nginx: src/event/quic/ngx_event_quic

annotate src/event/quic/ngx_event_quic_protection.c @ 9024:f2925c80401c quic

QUIC: avoided pool usage in ngx_quic_protection.c.

author	Vladimir Homutov <vl@nginx.com>
date	Wed, 27 Jul 2022 17:16:40 +0400
parents	d8b3851f172c
children	e50f77a2d0b0

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 5116, 5.1 and RFC 8439, 2.3 for all supported ciphers */
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	14 #define NGX_QUIC_IV_LEN 12
8798 fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	15 /* 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	16 #define NGX_QUIC_HP_LEN 5
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	17
8800 e617d0ba387a QUIC: optimized initial secrets key length computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8799 diff changeset	18 #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	19
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	20 /* largest hash used in TLS is SHA-384 */
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	21 #define NGX_QUIC_MAX_MD_SIZE 48
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	22
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	23 #define NGX_AES_128_GCM_SHA256 0x1301
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	24 #define NGX_AES_256_GCM_SHA384 0x1302
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	25 #define NGX_CHACHA20_POLY1305_SHA256 0x1303
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	26
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	27
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	28 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	29 #define ngx_quic_cipher_t EVP_AEAD
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	30 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	31 #define ngx_quic_cipher_t EVP_CIPHER
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	32 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	33
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	34
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	35 typedef struct {
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	36 size_t len;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	37 u_char data[NGX_QUIC_MAX_MD_SIZE];
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	38 } ngx_quic_md_t;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	39
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	40
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	41 typedef struct {
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	42 size_t len;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	43 u_char data[NGX_QUIC_IV_LEN];
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	44 } ngx_quic_iv_t;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	45
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	46
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	47 typedef struct {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	48 const ngx_quic_cipher_t *c;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	49 const EVP_CIPHER *hp;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	50 const EVP_MD *d;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	51 } ngx_quic_ciphers_t;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	52
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	53
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	54 typedef struct ngx_quic_secret_s {
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	55 ngx_quic_md_t secret;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	56 ngx_quic_md_t key;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	57 ngx_quic_iv_t iv;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	58 ngx_quic_md_t hp;
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	59 } ngx_quic_secret_t;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	60
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	61
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	62 typedef struct {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	63 ngx_quic_secret_t client;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	64 ngx_quic_secret_t server;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	65 } ngx_quic_secrets_t;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	66
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	67
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	68 struct ngx_quic_keys_s {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	69 ngx_quic_secrets_t secrets[NGX_QUIC_ENCRYPTION_LAST];
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	70 ngx_quic_secrets_t next_key;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	71 ngx_uint_t cipher;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	72 };
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	73
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	74
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	75 typedef struct {
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	76 size_t out_len;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	77 u_char *out;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	78
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	79 size_t prk_len;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	80 const uint8_t *prk;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	81
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	82 size_t label_len;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	83 const u_char *label;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	84 } ngx_quic_hkdf_t;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	85
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	86 #define ngx_quic_hkdf_set(label, out, prk) \
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	87 { \
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	88 (out)->len, (out)->data, \
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	89 (prk)->len, (prk)->data, \
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	90 (sizeof(label) - 1), (u_char *)(label), \
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	91 }
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	92
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	93
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	94 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	95 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	96 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	97 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	98 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	99 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	100
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	101 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	102 uint64_t *largest_pn);
8310 7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	103 static void ngx_quic_compute_nonce(u_char *nonce, size_t len, uint64_t pn);
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	104 static ngx_int_t ngx_quic_ciphers(ngx_uint_t id,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	105 ngx_quic_ciphers_t *ciphers, enum ssl_encryption_level_t level);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	106
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	107 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	108 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	109 ngx_str_t ad, ngx_log_t log);
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	110 static ngx_int_t ngx_quic_tls_seal(const ngx_quic_cipher_t *cipher,
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	111 ngx_quic_secret_t s, ngx_str_t out, u_char nonce, ngx_str_t in,
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	112 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	113 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	114 ngx_quic_secret_t s, u_char out, u_char *in);
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	115 static ngx_int_t ngx_quic_hkdf_expand(ngx_quic_hkdf_t *hkdf,
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	116 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	117
8644 e953bd2c5bb3 QUIC: merged create_long/short_packet() functions. Sergey Kandaurov <pluknet@nginx.com> parents: 8643 diff changeset	118 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	119 ngx_str_t *res);
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	120 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	121 ngx_str_t *res);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	122
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	123
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	124 static ngx_int_t
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	125 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	126 enum ssl_encryption_level_t level)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	127 {
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	128 ngx_int_t len;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	129
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	130 if (level == ssl_encryption_initial) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	131 id = NGX_AES_128_GCM_SHA256;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	132 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	133
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	134 switch (id) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	135
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	136 case NGX_AES_128_GCM_SHA256:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	137 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	138 ciphers->c = EVP_aead_aes_128_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	139 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	140 ciphers->c = EVP_aes_128_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	141 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	142 ciphers->hp = EVP_aes_128_ctr();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	143 ciphers->d = EVP_sha256();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	144 len = 16;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	145 break;
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 case NGX_AES_256_GCM_SHA384:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	148 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	149 ciphers->c = EVP_aead_aes_256_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	150 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	151 ciphers->c = EVP_aes_256_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	152 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	153 ciphers->hp = EVP_aes_256_ctr();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	154 ciphers->d = EVP_sha384();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	155 len = 32;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	156 break;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	157
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	158 case NGX_CHACHA20_POLY1305_SHA256:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	159 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	160 ciphers->c = EVP_aead_chacha20_poly1305();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	161 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	162 ciphers->c = EVP_chacha20_poly1305();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	163 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	164 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	165 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	166 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	167 ciphers->hp = EVP_chacha20();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	168 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	169 ciphers->d = EVP_sha256();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	170 len = 32;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	171 break;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	172
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	173 default:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	174 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	175 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	176
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	177 return len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	178 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	179
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	180
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	181 ngx_int_t
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	182 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	183 ngx_log_t *log)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	184 {
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	185 size_t is_len;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	186 uint8_t is[SHA256_DIGEST_LENGTH];
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	187 ngx_uint_t i;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	188 const EVP_MD *digest;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	189 ngx_quic_secret_t client, server;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	190
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	191 static const uint8_t salt[20] =
8678 3443ee341cc1 QUIC: draft-33 salt and retry keys. Sergey Kandaurov <pluknet@nginx.com> parents: 8673 diff changeset	192 "\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	193 "\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	194
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	195 client = &keys->secrets[ssl_encryption_initial].client;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	196 server = &keys->secrets[ssl_encryption_initial].server;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	197
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	198 /*
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	199 * RFC 9001, section 5. Packet Protection
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	200 *
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	201 * Initial packets use AEAD_AES_128_GCM. The hash function
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	202 * 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	203 */
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	204
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	205 digest = EVP_sha256();
8729 0f8565e0fc76 QUIC: HKDF API compatibility with OpenSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8716 diff changeset	206 is_len = SHA256_DIGEST_LENGTH;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	207
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	208 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	209 salt, sizeof(salt))
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	210 != NGX_OK)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	211 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	212 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	213 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	214
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	215 ngx_str_t iss = {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	216 .data = is,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	217 .len = is_len
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	218 };
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	219
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	220 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, log, 0,
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8694 diff changeset	221 "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	222 #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	223 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	224 "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	225 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	226 "quic initial secret len:%uz %*xs", is_len, is_len, is);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	227 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	228
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	229 client->secret.len = SHA256_DIGEST_LENGTH;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	230 server->secret.len = SHA256_DIGEST_LENGTH;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	231
8800 e617d0ba387a QUIC: optimized initial secrets key length computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8799 diff changeset	232 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	233 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	234
8800 e617d0ba387a QUIC: optimized initial secrets key length computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8799 diff changeset	235 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	236 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	237
8799 ef8276c8ccff QUIC: consistent use of 12-byte buffers in nonce computation. Sergey Kandaurov <pluknet@nginx.com> parents: 8798 diff changeset	238 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	239 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	240
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	241 ngx_quic_hkdf_t seq[] = {
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	242 /* labels per RFC 9001, 5.1. Packet Protection Keys */
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	243 ngx_quic_hkdf_set("tls13 client in", &client->secret, &iss),
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	244 ngx_quic_hkdf_set("tls13 quic key", &client->key, &client->secret),
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	245 ngx_quic_hkdf_set("tls13 quic iv", &client->iv, &client->secret),
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	246 ngx_quic_hkdf_set("tls13 quic hp", &client->hp, &client->secret),
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	247 ngx_quic_hkdf_set("tls13 server in", &server->secret, &iss),
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	248 ngx_quic_hkdf_set("tls13 quic key", &server->key, &server->secret),
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	249 ngx_quic_hkdf_set("tls13 quic iv", &server->iv, &server->secret),
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	250 ngx_quic_hkdf_set("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	251 };
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	252
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	253 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	254 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	255 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	256 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	257 }
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 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	260 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	261
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 static ngx_int_t
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	264 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	265 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	266 size_t info_len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	267 uint8_t *p;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	268 uint8_t info[20];
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	269
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	270 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	271
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	272 info[0] = 0;
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	273 info[1] = h->out_len;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	274 info[2] = h->label_len;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	275
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	276 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	277 *p = '\0';
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	278
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	279 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	280 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	281 != NGX_OK)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	282 {
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	283 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	284 "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	285 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	286 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	287
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	288 #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	289 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	290 "quic expand \"%s\" len:%uz %xs",
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	291 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	292 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	293
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	294 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	295 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	296
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	297
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	298 static ngx_int_t
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	299 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	300 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	301 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	302 #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	303
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	304 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	305 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	306 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	307 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	308 }
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	309
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	310 return NGX_OK;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	311
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	312 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	313
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	314 EVP_PKEY_CTX *pctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	315
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	316 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	317 if (pctx == NULL) {
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	318 return NGX_ERROR;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	319 }
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	320
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	321 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	322 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	323 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	324
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	325 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	326 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	327 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	328
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	329 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	330 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	331 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	332
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	333 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	334 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	335 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	336
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	337 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	338 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	339 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	340
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	341 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	342 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	343 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	344
8739 c0cd180308e4 QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand(). Sergey Kandaurov <pluknet@nginx.com> parents: 8729 diff changeset	345 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	346
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	347 return NGX_OK;
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 failed:
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	350
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	351 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	352
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	353 return NGX_ERROR;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	354
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	355 #endif
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
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	359 static ngx_int_t
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	360 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	361 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	362 size_t salt_len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	363 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	364 #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	365
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	366 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	367 salt_len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	368 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	369 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	370 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	371 }
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	372
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	373 return NGX_OK;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	374
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	375 #else
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_PKEY_CTX *pctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	378
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	379 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	380 if (pctx == NULL) {
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	381 return NGX_ERROR;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	382 }
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	383
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	384 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	385 goto failed;
8221 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_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	389 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	390 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	391
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	392 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	393 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	394 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	395
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	396 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	397 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	398 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	399
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	400 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	401 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	402 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	403
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	404 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	405 goto failed;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	406 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	407
8739 c0cd180308e4 QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand(). Sergey Kandaurov <pluknet@nginx.com> parents: 8729 diff changeset	408 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	409
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	410 return NGX_OK;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	411
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	412 failed:
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	413
8716 1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	414 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	415
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	416 return NGX_ERROR;
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	417
1c48629cfa74 QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand(). Vladimir Homutov <vl@nginx.com> parents: 8710 diff changeset	418 #endif
8221 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
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	421
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	422 static ngx_int_t
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	423 ngx_quic_tls_open(const ngx_quic_cipher_t cipher, ngx_quic_secret_t s,
ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	424 ngx_str_t out, u_char nonce, ngx_str_t in, ngx_str_t ad,
ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	425 ngx_log_t *log)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	426 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	427
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	428 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	429 EVP_AEAD_CTX *ctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	430
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	431 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	432 EVP_AEAD_DEFAULT_TAG_LENGTH);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	433 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	434 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	435 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	436 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	437
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	438 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	439 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	440 != 1)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	441 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	442 EVP_AEAD_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	443 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	444 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	445 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	446
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	447 EVP_AEAD_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	448 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	449 int len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	450 u_char *tag;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	451 EVP_CIPHER_CTX *ctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	452
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	453 ctx = EVP_CIPHER_CTX_new();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	454 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	455 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	456 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	457 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	458
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	459 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	460 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	461 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	462 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	463 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	464
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	465 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, s->iv.len, NULL)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	466 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	467 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	468 EVP_CIPHER_CTX_free(ctx);
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,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	470 "EVP_CIPHER_CTX_ctrl(EVP_CTRL_GCM_SET_IVLEN) failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	471 return NGX_ERROR;
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
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	474 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	475 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	476 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	477 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	478 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	479
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	480 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	481 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	482 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_DecryptUpdate() failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	483 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	484 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	485
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	486 if (EVP_DecryptUpdate(ctx, out->data, &len, in->data,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	487 in->len - EVP_GCM_TLS_TAG_LEN)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	488 != 1)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	489 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	490 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	491 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	492 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	493 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	494
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	495 out->len = len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	496 tag = in->data + in->len - EVP_GCM_TLS_TAG_LEN;
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 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, EVP_GCM_TLS_TAG_LEN, tag)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	499 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	500 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	501 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	502 ngx_ssl_error(NGX_LOG_INFO, log, 0,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	503 "EVP_CIPHER_CTX_ctrl(EVP_CTRL_GCM_SET_TAG) failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	504 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	505 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	506
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	507 if (EVP_DecryptFinal_ex(ctx, out->data + len, &len) <= 0) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	508 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	509 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	510 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	511 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	512
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	513 out->len += len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	514
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	515 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	516 #endif
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 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	519 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	520
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	521
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	522 static ngx_int_t
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	523 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	524 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	525 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	526
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	527 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	528 EVP_AEAD_CTX *ctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	529
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	530 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	531 EVP_AEAD_DEFAULT_TAG_LENGTH);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	532 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	533 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	534 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	535 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	536
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	537 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	538 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	539 != 1)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	540 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	541 EVP_AEAD_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	542 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_AEAD_CTX_seal() failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	543 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	544 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	545
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	546 EVP_AEAD_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	547 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	548 int len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	549 EVP_CIPHER_CTX *ctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	550
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	551 ctx = EVP_CIPHER_CTX_new();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	552 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	553 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_CIPHER_CTX_new() failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	554 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	555 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	556
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	557 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	558 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	559 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	560 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	561 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	562
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	563 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, s->iv.len, NULL)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	564 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	565 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	566 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	567 ngx_ssl_error(NGX_LOG_INFO, log, 0,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	568 "EVP_CIPHER_CTX_ctrl(EVP_CTRL_GCM_SET_IVLEN) failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	569 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	570 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	571
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	572 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	573 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	574 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	575 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	576 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	577
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	578 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	579 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	580 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	581 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	582 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	583
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	584 if (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	585 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	586 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	587 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	588 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	589
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	590 out->len = len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	591
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	592 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	593 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	594 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	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 out->len += len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	599
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	600 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, EVP_GCM_TLS_TAG_LEN,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	601 out->data + in->len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	602 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	603 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	604 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	605 ngx_ssl_error(NGX_LOG_INFO, log, 0,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	606 "EVP_CIPHER_CTX_ctrl(EVP_CTRL_GCM_GET_TAG) failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	607 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	608 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	609
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	610 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	611
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	612 out->len += EVP_GCM_TLS_TAG_LEN;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	613 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	614 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	615 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	616
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	617
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	618 static ngx_int_t
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	619 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	620 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	621 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	622 int outlen;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	623 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	624 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	625
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	626 #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	627 uint32_t cnt;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	628
8798 fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	629 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	630
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	631 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	632 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	633 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	634 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	635 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	636
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	637 ctx = EVP_CIPHER_CTX_new();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	638 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	639 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	640 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	641
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	642 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	643 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	644 goto failed;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	645 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	646
8798 fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	647 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	648 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	649 goto failed;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	650 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	651
8798 fc5719637aff QUIC: consistent use of 5-byte buffers for header protection. Sergey Kandaurov <pluknet@nginx.com> parents: 8797 diff changeset	652 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	653 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	654 goto failed;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	655 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	656
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	657 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	658
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	659 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	660
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	661 failed:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	662
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	663 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	664
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	665 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	666 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	667
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	668
8926 3341e4089c6c QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes. Sergey Kandaurov <pluknet@nginx.com> parents: 8894 diff changeset	669 ngx_int_t
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9023 diff changeset	670 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	671 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	672 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	673 {
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	674 ngx_int_t key_len;
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	675 ngx_str_t secret_str;
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	676 ngx_uint_t i;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	677 ngx_quic_secret_t *peer_secret;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	678 ngx_quic_ciphers_t ciphers;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	679
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	680 peer_secret = is_write ? &keys->secrets[level].server
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	681 : &keys->secrets[level].client;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	682
8667 a4c05aff8ec0 QUIC: converted to SSL_CIPHER_get_protocol_id(). Sergey Kandaurov <pluknet@nginx.com> parents: 8651 diff changeset	683 keys->cipher = SSL_CIPHER_get_protocol_id(cipher);
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	684
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	685 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	686
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	687 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	688 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	689 return NGX_ERROR;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	690 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	691
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	692 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	693 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	694 "unexpected secret len: %uz", secret_len);
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	695 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	696 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	697
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	698 peer_secret->secret.len = secret_len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	699 ngx_memcpy(peer_secret->secret.data, secret, secret_len);
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	700
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	701 peer_secret->key.len = key_len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	702 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	703 peer_secret->hp.len = key_len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	704
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	705 secret_str.len = secret_len;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	706 secret_str.data = (u_char *) secret;
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	707
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	708 ngx_quic_hkdf_t seq[] = {
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	709 ngx_quic_hkdf_set("tls13 quic key", &peer_secret->key, &secret_str),
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	710 ngx_quic_hkdf_set("tls13 quic iv", &peer_secret->iv, &secret_str),
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	711 ngx_quic_hkdf_set("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	712 };
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	713
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	714 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	715 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	716 return NGX_ERROR;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	717 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	718 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	719
8926 3341e4089c6c QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes. Sergey Kandaurov <pluknet@nginx.com> parents: 8894 diff changeset	720 return NGX_OK;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	721 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	722
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	723
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	724 ngx_quic_keys_t *
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	725 ngx_quic_keys_new(ngx_pool_t *pool)
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	726 {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	727 return ngx_pcalloc(pool, sizeof(ngx_quic_keys_t));
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	728 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	729
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	730
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	731 ngx_uint_t
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	732 ngx_quic_keys_available(ngx_quic_keys_t *keys,
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	733 enum ssl_encryption_level_t level)
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	734 {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	735 return keys->secrets[level].client.key.len != 0;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	736 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	737
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	738
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	739 void
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	740 ngx_quic_keys_discard(ngx_quic_keys_t *keys,
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8694 diff changeset	741 enum ssl_encryption_level_t level)
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	742 {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	743 keys->secrets[level].client.key.len = 0;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	744 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	745
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	746
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	747 void
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	748 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	749 {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	750 ngx_quic_secrets_t current, next, tmp;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	751
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	752 current = &keys->secrets[ssl_encryption_application];
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	753 next = &keys->next_key;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	754
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	755 tmp = *current;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	756 current = next;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	757 *next = tmp;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	758 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	759
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	760
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	761 ngx_int_t
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	762 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	763 {
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	764 ngx_uint_t i;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	765 ngx_quic_ciphers_t ciphers;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	766 ngx_quic_secrets_t current, next;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	767
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	768 current = &keys->secrets[ssl_encryption_application];
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	769 next = &keys->next_key;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	770
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	771 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	772
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	773 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	774 == NGX_ERROR)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	775 {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	776 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	777 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	778
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	779 next->client.secret.len = current->client.secret.len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	780 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	781 next->client.iv.len = NGX_QUIC_IV_LEN;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	782 next->client.hp = current->client.hp;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	783
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	784 next->server.secret.len = current->server.secret.len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	785 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	786 next->server.iv.len = NGX_QUIC_IV_LEN;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	787 next->server.hp = current->server.hp;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	788
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	789 ngx_quic_hkdf_t seq[] = {
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	790 ngx_quic_hkdf_set("tls13 quic ku",
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	791 &next->client.secret, &current->client.secret),
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	792 ngx_quic_hkdf_set("tls13 quic key",
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	793 &next->client.key, &next->client.secret),
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	794 ngx_quic_hkdf_set("tls13 quic iv",
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	795 &next->client.iv, &next->client.secret),
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	796 ngx_quic_hkdf_set("tls13 quic ku",
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	797 &next->server.secret, &current->server.secret),
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	798 ngx_quic_hkdf_set("tls13 quic key",
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	799 &next->server.key, &next->server.secret),
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	800 ngx_quic_hkdf_set("tls13 quic iv",
d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	801 &next->server.iv, &next->server.secret),
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	802 };
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	803
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	804 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	805 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	806 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	807 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	808 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	809
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	810 return NGX_OK;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	811 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	812
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	813
8376 2d0f4aa78ed6 Restored ngx_quic_encrypt return type. Sergey Kandaurov <pluknet@nginx.com> parents: 8375 diff changeset	814 static ngx_int_t
8644 e953bd2c5bb3 QUIC: merged create_long/short_packet() functions. Sergey Kandaurov <pluknet@nginx.com> parents: 8643 diff changeset	815 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	816 {
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	817 u_char pnp, sample;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	818 ngx_str_t ad, out;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	819 ngx_uint_t i;
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	820 ngx_quic_secret_t *secret;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	821 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	822 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	823
8894 de7b9af30fc6 QUIC: refactored packet creation. Vladimir Homutov <vl@nginx.com> parents: 8888 diff changeset	824 ad.data = res->data;
de7b9af30fc6 QUIC: refactored packet creation. Vladimir Homutov <vl@nginx.com> parents: 8888 diff changeset	825 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	826
8894 de7b9af30fc6 QUIC: refactored packet creation. Vladimir Homutov <vl@nginx.com> parents: 8888 diff changeset	827 out.len = pkt->payload.len + EVP_GCM_TLS_TAG_LEN;
8318 1bb5e8538d0c Removed excessive debugging in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8317 diff changeset	828 out.data = res->data + ad.len;
1bb5e8538d0c Removed excessive debugging in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8317 diff changeset	829
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	830 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	831 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	832 "quic ad len:%uz %xV", ad.len, &ad);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	833 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	834
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	835 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	836 {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	837 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	838 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	839
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	840 secret = &pkt->keys->secrets[pkt->level].server;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	841
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	842 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	843 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	844
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	845 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	846 nonce, &pkt->payload, &ad, pkt->log)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	847 != NGX_OK)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	848 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	849 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	850 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	851
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	852 sample = &out.data[4 - pkt->num_len];
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	853 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	854 != NGX_OK)
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	855 {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	856 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	857 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	858
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	859 /* 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	860 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	861
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	862 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	863 pnp[i] ^= mask[i + 1];
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	864 }
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	865
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	866 res->len = ad.len + out.len;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	867
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	868 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	869 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	870
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	871
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	872 static ngx_int_t
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	873 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	874 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	875 u_char *start;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	876 ngx_str_t ad, itag;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	877 ngx_quic_secret_t secret;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	878 ngx_quic_ciphers_t ciphers;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	879
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	880 /* 5.8. Retry Packet Integrity */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	881 static u_char key[16] =
8678 3443ee341cc1 QUIC: draft-33 salt and retry keys. Sergey Kandaurov <pluknet@nginx.com> parents: 8673 diff changeset	882 "\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	883 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	884 "\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	885 static ngx_str_t in = ngx_string("");
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	886
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	887 ad.data = res->data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	888 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	889
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	890 itag.data = ad.data + ad.len;
8394 df18ae7161b8 Assorted fixes. Sergey Kandaurov <pluknet@nginx.com> parents: 8386 diff changeset	891 itag.len = EVP_GCM_TLS_TAG_LEN;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	892
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	893 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	894 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	895 "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	896 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	897
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	898 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	899 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	900 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	901
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	902 secret.key.len = sizeof(key);
9023 d8b3851f172c QUIC: fixed-length buffers for secrets. Vladimir Homutov <vl@nginx.com> parents: 8980 diff changeset	903 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	904 secret.iv.len = NGX_QUIC_IV_LEN;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	905
8980 d8865baab732 QUIC: removed draft versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8926 diff changeset	906 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	907 != NGX_OK)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	908 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	909 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	910 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	911
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	912 res->len = itag.data + itag.len - start;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	913 res->data = start;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	914
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	915 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	916 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	917
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	918
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	919 ngx_int_t
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	920 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	921 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	922 {
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	923 size_t is_len, info_len;
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	924 uint8_t *p;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	925 const EVP_MD *digest;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	926
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	927 uint8_t is[SHA256_DIGEST_LENGTH];
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	928 uint8_t info[20];
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	929
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	930 digest = EVP_sha256();
8729 0f8565e0fc76 QUIC: HKDF API compatibility with OpenSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8716 diff changeset	931 is_len = SHA256_DIGEST_LENGTH;
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	932
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	933 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	934 salt->data, salt->len)
8702 d4e02b3b734f QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 8694 diff changeset	935 != NGX_OK)
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	936 {
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	937 ngx_ssl_error(NGX_LOG_INFO, log, 0,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	938 "ngx_hkdf_extract(%s) failed", label);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	939 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	940 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	941
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	942 info[0] = 0;
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	943 info[1] = len;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	944 info[2] = ngx_strlen(label);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	945
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	946 info_len = 2 + 1 + info[2] + 1;
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	947
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	948 if (info_len >= 20) {
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	949 ngx_log_error(NGX_LOG_INFO, log, 0,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	950 "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	951 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	952 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	953
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	954 p = ngx_cpymem(&info[3], label, info[2]);
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	955 *p = '\0';
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	956
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	957 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	958 {
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	959 ngx_ssl_error(NGX_LOG_INFO, log, 0,
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	960 "ngx_hkdf_expand(%s) failed", label);
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	961 return NGX_ERROR;
cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8678 diff changeset	962 }
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	963
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	964 return NGX_OK;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	965 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	966
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	967
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	968 static uint64_t
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	969 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	970 uint64_t *largest_pn)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	971 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	972 u_char *p;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	973 uint64_t truncated_pn, expected_pn, candidate_pn;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	974 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	975
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	976 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	977
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	978 p = *pos;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	979 truncated_pn = p++ ^ mask++;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	980
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	981 while (--len) {
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	982 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	983 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	984
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	985 *pos = p;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	986
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	987 expected_pn = *largest_pn + 1;
8394 df18ae7161b8 Assorted fixes. Sergey Kandaurov <pluknet@nginx.com> parents: 8386 diff changeset	988 pn_win = 1ULL << pn_nbits;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	989 pn_hwin = pn_win / 2;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	990 pn_mask = pn_win - 1;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	991
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	992 candidate_pn = (expected_pn & ~pn_mask) \| truncated_pn;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	993
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	994 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	995 && candidate_pn < (1ULL << 62) - pn_win)
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	996 {
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	997 candidate_pn += pn_win;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	998
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	999 } else if (candidate_pn > expected_pn + pn_hwin
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1000 && candidate_pn >= pn_win)
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1001 {
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1002 candidate_pn -= pn_win;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1003 }
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1004
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1005 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	1006
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8324 diff changeset	1007 return candidate_pn;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1008 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1009
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1010
8310 7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	1011 static void
7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	1012 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	1013 {
8313 c625bde6cb77 Fixed computing nonce again, by properly shifting packet number. Sergey Kandaurov <pluknet@nginx.com> parents: 8310 diff changeset	1014 nonce[len - 4] ^= (pn & 0xff000000) >> 24;
c625bde6cb77 Fixed computing nonce again, by properly shifting packet number. Sergey Kandaurov <pluknet@nginx.com> parents: 8310 diff changeset	1015 nonce[len - 3] ^= (pn & 0x00ff0000) >> 16;
c625bde6cb77 Fixed computing nonce again, by properly shifting packet number. Sergey Kandaurov <pluknet@nginx.com> parents: 8310 diff changeset	1016 nonce[len - 2] ^= (pn & 0x0000ff00) >> 8;
c625bde6cb77 Fixed computing nonce again, by properly shifting packet number. Sergey Kandaurov <pluknet@nginx.com> parents: 8310 diff changeset	1017 nonce[len - 1] ^= (pn & 0x000000ff);
8310 7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	1018 }
7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	1019
7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	1020
8376 2d0f4aa78ed6 Restored ngx_quic_encrypt return type. Sergey Kandaurov <pluknet@nginx.com> parents: 8375 diff changeset	1021 ngx_int_t
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1022 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	1023 {
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	1024 if (ngx_quic_pkt_retry(pkt->flags)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	1025 return ngx_quic_create_retry_packet(pkt, res);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	1026 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8376 diff changeset	1027
8644 e953bd2c5bb3 QUIC: merged create_long/short_packet() functions. Sergey Kandaurov <pluknet@nginx.com> parents: 8643 diff changeset	1028 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	1029 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1030
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1031
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1032 ngx_int_t
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1033 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	1034 {
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1035 u_char p, sample;
8558 0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len. Roman Arutyunyan <arut@nginx.com> parents: 8544 diff changeset	1036 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	1037 uint64_t pn, lpn;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1038 ngx_int_t pnl, rc, key_phase;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1039 ngx_str_t in, ad;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1040 ngx_quic_secret_t *secret;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1041 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	1042 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	1043
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1044 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	1045 {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1046 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1047 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1048
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1049 secret = &pkt->keys->secrets[pkt->level].client;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1050
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1051 p = pkt->raw->pos;
8558 0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len. Roman Arutyunyan <arut@nginx.com> parents: 8544 diff changeset	1052 len = pkt->data + pkt->len - p;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1053
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1054 /*
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1055 * RFC 9001, 5.4.2. Header Protection Sample
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1056 * 5.4.3. AES-Based Header Protection
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1057 * 5.4.4. ChaCha20-Based Header Protection
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1058 *
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1059 * 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	1060 * 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	1061 */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1062
8558 0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len. Roman Arutyunyan <arut@nginx.com> parents: 8544 diff changeset	1063 if (len < EVP_GCM_TLS_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	1064 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	1065 }
9aedab0f0dff QUIC: check that the packet length is of at least sample size. Sergey Kandaurov <pluknet@nginx.com> parents: 8542 diff changeset	1066
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1067 sample = p + 4;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1068
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1069 /* header protection */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1070
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1071 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	1072 != NGX_OK)
ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	1073 {
8446 df29219988bc Discard short packets which could not be decrypted. Sergey Kandaurov <pluknet@nginx.com> parents: 8445 diff changeset	1074 return NGX_DECLINED;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1075 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1076
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1077 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	1078
8643 5fdd0ef42232 QUIC: macros for manipulating header protection and reserved bits. Sergey Kandaurov <pluknet@nginx.com> parents: 8642 diff changeset	1079 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	1080 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	1081
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1082 if (key_phase != pkt->key_phase) {
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8609 diff changeset	1083 secret = &pkt->keys->next_key.client;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1084 pkt->key_update = 1;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1085 }
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1086 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1087
8532 b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1088 lpn = *largest_pn;
b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1089
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1090 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	1091 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	1092
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1093 pkt->pn = pn;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1094
8287 ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	1095 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	1096 "quic packet rx clearflags:%xd", pkt->flags);
8287 ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	1097 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	1098 "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	1099
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1100 /* packet protection */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1101
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1102 in.data = p;
8558 0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len. Roman Arutyunyan <arut@nginx.com> parents: 8544 diff changeset	1103 in.len = len - pnl;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1104
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1105 ad.len = p - pkt->data;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	1106 ad.data = pkt->plaintext;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1107
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1108 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	1109 ad.data[0] = pkt->flags;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1110
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1111 do {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1112 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	1113 } while (--pnl);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1114
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1115 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	1116 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	1117
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	1118 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	1119 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	1120 "quic ad len:%uz %xV", ad.len, &ad);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8339 diff changeset	1121 #endif
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1122
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	1123 pkt->payload.len = in.len - EVP_GCM_TLS_TAG_LEN;
ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	1124 pkt->payload.data = pkt->plaintext + ad.len;
ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	1125
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1126 rc = ngx_quic_tls_open(ciphers.c, secret, &pkt->payload,
8287 ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	1127 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	1128 if (rc != NGX_OK) {
8446 df29219988bc Discard short packets which could not be decrypted. Sergey Kandaurov <pluknet@nginx.com> parents: 8445 diff changeset	1129 return NGX_DECLINED;
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1130 }
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1131
8646 4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1132 if (pkt->payload.len == 0) {
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1133 /*
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1134 * RFC 9000, 12.4. Frames and Frame Types
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1135 *
8646 4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1136 * 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	1137 * 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	1138 */
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1139 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	1140 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	1141 return NGX_ERROR;
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1142 }
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1143
8645 ae4bffb75df8 QUIC: simplified and streamlined ngx_quic_decrypt(). Sergey Kandaurov <pluknet@nginx.com> parents: 8644 diff changeset	1144 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	1145 /*
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1146 * RFC 9000, Reserved Bits
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8755 diff changeset	1147 *
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1148 * 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	1149 * 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	1150 * 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	1151 * of type PROTOCOL_VIOLATION.
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1152 */
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1153 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	1154 "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	1155 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	1156 return NGX_ERROR;
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1157 }
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1158
8646 4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1159 #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	1160 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	1161 "quic packet payload len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8646 diff changeset	1162 pkt->payload.len, &pkt->payload);
8646 4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1163 #endif
4bf332873a83 QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION. Sergey Kandaurov <pluknet@nginx.com> parents: 8645 diff changeset	1164
8532 b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1165 *largest_pn = lpn;
b13141d6d250 QUIC: do not update largest packet number from a bad packet. Roman Arutyunyan <arut@nginx.com> parents: 8525 diff changeset	1166
8386 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 8383 diff changeset	1167 return NGX_OK;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1168 }

Mercurial > hg > nginx

annotate src/event/quic/ngx_event_quic_protection.c @ 9024:f2925c80401c quic