nginx: src/event/ngx_event_quic_protection.c annotate

annotate src/event/ngx_event_quic_protection.c @ 8319:29354c6fc5f2 quic

TLS Key Update in QUIC. Old keys retention is yet to be implemented.

author	Sergey Kandaurov <pluknet@nginx.com>
date	Mon, 06 Apr 2020 14:54:08 +0300
parents	1bb5e8538d0c
children	7cca3624f9c4

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>
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	10
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 #define NGX_QUIC_IV_LEN 12
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	13
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	14 #define NGX_AES_128_GCM_SHA256 0x1301
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	15 #define NGX_AES_256_GCM_SHA384 0x1302
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	16 #define NGX_CHACHA20_POLY1305_SHA256 0x1303
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	17
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	18
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	19 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	20 #define ngx_quic_cipher_t EVP_AEAD
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	21 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	22 #define ngx_quic_cipher_t EVP_CIPHER
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	23 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	24
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	25 typedef struct {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	26 const ngx_quic_cipher_t *c;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	27 const EVP_CIPHER *hp;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	28 const EVP_MD *d;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	29 } ngx_quic_ciphers_t;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	30
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	31
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	32 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	33 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	34 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	35 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	36 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	37 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	38
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	39 static uint64_t ngx_quic_parse_pn(u_char *pos, ngx_int_t len, u_char mask);
8310 7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	40 static void ngx_quic_compute_nonce(u_char *nonce, size_t len, uint64_t pn);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	41 static ngx_int_t ngx_quic_ciphers(ngx_ssl_conn_t *ssl_conn,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	42 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	43
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	44 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	45 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	46 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	47 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	48 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	49 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	50 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	51 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	52 static ngx_int_t ngx_quic_hkdf_expand(ngx_pool_t pool, const EVP_MD digest,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	53 ngx_str_t out, ngx_str_t label, const uint8_t *prk, size_t prk_len);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	54
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	55 static ssize_t ngx_quic_create_long_packet(ngx_quic_header_t *pkt,
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	56 ngx_ssl_conn_t ssl_conn, ngx_str_t res);
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	57 static ssize_t ngx_quic_create_short_packet(ngx_quic_header_t *pkt,
8299 4ad7d4272cd5 Style. Sergey Kandaurov <pluknet@nginx.com> parents: 8288 diff changeset	58 ngx_ssl_conn_t ssl_conn, ngx_str_t res);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	59
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	60
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	61 static ngx_int_t
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	62 ngx_quic_ciphers(ngx_ssl_conn_t ssl_conn, ngx_quic_ciphers_t ciphers,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	63 enum ssl_encryption_level_t level)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	64 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	65 ngx_int_t id, len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	66
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	67 if (level == ssl_encryption_initial) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	68 id = NGX_AES_128_GCM_SHA256;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	69
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	70 } else {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	71 id = SSL_CIPHER_get_id(SSL_get_current_cipher(ssl_conn)) & 0xffff;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	72 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	73
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	74 switch (id) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	75
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	76 case NGX_AES_128_GCM_SHA256:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	77 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	78 ciphers->c = EVP_aead_aes_128_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	79 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	80 ciphers->c = EVP_aes_128_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	81 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	82 ciphers->hp = EVP_aes_128_ctr();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	83 ciphers->d = EVP_sha256();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	84 len = 16;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	85 break;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	86
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	87 case NGX_AES_256_GCM_SHA384:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	88 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	89 ciphers->c = EVP_aead_aes_256_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	90 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	91 ciphers->c = EVP_aes_256_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	92 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	93 ciphers->hp = EVP_aes_256_ctr();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	94 ciphers->d = EVP_sha384();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	95 len = 32;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	96 break;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	97
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	98 case NGX_CHACHA20_POLY1305_SHA256:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	99 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	100 ciphers->c = EVP_aead_chacha20_poly1305();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	101 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	102 ciphers->c = EVP_chacha20_poly1305();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	103 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	104 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	105 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	106 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	107 ciphers->hp = EVP_chacha20();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	108 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	109 ciphers->d = EVP_sha256();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	110 len = 32;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	111 break;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	112
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	113 default:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	114 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	115 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	116
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	117 return len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	118 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	119
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	120
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	121 ngx_int_t
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	122 ngx_quic_set_initial_secret(ngx_pool_t pool, ngx_quic_secret_t client,
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	123 ngx_quic_secret_t server, ngx_str_t secret)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	124 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	125 size_t is_len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	126 uint8_t is[SHA256_DIGEST_LENGTH];
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	127 ngx_uint_t i;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	128 const EVP_MD *digest;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	129 const EVP_CIPHER *cipher;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	130
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	131 static const uint8_t salt[20] =
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	132 "\xc3\xee\xf7\x12\xc7\x2e\xbb\x5a\x11\xa7"
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	133 "\xd2\x43\x2b\xb4\x63\x65\xbe\xf9\xf5\x02";
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	134
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	135 /* AEAD_AES_128_GCM prior to handshake, quic-tls-23#section-5.3 */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	136
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	137 cipher = EVP_aes_128_gcm();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	138 digest = EVP_sha256();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	139
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	140 if (ngx_hkdf_extract(is, &is_len, digest, secret->data, secret->len,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	141 salt, sizeof(salt))
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	142 != NGX_OK)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	143 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	144 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	145 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	146
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	147 ngx_str_t iss = {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	148 .data = is,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	149 .len = is_len
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	150 };
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	151
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	152 ngx_quic_hexdump0(pool->log, "salt", salt, sizeof(salt));
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	153 ngx_quic_hexdump0(pool->log, "initial secret", is, is_len);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	154
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	155 /* draft-ietf-quic-tls-23#section-5.2 */
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	156 client->secret.len = SHA256_DIGEST_LENGTH;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	157 server->secret.len = SHA256_DIGEST_LENGTH;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	158
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	159 client->key.len = EVP_CIPHER_key_length(cipher);
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	160 server->key.len = EVP_CIPHER_key_length(cipher);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	161
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	162 client->hp.len = EVP_CIPHER_key_length(cipher);
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	163 server->hp.len = EVP_CIPHER_key_length(cipher);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	164
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	165 client->iv.len = EVP_CIPHER_iv_length(cipher);
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	166 server->iv.len = EVP_CIPHER_iv_length(cipher);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	167
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	168 struct {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	169 ngx_str_t label;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	170 ngx_str_t *key;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	171 ngx_str_t *prk;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	172 } seq[] = {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	173
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	174 /* draft-ietf-quic-tls-23#section-5.2 */
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	175 { ngx_string("tls13 client in"), &client->secret, &iss },
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	176 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	177 ngx_string("tls13 quic key"),
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	178 &client->key,
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	179 &client->secret,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	180 },
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	181 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	182 ngx_string("tls13 quic iv"),
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	183 &client->iv,
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	184 &client->secret,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	185 },
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	186 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	187 /* AEAD_AES_128_GCM prior to handshake, quic-tls-23#section-5.4.1 */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	188 ngx_string("tls13 quic hp"),
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	189 &client->hp,
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	190 &client->secret,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	191 },
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	192 { ngx_string("tls13 server in"), &server->secret, &iss },
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	193 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	194 /* AEAD_AES_128_GCM prior to handshake, quic-tls-23#section-5.3 */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	195 ngx_string("tls13 quic key"),
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	196 &server->key,
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	197 &server->secret,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	198 },
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	199 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	200 ngx_string("tls13 quic iv"),
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	201 &server->iv,
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	202 &server->secret,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	203 },
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	204 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	205 /* AEAD_AES_128_GCM prior to handshake, quic-tls-23#section-5.4.1 */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	206 ngx_string("tls13 quic hp"),
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	207 &server->hp,
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	208 &server->secret,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	209 },
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	210
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	211 };
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	212
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	213 for (i = 0; i < (sizeof(seq) / sizeof(seq[0])); i++) {
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 if (ngx_quic_hkdf_expand(pool, digest, seq[i].key, &seq[i].label,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	216 seq[i].prk->data, seq[i].prk->len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	217 != NGX_OK)
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 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	220 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	221 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	222
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	223 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	224 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	225
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	226
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	227 static ngx_int_t
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	228 ngx_quic_hkdf_expand(ngx_pool_t pool, const EVP_MD digest, ngx_str_t *out,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	229 ngx_str_t label, const uint8_t prk, size_t prk_len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	230 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	231 size_t info_len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	232 uint8_t *p;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	233 uint8_t info[20];
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	234
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	235 if (out->data == NULL) {
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	236 out->data = ngx_pnalloc(pool, out->len);
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	237 if (out->data == NULL) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	238 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	239 }
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	240 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	241
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	242 info_len = 2 + 1 + label->len + 1;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	243
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	244 info[0] = 0;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	245 info[1] = out->len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	246 info[2] = label->len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	247 p = ngx_cpymem(&info[3], label->data, label->len);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	248 *p = '\0';
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	249
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	250 if (ngx_hkdf_expand(out->data, out->len, digest,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	251 prk, prk_len, info, info_len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	252 != NGX_OK)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	253 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	254 ngx_ssl_error(NGX_LOG_INFO, pool->log, 0,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	255 "ngx_hkdf_expand(%V) failed", label);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	256 return NGX_ERROR;
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 ngx_quic_hexdump(pool->log, "%V info", info, info_len, label);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	260 ngx_quic_hexdump(pool->log, "%V key", out->data, out->len, label);
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 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	263 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	264
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	265
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	266 static ngx_int_t
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	267 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	268 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	269 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	270 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	271 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	272 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	273 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	274 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	275 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	276 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	277
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	278 EVP_PKEY_CTX *pctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	279
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	280 pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	281
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	282 if (EVP_PKEY_derive_init(pctx) <= 0) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	283 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	284 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	285
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	286 if (EVP_PKEY_CTX_hkdf_mode(pctx, EVP_PKEY_HKDEF_MODE_EXPAND_ONLY) <= 0) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	287 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	288 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	289
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	290 if (EVP_PKEY_CTX_set_hkdf_md(pctx, digest) <= 0) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	291 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	292 }
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 if (EVP_PKEY_CTX_set1_hkdf_key(pctx, prk, prk_len) <= 0) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	295 return NGX_ERROR;
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 if (EVP_PKEY_CTX_add1_hkdf_info(pctx, info, info_len) <= 0) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	299 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	300 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	301
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	302 if (EVP_PKEY_derive(pctx, out_key, &out_len) <= 0) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	303 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	304 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	305
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	306 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	307
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	308 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	309 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	310
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	311
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	312 static ngx_int_t
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	313 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	314 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	315 size_t salt_len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	316 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	317 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	318 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	319 salt_len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	320 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	321 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	322 return NGX_ERROR;
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 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	325
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	326 EVP_PKEY_CTX *pctx;
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 pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	329
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	330 if (EVP_PKEY_derive_init(pctx) <= 0) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	331 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	332 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	333
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	334 if (EVP_PKEY_CTX_hkdf_mode(pctx, EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY) <= 0) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	335 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	336 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	337
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	338 if (EVP_PKEY_CTX_set_hkdf_md(pctx, digest) <= 0) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	339 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	340 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	341
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	342 if (EVP_PKEY_CTX_set1_hkdf_key(pctx, secret, secret_len) <= 0) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	343 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	344 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	345
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	346 if (EVP_PKEY_CTX_set1_hkdf_salt(pctx, salt, salt_len) <= 0) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	347 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	348 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	349
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	350 if (EVP_PKEY_derive(pctx, out_key, out_len) <= 0) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	351 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	352 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	353
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	354 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	355
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	356 return NGX_OK;
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
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	360 static ngx_int_t
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	361 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	362 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	363 ngx_log_t *log)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	364 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	365
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	366 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	367 EVP_AEAD_CTX *ctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	368
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	369 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	370 EVP_AEAD_DEFAULT_TAG_LENGTH);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	371 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	372 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	373 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	374 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	375
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	376 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	377 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	378 != 1)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	379 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	380 EVP_AEAD_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	381 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	382 return NGX_ERROR;
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
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	385 EVP_AEAD_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	386 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	387 int len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	388 u_char *tag;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	389 EVP_CIPHER_CTX *ctx;
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 ctx = EVP_CIPHER_CTX_new();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	392 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	393 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	394 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	395 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	396
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	397 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	398 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	399 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	400 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	401 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	402
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	403 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	404 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	405 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	406 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	407 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	408 "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	409 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	410 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	411
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	412 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	413 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	414 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	415 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	416 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	417
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	418 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	419 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	420 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	421 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	422 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	423
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	424 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	425 in->len - EVP_GCM_TLS_TAG_LEN)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	426 != 1)
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 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	429 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	430 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	431 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	432
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	433 out->len = len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	434 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	435
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	436 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	437 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	438 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	439 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	440 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	441 "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	442 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	443 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	444
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	445 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	446 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	447 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	448 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	449 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	450
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	451 out->len += len;
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 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	454 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	455
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	456 return NGX_OK;
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
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	460 static ngx_int_t
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	461 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	462 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	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 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	466 EVP_AEAD_CTX *ctx;
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 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	469 EVP_AEAD_DEFAULT_TAG_LENGTH);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	470 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	471 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_AEAD_CTX_new() failed");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	472 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	473 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	474
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	475 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	476 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	477 != 1)
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 EVP_AEAD_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	480 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	481 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	482 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	483
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	484 EVP_AEAD_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	485 #else
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	486 int len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	487 EVP_CIPHER_CTX *ctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	488
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	489 ctx = EVP_CIPHER_CTX_new();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	490 if (ctx == NULL) {
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_CIPHER_CTX_new() 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 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	496 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	497 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	498 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	499 }
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 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	502 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	503 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	504 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	505 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	506 "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	507 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	508 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	509
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	510 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	511 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	512 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	513 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	514 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	515
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	516 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	517 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	518 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	519 return NGX_ERROR;
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 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	523 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	524 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	525 return NGX_ERROR;
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
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	528 out->len = len;
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 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	531 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	532 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	533 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	534 }
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 out->len += len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	537
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	538 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	539 out->data + in->len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	540 == 0)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	541 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	542 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	543 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	544 "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	545 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	546 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	547
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	548 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	549
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	550 out->len += EVP_GCM_TLS_TAG_LEN;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	551 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	552 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	553 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	554
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	555
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	556 static ngx_int_t
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	557 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	558 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	559 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	560 int outlen;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	561 EVP_CIPHER_CTX *ctx;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	562 u_char zero[5] = {0};
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	563
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	564 #ifdef OPENSSL_IS_BORINGSSL
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	565 uint32_t counter;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	566
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	567 ngx_memcpy(&counter, in, sizeof(uint32_t));
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	568
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	569 if (cipher == (const EVP_CIPHER *) EVP_aead_chacha20_poly1305()) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	570 CRYPTO_chacha_20(out, zero, 5, s->hp.data, &in[4], counter);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	571 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	572 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	573 #endif
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	574
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	575 ctx = EVP_CIPHER_CTX_new();
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	576 if (ctx == NULL) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	577 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	578 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	579
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	580 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	581 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	582 goto failed;
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
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	585 if (!EVP_EncryptUpdate(ctx, out, &outlen, zero, 5)) {
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 goto failed;
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 if (!EVP_EncryptFinal_ex(ctx, out + 5, &outlen)) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	591 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	592 goto failed;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	593 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	594
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	595 EVP_CIPHER_CTX_free(ctx);
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 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	598
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	599 failed:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	600
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	601 EVP_CIPHER_CTX_free(ctx);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	602
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	603 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	604 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	605
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	606
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	607 int
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	608 ngx_quic_set_encryption_secret(ngx_pool_t pool, ngx_ssl_conn_t ssl_conn,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	609 enum ssl_encryption_level_t level, const uint8_t *secret,
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	610 size_t secret_len, ngx_quic_secret_t *peer_secret)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	611 {
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	612 ngx_int_t key_len;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	613 ngx_uint_t i;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	614 ngx_quic_ciphers_t ciphers;
8221 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 key_len = ngx_quic_ciphers(ssl_conn, &ciphers, level);
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 if (key_len == NGX_ERROR) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	619 ngx_ssl_error(NGX_LOG_INFO, pool->log, 0, "unexpected cipher");
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	620 return 0;
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
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8303 diff changeset	623 if (level == ssl_encryption_initial) {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	624 return 0;
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
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	627 peer_secret->secret.data = ngx_pnalloc(pool, secret_len);
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	628 if (peer_secret->secret.data == NULL) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	629 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	630 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	631
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	632 peer_secret->secret.len = secret_len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	633 ngx_memcpy(peer_secret->secret.data, secret, secret_len);
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	634
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	635 peer_secret->key.len = key_len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	636 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	637 peer_secret->hp.len = key_len;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	638
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	639 struct {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	640 ngx_str_t label;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	641 ngx_str_t *key;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	642 const uint8_t *secret;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	643 } seq[] = {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	644 { ngx_string("tls13 quic key"), &peer_secret->key, secret },
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	645 { ngx_string("tls13 quic iv"), &peer_secret->iv, secret },
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	646 { ngx_string("tls13 quic hp"), &peer_secret->hp, secret },
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	647 };
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	648
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	649 for (i = 0; i < (sizeof(seq) / sizeof(seq[0])); i++) {
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 if (ngx_quic_hkdf_expand(pool, ciphers.d, seq[i].key, &seq[i].label,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	652 seq[i].secret, secret_len)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	653 != NGX_OK)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	654 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	655 return 0;
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 }
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 1;
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
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	662
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	663 ngx_int_t
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	664 ngx_quic_key_update(ngx_connection_t c, ngx_quic_secrets_t current,
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	665 ngx_quic_secrets_t *next)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	666 {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	667 ngx_uint_t i;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	668 ngx_quic_ciphers_t ciphers;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	669
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	670 ngx_log_debug(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic key update");
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	671
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	672 if (ngx_quic_ciphers(c->ssl->connection, &ciphers,
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	673 ssl_encryption_application)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	674 == NGX_ERROR)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	675 {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	676 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	677 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	678
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	679 next->client.secret.len = current->client.secret.len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	680 next->client.key.len = current->client.key.len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	681 next->client.iv.len = current->client.iv.len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	682 next->client.hp = current->client.hp;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	683
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	684 next->server.secret.len = current->server.secret.len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	685 next->server.key.len = current->server.key.len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	686 next->server.iv.len = current->server.iv.len;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	687 next->server.hp = current->server.hp;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	688
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	689 struct {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	690 ngx_str_t label;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	691 ngx_str_t *key;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	692 ngx_str_t *secret;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	693 } seq[] = {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	694 {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	695 ngx_string("tls13 quic ku"),
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	696 &next->client.secret,
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	697 &current->client.secret,
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	698 },
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	699 {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	700 ngx_string("tls13 quic key"),
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	701 &next->client.key,
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	702 &next->client.secret,
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	703 },
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	704 {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	705 ngx_string("tls13 quic iv"),
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	706 &next->client.iv,
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	707 &next->client.secret,
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	708 },
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	709 {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	710 ngx_string("tls13 quic ku"),
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	711 &next->server.secret,
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	712 &current->server.secret,
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	713 },
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	714 {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	715 ngx_string("tls13 quic key"),
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	716 &next->server.key,
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	717 &next->server.secret,
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	718 },
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	719 {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	720 ngx_string("tls13 quic iv"),
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	721 &next->server.iv,
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	722 &next->server.secret,
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	723 },
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	724 };
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	725
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	726 for (i = 0; i < (sizeof(seq) / sizeof(seq[0])); i++) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	727
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	728 if (ngx_quic_hkdf_expand(c->pool, ciphers.d, seq[i].key, &seq[i].label,
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	729 seq[i].secret->data, seq[i].secret->len)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	730 != NGX_OK)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	731 {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	732 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	733 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	734 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	735
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	736 return NGX_OK;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	737 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	738
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	739
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	740 static ssize_t
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	741 ngx_quic_create_long_packet(ngx_quic_header_t pkt, ngx_ssl_conn_t ssl_conn,
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	742 ngx_str_t *res)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	743 {
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	744 u_char pnp, sample;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	745 ngx_str_t ad, out;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	746 ngx_uint_t i;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	747 ngx_quic_ciphers_t ciphers;
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	748 u_char nonce[12], mask[16];
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	749
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	750 out.len = pkt->payload.len + EVP_GCM_TLS_TAG_LEN;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	751
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	752 ad.data = res->data;
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	753 ad.len = ngx_quic_create_long_header(pkt, ad.data, out.len, &pnp);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	754
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	755 out.data = res->data + ad.len;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	756
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	757 ngx_quic_hexdump0(pkt->log, "ad", ad.data, ad.len);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	758
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	759 if (ngx_quic_ciphers(ssl_conn, &ciphers, pkt->level) == NGX_ERROR) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	760 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	761 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	762
8317 435fed8e2489 Logging of packet numbers in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8315 diff changeset	763 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, pkt->log, 0,
435fed8e2489 Logging of packet numbers in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8315 diff changeset	764 "ngx_quic_create_long_packet: number %L, encoded %d:0x%xD",
435fed8e2489 Logging of packet numbers in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8315 diff changeset	765 pkt->number, (int) pkt->num_len, pkt->trunc);
435fed8e2489 Logging of packet numbers in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8315 diff changeset	766
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	767 ngx_memcpy(nonce, pkt->secret->iv.data, pkt->secret->iv.len);
8310 7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	768 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	769
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	770 ngx_quic_hexdump0(pkt->log, "server_iv", pkt->secret->iv.data, 12);
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	771 ngx_quic_hexdump0(pkt->log, "nonce", nonce, 12);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	772
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	773 if (ngx_quic_tls_seal(ciphers.c, pkt->secret, &out,
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	774 nonce, &pkt->payload, &ad, pkt->log)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	775 != NGX_OK)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	776 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	777 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	778 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	779
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	780 sample = &out.data[4 - pkt->num_len];
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	781 if (ngx_quic_tls_hp(pkt->log, ciphers.hp, pkt->secret, mask, sample)
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	782 != NGX_OK)
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	783 {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	784 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	785 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	786
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	787 ngx_quic_hexdump0(pkt->log, "sample", sample, 16);
8318 1bb5e8538d0c Removed excessive debugging in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8317 diff changeset	788 ngx_quic_hexdump0(pkt->log, "mask", mask, 5);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	789
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	790 /* quic-tls: 5.4.1. Header Protection Application */
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	791 ad.data[0] ^= mask[0] & 0x0f;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	792
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	793 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	794 pnp[i] ^= mask[i + 1];
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	795 }
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	796
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	797 res->len = ad.len + out.len;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	798
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	799 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	800 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	801
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	802
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	803 static ssize_t
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	804 ngx_quic_create_short_packet(ngx_quic_header_t pkt, ngx_ssl_conn_t ssl_conn,
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	805 ngx_str_t *res)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	806 {
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	807 u_char pnp, sample;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	808 ngx_str_t ad, out;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	809 ngx_uint_t i;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	810 ngx_quic_ciphers_t ciphers;
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	811 u_char nonce[12], mask[16];
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	812
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	813 out.len = pkt->payload.len + EVP_GCM_TLS_TAG_LEN;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	814
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	815 ad.data = res->data;
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	816 ad.len = ngx_quic_create_short_header(pkt, ad.data, out.len, &pnp);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	817
8318 1bb5e8538d0c Removed excessive debugging in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8317 diff changeset	818 out.data = res->data + ad.len;
1bb5e8538d0c Removed excessive debugging in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8317 diff changeset	819
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	820 ngx_quic_hexdump0(pkt->log, "ad", ad.data, ad.len);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	821
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	822 if (ngx_quic_ciphers(ssl_conn, &ciphers, pkt->level) == NGX_ERROR) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	823 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	824 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	825
8317 435fed8e2489 Logging of packet numbers in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8315 diff changeset	826 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, pkt->log, 0,
435fed8e2489 Logging of packet numbers in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8315 diff changeset	827 "ngx_quic_create_short_packet: number %L, encoded %d:0x%xD",
435fed8e2489 Logging of packet numbers in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8315 diff changeset	828 pkt->number, (int) pkt->num_len, pkt->trunc);
435fed8e2489 Logging of packet numbers in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8315 diff changeset	829
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	830 ngx_memcpy(nonce, pkt->secret->iv.data, pkt->secret->iv.len);
8310 7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	831 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	832
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	833 ngx_quic_hexdump0(pkt->log, "server_iv", pkt->secret->iv.data, 12);
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	834 ngx_quic_hexdump0(pkt->log, "nonce", nonce, 12);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	835
8318 1bb5e8538d0c Removed excessive debugging in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8317 diff changeset	836 if (ngx_quic_tls_seal(ciphers.c, pkt->secret, &out,
1bb5e8538d0c Removed excessive debugging in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8317 diff changeset	837 nonce, &pkt->payload, &ad, pkt->log)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	838 != NGX_OK)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	839 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	840 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	841 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	842
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	843 sample = &out.data[4 - pkt->num_len];
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	844 if (ngx_quic_tls_hp(pkt->log, ciphers.hp, pkt->secret, mask, sample)
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	845 != NGX_OK)
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	846 {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	847 return NGX_ERROR;
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
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	850 ngx_quic_hexdump0(pkt->log, "sample", sample, 16);
8318 1bb5e8538d0c Removed excessive debugging in QUIC packet creation. Sergey Kandaurov <pluknet@nginx.com> parents: 8317 diff changeset	851 ngx_quic_hexdump0(pkt->log, "mask", mask, 5);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	852
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	853 /* quic-tls: 5.4.1. Header Protection Application */
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	854 ad.data[0] ^= mask[0] & 0x1f;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	855
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	856 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	857 pnp[i] ^= mask[i + 1];
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8313 diff changeset	858 }
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	859
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	860 res->len = ad.len + out.len;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	861
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	862 return NGX_OK;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	863 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	864
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	865
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	866 static uint64_t
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	867 ngx_quic_parse_pn(u_char *pos, ngx_int_t len, u_char mask)
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	868 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	869 u_char *p;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	870 uint64_t value;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	871
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	872 p = *pos;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	873 value = p++ ^ mask++;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	874
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	875 while (--len) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	876 value = (value << 8) + (p++ ^ mask++);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	877 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	878
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	879 *pos = p;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	880 return value;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	881 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	882
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	883
8310 7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	884 static void
7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	885 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	886 {
8313 c625bde6cb77 Fixed computing nonce again, by properly shifting packet number. Sergey Kandaurov <pluknet@nginx.com> parents: 8310 diff changeset	887 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	888 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	889 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	890 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	891 }
7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	892
7ac890c18f5e Fixed computing nonce by xoring all packet number bytes. Sergey Kandaurov <pluknet@nginx.com> parents: 8307 diff changeset	893
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	894 ssize_t
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	895 ngx_quic_encrypt(ngx_quic_header_t pkt, ngx_ssl_conn_t ssl_conn,
f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	896 ngx_str_t *res)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	897 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	898 if (pkt->level == ssl_encryption_application) {
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	899 return ngx_quic_create_short_packet(pkt, ssl_conn, res);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	900 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	901
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8265 diff changeset	902 return ngx_quic_create_long_packet(pkt, ssl_conn, res);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	903 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	904
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	905
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	906 ngx_int_t
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	907 ngx_quic_decrypt(ngx_quic_header_t pkt, ngx_ssl_conn_t ssl_conn)
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	908 {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	909 u_char clearflags, p, sample;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	910 uint64_t pn;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	911 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	912 ngx_str_t in, ad;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	913 ngx_quic_secret_t *secret;
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	914 ngx_quic_ciphers_t ciphers;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	915 uint8_t mask[16], nonce[12];
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	916
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	917 if (ngx_quic_ciphers(ssl_conn, &ciphers, pkt->level) == NGX_ERROR) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	918 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	919 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	920
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	921 secret = pkt->secret;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	922
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	923 p = pkt->raw->pos;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	924
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	925 /* draft-ietf-quic-tls-23#section-5.4.2:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	926 * the Packet Number field is assumed to be 4 bytes long
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	927 * draft-ietf-quic-tls-23#section-5.4.[34]:
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	928 * AES-Based and ChaCha20-Based header protections sample 16 bytes
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	929 */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	930
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	931 sample = p + 4;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	932
8287 ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	933 ngx_quic_hexdump0(pkt->log, "sample", sample, 16);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	934
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	935 /* header protection */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	936
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	937 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	938 != NGX_OK)
ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	939 {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	940 return NGX_ERROR;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	941 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	942
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	943 if (ngx_quic_long_pkt(pkt->flags)) {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	944 clearflags = pkt->flags ^ (mask[0] & 0x0f);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	945
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	946 } else {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	947 clearflags = pkt->flags ^ (mask[0] & 0x1f);
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	948 key_phase = (clearflags & NGX_QUIC_PKT_KPHASE) != 0;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	949
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	950 if (key_phase != pkt->key_phase) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	951 secret = pkt->next;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	952 pkt->key_update = 1;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	953 }
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	954 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	955
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	956 pnl = (clearflags & 0x03) + 1;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	957 pn = ngx_quic_parse_pn(&p, pnl, &mask[1]);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	958
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	959 pkt->pn = pn;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	960
8287 ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	961 ngx_quic_hexdump0(pkt->log, "mask", mask, 5);
ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	962 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pkt->log, 0,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	963 "quic clear flags: %xi", clearflags);
8287 ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	964 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	965 "quic packet number: %uL, len: %xi", pn, pnl);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	966
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	967 /* packet protection */
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	968
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	969 in.data = p;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	970
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	971 if (ngx_quic_long_pkt(pkt->flags)) {
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	972 in.len = pkt->len - pnl;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	973
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	974 } else {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	975 in.len = pkt->data + pkt->len - p;
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	976 }
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	977
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	978 ad.len = p - pkt->data;
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	979 ad.data = pkt->plaintext;
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 ngx_memcpy(ad.data, pkt->data, ad.len);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	982 ad.data[0] = clearflags;
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 do {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	985 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	986 } while (--pnl);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	987
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	988 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	989 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	990
8287 ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	991 ngx_quic_hexdump0(pkt->log, "nonce", nonce, 12);
ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	992 ngx_quic_hexdump0(pkt->log, "ad", ad.data, ad.len);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	993
8288 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	994 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	995
ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	996 if (NGX_QUIC_DEFAULT_MAX_PACKET_SIZE - ad.len < pkt->payload.len) {
ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	997 return NGX_ERROR;
ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	998 }
ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	999
ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	1000 pkt->payload.data = pkt->plaintext + ad.len;
ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 8287 diff changeset	1001
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8318 diff changeset	1002 rc = ngx_quic_tls_open(ciphers.c, secret, &pkt->payload,
8287 ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	1003 nonce, &in, &ad, pkt->log);
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1004
8287 ccb9cc95ad5e Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8285 diff changeset	1005 ngx_quic_hexdump0(pkt->log, "packet payload",
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1006 pkt->payload.data, pkt->payload.len);
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1007
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: diff changeset	1008 return rc;
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

Mercurial > hg > nginx

annotate src/event/ngx_event_quic_protection.c @ 8319:29354c6fc5f2 quic