Mercurial > hg > nginx-quic
annotate src/event/quic/ngx_event_quic_protection.c @ 9026:5dcea9f91482 quic
QUIC: using NGX_QUIC_ERR_CRYPTO macro in ALPN checks.
Patch by Jiuzhou Cui.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Thu, 23 Feb 2023 15:49:59 +0400 |
parents | 70ce1e927715 |
children | 7da4791e0264 |
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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_connection.h> |
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11 |
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12 |
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13 /* RFC 9001, 5.4.1. Header Protection Application: 5-byte mask */ |
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14 #define NGX_QUIC_HP_LEN 5 |
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15 |
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16 #define NGX_QUIC_AES_128_KEY_LEN 16 |
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17 |
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18 #ifndef TLS1_3_CK_AES_128_GCM_SHA256 |
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19 #define TLS1_3_CK_AES_128_GCM_SHA256 0x03001301 |
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20 #define TLS1_3_CK_AES_256_GCM_SHA384 0x03001302 |
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21 #define TLS1_3_CK_CHACHA20_POLY1305_SHA256 \ |
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22 0x03001303 |
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23 #endif |
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24 |
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25 |
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26 #ifdef OPENSSL_IS_BORINGSSL |
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27 #define ngx_quic_cipher_t EVP_AEAD |
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28 #else |
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29 #define ngx_quic_cipher_t EVP_CIPHER |
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30 #endif |
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31 |
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32 |
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33 typedef struct { |
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34 const ngx_quic_cipher_t *c; |
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35 const EVP_CIPHER *hp; |
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36 const EVP_MD *d; |
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37 } ngx_quic_ciphers_t; |
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38 |
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39 |
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40 typedef struct { |
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41 size_t out_len; |
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42 u_char *out; |
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43 |
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44 size_t prk_len; |
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45 const uint8_t *prk; |
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46 |
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47 size_t label_len; |
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48 const u_char *label; |
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49 } ngx_quic_hkdf_t; |
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50 |
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51 #define ngx_quic_hkdf_set(seq, _label, _out, _prk) \ |
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52 (seq)->out_len = (_out)->len; (seq)->out = (_out)->data; \ |
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53 (seq)->prk_len = (_prk)->len, (seq)->prk = (_prk)->data, \ |
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54 (seq)->label_len = (sizeof(_label) - 1); (seq)->label = (u_char *)(_label); |
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55 |
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56 |
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57 static ngx_int_t ngx_hkdf_expand(u_char *out_key, size_t out_len, |
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58 const EVP_MD *digest, const u_char *prk, size_t prk_len, |
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59 const u_char *info, size_t info_len); |
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60 static ngx_int_t ngx_hkdf_extract(u_char *out_key, size_t *out_len, |
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61 const EVP_MD *digest, const u_char *secret, size_t secret_len, |
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62 const u_char *salt, size_t salt_len); |
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63 |
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64 static uint64_t ngx_quic_parse_pn(u_char **pos, ngx_int_t len, u_char *mask, |
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65 uint64_t *largest_pn); |
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66 static void ngx_quic_compute_nonce(u_char *nonce, size_t len, uint64_t pn); |
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67 static ngx_int_t ngx_quic_ciphers(ngx_uint_t id, |
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68 ngx_quic_ciphers_t *ciphers, enum ssl_encryption_level_t level); |
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69 |
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70 static ngx_int_t ngx_quic_tls_open(const ngx_quic_cipher_t *cipher, |
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71 ngx_quic_secret_t *s, ngx_str_t *out, u_char *nonce, ngx_str_t *in, |
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73 static ngx_int_t ngx_quic_tls_seal(const ngx_quic_cipher_t *cipher, |
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74 ngx_quic_secret_t *s, ngx_str_t *out, u_char *nonce, ngx_str_t *in, |
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75 ngx_str_t *ad, ngx_log_t *log); |
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76 static ngx_int_t ngx_quic_tls_hp(ngx_log_t *log, const EVP_CIPHER *cipher, |
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77 ngx_quic_secret_t *s, u_char *out, u_char *in); |
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78 static ngx_int_t ngx_quic_hkdf_expand(ngx_quic_hkdf_t *hkdf, |
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79 const EVP_MD *digest, ngx_log_t *log); |
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80 |
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81 static ngx_int_t ngx_quic_create_packet(ngx_quic_header_t *pkt, |
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82 ngx_str_t *res); |
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83 static ngx_int_t ngx_quic_create_retry_packet(ngx_quic_header_t *pkt, |
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84 ngx_str_t *res); |
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85 |
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86 |
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87 static ngx_int_t |
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88 ngx_quic_ciphers(ngx_uint_t id, ngx_quic_ciphers_t *ciphers, |
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89 enum ssl_encryption_level_t level) |
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90 { |
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91 ngx_int_t len; |
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92 |
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93 if (level == ssl_encryption_initial) { |
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94 id = TLS1_3_CK_AES_128_GCM_SHA256; |
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95 } |
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96 |
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97 switch (id) { |
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98 |
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99 case TLS1_3_CK_AES_128_GCM_SHA256: |
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100 #ifdef OPENSSL_IS_BORINGSSL |
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101 ciphers->c = EVP_aead_aes_128_gcm(); |
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102 #else |
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103 ciphers->c = EVP_aes_128_gcm(); |
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104 #endif |
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105 ciphers->hp = EVP_aes_128_ctr(); |
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106 ciphers->d = EVP_sha256(); |
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107 len = 16; |
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108 break; |
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109 |
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110 case TLS1_3_CK_AES_256_GCM_SHA384: |
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111 #ifdef OPENSSL_IS_BORINGSSL |
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112 ciphers->c = EVP_aead_aes_256_gcm(); |
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113 #else |
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114 ciphers->c = EVP_aes_256_gcm(); |
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115 #endif |
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116 ciphers->hp = EVP_aes_256_ctr(); |
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117 ciphers->d = EVP_sha384(); |
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118 len = 32; |
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119 break; |
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120 |
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121 case TLS1_3_CK_CHACHA20_POLY1305_SHA256: |
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122 #ifdef OPENSSL_IS_BORINGSSL |
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123 ciphers->c = EVP_aead_chacha20_poly1305(); |
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124 #else |
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125 ciphers->c = EVP_chacha20_poly1305(); |
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126 #endif |
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127 #ifdef OPENSSL_IS_BORINGSSL |
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128 ciphers->hp = (const EVP_CIPHER *) EVP_aead_chacha20_poly1305(); |
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129 #else |
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130 ciphers->hp = EVP_chacha20(); |
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|
131 #endif |
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132 ciphers->d = EVP_sha256(); |
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133 len = 32; |
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134 break; |
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135 |
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|
136 default: |
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137 return NGX_ERROR; |
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|
138 } |
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139 |
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140 return len; |
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141 } |
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142 |
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143 |
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144 ngx_int_t |
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145 ngx_quic_keys_set_initial_secret(ngx_quic_keys_t *keys, ngx_str_t *secret, |
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146 ngx_log_t *log) |
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147 { |
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|
148 size_t is_len; |
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|
149 uint8_t is[SHA256_DIGEST_LENGTH]; |
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|
150 ngx_str_t iss; |
8191
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|
151 ngx_uint_t i; |
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|
152 const EVP_MD *digest; |
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153 ngx_quic_hkdf_t seq[8]; |
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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] = |
8271
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QUIC: draft-33 salt and retry keys.
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|
157 "\x38\x76\x2c\xf7\xf5\x59\x34\xb3\x4d\x17" |
3443ee341cc1
QUIC: draft-33 salt and retry keys.
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158 "\x9a\xe6\xa4\xc8\x0c\xad\xcc\xbb\x7f\x0a"; |
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159 |
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160 client = &keys->secrets[ssl_encryption_initial].client; |
9c3be23ddbe7
QUIC: refactored key handling.
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diff
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|
161 server = &keys->secrets[ssl_encryption_initial].server; |
9c3be23ddbe7
QUIC: refactored key handling.
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162 |
8498
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|
163 /* |
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164 * RFC 9001, section 5. Packet Protection |
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165 * |
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166 * Initial packets use AEAD_AES_128_GCM. The hash function |
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167 * for HKDF when deriving initial secrets and keys is SHA-256. |
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168 */ |
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169 |
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|
170 digest = EVP_sha256(); |
8379
0f8565e0fc76
QUIC: HKDF API compatibility with OpenSSL master branch.
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8351
diff
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171 is_len = SHA256_DIGEST_LENGTH; |
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172 |
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|
173 if (ngx_hkdf_extract(is, &is_len, digest, secret->data, secret->len, |
8815
d8865baab732
QUIC: removed draft versions support.
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diff
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|
174 salt, sizeof(salt)) |
7687
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|
175 != NGX_OK) |
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|
176 { |
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parents:
diff
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|
177 return NGX_ERROR; |
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|
178 } |
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179 |
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180 iss.len = is_len; |
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diff
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|
181 iss.data = is; |
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|
182 |
8916
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QUIC: avoided pool usage in ngx_quic_protection.c.
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|
183 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, log, 0, |
8295
d4e02b3b734f
QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8287
diff
changeset
|
184 "quic ngx_quic_set_initial_secret"); |
8137
52ad697f9d1c
QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents:
8103
diff
changeset
|
185 #ifdef NGX_QUIC_DEBUG_CRYPTO |
8916
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QUIC: avoided pool usage in ngx_quic_protection.c.
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186 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, log, 0, |
8235
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8216
diff
changeset
|
187 "quic salt len:%uz %*xs", sizeof(salt), sizeof(salt), salt); |
8916
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
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diff
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|
188 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, log, 0, |
8235
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
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parents:
8216
diff
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|
189 "quic initial secret len:%uz %*xs", is_len, is_len, is); |
7836 | 190 #endif |
7687
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diff
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|
191 |
7772
058a5af7ddfc
Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents:
7769
diff
changeset
|
192 client->secret.len = SHA256_DIGEST_LENGTH; |
058a5af7ddfc
Refactored QUIC secrets storage.
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7769
diff
changeset
|
193 server->secret.len = SHA256_DIGEST_LENGTH; |
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194 |
8501
e617d0ba387a
QUIC: optimized initial secrets key length computation.
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parents:
8500
diff
changeset
|
195 client->key.len = NGX_QUIC_AES_128_KEY_LEN; |
e617d0ba387a
QUIC: optimized initial secrets key length computation.
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diff
changeset
|
196 server->key.len = NGX_QUIC_AES_128_KEY_LEN; |
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197 |
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QUIC: optimized initial secrets key length computation.
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parents:
8500
diff
changeset
|
198 client->hp.len = NGX_QUIC_AES_128_KEY_LEN; |
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QUIC: optimized initial secrets key length computation.
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8500
diff
changeset
|
199 server->hp.len = NGX_QUIC_AES_128_KEY_LEN; |
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200 |
8500
ef8276c8ccff
QUIC: consistent use of 12-byte buffers in nonce computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8499
diff
changeset
|
201 client->iv.len = NGX_QUIC_IV_LEN; |
ef8276c8ccff
QUIC: consistent use of 12-byte buffers in nonce computation.
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8499
diff
changeset
|
202 server->iv.len = NGX_QUIC_IV_LEN; |
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203 |
8966
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QUIC: moved variable declaration to fix build with MSVC 2010.
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parents:
8952
diff
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|
204 /* labels per RFC 9001, 5.1. Packet Protection Keys */ |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
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parents:
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diff
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|
205 ngx_quic_hkdf_set(&seq[0], "tls13 client in", &client->secret, &iss); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
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parents:
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|
206 ngx_quic_hkdf_set(&seq[1], "tls13 quic key", &client->key, &client->secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
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diff
changeset
|
207 ngx_quic_hkdf_set(&seq[2], "tls13 quic iv", &client->iv, &client->secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
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diff
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|
208 ngx_quic_hkdf_set(&seq[3], "tls13 quic hp", &client->hp, &client->secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
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parents:
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diff
changeset
|
209 ngx_quic_hkdf_set(&seq[4], "tls13 server in", &server->secret, &iss); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
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parents:
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diff
changeset
|
210 ngx_quic_hkdf_set(&seq[5], "tls13 quic key", &server->key, &server->secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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diff
changeset
|
211 ngx_quic_hkdf_set(&seq[6], "tls13 quic iv", &server->iv, &server->secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
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parents:
8952
diff
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|
212 ngx_quic_hkdf_set(&seq[7], "tls13 quic hp", &server->hp, &server->secret); |
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213 |
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parents:
diff
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|
214 for (i = 0; i < (sizeof(seq) / sizeof(seq[0])); i++) { |
8916
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
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diff
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|
215 if (ngx_quic_hkdf_expand(&seq[i], digest, log) != NGX_OK) { |
7687
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parents:
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|
216 return NGX_ERROR; |
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parents:
diff
changeset
|
217 } |
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
218 } |
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parents:
diff
changeset
|
219 |
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
220 return NGX_OK; |
69345a26ba69
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parents:
diff
changeset
|
221 } |
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parents:
diff
changeset
|
222 |
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
223 |
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
224 static ngx_int_t |
8916
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parents:
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diff
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|
225 ngx_quic_hkdf_expand(ngx_quic_hkdf_t *h, const EVP_MD *digest, ngx_log_t *log) |
7687
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parents:
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changeset
|
226 { |
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Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
227 size_t info_len; |
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parents:
diff
changeset
|
228 uint8_t *p; |
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
229 uint8_t info[20]; |
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
230 |
8915
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
231 info_len = 2 + 1 + h->label_len + 1; |
7687
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
232 |
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Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
233 info[0] = 0; |
8915
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8815
diff
changeset
|
234 info[1] = h->out_len; |
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8815
diff
changeset
|
235 info[2] = h->label_len; |
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8815
diff
changeset
|
236 |
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8815
diff
changeset
|
237 p = ngx_cpymem(&info[3], h->label, h->label_len); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
238 *p = '\0'; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
239 |
8915
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8815
diff
changeset
|
240 if (ngx_hkdf_expand(h->out, h->out_len, digest, |
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8815
diff
changeset
|
241 h->prk, h->prk_len, info, info_len) |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
242 != NGX_OK) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
243 { |
8916
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
Vladimir Homutov <vl@nginx.com>
parents:
8915
diff
changeset
|
244 ngx_ssl_error(NGX_LOG_INFO, log, 0, |
8915
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8815
diff
changeset
|
245 "ngx_hkdf_expand(%*s) failed", h->label_len, h->label); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
246 return NGX_ERROR; |
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 |
7836 | 249 #ifdef NGX_QUIC_DEBUG_CRYPTO |
8916
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
Vladimir Homutov <vl@nginx.com>
parents:
8915
diff
changeset
|
250 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, log, 0, |
8915
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8815
diff
changeset
|
251 "quic expand \"%*s\" len:%uz %*xs", |
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8815
diff
changeset
|
252 h->label_len, h->label, h->out_len, h->out_len, h->out); |
7836 | 253 #endif |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
254 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
255 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
256 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
257 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
258 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
259 static ngx_int_t |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
260 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
|
261 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
|
262 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
263 #ifdef OPENSSL_IS_BORINGSSL |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
264 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
265 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
|
266 == 0) |
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 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
269 } |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
270 |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
271 return NGX_OK; |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
272 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
273 #else |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
274 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
275 EVP_PKEY_CTX *pctx; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
276 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
277 pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL); |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
278 if (pctx == NULL) { |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
279 return NGX_ERROR; |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
280 } |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
281 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
282 if (EVP_PKEY_derive_init(pctx) <= 0) { |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
283 goto failed; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
284 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
285 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
286 if (EVP_PKEY_CTX_hkdf_mode(pctx, EVP_PKEY_HKDEF_MODE_EXPAND_ONLY) <= 0) { |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
287 goto failed; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
288 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
289 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
290 if (EVP_PKEY_CTX_set_hkdf_md(pctx, digest) <= 0) { |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
291 goto failed; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
292 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
293 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
294 if (EVP_PKEY_CTX_set1_hkdf_key(pctx, prk, prk_len) <= 0) { |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
295 goto failed; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
296 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
297 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
298 if (EVP_PKEY_CTX_add1_hkdf_info(pctx, info, info_len) <= 0) { |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
299 goto failed; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
302 if (EVP_PKEY_derive(pctx, out_key, &out_len) <= 0) { |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
303 goto failed; |
7687
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 |
8389
c0cd180308e4
QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8379
diff
changeset
|
306 EVP_PKEY_CTX_free(pctx); |
c0cd180308e4
QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8379
diff
changeset
|
307 |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
308 return NGX_OK; |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
309 |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
310 failed: |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
311 |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
312 EVP_PKEY_CTX_free(pctx); |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
313 |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
314 return NGX_ERROR; |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
315 |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
316 #endif |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
317 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
318 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
319 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
320 static ngx_int_t |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
321 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
|
322 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
|
323 size_t salt_len) |
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 #ifdef OPENSSL_IS_BORINGSSL |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
326 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
327 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
|
328 salt_len) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
329 == 0) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
330 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
331 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
332 } |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
333 |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
334 return NGX_OK; |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
335 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
336 #else |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
337 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
338 EVP_PKEY_CTX *pctx; |
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 pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL); |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
341 if (pctx == NULL) { |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
342 return NGX_ERROR; |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
343 } |
7687
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 if (EVP_PKEY_derive_init(pctx) <= 0) { |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
346 goto failed; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
347 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
348 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
349 if (EVP_PKEY_CTX_hkdf_mode(pctx, EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY) <= 0) { |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
350 goto failed; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
351 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
352 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
353 if (EVP_PKEY_CTX_set_hkdf_md(pctx, digest) <= 0) { |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
354 goto failed; |
7687
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
357 if (EVP_PKEY_CTX_set1_hkdf_key(pctx, secret, secret_len) <= 0) { |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
358 goto failed; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
359 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
360 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
361 if (EVP_PKEY_CTX_set1_hkdf_salt(pctx, salt, salt_len) <= 0) { |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
362 goto failed; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
363 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
364 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
365 if (EVP_PKEY_derive(pctx, out_key, out_len) <= 0) { |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
366 goto failed; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
367 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
368 |
8389
c0cd180308e4
QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8379
diff
changeset
|
369 EVP_PKEY_CTX_free(pctx); |
c0cd180308e4
QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8379
diff
changeset
|
370 |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
371 return NGX_OK; |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
372 |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
373 failed: |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
374 |
8351
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
375 EVP_PKEY_CTX_free(pctx); |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
376 |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
377 return NGX_ERROR; |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
378 |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8322
diff
changeset
|
379 #endif |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
380 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
381 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
382 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
383 static ngx_int_t |
7754
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
7753
diff
changeset
|
384 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
|
385 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
|
386 ngx_log_t *log) |
7687
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 #ifdef OPENSSL_IS_BORINGSSL |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
390 EVP_AEAD_CTX *ctx; |
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 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
|
393 EVP_AEAD_DEFAULT_TAG_LENGTH); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
394 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
395 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
|
396 return NGX_ERROR; |
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 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
|
400 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
|
401 != 1) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
402 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
403 EVP_AEAD_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
404 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
|
405 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
406 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
407 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
408 EVP_AEAD_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
409 #else |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
410 int len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
411 u_char *tag; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
412 EVP_CIPHER_CTX *ctx; |
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 ctx = EVP_CIPHER_CTX_new(); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
415 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
416 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
|
417 return NGX_ERROR; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
420 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
|
421 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
422 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
|
423 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
424 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
425 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
426 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
|
427 == 0) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
428 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
429 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
430 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
|
431 "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
|
432 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
433 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
434 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
435 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
|
436 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
437 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_DecryptInit_ex() failed"); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
438 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
439 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
440 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
441 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
|
442 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
443 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_DecryptUpdate() failed"); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
444 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
445 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
446 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
447 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
|
448 in->len - EVP_GCM_TLS_TAG_LEN) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
449 != 1) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
450 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
451 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
452 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
|
453 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
454 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
455 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
456 out->len = len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
457 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
|
458 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
459 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
|
460 == 0) |
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 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
463 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
|
464 "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
|
465 return NGX_ERROR; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
468 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
|
469 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
470 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
|
471 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
472 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
473 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
474 out->len += len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
475 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
476 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
477 #endif |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
478 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
479 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
480 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
481 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
482 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
483 static ngx_int_t |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
484 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
|
485 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
|
486 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
487 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
488 #ifdef OPENSSL_IS_BORINGSSL |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
489 EVP_AEAD_CTX *ctx; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
490 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
491 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
|
492 EVP_AEAD_DEFAULT_TAG_LENGTH); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
493 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
494 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
|
495 return NGX_ERROR; |
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 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
|
499 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
|
500 != 1) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
501 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
502 EVP_AEAD_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
503 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
|
504 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
505 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
506 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
507 EVP_AEAD_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
508 #else |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
509 int len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
510 EVP_CIPHER_CTX *ctx; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
511 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
512 ctx = EVP_CIPHER_CTX_new(); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
513 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
514 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_CIPHER_CTX_new() failed"); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
515 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
516 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
517 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
518 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
|
519 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
520 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
|
521 return NGX_ERROR; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
524 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
|
525 == 0) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
526 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
527 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
528 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
|
529 "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
|
530 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
531 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
532 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
533 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
|
534 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
535 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_EncryptInit_ex() failed"); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
536 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
537 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
538 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
539 if (EVP_EncryptUpdate(ctx, NULL, &len, ad->data, ad->len) != 1) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
540 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
541 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_EncryptUpdate() failed"); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
542 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
543 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
544 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
545 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
|
546 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
547 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
|
548 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
549 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
550 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
551 out->len = len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
552 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
553 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
|
554 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
555 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
|
556 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
557 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
558 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
559 out->len += len; |
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_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
|
562 out->data + in->len) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
563 == 0) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
564 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
565 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
566 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
|
567 "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
|
568 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
569 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
570 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
571 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
572 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
573 out->len += EVP_GCM_TLS_TAG_LEN; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
574 #endif |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
575 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
576 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
577 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
578 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
579 static ngx_int_t |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
580 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
|
581 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
|
582 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
583 int outlen; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
584 EVP_CIPHER_CTX *ctx; |
8499
fc5719637aff
QUIC: consistent use of 5-byte buffers for header protection.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8498
diff
changeset
|
585 u_char zero[NGX_QUIC_HP_LEN] = {0}; |
7687
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 #ifdef OPENSSL_IS_BORINGSSL |
8499
fc5719637aff
QUIC: consistent use of 5-byte buffers for header protection.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8498
diff
changeset
|
588 uint32_t cnt; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
589 |
8499
fc5719637aff
QUIC: consistent use of 5-byte buffers for header protection.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8498
diff
changeset
|
590 ngx_memcpy(&cnt, in, sizeof(uint32_t)); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
591 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
592 if (cipher == (const EVP_CIPHER *) EVP_aead_chacha20_poly1305()) { |
8499
fc5719637aff
QUIC: consistent use of 5-byte buffers for header protection.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8498
diff
changeset
|
593 CRYPTO_chacha_20(out, zero, NGX_QUIC_HP_LEN, s->hp.data, &in[4], cnt); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
594 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
595 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
596 #endif |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
597 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
598 ctx = EVP_CIPHER_CTX_new(); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
599 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
600 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
601 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
602 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
603 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
|
604 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
|
605 goto failed; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
606 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
607 |
8499
fc5719637aff
QUIC: consistent use of 5-byte buffers for header protection.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8498
diff
changeset
|
608 if (!EVP_EncryptUpdate(ctx, out, &outlen, zero, NGX_QUIC_HP_LEN)) { |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
609 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_EncryptUpdate() failed"); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
610 goto failed; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
611 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
612 |
8499
fc5719637aff
QUIC: consistent use of 5-byte buffers for header protection.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8498
diff
changeset
|
613 if (!EVP_EncryptFinal_ex(ctx, out + NGX_QUIC_HP_LEN, &outlen)) { |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
614 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
|
615 goto failed; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
616 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
617 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
618 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
619 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
620 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
621 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
622 failed: |
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 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
625 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
626 return NGX_ERROR; |
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 |
8715
3341e4089c6c
QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8683
diff
changeset
|
630 ngx_int_t |
8916
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
Vladimir Homutov <vl@nginx.com>
parents:
8915
diff
changeset
|
631 ngx_quic_keys_set_encryption_secret(ngx_log_t *log, ngx_uint_t is_write, |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
632 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
|
633 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
|
634 { |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
635 ngx_int_t key_len; |
8915
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8815
diff
changeset
|
636 ngx_str_t secret_str; |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
637 ngx_uint_t i; |
8966
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
638 ngx_quic_hkdf_t seq[3]; |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
639 ngx_quic_secret_t *peer_secret; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
640 ngx_quic_ciphers_t ciphers; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
641 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
642 peer_secret = is_write ? &keys->secrets[level].server |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
643 : &keys->secrets[level].client; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
644 |
8952
172705615d04
QUIC: using native TLSv1.3 cipher suite constants.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8917
diff
changeset
|
645 keys->cipher = SSL_CIPHER_get_id(cipher); |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
646 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
647 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
|
648 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
649 if (key_len == NGX_ERROR) { |
8916
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
Vladimir Homutov <vl@nginx.com>
parents:
8915
diff
changeset
|
650 ngx_ssl_error(NGX_LOG_INFO, log, 0, "unexpected cipher"); |
8715
3341e4089c6c
QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8683
diff
changeset
|
651 return NGX_ERROR; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
652 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
653 |
8915
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8815
diff
changeset
|
654 if (sizeof(peer_secret->secret.data) < secret_len) { |
8916
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
Vladimir Homutov <vl@nginx.com>
parents:
8915
diff
changeset
|
655 ngx_log_error(NGX_LOG_ALERT, log, 0, |
8915
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8815
diff
changeset
|
656 "unexpected secret len: %uz", secret_len); |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
657 return NGX_ERROR; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
658 } |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
659 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
660 peer_secret->secret.len = secret_len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
661 ngx_memcpy(peer_secret->secret.data, secret, secret_len); |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
662 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
663 peer_secret->key.len = key_len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
664 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
|
665 peer_secret->hp.len = key_len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
666 |
8915
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8815
diff
changeset
|
667 secret_str.len = secret_len; |
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8815
diff
changeset
|
668 secret_str.data = (u_char *) secret; |
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8815
diff
changeset
|
669 |
8966
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
670 ngx_quic_hkdf_set(&seq[0], "tls13 quic key", |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
671 &peer_secret->key, &secret_str); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
672 ngx_quic_hkdf_set(&seq[1], "tls13 quic iv", &peer_secret->iv, &secret_str); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
673 ngx_quic_hkdf_set(&seq[2], "tls13 quic hp", &peer_secret->hp, &secret_str); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
674 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
675 for (i = 0; i < (sizeof(seq) / sizeof(seq[0])); i++) { |
8916
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
Vladimir Homutov <vl@nginx.com>
parents:
8915
diff
changeset
|
676 if (ngx_quic_hkdf_expand(&seq[i], ciphers.d, log) != NGX_OK) { |
8715
3341e4089c6c
QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8683
diff
changeset
|
677 return NGX_ERROR; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
678 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
679 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
680 |
8715
3341e4089c6c
QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8683
diff
changeset
|
681 return NGX_OK; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
682 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
683 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
684 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
685 ngx_uint_t |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
686 ngx_quic_keys_available(ngx_quic_keys_t *keys, |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
687 enum ssl_encryption_level_t level) |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
688 { |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
689 return keys->secrets[level].client.key.len != 0; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
690 } |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
691 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
692 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
693 void |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
694 ngx_quic_keys_discard(ngx_quic_keys_t *keys, |
8295
d4e02b3b734f
QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8287
diff
changeset
|
695 enum ssl_encryption_level_t level) |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
696 { |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
697 keys->secrets[level].client.key.len = 0; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
698 } |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
699 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
700 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
701 void |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
702 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
|
703 { |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
704 ngx_quic_secrets_t *current, *next, tmp; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
705 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
706 current = &keys->secrets[ssl_encryption_application]; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
707 next = &keys->next_key; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
708 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
709 tmp = *current; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
710 *current = *next; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
711 *next = tmp; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
712 } |
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 |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
715 ngx_int_t |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
716 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
|
717 { |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
718 ngx_uint_t i; |
8966
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
719 ngx_quic_hkdf_t seq[6]; |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
720 ngx_quic_ciphers_t ciphers; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
721 ngx_quic_secrets_t *current, *next; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
722 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
723 current = &keys->secrets[ssl_encryption_application]; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
724 next = &keys->next_key; |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
725 |
7837
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
7836
diff
changeset
|
726 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
|
727 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
728 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
|
729 == NGX_ERROR) |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
730 { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
731 return NGX_ERROR; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
732 } |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
733 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
734 next->client.secret.len = current->client.secret.len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
735 next->client.key.len = current->client.key.len; |
8500
ef8276c8ccff
QUIC: consistent use of 12-byte buffers in nonce computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8499
diff
changeset
|
736 next->client.iv.len = NGX_QUIC_IV_LEN; |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
737 next->client.hp = current->client.hp; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
738 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
739 next->server.secret.len = current->server.secret.len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
740 next->server.key.len = current->server.key.len; |
8500
ef8276c8ccff
QUIC: consistent use of 12-byte buffers in nonce computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8499
diff
changeset
|
741 next->server.iv.len = NGX_QUIC_IV_LEN; |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
742 next->server.hp = current->server.hp; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
743 |
8966
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
744 ngx_quic_hkdf_set(&seq[0], "tls13 quic ku", |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
745 &next->client.secret, ¤t->client.secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
746 ngx_quic_hkdf_set(&seq[1], "tls13 quic key", |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
747 &next->client.key, &next->client.secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
748 ngx_quic_hkdf_set(&seq[2], "tls13 quic iv", |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
749 &next->client.iv, &next->client.secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
750 ngx_quic_hkdf_set(&seq[3], "tls13 quic ku", |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
751 &next->server.secret, ¤t->server.secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
752 ngx_quic_hkdf_set(&seq[4], "tls13 quic key", |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
753 &next->server.key, &next->server.secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
754 ngx_quic_hkdf_set(&seq[5], "tls13 quic iv", |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8952
diff
changeset
|
755 &next->server.iv, &next->server.secret); |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
756 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
757 for (i = 0; i < (sizeof(seq) / sizeof(seq[0])); i++) { |
8916
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
Vladimir Homutov <vl@nginx.com>
parents:
8915
diff
changeset
|
758 if (ngx_quic_hkdf_expand(&seq[i], ciphers.d, c->log) != NGX_OK) { |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
759 return NGX_ERROR; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
760 } |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
761 } |
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_OK; |
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 |
7853
2d0f4aa78ed6
Restored ngx_quic_encrypt return type.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7852
diff
changeset
|
767 static ngx_int_t |
8214
e953bd2c5bb3
QUIC: merged create_long/short_packet() functions.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8213
diff
changeset
|
768 ngx_quic_create_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
|
769 { |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
770 u_char *pnp, *sample; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
771 ngx_str_t ad, out; |
7781
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
772 ngx_uint_t i; |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
773 ngx_quic_secret_t *secret; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
774 ngx_quic_ciphers_t ciphers; |
8500
ef8276c8ccff
QUIC: consistent use of 12-byte buffers in nonce computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8499
diff
changeset
|
775 u_char nonce[NGX_QUIC_IV_LEN], mask[NGX_QUIC_HP_LEN]; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
776 |
8683
de7b9af30fc6
QUIC: refactored packet creation.
Vladimir Homutov <vl@nginx.com>
parents:
8650
diff
changeset
|
777 ad.data = res->data; |
de7b9af30fc6
QUIC: refactored packet creation.
Vladimir Homutov <vl@nginx.com>
parents:
8650
diff
changeset
|
778 ad.len = ngx_quic_create_header(pkt, ad.data, &pnp); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
779 |
8683
de7b9af30fc6
QUIC: refactored packet creation.
Vladimir Homutov <vl@nginx.com>
parents:
8650
diff
changeset
|
780 out.len = pkt->payload.len + EVP_GCM_TLS_TAG_LEN; |
7784
1bb5e8538d0c
Removed excessive debugging in QUIC packet creation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7783
diff
changeset
|
781 out.data = res->data + ad.len; |
1bb5e8538d0c
Removed excessive debugging in QUIC packet creation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7783
diff
changeset
|
782 |
7836 | 783 #ifdef NGX_QUIC_DEBUG_CRYPTO |
8235
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8216
diff
changeset
|
784 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8216
diff
changeset
|
785 "quic ad len:%uz %xV", ad.len, &ad); |
7836 | 786 #endif |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
787 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
788 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
|
789 { |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
790 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
791 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
792 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
793 secret = &pkt->keys->secrets[pkt->level].server; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
794 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
795 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
|
796 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
|
797 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
798 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
|
799 nonce, &pkt->payload, &ad, pkt->log) |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
800 != NGX_OK) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
801 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
802 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
803 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
804 |
7781
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
805 sample = &out.data[4 - pkt->num_len]; |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
806 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
|
807 != NGX_OK) |
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
808 { |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
809 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
810 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
811 |
8498
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8415
diff
changeset
|
812 /* RFC 9001, 5.4.1. Header Protection Application */ |
8213
5fdd0ef42232
QUIC: macros for manipulating header protection and reserved bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8212
diff
changeset
|
813 ad.data[0] ^= mask[0] & ngx_quic_pkt_hp_mask(pkt->flags); |
7781
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
814 |
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
815 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
|
816 pnp[i] ^= mask[i + 1]; |
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
7779
diff
changeset
|
817 } |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
818 |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
819 res->len = ad.len + out.len; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
820 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
821 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
822 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
823 |
7751
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
7731
diff
changeset
|
824 |
7860
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
825 static ngx_int_t |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
826 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
|
827 { |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
828 u_char *start; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
829 ngx_str_t ad, itag; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
830 ngx_quic_secret_t secret; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
831 ngx_quic_ciphers_t ciphers; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
832 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
833 /* 5.8. Retry Packet Integrity */ |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
834 static u_char key[16] = |
8271
3443ee341cc1
QUIC: draft-33 salt and retry keys.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8266
diff
changeset
|
835 "\xbe\x0c\x69\x0b\x9f\x66\x57\x5a\x1d\x76\x6b\x54\xe3\x68\xc8\x4e"; |
8500
ef8276c8ccff
QUIC: consistent use of 12-byte buffers in nonce computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8499
diff
changeset
|
836 static u_char nonce[NGX_QUIC_IV_LEN] = |
8271
3443ee341cc1
QUIC: draft-33 salt and retry keys.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8266
diff
changeset
|
837 "\x46\x15\x99\xd3\x5d\x63\x2b\xf2\x23\x98\x25\xbb"; |
7860
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
838 static ngx_str_t in = ngx_string(""); |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
839 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
840 ad.data = res->data; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
841 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
|
842 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
843 itag.data = ad.data + ad.len; |
7871 | 844 itag.len = EVP_GCM_TLS_TAG_LEN; |
7860
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
845 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
846 #ifdef NGX_QUIC_DEBUG_CRYPTO |
8235
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8216
diff
changeset
|
847 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8216
diff
changeset
|
848 "quic retry itag len:%uz %xV", ad.len, &ad); |
7860
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
849 #endif |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
850 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
851 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
|
852 return NGX_ERROR; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
853 } |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
854 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
855 secret.key.len = sizeof(key); |
8915
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8815
diff
changeset
|
856 ngx_memcpy(secret.key.data, key, sizeof(key)); |
8500
ef8276c8ccff
QUIC: consistent use of 12-byte buffers in nonce computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8499
diff
changeset
|
857 secret.iv.len = NGX_QUIC_IV_LEN; |
7860
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
858 |
8815
d8865baab732
QUIC: removed draft versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8715
diff
changeset
|
859 if (ngx_quic_tls_seal(ciphers.c, &secret, &itag, nonce, &in, &ad, pkt->log) |
7860
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
860 != NGX_OK) |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
861 { |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
862 return NGX_ERROR; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
863 } |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
864 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
865 res->len = itag.data + itag.len - start; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
866 res->data = start; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
867 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
868 return NGX_OK; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
869 } |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
870 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
871 |
8100
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
872 ngx_int_t |
8287
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
873 ngx_quic_derive_key(ngx_log_t *log, const char *label, ngx_str_t *secret, |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
874 ngx_str_t *salt, u_char *out, size_t len) |
8100
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
875 { |
8287
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
876 size_t is_len, info_len; |
8100
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
877 uint8_t *p; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
878 const EVP_MD *digest; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
879 |
8287
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
880 uint8_t is[SHA256_DIGEST_LENGTH]; |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
881 uint8_t info[20]; |
8100
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
882 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
883 digest = EVP_sha256(); |
8379
0f8565e0fc76
QUIC: HKDF API compatibility with OpenSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8351
diff
changeset
|
884 is_len = SHA256_DIGEST_LENGTH; |
8100
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
885 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
886 if (ngx_hkdf_extract(is, &is_len, digest, secret->data, secret->len, |
8287
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
887 salt->data, salt->len) |
8295
d4e02b3b734f
QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8287
diff
changeset
|
888 != NGX_OK) |
8100
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
889 { |
8287
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
890 ngx_ssl_error(NGX_LOG_INFO, log, 0, |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
891 "ngx_hkdf_extract(%s) failed", label); |
8100
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
892 return NGX_ERROR; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
893 } |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
894 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
895 info[0] = 0; |
8287
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
896 info[1] = len; |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
897 info[2] = ngx_strlen(label); |
8100
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
898 |
8287
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
899 info_len = 2 + 1 + info[2] + 1; |
8100
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
900 |
8287
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
901 if (info_len >= 20) { |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
902 ngx_log_error(NGX_LOG_INFO, log, 0, |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
903 "ngx_quic_create_key label \"%s\" too long", label); |
8100
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
904 return NGX_ERROR; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
905 } |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
906 |
8287
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
907 p = ngx_cpymem(&info[3], label, info[2]); |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
908 *p = '\0'; |
8100
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
909 |
8287
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
910 if (ngx_hkdf_expand(out, len, digest, is, is_len, info, info_len) != NGX_OK) |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
911 { |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
912 ngx_ssl_error(NGX_LOG_INFO, log, 0, |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
913 "ngx_hkdf_expand(%s) failed", label); |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
914 return NGX_ERROR; |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8271
diff
changeset
|
915 } |
8100
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
916 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
917 return NGX_OK; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
918 } |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
919 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8096
diff
changeset
|
920 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
921 static uint64_t |
7816
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
922 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
|
923 uint64_t *largest_pn) |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
924 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
925 u_char *p; |
7816
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
926 uint64_t truncated_pn, expected_pn, candidate_pn; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
927 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
|
928 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
929 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
|
930 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
931 p = *pos; |
7816
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
932 truncated_pn = *p++ ^ *mask++; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
933 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
934 while (--len) { |
7816
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
935 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
|
936 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
937 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
938 *pos = p; |
7816
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
939 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
940 expected_pn = *largest_pn + 1; |
7871 | 941 pn_win = 1ULL << pn_nbits; |
7816
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
942 pn_hwin = pn_win / 2; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
943 pn_mask = pn_win - 1; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
944 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
945 candidate_pn = (expected_pn & ~pn_mask) | truncated_pn; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
946 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
947 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
|
948 && candidate_pn < (1ULL << 62) - pn_win) |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
949 { |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
950 candidate_pn += pn_win; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
951 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
952 } else if (candidate_pn > expected_pn + pn_hwin |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
953 && candidate_pn >= pn_win) |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
954 { |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
955 candidate_pn -= pn_win; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
956 } |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
957 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
958 *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
|
959 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7790
diff
changeset
|
960 return candidate_pn; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
961 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
962 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
963 |
7776
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7773
diff
changeset
|
964 static void |
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7773
diff
changeset
|
965 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
|
966 { |
8979
70ce1e927715
QUIC: fixed computation of nonce with packet numbers beyond 2^32.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8968
diff
changeset
|
967 nonce[len - 8] ^= (pn >> 56) & 0x3f; |
70ce1e927715
QUIC: fixed computation of nonce with packet numbers beyond 2^32.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8968
diff
changeset
|
968 nonce[len - 7] ^= (pn >> 48) & 0xff; |
70ce1e927715
QUIC: fixed computation of nonce with packet numbers beyond 2^32.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8968
diff
changeset
|
969 nonce[len - 6] ^= (pn >> 40) & 0xff; |
70ce1e927715
QUIC: fixed computation of nonce with packet numbers beyond 2^32.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8968
diff
changeset
|
970 nonce[len - 5] ^= (pn >> 32) & 0xff; |
70ce1e927715
QUIC: fixed computation of nonce with packet numbers beyond 2^32.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8968
diff
changeset
|
971 nonce[len - 4] ^= (pn >> 24) & 0xff; |
70ce1e927715
QUIC: fixed computation of nonce with packet numbers beyond 2^32.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8968
diff
changeset
|
972 nonce[len - 3] ^= (pn >> 16) & 0xff; |
70ce1e927715
QUIC: fixed computation of nonce with packet numbers beyond 2^32.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8968
diff
changeset
|
973 nonce[len - 2] ^= (pn >> 8) & 0xff; |
70ce1e927715
QUIC: fixed computation of nonce with packet numbers beyond 2^32.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8968
diff
changeset
|
974 nonce[len - 1] ^= pn & 0xff; |
7776
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7773
diff
changeset
|
975 } |
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7773
diff
changeset
|
976 |
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7773
diff
changeset
|
977 |
7853
2d0f4aa78ed6
Restored ngx_quic_encrypt return type.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7852
diff
changeset
|
978 ngx_int_t |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
979 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
|
980 { |
7860
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
981 if (ngx_quic_pkt_retry(pkt->flags)) { |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7853
diff
changeset
|
982 return ngx_quic_create_retry_packet(pkt, res); |
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 |
8214
e953bd2c5bb3
QUIC: merged create_long/short_packet() functions.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8213
diff
changeset
|
985 return ngx_quic_create_packet(pkt, res); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
986 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
987 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
988 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
989 ngx_int_t |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
990 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
|
991 { |
8215
ae4bffb75df8
QUIC: simplified and streamlined ngx_quic_decrypt().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8214
diff
changeset
|
992 u_char *p, *sample; |
8096
0f37b4ef3cd9
QUIC: keep the entire packet size in pkt->len.
Roman Arutyunyan <arut@nginx.com>
parents:
8082
diff
changeset
|
993 size_t len; |
8070
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8063
diff
changeset
|
994 uint64_t pn, lpn; |
8968
e23fd55e1cc6
QUIC: fixed C4389 MSVC warning about signed/unsigned mismatch.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8967
diff
changeset
|
995 ngx_int_t pnl, rc; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
996 ngx_str_t in, ad; |
8968
e23fd55e1cc6
QUIC: fixed C4389 MSVC warning about signed/unsigned mismatch.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8967
diff
changeset
|
997 ngx_uint_t key_phase; |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
998 ngx_quic_secret_t *secret; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
999 ngx_quic_ciphers_t ciphers; |
8500
ef8276c8ccff
QUIC: consistent use of 12-byte buffers in nonce computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8499
diff
changeset
|
1000 uint8_t nonce[NGX_QUIC_IV_LEN], mask[NGX_QUIC_HP_LEN]; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1001 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
1002 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
|
1003 { |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1004 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1005 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1006 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
1007 secret = &pkt->keys->secrets[pkt->level].client; |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1008 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1009 p = pkt->raw->pos; |
8096
0f37b4ef3cd9
QUIC: keep the entire packet size in pkt->len.
Roman Arutyunyan <arut@nginx.com>
parents:
8082
diff
changeset
|
1010 len = pkt->data + pkt->len - p; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1011 |
8498
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8415
diff
changeset
|
1012 /* |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8415
diff
changeset
|
1013 * RFC 9001, 5.4.2. Header Protection Sample |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8415
diff
changeset
|
1014 * 5.4.3. AES-Based Header Protection |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8415
diff
changeset
|
1015 * 5.4.4. ChaCha20-Based Header Protection |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8415
diff
changeset
|
1016 * |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1017 * the Packet Number field is assumed to be 4 bytes long |
8498
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8415
diff
changeset
|
1018 * AES and ChaCha20 algorithms sample 16 bytes |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1019 */ |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1020 |
8096
0f37b4ef3cd9
QUIC: keep the entire packet size in pkt->len.
Roman Arutyunyan <arut@nginx.com>
parents:
8082
diff
changeset
|
1021 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
|
1022 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
|
1023 } |
9aedab0f0dff
QUIC: check that the packet length is of at least sample size.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8080
diff
changeset
|
1024 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1025 sample = p + 4; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1026 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1027 /* header protection */ |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1028 |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1029 if (ngx_quic_tls_hp(pkt->log, ciphers.hp, secret, mask, sample) |
7753 | 1030 != NGX_OK) |
1031 { | |
7941
df29219988bc
Discard short packets which could not be decrypted.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7940
diff
changeset
|
1032 return NGX_DECLINED; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1033 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1034 |
8215
ae4bffb75df8
QUIC: simplified and streamlined ngx_quic_decrypt().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8214
diff
changeset
|
1035 pkt->flags ^= mask[0] & ngx_quic_pkt_hp_mask(pkt->flags); |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1036 |
8213
5fdd0ef42232
QUIC: macros for manipulating header protection and reserved bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8212
diff
changeset
|
1037 if (ngx_quic_short_pkt(pkt->flags)) { |
8215
ae4bffb75df8
QUIC: simplified and streamlined ngx_quic_decrypt().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8214
diff
changeset
|
1038 key_phase = (pkt->flags & NGX_QUIC_PKT_KPHASE) != 0; |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1039 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1040 if (key_phase != pkt->key_phase) { |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8168
diff
changeset
|
1041 secret = &pkt->keys->next_key.client; |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1042 pkt->key_update = 1; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1043 } |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1044 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1045 |
8070
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8063
diff
changeset
|
1046 lpn = *largest_pn; |
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8063
diff
changeset
|
1047 |
8215
ae4bffb75df8
QUIC: simplified and streamlined ngx_quic_decrypt().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8214
diff
changeset
|
1048 pnl = (pkt->flags & 0x03) + 1; |
8070
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8063
diff
changeset
|
1049 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
|
1050 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1051 pkt->pn = pn; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1052 |
7753 | 1053 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
8215
ae4bffb75df8
QUIC: simplified and streamlined ngx_quic_decrypt().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8214
diff
changeset
|
1054 "quic packet rx clearflags:%xd", pkt->flags); |
7753 | 1055 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
|
1056 "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
|
1057 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1058 /* packet protection */ |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1059 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1060 in.data = p; |
8096
0f37b4ef3cd9
QUIC: keep the entire packet size in pkt->len.
Roman Arutyunyan <arut@nginx.com>
parents:
8082
diff
changeset
|
1061 in.len = len - pnl; |
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 ad.len = p - pkt->data; |
7754
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
7753
diff
changeset
|
1064 ad.data = pkt->plaintext; |
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 ngx_memcpy(ad.data, pkt->data, ad.len); |
8215
ae4bffb75df8
QUIC: simplified and streamlined ngx_quic_decrypt().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8214
diff
changeset
|
1067 ad.data[0] = pkt->flags; |
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 do { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1070 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
|
1071 } while (--pnl); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1072 |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1073 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
|
1074 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
|
1075 |
7836 | 1076 #ifdef NGX_QUIC_DEBUG_CRYPTO |
8235
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8216
diff
changeset
|
1077 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8216
diff
changeset
|
1078 "quic ad len:%uz %xV", ad.len, &ad); |
7836 | 1079 #endif |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1080 |
7754
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
7753
diff
changeset
|
1081 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
|
1082 pkt->payload.data = pkt->plaintext + ad.len; |
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
7753
diff
changeset
|
1083 |
7785
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7784
diff
changeset
|
1084 rc = ngx_quic_tls_open(ciphers.c, secret, &pkt->payload, |
7753 | 1085 nonce, &in, &ad, pkt->log); |
7863
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1086 if (rc != NGX_OK) { |
7941
df29219988bc
Discard short packets which could not be decrypted.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7940
diff
changeset
|
1087 return NGX_DECLINED; |
7863
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1088 } |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1089 |
8216
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8215
diff
changeset
|
1090 if (pkt->payload.len == 0) { |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8215
diff
changeset
|
1091 /* |
8498
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8415
diff
changeset
|
1092 * RFC 9000, 12.4. Frames and Frame Types |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8415
diff
changeset
|
1093 * |
8216
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8215
diff
changeset
|
1094 * An endpoint MUST treat receipt of a packet containing no |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8215
diff
changeset
|
1095 * frames as a connection error of type PROTOCOL_VIOLATION. |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8215
diff
changeset
|
1096 */ |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8215
diff
changeset
|
1097 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic zero-length packet"); |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8215
diff
changeset
|
1098 pkt->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION; |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8215
diff
changeset
|
1099 return NGX_ERROR; |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8215
diff
changeset
|
1100 } |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8215
diff
changeset
|
1101 |
8215
ae4bffb75df8
QUIC: simplified and streamlined ngx_quic_decrypt().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8214
diff
changeset
|
1102 if (pkt->flags & ngx_quic_pkt_rb_mask(pkt->flags)) { |
7863
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1103 /* |
8498
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8415
diff
changeset
|
1104 * RFC 9000, Reserved Bits |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8415
diff
changeset
|
1105 * |
7863
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1106 * 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
|
1107 * 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
|
1108 * 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
|
1109 * of type PROTOCOL_VIOLATION. |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1110 */ |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1111 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
|
1112 "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
|
1113 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
|
1114 return NGX_ERROR; |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1115 } |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1116 |
8216
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8215
diff
changeset
|
1117 #if defined(NGX_QUIC_DEBUG_CRYPTO) && defined(NGX_QUIC_DEBUG_PACKETS) |
8235
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8216
diff
changeset
|
1118 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8216
diff
changeset
|
1119 "quic packet payload len:%uz %xV", |
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8216
diff
changeset
|
1120 pkt->payload.len, &pkt->payload); |
8216
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8215
diff
changeset
|
1121 #endif |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8215
diff
changeset
|
1122 |
8070
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8063
diff
changeset
|
1123 *largest_pn = lpn; |
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8063
diff
changeset
|
1124 |
7863
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
7860
diff
changeset
|
1125 return NGX_OK; |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1126 } |