nginx: src/event/quic/ngx_event_quic

annotate src/event/quic/ngx_event_quic_protection.c @ 9130:0f23488a9f5a

QUIC: style.

author	Sergey Kandaurov <pluknet@nginx.com>
date	Tue, 20 Jun 2023 17:59:02 +0400
parents	7379cb29cd72
children	f73dfa6c0696

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
9030 172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	18 #ifndef TLS1_3_CK_AES_128_GCM_SHA256
172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	19 #define TLS1_3_CK_AES_128_GCM_SHA256 0x03001301
172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	20 #define TLS1_3_CK_AES_256_GCM_SHA384 0x03001302
172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	21 #define TLS1_3_CK_CHACHA20_POLY1305_SHA256 \
172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	22 0x03001303
172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	23 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	24
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	25
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	26 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	27 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	28 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	29 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	30 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	31 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	32
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	33 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	34 uint64_t *largest_pn);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	35
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	36 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	37 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	38 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	39 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	40 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	41
8644 e953bd2c5bb3 QUIC: merged create_long/short_packet() functions. Sergey Kandaurov <pluknet@nginx.com> parents: 8643 diff changeset	42 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	43 ngx_str_t *res);
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	44 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	45 ngx_str_t *res);
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
9080 7da4791e0264 QUIC: OpenSSL compatibility layer. Roman Arutyunyan <arut@nginx.com> parents: 9047 diff changeset	48 ngx_int_t
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	49 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	50 enum ssl_encryption_level_t level)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	51 {
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	52 ngx_int_t len;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	53
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	54 if (level == ssl_encryption_initial) {
9030 172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	55 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	56 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	57
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	58 switch (id) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	59
9030 172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	60 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	61 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	62 ciphers->c = EVP_aead_aes_128_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	63 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	64 ciphers->c = EVP_aes_128_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	65 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	66 ciphers->hp = EVP_aes_128_ctr();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	67 ciphers->d = EVP_sha256();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	68 len = 16;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	69 break;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	70
9030 172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	71 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	72 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	73 ciphers->c = EVP_aead_aes_256_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	74 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	75 ciphers->c = EVP_aes_256_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	76 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	77 ciphers->hp = EVP_aes_256_ctr();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	78 ciphers->d = EVP_sha384();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	79 len = 32;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	80 break;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	81
9030 172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	82 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	83 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	84 ciphers->c = EVP_aead_chacha20_poly1305();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	85 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	86 ciphers->c = EVP_chacha20_poly1305();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	87 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	88 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	89 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	90 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	91 ciphers->hp = EVP_chacha20();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	92 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	93 ciphers->d = EVP_sha256();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	94 len = 32;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	95 break;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	96
9128 756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	97 #ifndef OPENSSL_IS_BORINGSSL
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	98 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	99 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	100 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	101 ciphers->d = EVP_sha256();
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	102 len = 16;
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	103 break;
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	104 #endif
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	105
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	106 default:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	107 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	108 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	109
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	110 return len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	111 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	112
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	113
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	114 ngx_int_t
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	115 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	116 ngx_log_t *log)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	117 {
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	118 size_t is_len;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	119 uint8_t is[SHA256_DIGEST_LENGTH];
9040 8c0bccdf2743 QUIC: avoid using C99 designated initializers. Sergey Kandaurov <pluknet@nginx.com> parents: 9039 diff changeset	120 ngx_str_t iss;
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	121 ngx_uint_t i;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	122 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	123 ngx_quic_hkdf_t seq[8];
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	124 ngx_quic_secret_t client, server;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	125
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	126 static const uint8_t salt[20] =
8678 3443ee341cc1 QUIC: draft-33 salt and retry keys. Sergey Kandaurov <pluknet@nginx.com> parents: 8673 diff changeset	127 "\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	128 "\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	129
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	130 client = &keys->secrets[ssl_encryption_initial].client;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	131 server = &keys->secrets[ssl_encryption_initial].server;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	132
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	133 /*
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	134 * RFC 9001, section 5. Packet Protection
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	135 *
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	136 * Initial packets use AEAD_AES_128_GCM. The hash function
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	137 * 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	138 */
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	139
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	140 digest = EVP_sha256();
8729 0f8565e0fc76 QUIC: HKDF API compatibility with OpenSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8716 diff changeset	141 is_len = SHA256_DIGEST_LENGTH;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	142
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	143 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	144 salt, sizeof(salt))
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	145 != NGX_OK)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	146 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	147 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	148 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	149
9040 8c0bccdf2743 QUIC: avoid using C99 designated initializers. Sergey Kandaurov <pluknet@nginx.com> parents: 9039 diff changeset	150 iss.len = is_len;
8c0bccdf2743 QUIC: avoid using C99 designated initializers. Sergey Kandaurov <pluknet@nginx.com> parents: 9039 diff changeset	151 iss.data = is;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	152
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	153 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, log, 0,
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8694 diff changeset	154 "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	155 #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	156 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	157 "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	158 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	159 "quic initial secret len:%uz %*xs", is_len, is_len, is);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	160 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	161
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	162 client->secret.len = SHA256_DIGEST_LENGTH;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	163 server->secret.len = SHA256_DIGEST_LENGTH;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	164
8800 e617d0ba387a QUIC: optimized initial secrets key length computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8799 diff changeset	165 client->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	166 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	167
8800 e617d0ba387a QUIC: optimized initial secrets key length computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8799 diff changeset	168 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	169 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	170
8799 ef8276c8ccff QUIC: consistent use of 12-byte buffers in nonce computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8798 diff changeset	171 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	172 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	173
9039 a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	174 /* 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	175 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	176 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	177 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	178 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	179 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	180 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	181 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	182 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	183
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	184 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	185 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	186 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	187 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	188 }
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 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	191 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	192
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	193
9080 7da4791e0264 QUIC: OpenSSL compatibility layer. Roman Arutyunyan <arut@nginx.com> parents: 9047 diff changeset	194 ngx_int_t
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	195 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	196 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	197 size_t info_len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	198 uint8_t *p;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	199 uint8_t info[20];
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	200
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	201 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	202
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	203 info[0] = 0;
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	204 info[1] = h->out_len;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	205 info[2] = h->label_len;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	206
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	207 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	208 *p = '\0';
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	209
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	210 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	211 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	212 != NGX_OK)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	213 {
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	214 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	215 "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	216 return NGX_ERROR;
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
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	219 #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	220 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	221 "quic expand \"%s\" len:%uz %xs",
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	222 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	223 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	224
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	225 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	226 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	227
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	228
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	229 static ngx_int_t
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	230 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	231 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	232 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	233 #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	234
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	235 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	236 == 0)
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 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	239 }
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	240
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	241 return NGX_OK;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	242
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	243 #else
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 EVP_PKEY_CTX *pctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	246
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	247 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	248 if (pctx == NULL) {
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	249 return NGX_ERROR;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	250 }
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 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	253 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	254 }
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 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	257 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	258 }
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 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	261 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	262 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	263
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	264 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	265 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	266 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	267
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	268 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	269 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	270 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	271
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	272 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	273 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	274 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	275
8739 c0cd180308e4 QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand(). Sergey Kandaurov <pluknet@nginx.com> parents: 8729 diff changeset	276 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	277
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	278 return NGX_OK;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	279
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	280 failed:
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	281
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	282 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	283
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	284 return NGX_ERROR;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	285
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	286 #endif
8221 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
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	289
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	290 static ngx_int_t
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	291 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	292 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	293 size_t salt_len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	294 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	295 #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	296
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	297 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	298 salt_len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	299 == 0)
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 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	302 }
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	303
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	304 return NGX_OK;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	305
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	306 #else
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 EVP_PKEY_CTX *pctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	309
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	310 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	311 if (pctx == NULL) {
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	312 return NGX_ERROR;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	313 }
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 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	316 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	317 }
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 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	320 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	321 }
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 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	324 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	325 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	326
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	327 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	328 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	329 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	330
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	331 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	332 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	333 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	334
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	335 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	336 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	337 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	338
8739 c0cd180308e4 QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand(). Sergey Kandaurov <pluknet@nginx.com> parents: 8729 diff changeset	339 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	340
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	341 return NGX_OK;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	342
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	343 failed:
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	344
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	345 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	346
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	347 return NGX_ERROR;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	348
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	349 #endif
8221 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
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	352
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	353 static ngx_int_t
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	354 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	355 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	356 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	357
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	358 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	359 EVP_AEAD_CTX *ctx;
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 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	362 EVP_AEAD_DEFAULT_TAG_LENGTH);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	363 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	364 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	365 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	366 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	367
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	368 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	369 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	370 != 1)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	371 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	372 EVP_AEAD_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	373 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	374 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	375 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	376
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	377 EVP_AEAD_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	378 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	379 int len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	380 EVP_CIPHER_CTX *ctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	381
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	382 ctx = EVP_CIPHER_CTX_new();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	383 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	384 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	385 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	386 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	387
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	388 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	389 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	390 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	391 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	392 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	393
9129 7379cb29cd72 QUIC: unified ngx_quic_tls_open() and ngx_quic_tls_seal(). Sergey Kandaurov <pluknet@nginx.com> parents: 9128 diff changeset	394 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	395
9129 7379cb29cd72 QUIC: unified ngx_quic_tls_open() and ngx_quic_tls_seal(). Sergey Kandaurov <pluknet@nginx.com> parents: 9128 diff changeset	396 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	397 in->data + in->len)
9128 756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	398 == 0)
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	399 {
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	400 EVP_CIPHER_CTX_free(ctx);
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	401 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	402 "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	403 return NGX_ERROR;
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	404 }
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	405
9127 a7b850a5d98d QUIC: common cipher control constants instead of GCM-related. Roman Arutyunyan <arut@nginx.com> parents: 9126 diff changeset	406 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	407 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	408 {
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,
9127 a7b850a5d98d QUIC: common cipher control constants instead of GCM-related. Roman Arutyunyan <arut@nginx.com> parents: 9126 diff changeset	411 "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	412 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	413 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	414
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	415 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	416 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	417 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	418 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	419 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	420
9128 756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	421 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	422 && 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	423 {
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	424 EVP_CIPHER_CTX_free(ctx);
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	425 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	426 return NGX_ERROR;
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	427 }
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	428
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	429 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	430 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	431 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	432 return NGX_ERROR;
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
9129 7379cb29cd72 QUIC: unified ngx_quic_tls_open() and ngx_quic_tls_seal(). Sergey Kandaurov <pluknet@nginx.com> parents: 9128 diff changeset	435 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	436 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	437 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	438 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	439 }
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 out->len = len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	442
9129 7379cb29cd72 QUIC: unified ngx_quic_tls_open() and ngx_quic_tls_seal(). Sergey Kandaurov <pluknet@nginx.com> parents: 9128 diff changeset	443 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	444 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	445 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	446 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	447 }
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 out->len += len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	450
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	451 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	452 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	453
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	454 return NGX_OK;
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
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	457
9080 7da4791e0264 QUIC: OpenSSL compatibility layer. Roman Arutyunyan <arut@nginx.com> parents: 9047 diff changeset	458 ngx_int_t
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	459 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	460 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	461 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	462
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	463 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	464 EVP_AEAD_CTX *ctx;
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 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	467 EVP_AEAD_DEFAULT_TAG_LENGTH);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	468 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	469 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	470 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	471 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	472
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	473 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	474 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	475 != 1)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	476 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	477 EVP_AEAD_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	478 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	479 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	480 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	481
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	482 EVP_AEAD_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	483 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	484 int len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	485 EVP_CIPHER_CTX *ctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	486
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	487 ctx = EVP_CIPHER_CTX_new();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	488 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	489 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	490 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	491 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	492
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	493 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	494 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	495 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	496 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	497 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	498
9128 756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	499 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	500 && 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	501 NULL)
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	502 == 0)
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	503 {
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	504 EVP_CIPHER_CTX_free(ctx);
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	505 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	506 "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	507 return NGX_ERROR;
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	508 }
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	509
9127 a7b850a5d98d QUIC: common cipher control constants instead of GCM-related. Roman Arutyunyan <arut@nginx.com> parents: 9126 diff changeset	510 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	511 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	512 {
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,
9127 a7b850a5d98d QUIC: common cipher control constants instead of GCM-related. Roman Arutyunyan <arut@nginx.com> parents: 9126 diff changeset	515 "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	516 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	517 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	518
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	519 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	520 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	521 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	522 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	523 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	524
9128 756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	525 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	526 && 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	527 {
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	528 EVP_CIPHER_CTX_free(ctx);
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	529 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	530 return NGX_ERROR;
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	531 }
756ab66de10e QUIC: TLS_AES_128_CCM_SHA256 cipher suite support. Roman Arutyunyan <arut@nginx.com> parents: 9127 diff changeset	532
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	533 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	534 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	535 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_EncryptUpdate() failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	536 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	537 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	538
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	539 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	540 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	541 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	542 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	543 }
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 out->len = len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	546
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	547 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	548 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	549 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	550 return NGX_ERROR;
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
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	553 out->len += len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	554
9127 a7b850a5d98d QUIC: common cipher control constants instead of GCM-related. Roman Arutyunyan <arut@nginx.com> parents: 9126 diff changeset	555 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	556 out->data + out->len)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	557 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	558 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	559 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	560 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	561 "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	562 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	563 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	564
9130 0f23488a9f5a QUIC: style. Sergey Kandaurov <pluknet@nginx.com> parents: 9129 diff changeset	565 out->len += NGX_QUIC_TAG_LEN;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	566
9130 0f23488a9f5a QUIC: style. Sergey Kandaurov <pluknet@nginx.com> parents: 9129 diff changeset	567 EVP_CIPHER_CTX_free(ctx);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	568 #endif
9130 0f23488a9f5a QUIC: style. Sergey Kandaurov <pluknet@nginx.com> parents: 9129 diff changeset	569
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	570 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	571 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	572
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	573
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	574 static ngx_int_t
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	575 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	576 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	577 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	578 int outlen;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	579 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	580 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	581
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	582 #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	583 uint32_t cnt;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	584
8798 fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	585 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	586
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	587 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	588 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	589 return NGX_OK;
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 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	592
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	593 ctx = EVP_CIPHER_CTX_new();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	594 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	595 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	596 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	597
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	598 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	599 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	600 goto failed;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	601 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	602
8798 fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	603 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	604 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	605 goto failed;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	606 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	607
8798 fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	608 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	609 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	610 goto 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
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	613 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	614
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	615 return NGX_OK;
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 failed:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	618
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	619 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	620
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	621 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	622 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	623
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	624
8926 3341e4089c6c QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes. Sergey Kandaurov <pluknet@nginx.com> parents: 8894 diff changeset	625 ngx_int_t
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	626 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	627 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	628 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	629 {
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	630 ngx_int_t key_len;
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	631 ngx_str_t secret_str;
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	632 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	633 ngx_quic_hkdf_t seq[3];
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	634 ngx_quic_secret_t *peer_secret;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	635 ngx_quic_ciphers_t ciphers;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	636
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	637 peer_secret = is_write ? &keys->secrets[level].server
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	638 : &keys->secrets[level].client;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	639
9030 172705615d04 QUIC: using native TLSv1.3 cipher suite constants. Sergey Kandaurov <pluknet@nginx.com> parents: 9025 diff changeset	640 keys->cipher = SSL_CIPHER_get_id(cipher);
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	641
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	642 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	643
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	644 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	645 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	646 return NGX_ERROR;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	647 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	648
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	649 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	650 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	651 "unexpected secret len: %uz", secret_len);
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	652 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	653 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	654
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	655 peer_secret->secret.len = secret_len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	656 ngx_memcpy(peer_secret->secret.data, secret, secret_len);
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	657
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	658 peer_secret->key.len = key_len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	659 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	660 peer_secret->hp.len = key_len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	661
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	662 secret_str.len = secret_len;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	663 secret_str.data = (u_char *) secret;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	664
9039 a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	665 ngx_quic_hkdf_set(&seq[0], "tls13 quic key",
a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	666 &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	667 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	668 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	669
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	670 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	671 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	672 return NGX_ERROR;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	673 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	674 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	675
8926 3341e4089c6c QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes. Sergey Kandaurov <pluknet@nginx.com> parents: 8894 diff changeset	676 return NGX_OK;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	677 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	678
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	679
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	680 ngx_uint_t
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	681 ngx_quic_keys_available(ngx_quic_keys_t *keys,
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	682 enum ssl_encryption_level_t level)
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	683 {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	684 return keys->secrets[level].client.key.len != 0;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	685 }
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 void
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	689 ngx_quic_keys_discard(ngx_quic_keys_t *keys,
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8694 diff changeset	690 enum ssl_encryption_level_t level)
8621 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 keys->secrets[level].client.key.len = 0;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	693 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	694
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	695
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	696 void
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	697 ngx_quic_keys_switch(ngx_connection_t c, ngx_quic_keys_t keys)
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	698 {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	699 ngx_quic_secrets_t current, next, tmp;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	700
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	701 current = &keys->secrets[ssl_encryption_application];
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	702 next = &keys->next_key;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	703
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	704 tmp = *current;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	705 current = next;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	706 *next = tmp;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	707 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	708
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	709
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	710 ngx_int_t
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	711 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	712 {
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	713 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	714 ngx_quic_hkdf_t seq[6];
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	715 ngx_quic_ciphers_t ciphers;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	716 ngx_quic_secrets_t current, next;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	717
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	718 current = &keys->secrets[ssl_encryption_application];
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	719 next = &keys->next_key;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	720
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	721 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	722
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	723 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	724 == NGX_ERROR)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	725 {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	726 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	727 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	728
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	729 next->client.secret.len = current->client.secret.len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	730 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	731 next->client.iv.len = NGX_QUIC_IV_LEN;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	732 next->client.hp = current->client.hp;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	733
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	734 next->server.secret.len = current->server.secret.len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	735 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	736 next->server.iv.len = NGX_QUIC_IV_LEN;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	737 next->server.hp = current->server.hp;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	738
9039 a6cc246654f8 QUIC: moved variable declaration to fix build with MSVC 2010. Sergey Kandaurov <pluknet@nginx.com> parents: 9030 diff changeset	739 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	740 &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	741 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	742 &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	743 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	744 &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	745 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	746 &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	747 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	748 &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	749 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	750 &next->server.iv, &next->server.secret);
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	751
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	752 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	753 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	754 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	755 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	756 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	757
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	758 return NGX_OK;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	759 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	760
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	761
8376 2d0f4aa78ed6 Restored ngx_quic_encrypt return type. Sergey Kandaurov <pluknet@nginx.com> parents: 8375 diff changeset	762 static ngx_int_t
8644 e953bd2c5bb3 QUIC: merged create_long/short_packet() functions. Sergey Kandaurov <pluknet@nginx.com> parents: 8643 diff changeset	763 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	764 {
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	765 u_char pnp, sample;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	766 ngx_str_t ad, out;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	767 ngx_uint_t i;
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	768 ngx_quic_secret_t *secret;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	769 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	770 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	771
8894 de7b9af30fc6 QUIC: refactored packet creation. Vladimir Homutov <vl@nginx.com> parents: 8888 diff changeset	772 ad.data = res->data;
de7b9af30fc6 QUIC: refactored packet creation. Vladimir Homutov <vl@nginx.com> parents: 8888 diff changeset	773 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	774
9126 29a6c0e11f75 QUIC: a new constant for AEAD tag length. Roman Arutyunyan <arut@nginx.com> parents: 9080 diff changeset	775 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	776 out.data = res->data + ad.len;
1bb5e8538d0c Removed excessive debugging in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8317 diff changeset	777
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	778 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	779 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	780 "quic ad len:%uz %xV", ad.len, &ad);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	781 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	782
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	783 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	784 {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	785 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	786 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	787
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	788 secret = &pkt->keys->secrets[pkt->level].server;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	789
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	790 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	791 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	792
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	793 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	794 nonce, &pkt->payload, &ad, pkt->log)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	795 != NGX_OK)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	796 {
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
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	800 sample = &out.data[4 - pkt->num_len];
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	801 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	802 != NGX_OK)
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	803 {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	804 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	805 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	806
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	807 /* 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	808 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	809
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	810 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	811 pnp[i] ^= mask[i + 1];
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	812 }
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	813
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	814 res->len = ad.len + out.len;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	815
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	816 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	817 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	818
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	819
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	820 static ngx_int_t
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	821 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	822 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	823 u_char *start;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	824 ngx_str_t ad, itag;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	825 ngx_quic_secret_t secret;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	826 ngx_quic_ciphers_t ciphers;
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 /* 5.8. Retry Packet Integrity */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	829 static u_char key[16] =
8678 3443ee341cc1 QUIC: draft-33 salt and retry keys. Sergey Kandaurov <pluknet@nginx.com> parents: 8673 diff changeset	830 "\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	831 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	832 "\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	833 static ngx_str_t in = ngx_string("");
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	834
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	835 ad.data = res->data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	836 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	837
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	838 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	839 itag.len = NGX_QUIC_TAG_LEN;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	840
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	841 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	842 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	843 "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	844 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	845
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	846 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	847 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	848 }
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 secret.key.len = sizeof(key);
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	851 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	852 secret.iv.len = NGX_QUIC_IV_LEN;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	853
8980 d8865baab732 QUIC: removed draft versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8926 diff changeset	854 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	855 != NGX_OK)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	856 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	857 return NGX_ERROR;
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
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	860 res->len = itag.data + itag.len - start;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	861 res->data = start;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	862
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	863 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	864 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	865
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	866
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	867 ngx_int_t
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	868 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	869 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	870 {
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	871 size_t is_len, info_len;
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	872 uint8_t *p;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	873 const EVP_MD *digest;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	874
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	875 uint8_t is[SHA256_DIGEST_LENGTH];
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	876 uint8_t info[20];
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	877
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	878 digest = EVP_sha256();
8729 0f8565e0fc76 QUIC: HKDF API compatibility with OpenSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8716 diff changeset	879 is_len = SHA256_DIGEST_LENGTH;
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	880
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	881 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	882 salt->data, salt->len)
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8694 diff changeset	883 != NGX_OK)
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	884 {
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	885 ngx_ssl_error(NGX_LOG_INFO, log, 0,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	886 "ngx_hkdf_extract(%s) failed", label);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	887 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	888 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	889
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	890 info[0] = 0;
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	891 info[1] = len;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	892 info[2] = ngx_strlen(label);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	893
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	894 info_len = 2 + 1 + info[2] + 1;
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	895
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	896 if (info_len >= 20) {
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	897 ngx_log_error(NGX_LOG_INFO, log, 0,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	898 "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	899 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	900 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	901
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	902 p = ngx_cpymem(&info[3], label, info[2]);
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	903 *p = '\0';
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	904
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	905 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	906 {
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	907 ngx_ssl_error(NGX_LOG_INFO, log, 0,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	908 "ngx_hkdf_expand(%s) failed", label);
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	909 return NGX_ERROR;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	910 }
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	911
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	912 return NGX_OK;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	913 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	914
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	915
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	916 static uint64_t
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	917 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	918 uint64_t *largest_pn)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	919 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	920 u_char *p;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	921 uint64_t truncated_pn, expected_pn, candidate_pn;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	922 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	923
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	924 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	925
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	926 p = *pos;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	927 truncated_pn = p++ ^ mask++;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	928
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	929 while (--len) {
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	930 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	931 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	932
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	933 *pos = p;
8339 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 expected_pn = *largest_pn + 1;
8394 df18ae7161b8 Assorted fixes. Sergey Kandaurov <pluknet@nginx.com> parents: 8386 diff changeset	936 pn_win = 1ULL << pn_nbits;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	937 pn_hwin = pn_win / 2;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	938 pn_mask = pn_win - 1;
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 candidate_pn = (expected_pn & ~pn_mask) \| truncated_pn;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	941
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	942 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	943 && candidate_pn < (1ULL << 62) - 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 candidate_pn += pn_win;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	946
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	947 } else if (candidate_pn > expected_pn + pn_hwin
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	948 && candidate_pn >= pn_win)
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	949 {
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	950 candidate_pn -= pn_win;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	951 }
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	952
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	953 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	954
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	955 return candidate_pn;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	956 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	957
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	958
9080 7da4791e0264 QUIC: OpenSSL compatibility layer. Roman Arutyunyan <arut@nginx.com> parents: 9047 diff changeset	959 void
8310 7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	960 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	961 {
9047 70ce1e927715 QUIC: fixed computation of nonce with packet numbers beyond 2^32. Sergey Kandaurov <pluknet@nginx.com> parents: 9041 diff changeset	962 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	963 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	964 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	965 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	966 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	967 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	968 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	969 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	970 }
7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	971
7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	972
8376 2d0f4aa78ed6 Restored ngx_quic_encrypt return type. Sergey Kandaurov <pluknet@nginx.com> parents: 8375 diff changeset	973 ngx_int_t
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	974 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	975 {
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	976 if (ngx_quic_pkt_retry(pkt->flags)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	977 return ngx_quic_create_retry_packet(pkt, res);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	978 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	979
8644 e953bd2c5bb3 QUIC: merged create_long/short_packet() functions. Sergey Kandaurov <pluknet@nginx.com> parents: 8643 diff changeset	980 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	981 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	982
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	983
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	984 ngx_int_t
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	985 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	986 {
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	987 u_char p, sample;
8558 0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len. Roman Arutyunyan <arut@nginx.com> parents: 8544 diff changeset	988 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	989 uint64_t pn, lpn;
9041 e23fd55e1cc6 QUIC: fixed C4389 MSVC warning about signed/unsigned mismatch. Sergey Kandaurov <pluknet@nginx.com> parents: 9040 diff changeset	990 ngx_int_t pnl, rc;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	991 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	992 ngx_uint_t key_phase;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	993 ngx_quic_secret_t *secret;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	994 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	995 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	996
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	997 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	998 {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	999 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1000 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1001
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1002 secret = &pkt->keys->secrets[pkt->level].client;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1003
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1004 p = pkt->raw->pos;
8558 0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len. Roman Arutyunyan <arut@nginx.com> parents: 8544 diff changeset	1005 len = pkt->data + pkt->len - p;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1006
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1007 /*
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1008 * RFC 9001, 5.4.2. Header Protection Sample
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1009 * 5.4.3. AES-Based Header Protection
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1010 * 5.4.4. ChaCha20-Based Header Protection
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1011 *
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1012 * 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	1013 * 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	1014 */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1015
9126 29a6c0e11f75 QUIC: a new constant for AEAD tag length. Roman Arutyunyan <arut@nginx.com> parents: 9080 diff changeset	1016 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	1017 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	1018 }
9aedab0f0dff QUIC: check that the packet length is of at least sample size. Sergey Kandaurov <pluknet@nginx.com> parents: 8542 diff changeset	1019
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1020 sample = p + 4;
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 /* header protection */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1023
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1024 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	1025 != NGX_OK)
ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	1026 {
8446 df29219988bc Discard short packets which could not be decrypted. Sergey Kandaurov <pluknet@nginx.com> parents: 8445 diff changeset	1027 return NGX_DECLINED;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1028 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1029
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1030 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	1031
8643 5fdd0ef42232 QUIC: macros for manipulating header protection and reserved bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8642 diff changeset	1032 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	1033 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	1034
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1035 if (key_phase != pkt->key_phase) {
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1036 secret = &pkt->keys->next_key.client;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1037 pkt->key_update = 1;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1038 }
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1039 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1040
8532 b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1041 lpn = *largest_pn;
b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1042
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1043 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	1044 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	1045
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1046 pkt->pn = pn;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1047
8287 ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	1048 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	1049 "quic packet rx clearflags:%xd", pkt->flags);
8287 ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	1050 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	1051 "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	1052
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1053 /* packet protection */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1054
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1055 in.data = p;
8558 0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len. Roman Arutyunyan <arut@nginx.com> parents: 8544 diff changeset	1056 in.len = len - pnl;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1057
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1058 ad.len = p - pkt->data;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	1059 ad.data = pkt->plaintext;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1060
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1061 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	1062 ad.data[0] = pkt->flags;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1063
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1064 do {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1065 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	1066 } while (--pnl);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1067
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1068 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	1069 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	1070
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	1071 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	1072 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	1073 "quic ad len:%uz %xV", ad.len, &ad);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	1074 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1075
9126 29a6c0e11f75 QUIC: a new constant for AEAD tag length. Roman Arutyunyan <arut@nginx.com> parents: 9080 diff changeset	1076 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	1077 pkt->payload.data = pkt->plaintext + ad.len;
ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	1078
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1079 rc = ngx_quic_tls_open(ciphers.c, secret, &pkt->payload,
8287 ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	1080 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	1081 if (rc != NGX_OK) {
8446 df29219988bc Discard short packets which could not be decrypted. Sergey Kandaurov <pluknet@nginx.com> parents: 8445 diff changeset	1082 return NGX_DECLINED;
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1083 }
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1084
8646 4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1085 if (pkt->payload.len == 0) {
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1086 /*
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1087 * RFC 9000, 12.4. Frames and Frame Types
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1088 *
8646 4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1089 * 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	1090 * 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	1091 */
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1092 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	1093 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	1094 return NGX_ERROR;
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1095 }
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1096
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1097 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	1098 /*
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1099 * RFC 9000, Reserved Bits
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1100 *
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1101 * 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	1102 * 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	1103 * 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	1104 * of type PROTOCOL_VIOLATION.
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1105 */
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1106 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	1107 "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	1108 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	1109 return NGX_ERROR;
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1110 }
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1111
8646 4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1112 #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	1113 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	1114 "quic packet payload len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	1115 pkt->payload.len, &pkt->payload);
8646 4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1116 #endif
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1117
8532 b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1118 *largest_pn = lpn;
b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1119
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1120 return NGX_OK;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1121 }

Mercurial > hg > nginx

annotate src/event/quic/ngx_event_quic_protection.c @ 9130:0f23488a9f5a