nginx: src/event/quic/ngx_event_quic

annotate src/event/quic/ngx_event_quic_protection.c @ 9131:f73dfa6c0696

QUIC: removed TLS1_3_CK_* macros wrap up. They were preserved in 172705615d04 to ease transition from older BoringSSL.

author	Sergey Kandaurov <pluknet@nginx.com>
date	Fri, 16 Jun 2023 17:13:29 +0400
parents	0f23488a9f5a
children	2880f60a80c3

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

Mercurial > hg > nginx

annotate src/event/quic/ngx_event_quic_protection.c @ 9131:f73dfa6c0696