Mercurial > hg > nginx
annotate src/event/ngx_event_quic_protection.c @ 8536:c6b963de0c00 quic
QUIC: pass return code from ngx_quic_decrypt() to the caller.
It is required to distinguish internal errors from corrupted packets and
perform actions accordingly: drop the packet or close the connection.
While there, made processing of ngx_quic_decrypt() erorrs similar and
removed couple of protocol violation errors.
author | Vladimir Homutov <vl@nginx.com> |
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date | Wed, 02 Sep 2020 22:34:15 +0300 |
parents | b13141d6d250 |
children | d3489d225f8f |
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1 |
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2 /* |
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3 * Copyright (C) Nginx, Inc. |
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 #include <ngx_event_quic_transport.h> |
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11 #include <ngx_event_quic_protection.h> |
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12 |
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13 |
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14 #define NGX_QUIC_IV_LEN 12 |
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15 |
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16 #define NGX_AES_128_GCM_SHA256 0x1301 |
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17 #define NGX_AES_256_GCM_SHA384 0x1302 |
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18 #define NGX_CHACHA20_POLY1305_SHA256 0x1303 |
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19 |
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20 |
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21 #ifdef OPENSSL_IS_BORINGSSL |
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22 #define ngx_quic_cipher_t EVP_AEAD |
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23 #else |
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24 #define ngx_quic_cipher_t EVP_CIPHER |
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25 #endif |
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26 |
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27 typedef struct { |
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28 const ngx_quic_cipher_t *c; |
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29 const EVP_CIPHER *hp; |
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30 const EVP_MD *d; |
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31 } ngx_quic_ciphers_t; |
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32 |
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33 |
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34 static ngx_int_t ngx_hkdf_expand(u_char *out_key, size_t out_len, |
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35 const EVP_MD *digest, const u_char *prk, size_t prk_len, |
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36 const u_char *info, size_t info_len); |
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37 static ngx_int_t ngx_hkdf_extract(u_char *out_key, size_t *out_len, |
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38 const EVP_MD *digest, const u_char *secret, size_t secret_len, |
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39 const u_char *salt, size_t salt_len); |
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40 |
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41 static uint64_t ngx_quic_parse_pn(u_char **pos, ngx_int_t len, u_char *mask, |
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42 uint64_t *largest_pn); |
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43 static void ngx_quic_compute_nonce(u_char *nonce, size_t len, uint64_t pn); |
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44 static ngx_int_t ngx_quic_ciphers(ngx_ssl_conn_t *ssl_conn, |
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45 ngx_quic_ciphers_t *ciphers, enum ssl_encryption_level_t level); |
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46 |
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47 static ngx_int_t ngx_quic_tls_open(const ngx_quic_cipher_t *cipher, |
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48 ngx_quic_secret_t *s, ngx_str_t *out, u_char *nonce, ngx_str_t *in, |
8287 | 49 ngx_str_t *ad, ngx_log_t *log); |
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50 static ngx_int_t ngx_quic_tls_seal(const ngx_quic_cipher_t *cipher, |
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51 ngx_quic_secret_t *s, ngx_str_t *out, u_char *nonce, ngx_str_t *in, |
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52 ngx_str_t *ad, ngx_log_t *log); |
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53 static ngx_int_t ngx_quic_tls_hp(ngx_log_t *log, const EVP_CIPHER *cipher, |
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54 ngx_quic_secret_t *s, u_char *out, u_char *in); |
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55 static ngx_int_t ngx_quic_hkdf_expand(ngx_pool_t *pool, const EVP_MD *digest, |
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56 ngx_str_t *out, ngx_str_t *label, const uint8_t *prk, size_t prk_len); |
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57 |
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58 static ngx_int_t ngx_quic_create_long_packet(ngx_quic_header_t *pkt, |
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59 ngx_ssl_conn_t *ssl_conn, ngx_str_t *res); |
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60 static ngx_int_t ngx_quic_create_short_packet(ngx_quic_header_t *pkt, |
8299 | 61 ngx_ssl_conn_t *ssl_conn, ngx_str_t *res); |
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62 static ngx_int_t ngx_quic_create_retry_packet(ngx_quic_header_t *pkt, |
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63 ngx_str_t *res); |
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64 |
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65 |
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66 static ngx_int_t |
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67 ngx_quic_ciphers(ngx_ssl_conn_t *ssl_conn, ngx_quic_ciphers_t *ciphers, |
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68 enum ssl_encryption_level_t level) |
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69 { |
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70 ngx_int_t id, len; |
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71 const SSL_CIPHER *cipher; |
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72 |
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73 if (level == ssl_encryption_initial) { |
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74 id = NGX_AES_128_GCM_SHA256; |
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75 |
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76 } else { |
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77 cipher = SSL_get_current_cipher(ssl_conn); |
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78 if (cipher == NULL) { |
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79 return NGX_ERROR; |
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80 } |
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81 |
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82 id = SSL_CIPHER_get_id(cipher) & 0xffff; |
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83 } |
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84 |
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85 switch (id) { |
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86 |
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87 case NGX_AES_128_GCM_SHA256: |
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88 #ifdef OPENSSL_IS_BORINGSSL |
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89 ciphers->c = EVP_aead_aes_128_gcm(); |
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90 #else |
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91 ciphers->c = EVP_aes_128_gcm(); |
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92 #endif |
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93 ciphers->hp = EVP_aes_128_ctr(); |
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94 ciphers->d = EVP_sha256(); |
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95 len = 16; |
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96 break; |
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97 |
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98 case NGX_AES_256_GCM_SHA384: |
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99 #ifdef OPENSSL_IS_BORINGSSL |
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100 ciphers->c = EVP_aead_aes_256_gcm(); |
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101 #else |
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102 ciphers->c = EVP_aes_256_gcm(); |
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103 #endif |
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104 ciphers->hp = EVP_aes_256_ctr(); |
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105 ciphers->d = EVP_sha384(); |
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106 len = 32; |
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107 break; |
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108 |
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109 case NGX_CHACHA20_POLY1305_SHA256: |
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110 #ifdef OPENSSL_IS_BORINGSSL |
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111 ciphers->c = EVP_aead_chacha20_poly1305(); |
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112 #else |
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113 ciphers->c = EVP_chacha20_poly1305(); |
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114 #endif |
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115 #ifdef OPENSSL_IS_BORINGSSL |
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116 ciphers->hp = (const EVP_CIPHER *) EVP_aead_chacha20_poly1305(); |
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117 #else |
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118 ciphers->hp = EVP_chacha20(); |
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119 #endif |
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120 ciphers->d = EVP_sha256(); |
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121 len = 32; |
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122 break; |
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123 |
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124 default: |
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125 return NGX_ERROR; |
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126 } |
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127 |
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128 return len; |
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129 } |
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130 |
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131 |
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132 ngx_int_t |
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133 ngx_quic_set_initial_secret(ngx_pool_t *pool, ngx_quic_secret_t *client, |
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134 ngx_quic_secret_t *server, ngx_str_t *secret) |
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135 { |
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136 size_t is_len; |
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137 uint8_t is[SHA256_DIGEST_LENGTH]; |
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138 ngx_uint_t i; |
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139 const EVP_MD *digest; |
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140 const EVP_CIPHER *cipher; |
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141 |
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142 static const uint8_t salt[20] = |
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143 #if (NGX_QUIC_DRAFT_VERSION >= 29) |
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144 "\xaf\xbf\xec\x28\x99\x93\xd2\x4c\x9e\x97" |
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145 "\x86\xf1\x9c\x61\x11\xe0\x43\x90\xa8\x99"; |
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146 #else |
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147 "\xc3\xee\xf7\x12\xc7\x2e\xbb\x5a\x11\xa7" |
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148 "\xd2\x43\x2b\xb4\x63\x65\xbe\xf9\xf5\x02"; |
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149 #endif |
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150 |
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151 /* AEAD_AES_128_GCM prior to handshake, quic-tls-23#section-5.3 */ |
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152 |
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153 cipher = EVP_aes_128_gcm(); |
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154 digest = EVP_sha256(); |
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155 |
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156 if (ngx_hkdf_extract(is, &is_len, digest, secret->data, secret->len, |
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157 salt, sizeof(salt)) |
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158 != NGX_OK) |
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159 { |
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160 return NGX_ERROR; |
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|
161 } |
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162 |
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163 ngx_str_t iss = { |
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|
164 .data = is, |
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165 .len = is_len |
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166 }; |
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167 |
8359 | 168 #ifdef NGX_QUIC_DEBUG_CRYPTO |
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169 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, pool->log, 0, |
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170 "quic ngx_quic_set_initial_secret"); |
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171 ngx_quic_hexdump(pool->log, "quic salt", salt, sizeof(salt)); |
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|
172 ngx_quic_hexdump(pool->log, "quic initial secret", is, is_len); |
8359 | 173 #endif |
8221
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174 |
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175 /* draft-ietf-quic-tls-23#section-5.2 */ |
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176 client->secret.len = SHA256_DIGEST_LENGTH; |
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177 server->secret.len = SHA256_DIGEST_LENGTH; |
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178 |
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179 client->key.len = EVP_CIPHER_key_length(cipher); |
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Refactored QUIC secrets storage.
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180 server->key.len = EVP_CIPHER_key_length(cipher); |
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181 |
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diff
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|
182 client->hp.len = EVP_CIPHER_key_length(cipher); |
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183 server->hp.len = EVP_CIPHER_key_length(cipher); |
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184 |
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185 client->iv.len = EVP_CIPHER_iv_length(cipher); |
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|
186 server->iv.len = EVP_CIPHER_iv_length(cipher); |
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187 |
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parents:
diff
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|
188 struct { |
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parents:
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|
189 ngx_str_t label; |
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parents:
diff
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|
190 ngx_str_t *key; |
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parents:
diff
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|
191 ngx_str_t *prk; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
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|
192 } seq[] = { |
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parents:
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|
193 |
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parents:
diff
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|
194 /* draft-ietf-quic-tls-23#section-5.2 */ |
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195 { ngx_string("tls13 client in"), &client->secret, &iss }, |
8221
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196 { |
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changeset
|
197 ngx_string("tls13 quic key"), |
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198 &client->key, |
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199 &client->secret, |
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changeset
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200 }, |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
201 { |
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parents:
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changeset
|
202 ngx_string("tls13 quic iv"), |
8306
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|
203 &client->iv, |
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parents:
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changeset
|
204 &client->secret, |
8221
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
205 }, |
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Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
206 { |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
207 /* AEAD_AES_128_GCM prior to handshake, quic-tls-23#section-5.4.1 */ |
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parents:
diff
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|
208 ngx_string("tls13 quic hp"), |
8306
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|
209 &client->hp, |
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Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
210 &client->secret, |
8221
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parents:
diff
changeset
|
211 }, |
8306
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parents:
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212 { ngx_string("tls13 server in"), &server->secret, &iss }, |
8221
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parents:
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213 { |
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parents:
diff
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|
214 /* AEAD_AES_128_GCM prior to handshake, quic-tls-23#section-5.3 */ |
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parents:
diff
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|
215 ngx_string("tls13 quic key"), |
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parents:
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|
216 &server->key, |
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Vladimir Homutov <vl@nginx.com>
parents:
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|
217 &server->secret, |
8221
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218 }, |
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parents:
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changeset
|
219 { |
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changeset
|
220 ngx_string("tls13 quic iv"), |
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221 &server->iv, |
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Vladimir Homutov <vl@nginx.com>
parents:
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|
222 &server->secret, |
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|
223 }, |
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Vladimir Homutov <vl@nginx.com>
parents:
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changeset
|
224 { |
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parents:
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|
225 /* AEAD_AES_128_GCM prior to handshake, quic-tls-23#section-5.4.1 */ |
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|
226 ngx_string("tls13 quic hp"), |
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|
227 &server->hp, |
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parents:
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|
228 &server->secret, |
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|
229 }, |
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parents:
diff
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|
230 |
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parents:
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changeset
|
231 }; |
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parents:
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|
232 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
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|
233 for (i = 0; i < (sizeof(seq) / sizeof(seq[0])); i++) { |
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parents:
diff
changeset
|
234 |
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parents:
diff
changeset
|
235 if (ngx_quic_hkdf_expand(pool, digest, seq[i].key, &seq[i].label, |
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parents:
diff
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|
236 seq[i].prk->data, seq[i].prk->len) |
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parents:
diff
changeset
|
237 != NGX_OK) |
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parents:
diff
changeset
|
238 { |
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parents:
diff
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|
239 return NGX_ERROR; |
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parents:
diff
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|
240 } |
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parents:
diff
changeset
|
241 } |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
242 |
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parents:
diff
changeset
|
243 return NGX_OK; |
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parents:
diff
changeset
|
244 } |
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parents:
diff
changeset
|
245 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
246 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
247 static ngx_int_t |
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parents:
diff
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|
248 ngx_quic_hkdf_expand(ngx_pool_t *pool, const EVP_MD *digest, ngx_str_t *out, |
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Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
249 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
|
250 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
251 size_t info_len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
252 uint8_t *p; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
253 uint8_t info[20]; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
254 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
255 if (out->data == NULL) { |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
256 out->data = ngx_pnalloc(pool, out->len); |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
257 if (out->data == NULL) { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
258 return NGX_ERROR; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
259 } |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
260 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
261 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
262 info_len = 2 + 1 + label->len + 1; |
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 info[0] = 0; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
265 info[1] = out->len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
266 info[2] = label->len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
267 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
|
268 *p = '\0'; |
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 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
|
271 prk, prk_len, info, info_len) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
272 != NGX_OK) |
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 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
|
275 "ngx_hkdf_expand(%V) failed", label); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
276 return NGX_ERROR; |
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 |
8359 | 279 #ifdef NGX_QUIC_DEBUG_CRYPTO |
8525
64a484fd40a9
QUIC: stripped down debug traces that have served its purpose.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8486
diff
changeset
|
280 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pool->log, 0, "quic expand %V", label); |
8360
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
8359
diff
changeset
|
281 ngx_quic_hexdump(pool->log, "quic key", out->data, out->len); |
8359 | 282 #endif |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
283 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
284 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
285 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
286 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
287 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
288 static ngx_int_t |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
289 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
|
290 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
|
291 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
292 #ifdef OPENSSL_IS_BORINGSSL |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
293 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
|
294 == 0) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
295 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
296 return NGX_ERROR; |
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 #else |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
299 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
300 EVP_PKEY_CTX *pctx; |
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 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
|
303 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
304 if (EVP_PKEY_derive_init(pctx) <= 0) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
305 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
306 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
307 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
308 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
|
309 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
310 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
311 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
312 if (EVP_PKEY_CTX_set_hkdf_md(pctx, digest) <= 0) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
313 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
314 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
315 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
316 if (EVP_PKEY_CTX_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
|
317 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
318 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
319 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
320 if (EVP_PKEY_CTX_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
|
321 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
322 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
323 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
324 if (EVP_PKEY_derive(pctx, out_key, &out_len) <= 0) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
325 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
326 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
327 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
328 #endif |
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 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
331 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
332 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
333 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
334 static ngx_int_t |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
335 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
|
336 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
|
337 size_t salt_len) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
338 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
339 #ifdef OPENSSL_IS_BORINGSSL |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
340 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
|
341 salt_len) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
342 == 0) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
343 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
344 return NGX_ERROR; |
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 #else |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
347 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
348 EVP_PKEY_CTX *pctx; |
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 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
|
351 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
352 if (EVP_PKEY_derive_init(pctx) <= 0) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
353 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
354 } |
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 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
|
357 return NGX_ERROR; |
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 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
|
361 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
362 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
363 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
364 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
|
365 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
366 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
367 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
368 if (EVP_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
|
369 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
370 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
371 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
372 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
|
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 #endif |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
377 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
378 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
379 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
380 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
381 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
382 static ngx_int_t |
8288
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
8287
diff
changeset
|
383 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
|
384 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
|
385 ngx_log_t *log) |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
386 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
387 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
388 #ifdef OPENSSL_IS_BORINGSSL |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
389 EVP_AEAD_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_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
|
392 EVP_AEAD_DEFAULT_TAG_LENGTH); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
393 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
394 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
|
395 return NGX_ERROR; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
398 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
|
399 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
|
400 != 1) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
401 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
402 EVP_AEAD_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
403 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_AEAD_CTX_open() failed"); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
404 return NGX_ERROR; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
407 EVP_AEAD_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
408 #else |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
409 int len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
410 u_char *tag; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
411 EVP_CIPHER_CTX *ctx; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
412 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
413 ctx = EVP_CIPHER_CTX_new(); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
414 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
415 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
|
416 return NGX_ERROR; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
419 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
|
420 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
421 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
|
422 return NGX_ERROR; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
425 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
|
426 == 0) |
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, |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
430 "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
|
431 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
432 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
433 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
434 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
|
435 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
436 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
|
437 return NGX_ERROR; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
440 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
|
441 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
442 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
|
443 return NGX_ERROR; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
446 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
|
447 in->len - EVP_GCM_TLS_TAG_LEN) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
448 != 1) |
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 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
451 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
|
452 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
453 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
454 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
455 out->len = len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
456 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
|
457 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
458 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
|
459 == 0) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
460 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
461 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
462 ngx_ssl_error(NGX_LOG_INFO, log, 0, |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
463 "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
|
464 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
465 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
466 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
467 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
|
468 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
469 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_DecryptFinal_ex failed"); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
470 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
471 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
472 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
473 out->len += len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
474 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
475 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
476 #endif |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
477 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
478 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
479 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
480 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
481 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
482 static ngx_int_t |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
483 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
|
484 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
|
485 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
486 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
487 #ifdef OPENSSL_IS_BORINGSSL |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
488 EVP_AEAD_CTX *ctx; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
489 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
490 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
|
491 EVP_AEAD_DEFAULT_TAG_LENGTH); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
492 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
493 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
|
494 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
495 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
496 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
497 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
|
498 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
|
499 != 1) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
500 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
501 EVP_AEAD_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
502 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_AEAD_CTX_seal() failed"); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
503 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
504 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
505 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
506 EVP_AEAD_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
507 #else |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
508 int len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
509 EVP_CIPHER_CTX *ctx; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
510 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
511 ctx = EVP_CIPHER_CTX_new(); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
512 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
513 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
|
514 return NGX_ERROR; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
517 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
|
518 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
519 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
|
520 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
521 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
522 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
523 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
|
524 == 0) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
525 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
526 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
527 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
|
528 "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
|
529 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
530 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
531 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
532 if (EVP_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
|
533 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
534 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_EncryptInit_ex() failed"); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
535 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
536 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
537 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
538 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
|
539 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
540 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
|
541 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
542 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
543 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
544 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
|
545 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
546 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
|
547 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
548 } |
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 = len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
551 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
552 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
|
553 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
554 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
|
555 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
556 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
557 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
558 out->len += len; |
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 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
|
561 out->data + in->len) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
562 == 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 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
565 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
|
566 "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
|
567 return NGX_ERROR; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
570 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
571 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
572 out->len += EVP_GCM_TLS_TAG_LEN; |
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 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
575 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
576 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
577 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
578 static ngx_int_t |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
579 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
|
580 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
|
581 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
582 int outlen; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
583 EVP_CIPHER_CTX *ctx; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
584 u_char zero[5] = {0}; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
585 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
586 #ifdef OPENSSL_IS_BORINGSSL |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
587 uint32_t counter; |
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 ngx_memcpy(&counter, in, sizeof(uint32_t)); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
590 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
591 if (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
|
592 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
|
593 return NGX_OK; |
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 #endif |
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 ctx = EVP_CIPHER_CTX_new(); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
598 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
599 return NGX_ERROR; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
602 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
|
603 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
|
604 goto failed; |
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 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
|
608 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
|
609 goto failed; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
610 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
611 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
612 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
|
613 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
|
614 goto failed; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
615 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
616 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
617 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
618 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
619 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
620 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
621 failed: |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
622 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
623 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
624 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
625 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
626 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
627 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
628 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
629 int |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
630 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
|
631 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
|
632 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
|
633 { |
8306
058a5af7ddfc
Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents:
8303
diff
changeset
|
634 ngx_int_t key_len; |
058a5af7ddfc
Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents:
8303
diff
changeset
|
635 ngx_uint_t i; |
058a5af7ddfc
Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents:
8303
diff
changeset
|
636 ngx_quic_ciphers_t ciphers; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
637 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
638 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
|
639 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
640 if (key_len == NGX_ERROR) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
641 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
|
642 return 0; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
643 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
644 |
8306
058a5af7ddfc
Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents:
8303
diff
changeset
|
645 if (level == ssl_encryption_initial) { |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
646 return 0; |
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 |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
649 peer_secret->secret.data = ngx_pnalloc(pool, secret_len); |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
650 if (peer_secret->secret.data == NULL) { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
651 return NGX_ERROR; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
652 } |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
653 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
654 peer_secret->secret.len = secret_len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
655 ngx_memcpy(peer_secret->secret.data, secret, secret_len); |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
656 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
657 peer_secret->key.len = key_len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
658 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
|
659 peer_secret->hp.len = key_len; |
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 struct { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
662 ngx_str_t label; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
663 ngx_str_t *key; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
664 const uint8_t *secret; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
665 } seq[] = { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
666 { 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
|
667 { 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
|
668 { 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
|
669 }; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
670 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
671 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
|
672 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
673 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
|
674 seq[i].secret, secret_len) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
675 != NGX_OK) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
676 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
677 return 0; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
678 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
679 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
680 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
681 return 1; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
682 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
683 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
684 |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
685 ngx_int_t |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
686 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
|
687 ngx_quic_secrets_t *next) |
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 ngx_uint_t i; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
690 ngx_quic_ciphers_t ciphers; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
691 |
8360
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
8359
diff
changeset
|
692 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic key update"); |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
693 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
694 if (ngx_quic_ciphers(c->ssl->connection, &ciphers, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
695 ssl_encryption_application) |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
696 == NGX_ERROR) |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
697 { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
698 return NGX_ERROR; |
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 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
701 next->client.secret.len = current->client.secret.len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
702 next->client.key.len = current->client.key.len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
703 next->client.iv.len = current->client.iv.len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
704 next->client.hp = current->client.hp; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
705 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
706 next->server.secret.len = current->server.secret.len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
707 next->server.key.len = current->server.key.len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
708 next->server.iv.len = current->server.iv.len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
709 next->server.hp = current->server.hp; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
710 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
711 struct { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
712 ngx_str_t label; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
713 ngx_str_t *key; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
714 ngx_str_t *secret; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
715 } seq[] = { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
716 { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
717 ngx_string("tls13 quic ku"), |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
718 &next->client.secret, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
719 ¤t->client.secret, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
720 }, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
721 { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
722 ngx_string("tls13 quic key"), |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
723 &next->client.key, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
724 &next->client.secret, |
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 { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
727 ngx_string("tls13 quic iv"), |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
728 &next->client.iv, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
729 &next->client.secret, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
730 }, |
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 ngx_string("tls13 quic ku"), |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
733 &next->server.secret, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
734 ¤t->server.secret, |
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 { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
737 ngx_string("tls13 quic key"), |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
738 &next->server.key, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
739 &next->server.secret, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
740 }, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
741 { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
742 ngx_string("tls13 quic iv"), |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
743 &next->server.iv, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
744 &next->server.secret, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
745 }, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
746 }; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
747 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
748 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
|
749 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
750 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
|
751 seq[i].secret->data, seq[i].secret->len) |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
752 != NGX_OK) |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
753 { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
754 return NGX_ERROR; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
755 } |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
756 } |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
757 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
758 return NGX_OK; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
759 } |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
760 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
761 |
8376
2d0f4aa78ed6
Restored ngx_quic_encrypt return type.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8375
diff
changeset
|
762 static ngx_int_t |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
763 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
|
764 ngx_str_t *res) |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
765 { |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
766 u_char *pnp, *sample; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
767 ngx_str_t ad, out; |
8315
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
768 ngx_uint_t i; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
769 ngx_quic_ciphers_t ciphers; |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
770 u_char nonce[12], mask[16]; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
771 |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
772 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
|
773 |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
774 ad.data = res->data; |
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
775 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
|
776 |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
777 out.data = res->data + ad.len; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
778 |
8359 | 779 #ifdef NGX_QUIC_DEBUG_CRYPTO |
8360
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
8359
diff
changeset
|
780 ngx_quic_hexdump(pkt->log, "quic ad", ad.data, ad.len); |
8359 | 781 #endif |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
782 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
783 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
|
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_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
|
788 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
|
789 |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
790 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
|
791 nonce, &pkt->payload, &ad, pkt->log) |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
792 != NGX_OK) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
793 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
794 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
795 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
796 |
8315
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
797 sample = &out.data[4 - pkt->num_len]; |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
798 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
|
799 != NGX_OK) |
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
800 { |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
801 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
802 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
803 |
8315
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
804 /* 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
|
805 ad.data[0] ^= mask[0] & 0x0f; |
8315
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
806 |
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
807 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
|
808 pnp[i] ^= mask[i + 1]; |
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
809 } |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
810 |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
811 res->len = ad.len + out.len; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
812 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
813 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
814 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
815 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
816 |
8376
2d0f4aa78ed6
Restored ngx_quic_encrypt return type.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8375
diff
changeset
|
817 static ngx_int_t |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
818 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
|
819 ngx_str_t *res) |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
820 { |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
821 u_char *pnp, *sample; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
822 ngx_str_t ad, out; |
8315
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
823 ngx_uint_t i; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
824 ngx_quic_ciphers_t ciphers; |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
825 u_char nonce[12], mask[16]; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
826 |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
827 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
|
828 |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
829 ad.data = res->data; |
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
830 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
|
831 |
8318
1bb5e8538d0c
Removed excessive debugging in QUIC packet creation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8317
diff
changeset
|
832 out.data = res->data + ad.len; |
1bb5e8538d0c
Removed excessive debugging in QUIC packet creation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8317
diff
changeset
|
833 |
8359 | 834 #ifdef NGX_QUIC_DEBUG_CRYPTO |
8360
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
8359
diff
changeset
|
835 ngx_quic_hexdump(pkt->log, "quic ad", ad.data, ad.len); |
8359 | 836 #endif |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
837 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
838 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
|
839 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
840 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
841 |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
842 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
|
843 ngx_quic_compute_nonce(nonce, sizeof(nonce), pkt->number); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
844 |
8318
1bb5e8538d0c
Removed excessive debugging in QUIC packet creation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8317
diff
changeset
|
845 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
|
846 nonce, &pkt->payload, &ad, pkt->log) |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
847 != NGX_OK) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
848 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
849 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
850 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
851 |
8315
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
852 sample = &out.data[4 - pkt->num_len]; |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
853 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
|
854 != NGX_OK) |
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
855 { |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
856 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
857 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
858 |
8315
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
859 /* 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
|
860 ad.data[0] ^= mask[0] & 0x1f; |
8315
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
861 |
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
862 for (i = 0; i < pkt->num_len; i++) { |
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
863 pnp[i] ^= mask[i + 1]; |
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
864 } |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
865 |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
866 res->len = ad.len + out.len; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
867 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
868 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
869 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
870 |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
871 |
8383
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
872 static ngx_int_t |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
873 ngx_quic_create_retry_packet(ngx_quic_header_t *pkt, ngx_str_t *res) |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
874 { |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
875 u_char *start; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
876 ngx_str_t ad, itag; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
877 ngx_quic_secret_t secret; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
878 ngx_quic_ciphers_t ciphers; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
879 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
880 /* 5.8. Retry Packet Integrity */ |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
881 static u_char key[16] = |
8448
011668fc9efd
Update Initial salt and Retry secret from quic-tls-29.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8446
diff
changeset
|
882 #if (NGX_QUIC_DRAFT_VERSION >= 29) |
011668fc9efd
Update Initial salt and Retry secret from quic-tls-29.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8446
diff
changeset
|
883 "\xcc\xce\x18\x7e\xd0\x9a\x09\xd0\x57\x28\x15\x5a\x6c\xb9\x6b\xe1"; |
011668fc9efd
Update Initial salt and Retry secret from quic-tls-29.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8446
diff
changeset
|
884 #else |
011668fc9efd
Update Initial salt and Retry secret from quic-tls-29.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8446
diff
changeset
|
885 "\x4d\x32\xec\xdb\x2a\x21\x33\xc8\x41\xe4\x04\x3d\xf2\x7d\x44\x30"; |
011668fc9efd
Update Initial salt and Retry secret from quic-tls-29.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8446
diff
changeset
|
886 #endif |
8383
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
887 static u_char nonce[12] = |
8448
011668fc9efd
Update Initial salt and Retry secret from quic-tls-29.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8446
diff
changeset
|
888 #if (NGX_QUIC_DRAFT_VERSION >= 29) |
011668fc9efd
Update Initial salt and Retry secret from quic-tls-29.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8446
diff
changeset
|
889 "\xe5\x49\x30\xf9\x7f\x21\x36\xf0\x53\x0a\x8c\x1c"; |
011668fc9efd
Update Initial salt and Retry secret from quic-tls-29.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8446
diff
changeset
|
890 #else |
011668fc9efd
Update Initial salt and Retry secret from quic-tls-29.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8446
diff
changeset
|
891 "\x4d\x16\x11\xd0\x55\x13\xa5\x52\xc5\x87\xd5\x75"; |
011668fc9efd
Update Initial salt and Retry secret from quic-tls-29.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8446
diff
changeset
|
892 #endif |
8383
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
893 static ngx_str_t in = ngx_string(""); |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
894 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
895 ad.data = res->data; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
896 ad.len = ngx_quic_create_retry_itag(pkt, ad.data, &start); |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
897 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
898 itag.data = ad.data + ad.len; |
8394 | 899 itag.len = EVP_GCM_TLS_TAG_LEN; |
8383
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
900 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
901 #ifdef NGX_QUIC_DEBUG_CRYPTO |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
902 ngx_quic_hexdump(pkt->log, "quic retry itag", ad.data, ad.len); |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
903 #endif |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
904 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
905 if (ngx_quic_ciphers(NULL, &ciphers, pkt->level) == NGX_ERROR) { |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
906 return NGX_ERROR; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
907 } |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
908 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
909 secret.key.len = sizeof(key); |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
910 secret.key.data = key; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
911 secret.iv.len = sizeof(nonce); |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
912 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
913 if (ngx_quic_tls_seal(ciphers.c, &secret, &itag, nonce, &in, &ad, pkt->log) |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
914 != NGX_OK) |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
915 { |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
916 return NGX_ERROR; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
917 } |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
918 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
919 res->len = itag.data + itag.len - start; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
920 res->data = start; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
921 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
922 return NGX_OK; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
923 } |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
924 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
925 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
926 static uint64_t |
8339
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
927 ngx_quic_parse_pn(u_char **pos, ngx_int_t len, u_char *mask, |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
928 uint64_t *largest_pn) |
8221
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 u_char *p; |
8339
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
931 uint64_t truncated_pn, expected_pn, candidate_pn; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
932 uint64_t pn_nbits, pn_win, pn_hwin, pn_mask; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
933 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
934 pn_nbits = ngx_min(len * 8, 62); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
935 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
936 p = *pos; |
8339
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
937 truncated_pn = *p++ ^ *mask++; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
938 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
939 while (--len) { |
8339
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
940 truncated_pn = (truncated_pn << 8) + (*p++ ^ *mask++); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
941 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
942 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
943 *pos = p; |
8339
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
944 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
945 expected_pn = *largest_pn + 1; |
8394 | 946 pn_win = 1ULL << pn_nbits; |
8339
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
947 pn_hwin = pn_win / 2; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
948 pn_mask = pn_win - 1; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
949 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
950 candidate_pn = (expected_pn & ~pn_mask) | truncated_pn; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
951 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
952 if ((int64_t) candidate_pn <= (int64_t) (expected_pn - pn_hwin) |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
953 && candidate_pn < (1ULL << 62) - pn_win) |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
954 { |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
955 candidate_pn += pn_win; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
956 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
957 } else if (candidate_pn > expected_pn + pn_hwin |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
958 && candidate_pn >= pn_win) |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
959 { |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
960 candidate_pn -= pn_win; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
961 } |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
962 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
963 *largest_pn = ngx_max((int64_t) *largest_pn, (int64_t) candidate_pn); |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
964 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
965 return candidate_pn; |
8221
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
968 |
8310
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8307
diff
changeset
|
969 static void |
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8307
diff
changeset
|
970 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
|
971 { |
8313
c625bde6cb77
Fixed computing nonce again, by properly shifting packet number.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8310
diff
changeset
|
972 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
|
973 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
|
974 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
|
975 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
|
976 } |
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8307
diff
changeset
|
977 |
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8307
diff
changeset
|
978 |
8376
2d0f4aa78ed6
Restored ngx_quic_encrypt return type.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8375
diff
changeset
|
979 ngx_int_t |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
980 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
|
981 ngx_str_t *res) |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
982 { |
8370
262396242352
Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents:
8360
diff
changeset
|
983 if (ngx_quic_short_pkt(pkt->flags)) { |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
984 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
|
985 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
986 |
8383
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
987 if (ngx_quic_pkt_retry(pkt->flags)) { |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
988 return ngx_quic_create_retry_packet(pkt, res); |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
989 } |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
990 |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
991 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
|
992 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
993 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
994 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
995 ngx_int_t |
8339
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
996 ngx_quic_decrypt(ngx_quic_header_t *pkt, ngx_ssl_conn_t *ssl_conn, |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
997 uint64_t *largest_pn) |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
998 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
999 u_char clearflags, *p, *sample; |
8386
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1000 uint8_t badflags; |
8532
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8525
diff
changeset
|
1001 uint64_t pn, lpn; |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1002 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
|
1003 ngx_str_t in, ad; |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1004 ngx_quic_secret_t *secret; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1005 ngx_quic_ciphers_t ciphers; |
8288
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
8287
diff
changeset
|
1006 uint8_t mask[16], nonce[12]; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1007 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1008 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
|
1009 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1010 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1011 |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1012 secret = pkt->secret; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1013 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1014 p = pkt->raw->pos; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1015 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1016 /* 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
|
1017 * 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
|
1018 * 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
|
1019 * 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
|
1020 */ |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1021 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1022 sample = p + 4; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1023 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1024 /* header protection */ |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1025 |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1026 if (ngx_quic_tls_hp(pkt->log, ciphers.hp, secret, mask, sample) |
8287 | 1027 != NGX_OK) |
1028 { | |
8446
df29219988bc
Discard short packets which could not be decrypted.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8445
diff
changeset
|
1029 return NGX_DECLINED; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1030 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1031 |
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8224
diff
changeset
|
1032 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
|
1033 clearflags = pkt->flags ^ (mask[0] & 0x0f); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1034 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1035 } else { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1036 clearflags = pkt->flags ^ (mask[0] & 0x1f); |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1037 key_phase = (clearflags & NGX_QUIC_PKT_KPHASE) != 0; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1038 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1039 if (key_phase != pkt->key_phase) { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1040 secret = pkt->next; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1041 pkt->key_update = 1; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1042 } |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1043 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1044 |
8532
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8525
diff
changeset
|
1045 lpn = *largest_pn; |
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8525
diff
changeset
|
1046 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1047 pnl = (clearflags & 0x03) + 1; |
8532
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8525
diff
changeset
|
1048 pn = ngx_quic_parse_pn(&p, pnl, &mask[1], &lpn); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1049 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1050 pkt->pn = pn; |
8375
0aa6b02a1546
Store clearflags in pkt->flags after decryption.
Vladimir Homutov <vl@nginx.com>
parents:
8370
diff
changeset
|
1051 pkt->flags = clearflags; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1052 |
8287 | 1053 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
8478
d2f716e668e8
Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8448
diff
changeset
|
1054 "quic clear flags: %xd", clearflags); |
8287 | 1055 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
|
1056 "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
|
1057 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1058 /* packet protection */ |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1059 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1060 in.data = p; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1061 |
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8224
diff
changeset
|
1062 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
|
1063 in.len = pkt->len - pnl; |
8386
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1064 badflags = clearflags & NGX_QUIC_PKT_LONG_RESERVED_BIT; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1065 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1066 } else { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1067 in.len = pkt->data + pkt->len - p; |
8386
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1068 badflags = clearflags & NGX_QUIC_PKT_SHORT_RESERVED_BIT; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1069 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1070 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1071 ad.len = p - pkt->data; |
8288
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
8287
diff
changeset
|
1072 ad.data = pkt->plaintext; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1073 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1074 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
|
1075 ad.data[0] = clearflags; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1076 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1077 do { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1078 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
|
1079 } while (--pnl); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1080 |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1081 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
|
1082 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
|
1083 |
8359 | 1084 #ifdef NGX_QUIC_DEBUG_CRYPTO |
8360
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
8359
diff
changeset
|
1085 ngx_quic_hexdump(pkt->log, "quic ad", ad.data, ad.len); |
8359 | 1086 #endif |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1087 |
8288
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
8287
diff
changeset
|
1088 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
|
1089 |
8415
125cbfa77013
Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8394
diff
changeset
|
1090 if (NGX_QUIC_MAX_UDP_PAYLOAD_SIZE - ad.len < pkt->payload.len) { |
8288
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
8287
diff
changeset
|
1091 return NGX_ERROR; |
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
8287
diff
changeset
|
1092 } |
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
8287
diff
changeset
|
1093 |
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
8287
diff
changeset
|
1094 pkt->payload.data = pkt->plaintext + ad.len; |
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
8287
diff
changeset
|
1095 |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1096 rc = ngx_quic_tls_open(ciphers.c, secret, &pkt->payload, |
8287 | 1097 nonce, &in, &ad, pkt->log); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1098 |
8359 | 1099 #if defined(NGX_QUIC_DEBUG_CRYPTO) && defined(NGX_QUIC_DEBUG_PACKETS) |
8360
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
8359
diff
changeset
|
1100 ngx_quic_hexdump(pkt->log, "quic packet payload", |
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
8359
diff
changeset
|
1101 pkt->payload.data, pkt->payload.len); |
8359 | 1102 #endif |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1103 |
8386
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1104 if (rc != NGX_OK) { |
8446
df29219988bc
Discard short packets which could not be decrypted.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8445
diff
changeset
|
1105 return NGX_DECLINED; |
8386
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1106 } |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1107 |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1108 if (badflags) { |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1109 /* |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1110 * An endpoint MUST treat receipt of a packet that has |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1111 * a non-zero value for these bits, after removing both |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1112 * packet and header protection, as a connection error |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1113 * of type PROTOCOL_VIOLATION. |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1114 */ |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1115 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1116 "quic reserved bit set in packet"); |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1117 pkt->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION; |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1118 return NGX_ERROR; |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1119 } |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1120 |
8532
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8525
diff
changeset
|
1121 *largest_pn = lpn; |
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8525
diff
changeset
|
1122 |
8386
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1123 return NGX_OK; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1124 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1125 |