EVP_CipherInit_ex(ctx, NULL, NULL, NULL, nonce, enc) != 1) {
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	482 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	483 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	484 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	485
9173 904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	486 if (enc == 0) {
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	487 in->len -= NGX_QUIC_TAG_LEN;
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	488
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	489 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG, NGX_QUIC_TAG_LEN,
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	490 in->data + in->len)
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	491 == 0)
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	492 {
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	493 ngx_ssl_error(NGX_LOG_INFO, log, 0,
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	494 "EVP_CIPHER_CTX_ctrl(EVP_CTRL_AEAD_SET_TAG) failed");
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	495 return NGX_ERROR;
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	496 }
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	497 }
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	498
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	499 if (EVP_CIPHER_mode(EVP_CIPHER_CTX_cipher(ctx)) == EVP_CIPH_CCM_MODE
9173 904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	500 && EVP_CipherUpdate(ctx, NULL, &len, NULL, in->len) != 1)
9128 756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	501 {
9173 904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	502 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_CipherUpdate() failed");
9128 756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	503 return NGX_ERROR;
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	504 }
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	505
9173 904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	506 if (EVP_CipherUpdate(ctx, NULL, &len, ad->data, ad->len) != 1) {
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	507 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_CipherUpdate() failed");
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	508 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	509 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	510
9173 904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	511 if (EVP_CipherUpdate(ctx, out->data, &len, in->data, in->len) != 1) {
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	512 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_CipherUpdate() failed");
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	513 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	514 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	515
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	516 out->len = len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	517
9173 904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	518 if (EVP_CipherFinal_ex(ctx, out->data + out->len, &len) <= 0) {
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	519 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_CipherFinal_ex failed");
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	520 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	521 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	522
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	523 out->len += len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	524
9173 904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	525 if (enc == 1) {
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	526 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG, NGX_QUIC_TAG_LEN,
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	527 out->data + out->len)
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	528 == 0)
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	529 {
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	530 ngx_ssl_error(NGX_LOG_INFO, log, 0,
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	531 "EVP_CIPHER_CTX_ctrl(EVP_CTRL_AEAD_GET_TAG) failed");
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	532 return NGX_ERROR;
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	533 }
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	534
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	535 out->len += NGX_QUIC_TAG_LEN;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	536 }
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 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	539 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	540
9173 904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	541 #endif
904a54092d5b QUIC: common code for crypto open and seal operations. Sergey Kandaurov <pluknet@nginx.com> parents: 9172 diff changeset	542
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	543
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	544 void
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	545 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	546 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	547 if (s->ctx) {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	548 #ifdef OPENSSL_IS_BORINGSSL
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	549 EVP_AEAD_CTX_free(s->ctx);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	550 #else
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	551 EVP_CIPHER_CTX_free(s->ctx);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	552 #endif
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	553 s->ctx = NULL;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	554 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	555 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	556
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	557
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	558 static ngx_int_t
9171 f98636db77ef QUIC: renamed protection functions. Sergey Kandaurov <pluknet@nginx.com> parents: 9168 diff changeset	559 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	560 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	561 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	562 int outlen;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	563 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	564 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	565
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	566 #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	567 uint32_t cnt;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	568
8798 fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	569 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	570
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	571 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	572 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	573 return NGX_OK;
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 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	576
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	577 ctx = EVP_CIPHER_CTX_new();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	578 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	579 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	580 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	581
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	582 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	583 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	584 goto failed;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	585 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	586
8798 fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	587 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	588 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	589 goto failed;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	590 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	591
8798 fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	592 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	593 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	594 goto failed;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	595 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	596
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	597 EVP_CIPHER_CTX_free(ctx);
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 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	600
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	601 failed:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	602
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	603 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	604
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	605 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	606 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	607
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	608
8926 3341e4089c6c QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes. Sergey Kandaurov <pluknet@nginx.com> parents: 8894 diff changeset	609 ngx_int_t
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	610 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	611 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	612 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	613 {
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	614 ngx_int_t key_len;
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	615 ngx_str_t secret_str;
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	616 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	617 ngx_quic_hkdf_t seq[3];
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	618 ngx_quic_secret_t *peer_secret;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	619 ngx_quic_ciphers_t ciphers;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	620
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	621 peer_secret = is_write ? &keys->secrets[level].server
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	622 : &keys->secrets[level].client;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	623
9030 172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	624 keys->cipher = SSL_CIPHER_get_id(cipher);
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	625
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	626 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	627
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	628 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	629 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	630 return NGX_ERROR;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	631 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	632
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	633 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	634 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	635 "unexpected secret len: %uz", secret_len);
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	636 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	637 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	638
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	639 peer_secret->secret.len = secret_len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	640 ngx_memcpy(peer_secret->secret.data, secret, secret_len);
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	641
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	642 peer_secret->key.len = key_len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	643 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	644 peer_secret->hp.len = key_len;
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 secret_str.len = secret_len;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	647 secret_str.data = (u_char *) secret;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	648
9039 a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	649 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	650 &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	651 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	652 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	653
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	654 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	655 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	656 return NGX_ERROR;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	657 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	658 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	659
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	660 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	661 == NGX_ERROR)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	662 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	663 return NGX_ERROR;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	664 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	665
8926 3341e4089c6c QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes. Sergey Kandaurov <pluknet@nginx.com> parents: 8894 diff changeset	666 return NGX_OK;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	667 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	668
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	669
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	670 ngx_uint_t
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	671 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	672 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	673 {
9168 ff98ae7d261e QUIC: split keys availability checks to read and write sides. Sergey Kandaurov <pluknet@nginx.com> parents: 9152 diff changeset	674 if (is_write == 0) {
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	675 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	676 }
ff98ae7d261e QUIC: split keys availability checks to read and write sides. Sergey Kandaurov <pluknet@nginx.com> parents: 9152 diff changeset	677
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	678 return keys->secrets[level].server.ctx != NULL;
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	679 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	680
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	681
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	682 void
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	683 ngx_quic_keys_discard(ngx_quic_keys_t *keys,
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8694 diff changeset	684 enum ssl_encryption_level_t level)
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	685 {
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	686 ngx_quic_secret_t client, server;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	687
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	688 client = &keys->secrets[level].client;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	689 server = &keys->secrets[level].server;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	690
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	691 ngx_quic_crypto_cleanup(client);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	692 ngx_quic_crypto_cleanup(server);
8621 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
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	696 void
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	697 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	698 {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	699 ngx_quic_secrets_t current, next, tmp;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	700
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	701 current = &keys->secrets[ssl_encryption_application];
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	702 next = &keys->next_key;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	703
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	704 ngx_quic_crypto_cleanup(&current->client);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	705 ngx_quic_crypto_cleanup(&current->server);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	706
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	707 tmp = *current;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	708 current = next;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	709 *next = tmp;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	710 }
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
9152 2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	713 void
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	714 ngx_quic_keys_update(ngx_event_t *ev)
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	715 {
9152 2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	716 ngx_uint_t i;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	717 ngx_quic_hkdf_t seq[6];
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	718 ngx_quic_keys_t *keys;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	719 ngx_connection_t *c;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	720 ngx_quic_ciphers_t ciphers;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	721 ngx_quic_secrets_t current, next;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	722 ngx_quic_connection_t *qc;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	723
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	724 c = ev->data;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	725 qc = ngx_quic_get_connection(c);
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	726 keys = qc->keys;
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	727
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	728 current = &keys->secrets[ssl_encryption_application];
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	729 next = &keys->next_key;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	730
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	731 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	732
9152 2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	733 c->log->action = "updating keys";
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	734
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	735 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	736 == NGX_ERROR)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	737 {
9152 2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	738 goto failed;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	739 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	740
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	741 next->client.secret.len = current->client.secret.len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	742 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	743 next->client.iv.len = NGX_QUIC_IV_LEN;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	744 next->client.hp = current->client.hp;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	745
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	746 next->server.secret.len = current->server.secret.len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	747 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	748 next->server.iv.len = NGX_QUIC_IV_LEN;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	749 next->server.hp = current->server.hp;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	750
9039 a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	751 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	752 &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	753 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	754 &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	755 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	756 &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	757 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	758 &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	759 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	760 &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	761 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	762 &next->server.iv, &next->server.secret);
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	763
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	764 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	765 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	766 goto failed;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	767 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	768 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	769
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	770 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	771 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	772 goto failed;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	773 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	774
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	775 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	776 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	777 goto failed;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	778 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	779
9152 2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	780 return;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	781
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	782 failed:
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	783
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9131 diff changeset	784 ngx_quic_close_connection(c, NGX_ERROR);
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	785 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	786
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	787
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	788 void
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	789 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	790 {
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	791 ngx_uint_t i;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	792 ngx_quic_secrets_t *next;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	793
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	794 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	795 ngx_quic_keys_discard(keys, i);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	796 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	797
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	798 next = &keys->next_key;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	799
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	800 ngx_quic_crypto_cleanup(&next->client);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	801 ngx_quic_crypto_cleanup(&next->server);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	802 }
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
8376 2d0f4aa78ed6 Restored ngx_quic_encrypt return type. Sergey Kandaurov <pluknet@nginx.com> parents: 8375 diff changeset	805 static ngx_int_t
8644 e953bd2c5bb3 QUIC: merged create_long/short_packet() functions. Sergey Kandaurov <pluknet@nginx.com> parents: 8643 diff changeset	806 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	807 {
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	808 u_char pnp, sample;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	809 ngx_str_t ad, out;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	810 ngx_uint_t i;
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	811 ngx_quic_secret_t *secret;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	812 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	813 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	814
8894 de7b9af30fc6 QUIC: refactored packet creation. Vladimir Homutov <vl@nginx.com> parents: 8888 diff changeset	815 ad.data = res->data;
de7b9af30fc6 QUIC: refactored packet creation. Vladimir Homutov <vl@nginx.com> parents: 8888 diff changeset	816 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	817
9126 29a6c0e11f75 QUIC: a new constant for AEAD tag length. Roman Arutyunyan <arut@nginx.com> parents: 9080 diff changeset	818 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	819 out.data = res->data + ad.len;
1bb5e8538d0c Removed excessive debugging in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8317 diff changeset	820
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	821 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	822 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	823 "quic ad len:%uz %xV", ad.len, &ad);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	824 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	825
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	826 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	827 {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	828 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	829 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	830
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	831 secret = &pkt->keys->secrets[pkt->level].server;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	832
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	833 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	834 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	835
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	836 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	837 != NGX_OK)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	838 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	839 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	840 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	841
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	842 sample = &out.data[4 - pkt->num_len];
9171 f98636db77ef QUIC: renamed protection functions. Sergey Kandaurov <pluknet@nginx.com> parents: 9168 diff changeset	843 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	844 != NGX_OK)
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	845 {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	846 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	847 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	848
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	849 /* 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	850 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	851
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	852 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	853 pnp[i] ^= mask[i + 1];
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	854 }
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	855
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	856 res->len = ad.len + out.len;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	857
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	858 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	859 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	860
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	861
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	862 static ngx_int_t
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	863 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	864 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	865 u_char *start;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	866 ngx_str_t ad, itag;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	867 ngx_quic_secret_t secret;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	868 ngx_quic_ciphers_t ciphers;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	869
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	870 /* 5.8. Retry Packet Integrity */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	871 static u_char key[16] =
8678 3443ee341cc1 QUIC: draft-33 salt and retry keys. Sergey Kandaurov <pluknet@nginx.com> parents: 8673 diff changeset	872 "\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	873 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	874 "\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	875 static ngx_str_t in = ngx_string("");
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	876
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	877 ad.data = res->data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	878 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	879
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	880 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	881 itag.len = NGX_QUIC_TAG_LEN;
8383 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 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	884 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	885 "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	886 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	887
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	888 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	889 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	890 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	891
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	892 secret.key.len = sizeof(key);
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	893 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	894 secret.iv.len = NGX_QUIC_IV_LEN;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	895
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	896 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	897 return NGX_ERROR;
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	898 }
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	899
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	900 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	901 != NGX_OK)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	902 {
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	903 ngx_quic_crypto_cleanup(&secret);
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	904 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	905 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	906
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	907 ngx_quic_crypto_cleanup(&secret);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	908
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	909 res->len = itag.data + itag.len - start;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	910 res->data = start;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	911
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	912 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	913 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	914
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	915
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	916 ngx_int_t
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	917 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	918 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	919 {
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	920 size_t is_len, info_len;
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	921 uint8_t *p;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	922 const EVP_MD *digest;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	923
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	924 uint8_t is[SHA256_DIGEST_LENGTH];
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	925 uint8_t info[20];
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	926
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	927 digest = EVP_sha256();
8729 0f8565e0fc76 QUIC: HKDF API compatibility with OpenSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8716 diff changeset	928 is_len = SHA256_DIGEST_LENGTH;
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	929
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	930 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	931 salt->data, salt->len)
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8694 diff changeset	932 != NGX_OK)
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	933 {
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	934 ngx_ssl_error(NGX_LOG_INFO, log, 0,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	935 "ngx_hkdf_extract(%s) failed", label);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	936 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	937 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	938
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	939 info[0] = 0;
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	940 info[1] = len;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	941 info[2] = ngx_strlen(label);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	942
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	943 info_len = 2 + 1 + info[2] + 1;
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	944
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	945 if (info_len >= 20) {
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	946 ngx_log_error(NGX_LOG_INFO, log, 0,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	947 "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	948 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	949 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	950
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	951 p = ngx_cpymem(&info[3], label, info[2]);
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	952 *p = '\0';
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	953
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	954 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	955 {
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	956 ngx_ssl_error(NGX_LOG_INFO, log, 0,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	957 "ngx_hkdf_expand(%s) failed", label);
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	958 return NGX_ERROR;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	959 }
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	960
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	961 return NGX_OK;
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
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	964
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	965 static uint64_t
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	966 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	967 uint64_t *largest_pn)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	968 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	969 u_char *p;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	970 uint64_t truncated_pn, expected_pn, candidate_pn;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	971 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	972
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	973 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	974
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	975 p = *pos;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	976 truncated_pn = p++ ^ mask++;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	977
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	978 while (--len) {
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	979 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	980 }
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 *pos = p;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	983
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	984 expected_pn = *largest_pn + 1;
8394 df18ae7161b8 Assorted fixes. Sergey Kandaurov <pluknet@nginx.com> parents: 8386 diff changeset	985 pn_win = 1ULL << pn_nbits;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	986 pn_hwin = pn_win / 2;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	987 pn_mask = pn_win - 1;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	988
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	989 candidate_pn = (expected_pn & ~pn_mask) \| truncated_pn;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	990
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	991 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	992 && candidate_pn < (1ULL << 62) - pn_win)
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	993 {
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	994 candidate_pn += pn_win;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	995
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	996 } else if (candidate_pn > expected_pn + pn_hwin
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	997 && candidate_pn >= pn_win)
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	998 {
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	999 candidate_pn -= pn_win;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1000 }
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 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	1003
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1004 return candidate_pn;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1005 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1006
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1007
9080 7da4791e0264 QUIC: OpenSSL compatibility layer. Roman Arutyunyan <arut@nginx.com> parents: 9047 diff changeset	1008 void
8310 7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	1009 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	1010 {
9047 70ce1e927715 QUIC: fixed computation of nonce with packet numbers beyond 2^32. Sergey Kandaurov <pluknet@nginx.com> parents: 9041 diff changeset	1011 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	1012 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	1013 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	1014 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	1015 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	1016 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	1017 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	1018 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	1019 }
7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	1020
7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	1021
8376 2d0f4aa78ed6 Restored ngx_quic_encrypt return type. Sergey Kandaurov <pluknet@nginx.com> parents: 8375 diff changeset	1022 ngx_int_t
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1023 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	1024 {
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	1025 if (ngx_quic_pkt_retry(pkt->flags)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	1026 return ngx_quic_create_retry_packet(pkt, res);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	1027 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	1028
8644 e953bd2c5bb3 QUIC: merged create_long/short_packet() functions. Sergey Kandaurov <pluknet@nginx.com> parents: 8643 diff changeset	1029 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	1030 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1031
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1032
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1033 ngx_int_t
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1034 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	1035 {
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1036 u_char p, sample;
8558 0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len. Roman Arutyunyan <arut@nginx.com> parents: 8544 diff changeset	1037 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	1038 uint64_t pn, lpn;
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	1039 ngx_int_t pnl;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1040 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	1041 ngx_uint_t key_phase;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1042 ngx_quic_secret_t *secret;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1043 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	1044 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	1045
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1046 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	1047 {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1048 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1049 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1050
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1051 secret = &pkt->keys->secrets[pkt->level].client;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1052
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1053 p = pkt->raw->pos;
8558 0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len. Roman Arutyunyan <arut@nginx.com> parents: 8544 diff changeset	1054 len = pkt->data + pkt->len - p;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1055
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1056 /*
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1057 * RFC 9001, 5.4.2. Header Protection Sample
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1058 * 5.4.3. AES-Based Header Protection
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1059 * 5.4.4. ChaCha20-Based Header Protection
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1060 *
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1061 * 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	1062 * 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	1063 */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1064
9126 29a6c0e11f75 QUIC: a new constant for AEAD tag length. Roman Arutyunyan <arut@nginx.com> parents: 9080 diff changeset	1065 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	1066 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	1067 }
9aedab0f0dff QUIC: check that the packet length is of at least sample size. Sergey Kandaurov <pluknet@nginx.com> parents: 8542 diff changeset	1068
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1069 sample = p + 4;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1070
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1071 /* header protection */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1072
9171 f98636db77ef QUIC: renamed protection functions. Sergey Kandaurov <pluknet@nginx.com> parents: 9168 diff changeset	1073 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	1074 != NGX_OK)
ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	1075 {
8446 df29219988bc Discard short packets which could not be decrypted. Sergey Kandaurov <pluknet@nginx.com> parents: 8445 diff changeset	1076 return NGX_DECLINED;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1077 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1078
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1079 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	1080
8643 5fdd0ef42232 QUIC: macros for manipulating header protection and reserved bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8642 diff changeset	1081 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	1082 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	1083
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1084 if (key_phase != pkt->key_phase) {
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1085 secret = &pkt->keys->next_key.client;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1086 pkt->key_update = 1;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1087 }
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1088 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1089
8532 b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1090 lpn = *largest_pn;
b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1091
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1092 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	1093 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	1094
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1095 pkt->pn = pn;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1096
8287 ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	1097 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	1098 "quic packet rx clearflags:%xd", pkt->flags);
8287 ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	1099 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	1100 "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	1101
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1102 /* packet protection */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1103
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1104 in.data = p;
8558 0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len. Roman Arutyunyan <arut@nginx.com> parents: 8544 diff changeset	1105 in.len = len - pnl;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1106
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1107 ad.len = p - pkt->data;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	1108 ad.data = pkt->plaintext;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1109
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1110 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	1111 ad.data[0] = pkt->flags;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1112
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1113 do {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1114 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	1115 } while (--pnl);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1116
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1117 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	1118 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	1119
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	1120 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	1121 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	1122 "quic ad len:%uz %xV", ad.len, &ad);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	1123 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1124
9126 29a6c0e11f75 QUIC: a new constant for AEAD tag length. Roman Arutyunyan <arut@nginx.com> parents: 9080 diff changeset	1125 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	1126 pkt->payload.data = pkt->plaintext + ad.len;
ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	1127
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	1128 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	1129 != NGX_OK)
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9171 diff changeset	1130 {
8446 df29219988bc Discard short packets which could not be decrypted. Sergey Kandaurov <pluknet@nginx.com> parents: 8445 diff changeset	1131 return NGX_DECLINED;
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1132 }
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1133
8646 4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1134 if (pkt->payload.len == 0) {
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1135 /*
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1136 * RFC 9000, 12.4. Frames and Frame Types
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1137 *
8646 4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1138 * 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	1139 * 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	1140 */
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1141 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	1142 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	1143 return NGX_ERROR;
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1144 }
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1145
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1146 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	1147 /*
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1148 * RFC 9000, Reserved Bits
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1149 *
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1150 * 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	1151 * 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	1152 * 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	1153 * of type PROTOCOL_VIOLATION.
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1154 */
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1155 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	1156 "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	1157 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	1158 return NGX_ERROR;
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1159 }
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1160
8646 4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1161 #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	1162 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	1163 "quic packet payload len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	1164 pkt->payload.len, &pkt->payload);
8646 4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1165 #endif
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1166
8532 b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1167 *largest_pn = lpn;
b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1168
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1169 return NGX_OK;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1170 }

Mercurial > hg > nginx

annotate src/event/quic/ngx_event_quic_protection.c @ 9173:904a54092d5b