Mercurial > hg > nginx-quic
annotate src/event/ngx_event_quic_protection.c @ 8212:05b1ee464350 quic
QUIC: hide header creation internals in ngx_event_quic_transport.c.
It doesn't make sense to expose the header type in a public function.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Tue, 17 Nov 2020 21:32:06 +0000 |
parents | 9c3be23ddbe7 |
children | 5fdd0ef42232 |
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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 |
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28 typedef struct { |
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29 const ngx_quic_cipher_t *c; |
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30 const EVP_CIPHER *hp; |
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31 const EVP_MD *d; |
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32 } ngx_quic_ciphers_t; |
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33 |
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34 |
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35 typedef struct ngx_quic_secret_s { |
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36 ngx_str_t secret; |
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37 ngx_str_t key; |
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38 ngx_str_t iv; |
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39 ngx_str_t hp; |
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40 } ngx_quic_secret_t; |
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41 |
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42 |
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43 typedef struct { |
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44 ngx_quic_secret_t client; |
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45 ngx_quic_secret_t server; |
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46 } ngx_quic_secrets_t; |
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47 |
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48 |
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49 struct ngx_quic_keys_s { |
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50 ngx_quic_secrets_t secrets[NGX_QUIC_ENCRYPTION_LAST]; |
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51 ngx_quic_secrets_t next_key; |
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52 ngx_uint_t cipher; |
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53 }; |
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54 |
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55 |
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56 static ngx_int_t ngx_hkdf_expand(u_char *out_key, size_t out_len, |
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57 const EVP_MD *digest, const u_char *prk, size_t prk_len, |
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58 const u_char *info, size_t info_len); |
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59 static ngx_int_t ngx_hkdf_extract(u_char *out_key, size_t *out_len, |
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60 const EVP_MD *digest, const u_char *secret, size_t secret_len, |
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61 const u_char *salt, size_t salt_len); |
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62 |
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63 static uint64_t ngx_quic_parse_pn(u_char **pos, ngx_int_t len, u_char *mask, |
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64 uint64_t *largest_pn); |
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65 static void ngx_quic_compute_nonce(u_char *nonce, size_t len, uint64_t pn); |
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66 static ngx_int_t ngx_quic_ciphers(ngx_uint_t id, |
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67 ngx_quic_ciphers_t *ciphers, enum ssl_encryption_level_t level); |
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68 |
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69 static ngx_int_t ngx_quic_tls_open(const ngx_quic_cipher_t *cipher, |
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70 ngx_quic_secret_t *s, ngx_str_t *out, u_char *nonce, ngx_str_t *in, |
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72 static ngx_int_t ngx_quic_tls_seal(const ngx_quic_cipher_t *cipher, |
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73 ngx_quic_secret_t *s, ngx_str_t *out, u_char *nonce, ngx_str_t *in, |
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74 ngx_str_t *ad, ngx_log_t *log); |
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75 static ngx_int_t ngx_quic_tls_hp(ngx_log_t *log, const EVP_CIPHER *cipher, |
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76 ngx_quic_secret_t *s, u_char *out, u_char *in); |
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77 static ngx_int_t ngx_quic_hkdf_expand(ngx_pool_t *pool, const EVP_MD *digest, |
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78 ngx_str_t *out, ngx_str_t *label, const uint8_t *prk, size_t prk_len); |
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79 |
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80 static ngx_int_t ngx_quic_create_long_packet(ngx_quic_header_t *pkt, |
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81 ngx_str_t *res); |
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82 static ngx_int_t ngx_quic_create_short_packet(ngx_quic_header_t *pkt, |
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83 ngx_str_t *res); |
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84 static ngx_int_t ngx_quic_create_retry_packet(ngx_quic_header_t *pkt, |
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85 ngx_str_t *res); |
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86 |
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87 |
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88 static ngx_int_t |
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89 ngx_quic_ciphers(ngx_uint_t id, ngx_quic_ciphers_t *ciphers, |
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90 enum ssl_encryption_level_t level) |
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91 { |
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92 ngx_int_t len; |
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93 |
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94 if (level == ssl_encryption_initial) { |
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95 id = NGX_AES_128_GCM_SHA256; |
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96 } |
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97 |
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98 switch (id) { |
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99 |
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100 case NGX_AES_128_GCM_SHA256: |
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101 #ifdef OPENSSL_IS_BORINGSSL |
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102 ciphers->c = EVP_aead_aes_128_gcm(); |
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103 #else |
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104 ciphers->c = EVP_aes_128_gcm(); |
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105 #endif |
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106 ciphers->hp = EVP_aes_128_ctr(); |
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107 ciphers->d = EVP_sha256(); |
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108 len = 16; |
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109 break; |
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110 |
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111 case NGX_AES_256_GCM_SHA384: |
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112 #ifdef OPENSSL_IS_BORINGSSL |
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113 ciphers->c = EVP_aead_aes_256_gcm(); |
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114 #else |
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115 ciphers->c = EVP_aes_256_gcm(); |
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116 #endif |
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117 ciphers->hp = EVP_aes_256_ctr(); |
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118 ciphers->d = EVP_sha384(); |
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119 len = 32; |
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120 break; |
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121 |
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122 case NGX_CHACHA20_POLY1305_SHA256: |
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123 #ifdef OPENSSL_IS_BORINGSSL |
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124 ciphers->c = EVP_aead_chacha20_poly1305(); |
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125 #else |
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126 ciphers->c = EVP_chacha20_poly1305(); |
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127 #endif |
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128 #ifdef OPENSSL_IS_BORINGSSL |
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129 ciphers->hp = (const EVP_CIPHER *) EVP_aead_chacha20_poly1305(); |
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130 #else |
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131 ciphers->hp = EVP_chacha20(); |
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132 #endif |
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133 ciphers->d = EVP_sha256(); |
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134 len = 32; |
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135 break; |
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136 |
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137 default: |
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138 return NGX_ERROR; |
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139 } |
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140 |
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141 return len; |
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142 } |
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143 |
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144 |
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145 ngx_int_t |
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146 ngx_quic_keys_set_initial_secret(ngx_pool_t *pool, ngx_quic_keys_t *keys, |
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147 ngx_str_t *secret) |
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148 { |
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149 size_t is_len; |
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150 uint8_t is[SHA256_DIGEST_LENGTH]; |
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151 ngx_uint_t i; |
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152 const EVP_MD *digest; |
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153 const EVP_CIPHER *cipher; |
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154 ngx_quic_secret_t *client, *server; |
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155 |
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156 static const uint8_t salt[20] = |
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157 #if (NGX_QUIC_DRAFT_VERSION >= 29) |
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158 "\xaf\xbf\xec\x28\x99\x93\xd2\x4c\x9e\x97" |
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159 "\x86\xf1\x9c\x61\x11\xe0\x43\x90\xa8\x99"; |
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160 #else |
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161 "\xc3\xee\xf7\x12\xc7\x2e\xbb\x5a\x11\xa7" |
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162 "\xd2\x43\x2b\xb4\x63\x65\xbe\xf9\xf5\x02"; |
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163 #endif |
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164 |
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165 client = &keys->secrets[ssl_encryption_initial].client; |
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166 server = &keys->secrets[ssl_encryption_initial].server; |
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167 |
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168 /* AEAD_AES_128_GCM prior to handshake, quic-tls-23#section-5.3 */ |
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169 |
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170 cipher = EVP_aes_128_gcm(); |
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171 digest = EVP_sha256(); |
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172 |
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173 if (ngx_hkdf_extract(is, &is_len, digest, secret->data, secret->len, |
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174 salt, sizeof(salt)) |
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175 != NGX_OK) |
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176 { |
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177 return NGX_ERROR; |
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178 } |
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179 |
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180 ngx_str_t iss = { |
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181 .data = is, |
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182 .len = is_len |
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183 }; |
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184 |
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185 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, pool->log, 0, |
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186 "quic ngx_quic_set_initial_secret"); |
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187 #ifdef NGX_QUIC_DEBUG_CRYPTO |
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188 ngx_quic_hexdump(pool->log, "quic salt", salt, sizeof(salt)); |
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189 ngx_quic_hexdump(pool->log, "quic initial secret", is, is_len); |
7836 | 190 #endif |
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191 |
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192 /* draft-ietf-quic-tls-23#section-5.2 */ |
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193 client->secret.len = SHA256_DIGEST_LENGTH; |
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194 server->secret.len = SHA256_DIGEST_LENGTH; |
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195 |
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196 client->key.len = EVP_CIPHER_key_length(cipher); |
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197 server->key.len = EVP_CIPHER_key_length(cipher); |
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198 |
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199 client->hp.len = EVP_CIPHER_key_length(cipher); |
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200 server->hp.len = EVP_CIPHER_key_length(cipher); |
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201 |
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202 client->iv.len = EVP_CIPHER_iv_length(cipher); |
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203 server->iv.len = EVP_CIPHER_iv_length(cipher); |
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204 |
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205 struct { |
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206 ngx_str_t label; |
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207 ngx_str_t *key; |
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208 ngx_str_t *prk; |
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209 } seq[] = { |
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210 |
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211 /* draft-ietf-quic-tls-23#section-5.2 */ |
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212 { ngx_string("tls13 client in"), &client->secret, &iss }, |
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213 { |
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214 ngx_string("tls13 quic key"), |
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215 &client->key, |
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216 &client->secret, |
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217 }, |
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218 { |
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219 ngx_string("tls13 quic iv"), |
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220 &client->iv, |
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221 &client->secret, |
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222 }, |
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223 { |
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224 /* AEAD_AES_128_GCM prior to handshake, quic-tls-23#section-5.4.1 */ |
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225 ngx_string("tls13 quic hp"), |
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226 &client->hp, |
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227 &client->secret, |
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228 }, |
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229 { ngx_string("tls13 server in"), &server->secret, &iss }, |
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230 { |
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231 /* AEAD_AES_128_GCM prior to handshake, quic-tls-23#section-5.3 */ |
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232 ngx_string("tls13 quic key"), |
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233 &server->key, |
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234 &server->secret, |
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235 }, |
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236 { |
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237 ngx_string("tls13 quic iv"), |
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238 &server->iv, |
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239 &server->secret, |
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240 }, |
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241 { |
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242 /* AEAD_AES_128_GCM prior to handshake, quic-tls-23#section-5.4.1 */ |
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243 ngx_string("tls13 quic hp"), |
7772
058a5af7ddfc
Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents:
7769
diff
changeset
|
244 &server->hp, |
058a5af7ddfc
Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents:
7769
diff
changeset
|
245 &server->secret, |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
246 }, |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
247 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
248 }; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
249 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
250 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
|
251 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
252 if (ngx_quic_hkdf_expand(pool, digest, seq[i].key, &seq[i].label, |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
253 seq[i].prk->data, seq[i].prk->len) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
254 != NGX_OK) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
255 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
256 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
257 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
258 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
259 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
260 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
261 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
262 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
263 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
264 static ngx_int_t |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
265 ngx_quic_hkdf_expand(ngx_pool_t *pool, const EVP_MD *digest, ngx_str_t *out, |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
266 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
|
267 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
268 size_t info_len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
269 uint8_t *p; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
270 uint8_t info[20]; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
271 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
272 if (out->data == NULL) { |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
273 out->data = ngx_pnalloc(pool, out->len); |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
274 if (out->data == NULL) { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
275 return NGX_ERROR; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
276 } |
7687
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
279 info_len = 2 + 1 + label->len + 1; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
280 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
281 info[0] = 0; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
282 info[1] = out->len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
283 info[2] = label->len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
284 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
|
285 *p = '\0'; |
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 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
|
288 prk, prk_len, info, info_len) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
289 != NGX_OK) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
290 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
291 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
|
292 "ngx_hkdf_expand(%V) failed", label); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
293 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
294 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
295 |
7836 | 296 #ifdef NGX_QUIC_DEBUG_CRYPTO |
8063
64a484fd40a9
QUIC: stripped down debug traces that have served its purpose.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8004
diff
changeset
|
297 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pool->log, 0, "quic expand %V", label); |
7837
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
7836
diff
changeset
|
298 ngx_quic_hexdump(pool->log, "quic key", out->data, out->len); |
7836 | 299 #endif |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
300 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
301 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
302 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
303 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
304 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
305 static ngx_int_t |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
306 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
|
307 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
|
308 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
309 #ifdef OPENSSL_IS_BORINGSSL |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
310 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
|
311 == 0) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
312 { |
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 #else |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
316 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
317 EVP_PKEY_CTX *pctx; |
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 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
|
320 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
321 if (EVP_PKEY_derive_init(pctx) <= 0) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
322 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
323 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
324 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
325 if (EVP_PKEY_CTX_hkdf_mode(pctx, EVP_PKEY_HKDEF_MODE_EXPAND_ONLY) <= 0) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
326 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
327 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
328 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
329 if (EVP_PKEY_CTX_set_hkdf_md(pctx, digest) <= 0) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
330 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
331 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
332 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
333 if (EVP_PKEY_CTX_set1_hkdf_key(pctx, prk, prk_len) <= 0) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
334 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
335 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
336 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
337 if (EVP_PKEY_CTX_add1_hkdf_info(pctx, info, info_len) <= 0) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
338 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
339 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
340 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
341 if (EVP_PKEY_derive(pctx, out_key, &out_len) <= 0) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
342 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
343 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
344 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
345 #endif |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
346 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
347 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
348 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
349 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
350 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
351 static ngx_int_t |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
352 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
|
353 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
|
354 size_t salt_len) |
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 #ifdef OPENSSL_IS_BORINGSSL |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
357 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
|
358 salt_len) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
359 == 0) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
360 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
361 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 #else |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
364 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
365 EVP_PKEY_CTX *pctx; |
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 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
|
368 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
369 if (EVP_PKEY_derive_init(pctx) <= 0) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
370 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
371 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
372 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
373 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
|
374 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
375 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
376 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
377 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
|
378 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
379 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
380 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
381 if (EVP_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
|
382 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
383 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
384 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
385 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
|
386 return NGX_ERROR; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
389 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
|
390 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
391 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
392 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
393 #endif |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
394 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
395 return NGX_OK; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
399 static ngx_int_t |
7754
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
7753
diff
changeset
|
400 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:
7753
diff
changeset
|
401 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:
7753
diff
changeset
|
402 ngx_log_t *log) |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
403 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
404 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
405 #ifdef OPENSSL_IS_BORINGSSL |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
406 EVP_AEAD_CTX *ctx; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
407 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
408 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
|
409 EVP_AEAD_DEFAULT_TAG_LENGTH); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
410 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
411 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
|
412 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
413 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
414 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
415 if (EVP_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
|
416 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
|
417 != 1) |
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 EVP_AEAD_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
420 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_AEAD_CTX_open() failed"); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
421 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
422 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
423 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
424 EVP_AEAD_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
425 #else |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
426 int len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
427 u_char *tag; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
428 EVP_CIPHER_CTX *ctx; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
429 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
430 ctx = EVP_CIPHER_CTX_new(); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
431 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
432 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
|
433 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
434 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
435 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
436 if (EVP_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
|
437 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
438 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_DecryptInit_ex() failed"); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
439 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
440 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
441 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
442 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
|
443 == 0) |
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 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
446 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
|
447 "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
|
448 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
449 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
450 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
451 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
|
452 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
453 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
|
454 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
455 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
456 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
457 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
|
458 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
459 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
|
460 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
461 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
462 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
463 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
|
464 in->len - EVP_GCM_TLS_TAG_LEN) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
465 != 1) |
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 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
468 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
|
469 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
470 } |
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 out->len = len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
473 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
|
474 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
475 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
|
476 == 0) |
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 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
479 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
|
480 "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
|
481 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
482 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
483 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
484 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
|
485 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
486 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
|
487 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
488 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
489 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
490 out->len += len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
491 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
492 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
493 #endif |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
494 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
495 return NGX_OK; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
498 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
499 static ngx_int_t |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
500 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:
7731
diff
changeset
|
501 ngx_str_t *out, u_char *nonce, ngx_str_t *in, ngx_str_t *ad, ngx_log_t *log) |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
502 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
503 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
504 #ifdef OPENSSL_IS_BORINGSSL |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
505 EVP_AEAD_CTX *ctx; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
506 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
507 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
|
508 EVP_AEAD_DEFAULT_TAG_LENGTH); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
509 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
510 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
|
511 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
512 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
513 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
514 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
|
515 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
|
516 != 1) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
517 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
518 EVP_AEAD_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_AEAD_CTX_seal() 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 EVP_AEAD_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
524 #else |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
525 int len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
526 EVP_CIPHER_CTX *ctx; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
527 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
528 ctx = EVP_CIPHER_CTX_new(); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
529 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
530 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
|
531 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
532 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
533 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
534 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
|
535 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
536 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
|
537 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
538 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
539 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
540 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
|
541 == 0) |
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 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
544 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
|
545 "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
|
546 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
547 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
548 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
549 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
|
550 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
551 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
|
552 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
553 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
554 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
555 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
|
556 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
557 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
|
558 return NGX_ERROR; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
561 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
|
562 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
563 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
|
564 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
565 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
566 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
567 out->len = len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
568 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
569 if (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
|
570 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
571 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
|
572 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
573 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
574 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
575 out->len += len; |
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 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
|
578 out->data + in->len) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
579 == 0) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
580 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
581 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
582 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
|
583 "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
|
584 return NGX_ERROR; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
587 EVP_CIPHER_CTX_free(ctx); |
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 out->len += EVP_GCM_TLS_TAG_LEN; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
590 #endif |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
591 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
592 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
593 |
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 static ngx_int_t |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
596 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
|
597 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
|
598 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
599 int outlen; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
600 EVP_CIPHER_CTX *ctx; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
601 u_char zero[5] = {0}; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
602 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
603 #ifdef OPENSSL_IS_BORINGSSL |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
604 uint32_t counter; |
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 ngx_memcpy(&counter, in, sizeof(uint32_t)); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
607 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
608 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
|
609 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
|
610 return NGX_OK; |
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 #endif |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
613 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
614 ctx = EVP_CIPHER_CTX_new(); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
615 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
616 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
617 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
618 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
619 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
|
620 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
|
621 goto 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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
624 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
|
625 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
|
626 goto failed; |
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 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
|
630 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
|
631 goto failed; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
632 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
633 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
634 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
635 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
636 return NGX_OK; |
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 failed: |
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 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
641 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
642 return NGX_ERROR; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
645 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
646 int ngx_quic_keys_set_encryption_secret(ngx_pool_t *pool, ngx_uint_t is_write, |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
647 ngx_quic_keys_t *keys, enum ssl_encryption_level_t level, |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
648 const SSL_CIPHER *cipher, const uint8_t *secret, size_t secret_len) |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
649 { |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
650 ngx_int_t key_len; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
651 ngx_uint_t i; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
652 ngx_quic_secret_t *peer_secret; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
653 ngx_quic_ciphers_t ciphers; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
654 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
655 peer_secret = is_write ? &keys->secrets[level].server |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
656 : &keys->secrets[level].client; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
657 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
658 /* |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
659 * SSL_CIPHER_get_protocol_id() is not universally available, |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
660 * casting to uint16_t works for both OpenSSL and BoringSSL |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
661 */ |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
662 keys->cipher = (uint16_t) SSL_CIPHER_get_id(cipher); |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
663 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
664 key_len = ngx_quic_ciphers(keys->cipher, &ciphers, level); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
665 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
666 if (key_len == NGX_ERROR) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
667 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
|
668 return 0; |
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 |
7772
058a5af7ddfc
Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents:
7769
diff
changeset
|
671 if (level == ssl_encryption_initial) { |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
672 return 0; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
673 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
674 |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
675 peer_secret->secret.data = ngx_pnalloc(pool, secret_len); |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
676 if (peer_secret->secret.data == NULL) { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
677 return NGX_ERROR; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
678 } |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
679 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
680 peer_secret->secret.len = secret_len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
681 ngx_memcpy(peer_secret->secret.data, secret, secret_len); |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
682 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
683 peer_secret->key.len = key_len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
684 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
|
685 peer_secret->hp.len = key_len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
686 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
687 struct { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
688 ngx_str_t label; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
689 ngx_str_t *key; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
690 const uint8_t *secret; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
691 } seq[] = { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
692 { 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
|
693 { 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
|
694 { 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
|
695 }; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
696 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
697 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
|
698 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
699 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
|
700 seq[i].secret, secret_len) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
701 != NGX_OK) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
702 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
703 return 0; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
704 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
705 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
706 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
707 return 1; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
708 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
709 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
710 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
711 ngx_quic_keys_t * |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
712 ngx_quic_keys_new(ngx_pool_t *pool) |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
713 { |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
714 return ngx_pcalloc(pool, sizeof(ngx_quic_keys_t)); |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
715 } |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
716 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
717 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
718 ngx_uint_t |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
719 ngx_quic_keys_available(ngx_quic_keys_t *keys, |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
720 enum ssl_encryption_level_t level) |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
721 { |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
722 return keys->secrets[level].client.key.len != 0; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
723 } |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
724 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
725 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
726 void |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
727 ngx_quic_keys_discard(ngx_quic_keys_t *keys, |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
728 enum ssl_encryption_level_t level) |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
729 { |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
730 keys->secrets[level].client.key.len = 0; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
731 } |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
732 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
733 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
734 void |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
735 ngx_quic_keys_switch(ngx_connection_t *c, ngx_quic_keys_t *keys) |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
736 { |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
737 ngx_quic_secrets_t *current, *next, tmp; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
738 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
739 current = &keys->secrets[ssl_encryption_application]; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
740 next = &keys->next_key; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
741 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
742 tmp = *current; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
743 *current = *next; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
744 *next = tmp; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
745 } |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
746 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
747 |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
748 ngx_int_t |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
749 ngx_quic_keys_update(ngx_connection_t *c, ngx_quic_keys_t *keys) |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
750 { |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
751 ngx_uint_t i; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
752 ngx_quic_ciphers_t ciphers; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
753 ngx_quic_secrets_t *current, *next; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
754 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
755 current = &keys->secrets[ssl_encryption_application]; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
756 next = &keys->next_key; |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
757 |
7837
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
7836
diff
changeset
|
758 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic key update"); |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
759 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
760 if (ngx_quic_ciphers(keys->cipher, &ciphers, ssl_encryption_application) |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
761 == NGX_ERROR) |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
762 { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
763 return NGX_ERROR; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
764 } |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
765 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
766 next->client.secret.len = current->client.secret.len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
767 next->client.key.len = current->client.key.len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
768 next->client.iv.len = current->client.iv.len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
769 next->client.hp = current->client.hp; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
770 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
771 next->server.secret.len = current->server.secret.len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
772 next->server.key.len = current->server.key.len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
773 next->server.iv.len = current->server.iv.len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
774 next->server.hp = current->server.hp; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
775 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
776 struct { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
777 ngx_str_t label; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
778 ngx_str_t *key; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
779 ngx_str_t *secret; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
780 } seq[] = { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
781 { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
782 ngx_string("tls13 quic ku"), |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
783 &next->client.secret, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
784 ¤t->client.secret, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
785 }, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
786 { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
787 ngx_string("tls13 quic key"), |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
788 &next->client.key, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
789 &next->client.secret, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
790 }, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
791 { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
792 ngx_string("tls13 quic iv"), |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
793 &next->client.iv, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
794 &next->client.secret, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
795 }, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
796 { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
797 ngx_string("tls13 quic ku"), |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
798 &next->server.secret, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
799 ¤t->server.secret, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
800 }, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
801 { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
802 ngx_string("tls13 quic key"), |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
803 &next->server.key, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
804 &next->server.secret, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
805 }, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
806 { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
807 ngx_string("tls13 quic iv"), |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
808 &next->server.iv, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
809 &next->server.secret, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
810 }, |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
811 }; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
812 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
813 for (i = 0; i < (sizeof(seq) / sizeof(seq[0])); i++) { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
814 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
815 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:
7784
diff
changeset
|
816 seq[i].secret->data, seq[i].secret->len) |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
817 != NGX_OK) |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
818 { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
819 return NGX_ERROR; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
820 } |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
821 } |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
822 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
823 return NGX_OK; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
824 } |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
825 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
826 |
7853
2d0f4aa78ed6
Restored ngx_quic_encrypt return type.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7852
diff
changeset
|
827 static ngx_int_t |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
828 ngx_quic_create_long_packet(ngx_quic_header_t *pkt, ngx_str_t *res) |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
829 { |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
830 u_char *pnp, *sample; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
831 ngx_str_t ad, out; |
7781
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
832 ngx_uint_t i; |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
833 ngx_quic_secret_t *secret; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
834 ngx_quic_ciphers_t ciphers; |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
835 u_char nonce[12], mask[16]; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
836 |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
837 out.len = pkt->payload.len + EVP_GCM_TLS_TAG_LEN; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
838 |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
839 ad.data = res->data; |
8212
05b1ee464350
QUIC: hide header creation internals in ngx_event_quic_transport.c.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8191
diff
changeset
|
840 ad.len = ngx_quic_create_header(pkt, ad.data, out.len, &pnp); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
841 |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
842 out.data = res->data + ad.len; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
843 |
7836 | 844 #ifdef NGX_QUIC_DEBUG_CRYPTO |
7837
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
7836
diff
changeset
|
845 ngx_quic_hexdump(pkt->log, "quic ad", ad.data, ad.len); |
7836 | 846 #endif |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
847 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
848 if (ngx_quic_ciphers(pkt->keys->cipher, &ciphers, pkt->level) == NGX_ERROR) |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
849 { |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
850 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
851 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
852 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
853 secret = &pkt->keys->secrets[pkt->level].server; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
854 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
855 ngx_memcpy(nonce, secret->iv.data, secret->iv.len); |
7776
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7773
diff
changeset
|
856 ngx_quic_compute_nonce(nonce, sizeof(nonce), pkt->number); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
857 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
858 if (ngx_quic_tls_seal(ciphers.c, secret, &out, |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
859 nonce, &pkt->payload, &ad, pkt->log) |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
860 != NGX_OK) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
861 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
862 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
863 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
864 |
7781
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
865 sample = &out.data[4 - pkt->num_len]; |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
866 if (ngx_quic_tls_hp(pkt->log, ciphers.hp, secret, mask, sample) |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
867 != NGX_OK) |
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
868 { |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
869 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
870 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
871 |
7781
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
872 /* quic-tls: 5.4.1. Header Protection Application */ |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
873 ad.data[0] ^= mask[0] & 0x0f; |
7781
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
874 |
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
875 for (i = 0; i < pkt->num_len; i++) { |
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
876 pnp[i] ^= mask[i + 1]; |
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
877 } |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
878 |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
879 res->len = ad.len + out.len; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
880 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
881 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
882 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
883 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
884 |
7853
2d0f4aa78ed6
Restored ngx_quic_encrypt return type.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7852
diff
changeset
|
885 static ngx_int_t |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
886 ngx_quic_create_short_packet(ngx_quic_header_t *pkt, ngx_str_t *res) |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
887 { |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
888 u_char *pnp, *sample; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
889 ngx_str_t ad, out; |
7781
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
890 ngx_uint_t i; |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
891 ngx_quic_secret_t *secret; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
892 ngx_quic_ciphers_t ciphers; |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
893 u_char nonce[12], mask[16]; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
894 |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
895 out.len = pkt->payload.len + EVP_GCM_TLS_TAG_LEN; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
896 |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
897 ad.data = res->data; |
8212
05b1ee464350
QUIC: hide header creation internals in ngx_event_quic_transport.c.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8191
diff
changeset
|
898 ad.len = ngx_quic_create_header(pkt, ad.data, out.len, &pnp); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
899 |
7784
1bb5e8538d0c
Removed excessive debugging in QUIC packet creation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7783
diff
changeset
|
900 out.data = res->data + ad.len; |
1bb5e8538d0c
Removed excessive debugging in QUIC packet creation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7783
diff
changeset
|
901 |
7836 | 902 #ifdef NGX_QUIC_DEBUG_CRYPTO |
7837
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
7836
diff
changeset
|
903 ngx_quic_hexdump(pkt->log, "quic ad", ad.data, ad.len); |
7836 | 904 #endif |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
905 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
906 if (ngx_quic_ciphers(pkt->keys->cipher, &ciphers, pkt->level) == NGX_ERROR) |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
907 { |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
908 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
909 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
910 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
911 secret = &pkt->keys->secrets[pkt->level].server; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
912 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
913 ngx_memcpy(nonce, secret->iv.data, secret->iv.len); |
7776
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7773
diff
changeset
|
914 ngx_quic_compute_nonce(nonce, sizeof(nonce), pkt->number); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
915 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
916 if (ngx_quic_tls_seal(ciphers.c, secret, &out, |
7784
1bb5e8538d0c
Removed excessive debugging in QUIC packet creation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7783
diff
changeset
|
917 nonce, &pkt->payload, &ad, pkt->log) |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
918 != NGX_OK) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
919 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
920 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
921 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
922 |
7781
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
923 sample = &out.data[4 - pkt->num_len]; |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
924 if (ngx_quic_tls_hp(pkt->log, ciphers.hp, secret, mask, sample) |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
925 != NGX_OK) |
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
926 { |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
927 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
928 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
929 |
7781
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
930 /* quic-tls: 5.4.1. Header Protection Application */ |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
931 ad.data[0] ^= mask[0] & 0x1f; |
7781
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
932 |
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
933 for (i = 0; i < pkt->num_len; i++) { |
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
934 pnp[i] ^= mask[i + 1]; |
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
935 } |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
936 |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
937 res->len = ad.len + out.len; |
7687
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 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
940 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
941 |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
942 |
7860
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
943 static ngx_int_t |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
944 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:
7853
diff
changeset
|
945 { |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
946 u_char *start; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
947 ngx_str_t ad, itag; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
948 ngx_quic_secret_t secret; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
949 ngx_quic_ciphers_t ciphers; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
950 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
951 /* 5.8. Retry Packet Integrity */ |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
952 static u_char key[16] = |
7943
011668fc9efd
Update Initial salt and Retry secret from quic-tls-29.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7941
diff
changeset
|
953 #if (NGX_QUIC_DRAFT_VERSION >= 29) |
011668fc9efd
Update Initial salt and Retry secret from quic-tls-29.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7941
diff
changeset
|
954 "\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:
7941
diff
changeset
|
955 #else |
011668fc9efd
Update Initial salt and Retry secret from quic-tls-29.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7941
diff
changeset
|
956 "\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:
7941
diff
changeset
|
957 #endif |
7860
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
958 static u_char nonce[12] = |
7943
011668fc9efd
Update Initial salt and Retry secret from quic-tls-29.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7941
diff
changeset
|
959 #if (NGX_QUIC_DRAFT_VERSION >= 29) |
011668fc9efd
Update Initial salt and Retry secret from quic-tls-29.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7941
diff
changeset
|
960 "\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:
7941
diff
changeset
|
961 #else |
011668fc9efd
Update Initial salt and Retry secret from quic-tls-29.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7941
diff
changeset
|
962 "\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:
7941
diff
changeset
|
963 #endif |
7860
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
964 static ngx_str_t in = ngx_string(""); |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
965 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
966 ad.data = res->data; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
967 ad.len = ngx_quic_create_retry_itag(pkt, ad.data, &start); |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
968 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
969 itag.data = ad.data + ad.len; |
7871 | 970 itag.len = EVP_GCM_TLS_TAG_LEN; |
7860
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
971 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
972 #ifdef NGX_QUIC_DEBUG_CRYPTO |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
973 ngx_quic_hexdump(pkt->log, "quic retry itag", ad.data, ad.len); |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
974 #endif |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
975 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
976 if (ngx_quic_ciphers(0, &ciphers, pkt->level) == NGX_ERROR) { |
7860
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
977 return NGX_ERROR; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
978 } |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
979 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
980 secret.key.len = sizeof(key); |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
981 secret.key.data = key; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
982 secret.iv.len = sizeof(nonce); |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
983 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
984 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:
7853
diff
changeset
|
985 != NGX_OK) |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
986 { |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
987 return NGX_ERROR; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
988 } |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
989 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
990 res->len = itag.data + itag.len - start; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
991 res->data = start; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
992 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
993 return NGX_OK; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
994 } |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
995 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
996 |
8100
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
997 ngx_int_t |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
998 ngx_quic_new_sr_token(ngx_connection_t *c, ngx_str_t *cid, ngx_str_t *secret, |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
999 u_char *token) |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1000 { |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1001 uint8_t *p; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1002 size_t is_len, key_len, info_len; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1003 ngx_str_t label; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1004 const EVP_MD *digest; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1005 uint8_t info[20]; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1006 uint8_t is[SHA256_DIGEST_LENGTH]; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1007 uint8_t key[SHA256_DIGEST_LENGTH]; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1008 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1009 /* 10.4.2. Calculating a Stateless Reset Token */ |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1010 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1011 digest = EVP_sha256(); |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1012 ngx_str_set(&label, "sr_token_key"); |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1013 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1014 if (ngx_hkdf_extract(is, &is_len, digest, secret->data, secret->len, |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1015 cid->data, cid->len) |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1016 != NGX_OK) |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1017 { |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1018 ngx_ssl_error(NGX_LOG_INFO, c->log, 0, |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1019 "ngx_hkdf_extract(%V) failed", &label); |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1020 return NGX_ERROR; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1021 } |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1022 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1023 key_len = SHA256_DIGEST_LENGTH; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1024 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1025 info_len = 2 + 1 + label.len + 1; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1026 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1027 info[0] = 0; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1028 info[1] = key_len; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1029 info[2] = label.len; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1030 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1031 p = ngx_cpymem(&info[3], label.data, label.len); |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1032 *p = '\0'; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1033 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1034 if (ngx_hkdf_expand(key, key_len, digest, is, is_len, info, info_len) |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1035 != NGX_OK) |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1036 { |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1037 ngx_ssl_error(NGX_LOG_INFO, c->log, 0, |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1038 "ngx_hkdf_expand(%V) failed", &label); |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1039 return NGX_ERROR; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1040 } |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1041 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1042 ngx_memcpy(token, key, NGX_QUIC_SR_TOKEN_LEN); |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1043 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1044 #if (NGX_DEBUG) |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1045 ngx_quic_hexdump(c->log, "quic stateless reset token", token, |
8103
0e12c4aca3ab
QUIC: fixed clang-ast asserts.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8100
diff
changeset
|
1046 (size_t) NGX_QUIC_SR_TOKEN_LEN); |
8100
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1047 #endif |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1048 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1049 return NGX_OK; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1050 } |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1051 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
1052 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1053 static uint64_t |
7816
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1054 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:
7790
diff
changeset
|
1055 uint64_t *largest_pn) |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1056 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1057 u_char *p; |
7816
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1058 uint64_t truncated_pn, expected_pn, candidate_pn; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1059 uint64_t pn_nbits, pn_win, pn_hwin, pn_mask; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1060 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1061 pn_nbits = ngx_min(len * 8, 62); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1062 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1063 p = *pos; |
7816
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1064 truncated_pn = *p++ ^ *mask++; |
7687
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 while (--len) { |
7816
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1067 truncated_pn = (truncated_pn << 8) + (*p++ ^ *mask++); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1068 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1069 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1070 *pos = p; |
7816
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1071 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1072 expected_pn = *largest_pn + 1; |
7871 | 1073 pn_win = 1ULL << pn_nbits; |
7816
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1074 pn_hwin = pn_win / 2; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1075 pn_mask = pn_win - 1; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1076 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1077 candidate_pn = (expected_pn & ~pn_mask) | truncated_pn; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1078 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1079 if ((int64_t) candidate_pn <= (int64_t) (expected_pn - pn_hwin) |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1080 && candidate_pn < (1ULL << 62) - pn_win) |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1081 { |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1082 candidate_pn += pn_win; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1083 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1084 } else if (candidate_pn > expected_pn + pn_hwin |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1085 && candidate_pn >= pn_win) |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1086 { |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1087 candidate_pn -= pn_win; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1088 } |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1089 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1090 *largest_pn = ngx_max((int64_t) *largest_pn, (int64_t) candidate_pn); |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1091 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
1092 return candidate_pn; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1093 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1094 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1095 |
7776
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7773
diff
changeset
|
1096 static void |
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7773
diff
changeset
|
1097 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:
7773
diff
changeset
|
1098 { |
7779
c625bde6cb77
Fixed computing nonce again, by properly shifting packet number.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7776
diff
changeset
|
1099 nonce[len - 4] ^= (pn & 0xff000000) >> 24; |
c625bde6cb77
Fixed computing nonce again, by properly shifting packet number.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7776
diff
changeset
|
1100 nonce[len - 3] ^= (pn & 0x00ff0000) >> 16; |
c625bde6cb77
Fixed computing nonce again, by properly shifting packet number.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7776
diff
changeset
|
1101 nonce[len - 2] ^= (pn & 0x0000ff00) >> 8; |
c625bde6cb77
Fixed computing nonce again, by properly shifting packet number.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7776
diff
changeset
|
1102 nonce[len - 1] ^= (pn & 0x000000ff); |
7776
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7773
diff
changeset
|
1103 } |
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7773
diff
changeset
|
1104 |
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7773
diff
changeset
|
1105 |
7853
2d0f4aa78ed6
Restored ngx_quic_encrypt return type.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7852
diff
changeset
|
1106 ngx_int_t |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
1107 ngx_quic_encrypt(ngx_quic_header_t *pkt, ngx_str_t *res) |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1108 { |
7847
262396242352
Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents:
7837
diff
changeset
|
1109 if (ngx_quic_short_pkt(pkt->flags)) { |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
1110 return ngx_quic_create_short_packet(pkt, res); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1111 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1112 |
7860
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
1113 if (ngx_quic_pkt_retry(pkt->flags)) { |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
1114 return ngx_quic_create_retry_packet(pkt, res); |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
1115 } |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
1116 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
1117 return ngx_quic_create_long_packet(pkt, res); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1118 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1119 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1120 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1121 ngx_int_t |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
1122 ngx_quic_decrypt(ngx_quic_header_t *pkt, uint64_t *largest_pn) |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1123 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1124 u_char clearflags, *p, *sample; |
8096
0f37b4ef3cd9
QUIC: keep the entire packet size in pkt->len.
Roman Arutyunyan <arut@nginx.com>
parents:
8082
diff
changeset
|
1125 size_t len; |
7863
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1126 uint8_t badflags; |
8070
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8063
diff
changeset
|
1127 uint64_t pn, lpn; |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1128 ngx_int_t pnl, rc, key_phase; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1129 ngx_str_t in, ad; |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1130 ngx_quic_secret_t *secret; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1131 ngx_quic_ciphers_t ciphers; |
7754
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
7753
diff
changeset
|
1132 uint8_t mask[16], nonce[12]; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1133 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
1134 if (ngx_quic_ciphers(pkt->keys->cipher, &ciphers, pkt->level) == NGX_ERROR) |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
1135 { |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1136 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1137 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1138 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
1139 secret = &pkt->keys->secrets[pkt->level].client; |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1140 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1141 p = pkt->raw->pos; |
8096
0f37b4ef3cd9
QUIC: keep the entire packet size in pkt->len.
Roman Arutyunyan <arut@nginx.com>
parents:
8082
diff
changeset
|
1142 len = pkt->data + pkt->len - p; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1143 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1144 /* 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
|
1145 * 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
|
1146 * 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
|
1147 * 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
|
1148 */ |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1149 |
8096
0f37b4ef3cd9
QUIC: keep the entire packet size in pkt->len.
Roman Arutyunyan <arut@nginx.com>
parents:
8082
diff
changeset
|
1150 if (len < EVP_GCM_TLS_TAG_LEN + 4) { |
8081
9aedab0f0dff
QUIC: check that the packet length is of at least sample size.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8080
diff
changeset
|
1151 return NGX_DECLINED; |
9aedab0f0dff
QUIC: check that the packet length is of at least sample size.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8080
diff
changeset
|
1152 } |
9aedab0f0dff
QUIC: check that the packet length is of at least sample size.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8080
diff
changeset
|
1153 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1154 sample = p + 4; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1155 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1156 /* header protection */ |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1157 |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1158 if (ngx_quic_tls_hp(pkt->log, ciphers.hp, secret, mask, sample) |
7753 | 1159 != NGX_OK) |
1160 { | |
7941
df29219988bc
Discard short packets which could not be decrypted.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7940
diff
changeset
|
1161 return NGX_DECLINED; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1162 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1163 |
7717
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
7690
diff
changeset
|
1164 if (ngx_quic_long_pkt(pkt->flags)) { |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1165 clearflags = pkt->flags ^ (mask[0] & 0x0f); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1166 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1167 } else { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1168 clearflags = pkt->flags ^ (mask[0] & 0x1f); |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1169 key_phase = (clearflags & NGX_QUIC_PKT_KPHASE) != 0; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1170 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1171 if (key_phase != pkt->key_phase) { |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
1172 secret = &pkt->keys->next_key.client; |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1173 pkt->key_update = 1; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1174 } |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1175 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1176 |
8070
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8063
diff
changeset
|
1177 lpn = *largest_pn; |
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8063
diff
changeset
|
1178 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1179 pnl = (clearflags & 0x03) + 1; |
8070
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8063
diff
changeset
|
1180 pn = ngx_quic_parse_pn(&p, pnl, &mask[1], &lpn); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1181 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1182 pkt->pn = pn; |
7852
0aa6b02a1546
Store clearflags in pkt->flags after decryption.
Vladimir Homutov <vl@nginx.com>
parents:
7847
diff
changeset
|
1183 pkt->flags = clearflags; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1184 |
7753 | 1185 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
8168
f32740ddd484
QUIC: got rid of "pkt" abbreviation in logs.
Vladimir Homutov <vl@nginx.com>
parents:
8167
diff
changeset
|
1186 "quic packet rx clearflags:%xd", clearflags); |
7753 | 1187 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
8168
f32740ddd484
QUIC: got rid of "pkt" abbreviation in logs.
Vladimir Homutov <vl@nginx.com>
parents:
8167
diff
changeset
|
1188 "quic packet rx number:%uL len:%xi", pn, pnl); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1189 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1190 /* packet protection */ |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1191 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1192 in.data = p; |
8096
0f37b4ef3cd9
QUIC: keep the entire packet size in pkt->len.
Roman Arutyunyan <arut@nginx.com>
parents:
8082
diff
changeset
|
1193 in.len = len - pnl; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1194 |
7717
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
7690
diff
changeset
|
1195 if (ngx_quic_long_pkt(pkt->flags)) { |
7863
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1196 badflags = clearflags & NGX_QUIC_PKT_LONG_RESERVED_BIT; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1197 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1198 } else { |
7863
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1199 badflags = clearflags & NGX_QUIC_PKT_SHORT_RESERVED_BIT; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1200 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1201 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1202 ad.len = p - pkt->data; |
7754
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
7753
diff
changeset
|
1203 ad.data = pkt->plaintext; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1204 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1205 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
|
1206 ad.data[0] = clearflags; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1207 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1208 do { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1209 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
|
1210 } while (--pnl); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1211 |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1212 ngx_memcpy(nonce, secret->iv.data, secret->iv.len); |
7776
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7773
diff
changeset
|
1213 ngx_quic_compute_nonce(nonce, sizeof(nonce), pn); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1214 |
7836 | 1215 #ifdef NGX_QUIC_DEBUG_CRYPTO |
7837
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
7836
diff
changeset
|
1216 ngx_quic_hexdump(pkt->log, "quic ad", ad.data, ad.len); |
7836 | 1217 #endif |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1218 |
7754
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
7753
diff
changeset
|
1219 pkt->payload.len = in.len - EVP_GCM_TLS_TAG_LEN; |
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
7753
diff
changeset
|
1220 pkt->payload.data = pkt->plaintext + ad.len; |
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
7753
diff
changeset
|
1221 |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1222 rc = ngx_quic_tls_open(ciphers.c, secret, &pkt->payload, |
7753 | 1223 nonce, &in, &ad, pkt->log); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1224 |
7836 | 1225 #if defined(NGX_QUIC_DEBUG_CRYPTO) && defined(NGX_QUIC_DEBUG_PACKETS) |
7837
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
7836
diff
changeset
|
1226 ngx_quic_hexdump(pkt->log, "quic packet payload", |
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
7836
diff
changeset
|
1227 pkt->payload.data, pkt->payload.len); |
7836 | 1228 #endif |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1229 |
7863
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1230 if (rc != NGX_OK) { |
7941
df29219988bc
Discard short packets which could not be decrypted.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7940
diff
changeset
|
1231 return NGX_DECLINED; |
7863
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1232 } |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1233 |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1234 if (badflags) { |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1235 /* |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1236 * 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:
7860
diff
changeset
|
1237 * 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:
7860
diff
changeset
|
1238 * packet and header protection, as a connection error |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1239 * of type PROTOCOL_VIOLATION. |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1240 */ |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1241 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:
7860
diff
changeset
|
1242 "quic reserved bit set in packet"); |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1243 pkt->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION; |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1244 return NGX_ERROR; |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1245 } |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1246 |
8070
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8063
diff
changeset
|
1247 *largest_pn = lpn; |
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8063
diff
changeset
|
1248 |
7863
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1249 return NGX_OK; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1250 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1251 |