Mercurial > hg > nginx
annotate src/event/quic/ngx_event_quic_protection.c @ 9122:a32905d6fc10
QUIC: fixed rttvar on subsequent RTT samples (ticket #2505).
Previously, computing rttvar used an updated smoothed_rtt value as per
RFC 9002, section 5.3, which appears to be specified in a wrong order.
A technical errata ID 7539 is reported.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Mon, 12 Jun 2023 23:38:56 +0400 |
parents | 7da4791e0264 |
children | 29a6c0e11f75 |
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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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QUIC: normalize header inclusion.
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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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QUIC: consistent use of 5-byte buffers for header protection.
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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 static ngx_int_t ngx_hkdf_expand(u_char *out_key, size_t out_len, |
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27 const EVP_MD *digest, const u_char *prk, size_t prk_len, |
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28 const u_char *info, size_t info_len); |
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29 static ngx_int_t ngx_hkdf_extract(u_char *out_key, size_t *out_len, |
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30 const EVP_MD *digest, const u_char *secret, size_t secret_len, |
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31 const u_char *salt, size_t salt_len); |
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32 |
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33 static uint64_t ngx_quic_parse_pn(u_char **pos, ngx_int_t len, u_char *mask, |
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34 uint64_t *largest_pn); |
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35 |
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36 static ngx_int_t ngx_quic_tls_open(const ngx_quic_cipher_t *cipher, |
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37 ngx_quic_secret_t *s, ngx_str_t *out, u_char *nonce, ngx_str_t *in, |
8287 | 38 ngx_str_t *ad, ngx_log_t *log); |
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39 static ngx_int_t ngx_quic_tls_hp(ngx_log_t *log, const EVP_CIPHER *cipher, |
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40 ngx_quic_secret_t *s, u_char *out, u_char *in); |
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41 |
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42 static ngx_int_t ngx_quic_create_packet(ngx_quic_header_t *pkt, |
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43 ngx_str_t *res); |
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44 static ngx_int_t ngx_quic_create_retry_packet(ngx_quic_header_t *pkt, |
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45 ngx_str_t *res); |
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46 |
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47 |
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48 ngx_int_t |
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49 ngx_quic_ciphers(ngx_uint_t id, ngx_quic_ciphers_t *ciphers, |
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50 enum ssl_encryption_level_t level) |
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51 { |
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52 ngx_int_t len; |
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53 |
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54 if (level == ssl_encryption_initial) { |
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55 id = TLS1_3_CK_AES_128_GCM_SHA256; |
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56 } |
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57 |
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58 switch (id) { |
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59 |
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60 case TLS1_3_CK_AES_128_GCM_SHA256: |
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61 #ifdef OPENSSL_IS_BORINGSSL |
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62 ciphers->c = EVP_aead_aes_128_gcm(); |
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63 #else |
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64 ciphers->c = EVP_aes_128_gcm(); |
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65 #endif |
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66 ciphers->hp = EVP_aes_128_ctr(); |
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67 ciphers->d = EVP_sha256(); |
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68 len = 16; |
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69 break; |
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70 |
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71 case TLS1_3_CK_AES_256_GCM_SHA384: |
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72 #ifdef OPENSSL_IS_BORINGSSL |
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73 ciphers->c = EVP_aead_aes_256_gcm(); |
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74 #else |
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75 ciphers->c = EVP_aes_256_gcm(); |
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76 #endif |
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77 ciphers->hp = EVP_aes_256_ctr(); |
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78 ciphers->d = EVP_sha384(); |
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79 len = 32; |
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80 break; |
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81 |
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82 case TLS1_3_CK_CHACHA20_POLY1305_SHA256: |
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83 #ifdef OPENSSL_IS_BORINGSSL |
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84 ciphers->c = EVP_aead_chacha20_poly1305(); |
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85 #else |
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86 ciphers->c = EVP_chacha20_poly1305(); |
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87 #endif |
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88 #ifdef OPENSSL_IS_BORINGSSL |
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89 ciphers->hp = (const EVP_CIPHER *) EVP_aead_chacha20_poly1305(); |
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90 #else |
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91 ciphers->hp = EVP_chacha20(); |
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92 #endif |
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93 ciphers->d = EVP_sha256(); |
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94 len = 32; |
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95 break; |
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96 |
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97 default: |
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98 return NGX_ERROR; |
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99 } |
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100 |
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101 return len; |
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102 } |
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103 |
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104 |
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105 ngx_int_t |
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106 ngx_quic_keys_set_initial_secret(ngx_quic_keys_t *keys, ngx_str_t *secret, |
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107 ngx_log_t *log) |
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108 { |
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109 size_t is_len; |
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110 uint8_t is[SHA256_DIGEST_LENGTH]; |
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111 ngx_str_t iss; |
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112 ngx_uint_t i; |
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113 const EVP_MD *digest; |
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114 ngx_quic_hkdf_t seq[8]; |
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115 ngx_quic_secret_t *client, *server; |
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116 |
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117 static const uint8_t salt[20] = |
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118 "\x38\x76\x2c\xf7\xf5\x59\x34\xb3\x4d\x17" |
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|
119 "\x9a\xe6\xa4\xc8\x0c\xad\xcc\xbb\x7f\x0a"; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
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|
120 |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
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|
121 client = &keys->secrets[ssl_encryption_initial].client; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
122 server = &keys->secrets[ssl_encryption_initial].server; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
123 |
8797
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8755
diff
changeset
|
124 /* |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8755
diff
changeset
|
125 * RFC 9001, section 5. Packet Protection |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8755
diff
changeset
|
126 * |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8755
diff
changeset
|
127 * Initial packets use AEAD_AES_128_GCM. The hash function |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8755
diff
changeset
|
128 * for HKDF when deriving initial secrets and keys is SHA-256. |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8755
diff
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|
129 */ |
8221
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
130 |
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
131 digest = EVP_sha256(); |
8729
0f8565e0fc76
QUIC: HKDF API compatibility with OpenSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8716
diff
changeset
|
132 is_len = SHA256_DIGEST_LENGTH; |
8221
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
133 |
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Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
134 if (ngx_hkdf_extract(is, &is_len, digest, secret->data, secret->len, |
8980
d8865baab732
QUIC: removed draft versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8926
diff
changeset
|
135 salt, sizeof(salt)) |
8221
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
136 != NGX_OK) |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
137 { |
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Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
138 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
139 } |
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Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
140 |
9040
8c0bccdf2743
QUIC: avoid using C99 designated initializers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9039
diff
changeset
|
141 iss.len = is_len; |
8c0bccdf2743
QUIC: avoid using C99 designated initializers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9039
diff
changeset
|
142 iss.data = is; |
8221
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Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
143 |
9024
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
Vladimir Homutov <vl@nginx.com>
parents:
9023
diff
changeset
|
144 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, log, 0, |
8702
d4e02b3b734f
QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8694
diff
changeset
|
145 "quic ngx_quic_set_initial_secret"); |
8578
52ad697f9d1c
QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents:
8565
diff
changeset
|
146 #ifdef NGX_QUIC_DEBUG_CRYPTO |
9024
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
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parents:
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diff
changeset
|
147 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, log, 0, |
8651
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8646
diff
changeset
|
148 "quic salt len:%uz %*xs", sizeof(salt), sizeof(salt), salt); |
9024
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
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parents:
9023
diff
changeset
|
149 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, log, 0, |
8651
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8646
diff
changeset
|
150 "quic initial secret len:%uz %*xs", is_len, is_len, is); |
8359 | 151 #endif |
8221
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parents:
diff
changeset
|
152 |
8306
058a5af7ddfc
Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents:
8303
diff
changeset
|
153 client->secret.len = SHA256_DIGEST_LENGTH; |
058a5af7ddfc
Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents:
8303
diff
changeset
|
154 server->secret.len = SHA256_DIGEST_LENGTH; |
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
155 |
8800
e617d0ba387a
QUIC: optimized initial secrets key length computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8799
diff
changeset
|
156 client->key.len = NGX_QUIC_AES_128_KEY_LEN; |
e617d0ba387a
QUIC: optimized initial secrets key length computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8799
diff
changeset
|
157 server->key.len = NGX_QUIC_AES_128_KEY_LEN; |
8221
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parents:
diff
changeset
|
158 |
8800
e617d0ba387a
QUIC: optimized initial secrets key length computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8799
diff
changeset
|
159 client->hp.len = NGX_QUIC_AES_128_KEY_LEN; |
e617d0ba387a
QUIC: optimized initial secrets key length computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8799
diff
changeset
|
160 server->hp.len = NGX_QUIC_AES_128_KEY_LEN; |
8221
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Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
161 |
8799
ef8276c8ccff
QUIC: consistent use of 12-byte buffers in nonce computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8798
diff
changeset
|
162 client->iv.len = NGX_QUIC_IV_LEN; |
ef8276c8ccff
QUIC: consistent use of 12-byte buffers in nonce computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8798
diff
changeset
|
163 server->iv.len = NGX_QUIC_IV_LEN; |
8221
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Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
164 |
9039
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
165 /* labels per RFC 9001, 5.1. Packet Protection Keys */ |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
166 ngx_quic_hkdf_set(&seq[0], "tls13 client in", &client->secret, &iss); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
167 ngx_quic_hkdf_set(&seq[1], "tls13 quic key", &client->key, &client->secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
168 ngx_quic_hkdf_set(&seq[2], "tls13 quic iv", &client->iv, &client->secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
169 ngx_quic_hkdf_set(&seq[3], "tls13 quic hp", &client->hp, &client->secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
170 ngx_quic_hkdf_set(&seq[4], "tls13 server in", &server->secret, &iss); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
171 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:
9030
diff
changeset
|
172 ngx_quic_hkdf_set(&seq[6], "tls13 quic iv", &server->iv, &server->secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
173 ngx_quic_hkdf_set(&seq[7], "tls13 quic hp", &server->hp, &server->secret); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
174 |
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Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
175 for (i = 0; i < (sizeof(seq) / sizeof(seq[0])); i++) { |
9024
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
Vladimir Homutov <vl@nginx.com>
parents:
9023
diff
changeset
|
176 if (ngx_quic_hkdf_expand(&seq[i], digest, log) != NGX_OK) { |
8221
69345a26ba69
Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
177 return NGX_ERROR; |
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
178 } |
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Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
179 } |
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Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
180 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
181 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
182 } |
69345a26ba69
Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
183 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
184 |
9080
7da4791e0264
QUIC: OpenSSL compatibility layer.
Roman Arutyunyan <arut@nginx.com>
parents:
9047
diff
changeset
|
185 ngx_int_t |
9024
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
Vladimir Homutov <vl@nginx.com>
parents:
9023
diff
changeset
|
186 ngx_quic_hkdf_expand(ngx_quic_hkdf_t *h, const EVP_MD *digest, ngx_log_t *log) |
8221
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parents:
diff
changeset
|
187 { |
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Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
188 size_t info_len; |
69345a26ba69
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parents:
diff
changeset
|
189 uint8_t *p; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
190 uint8_t info[20]; |
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
191 |
9023
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8980
diff
changeset
|
192 info_len = 2 + 1 + h->label_len + 1; |
8221
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parents:
diff
changeset
|
193 |
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parents:
diff
changeset
|
194 info[0] = 0; |
9023
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QUIC: fixed-length buffers for secrets.
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parents:
8980
diff
changeset
|
195 info[1] = h->out_len; |
d8b3851f172c
QUIC: fixed-length buffers for secrets.
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parents:
8980
diff
changeset
|
196 info[2] = h->label_len; |
d8b3851f172c
QUIC: fixed-length buffers for secrets.
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parents:
8980
diff
changeset
|
197 |
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8980
diff
changeset
|
198 p = ngx_cpymem(&info[3], h->label, h->label_len); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
199 *p = '\0'; |
69345a26ba69
Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
200 |
9023
d8b3851f172c
QUIC: fixed-length buffers for secrets.
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parents:
8980
diff
changeset
|
201 if (ngx_hkdf_expand(h->out, h->out_len, digest, |
d8b3851f172c
QUIC: fixed-length buffers for secrets.
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parents:
8980
diff
changeset
|
202 h->prk, h->prk_len, info, info_len) |
8221
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
203 != NGX_OK) |
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
204 { |
9024
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
Vladimir Homutov <vl@nginx.com>
parents:
9023
diff
changeset
|
205 ngx_ssl_error(NGX_LOG_INFO, log, 0, |
9023
d8b3851f172c
QUIC: fixed-length buffers for secrets.
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parents:
8980
diff
changeset
|
206 "ngx_hkdf_expand(%*s) failed", h->label_len, h->label); |
8221
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parents:
diff
changeset
|
207 return NGX_ERROR; |
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parents:
diff
changeset
|
208 } |
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parents:
diff
changeset
|
209 |
8359 | 210 #ifdef NGX_QUIC_DEBUG_CRYPTO |
9024
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
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parents:
9023
diff
changeset
|
211 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, log, 0, |
9023
d8b3851f172c
QUIC: fixed-length buffers for secrets.
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parents:
8980
diff
changeset
|
212 "quic expand \"%*s\" len:%uz %*xs", |
d8b3851f172c
QUIC: fixed-length buffers for secrets.
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parents:
8980
diff
changeset
|
213 h->label_len, h->label, h->out_len, h->out_len, h->out); |
8359 | 214 #endif |
8221
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parents:
diff
changeset
|
215 |
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parents:
diff
changeset
|
216 return NGX_OK; |
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parents:
diff
changeset
|
217 } |
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parents:
diff
changeset
|
218 |
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parents:
diff
changeset
|
219 |
69345a26ba69
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
220 static ngx_int_t |
69345a26ba69
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parents:
diff
changeset
|
221 ngx_hkdf_expand(u_char *out_key, size_t out_len, const EVP_MD *digest, |
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parents:
diff
changeset
|
222 const uint8_t *prk, size_t prk_len, const u_char *info, size_t info_len) |
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parents:
diff
changeset
|
223 { |
69345a26ba69
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
224 #ifdef OPENSSL_IS_BORINGSSL |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
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parents:
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diff
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|
225 |
8221
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diff
changeset
|
226 if (HKDF_expand(out_key, out_len, digest, prk, prk_len, info, info_len) |
69345a26ba69
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
227 == 0) |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
228 { |
69345a26ba69
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
229 return NGX_ERROR; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
230 } |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
231 |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
232 return NGX_OK; |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
233 |
8221
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parents:
diff
changeset
|
234 #else |
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
235 |
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Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
236 EVP_PKEY_CTX *pctx; |
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Split transport and crypto parts into separate files.
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parents:
diff
changeset
|
237 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
238 pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL); |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
239 if (pctx == NULL) { |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
240 return NGX_ERROR; |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
241 } |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
242 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
243 if (EVP_PKEY_derive_init(pctx) <= 0) { |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
244 goto failed; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
245 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
246 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
247 if (EVP_PKEY_CTX_hkdf_mode(pctx, EVP_PKEY_HKDEF_MODE_EXPAND_ONLY) <= 0) { |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
248 goto failed; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
249 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
250 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
251 if (EVP_PKEY_CTX_set_hkdf_md(pctx, digest) <= 0) { |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
252 goto failed; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
253 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
254 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
255 if (EVP_PKEY_CTX_set1_hkdf_key(pctx, prk, prk_len) <= 0) { |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
256 goto failed; |
8221
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 if (EVP_PKEY_CTX_add1_hkdf_info(pctx, info, info_len) <= 0) { |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
260 goto failed; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
261 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
262 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
263 if (EVP_PKEY_derive(pctx, out_key, &out_len) <= 0) { |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
264 goto failed; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
265 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
266 |
8739
c0cd180308e4
QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8729
diff
changeset
|
267 EVP_PKEY_CTX_free(pctx); |
c0cd180308e4
QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8729
diff
changeset
|
268 |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
269 return NGX_OK; |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
270 |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
271 failed: |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
272 |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
273 EVP_PKEY_CTX_free(pctx); |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
274 |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
275 return NGX_ERROR; |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
276 |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
277 #endif |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
278 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
279 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
280 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
281 static ngx_int_t |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
282 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
|
283 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
|
284 size_t salt_len) |
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 #ifdef OPENSSL_IS_BORINGSSL |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
287 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
288 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
|
289 salt_len) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
290 == 0) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
291 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
292 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
293 } |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
294 |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
295 return NGX_OK; |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
296 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
297 #else |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
298 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
299 EVP_PKEY_CTX *pctx; |
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 pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL); |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
302 if (pctx == NULL) { |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
303 return NGX_ERROR; |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
304 } |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
305 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
306 if (EVP_PKEY_derive_init(pctx) <= 0) { |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
307 goto failed; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
308 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
309 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
310 if (EVP_PKEY_CTX_hkdf_mode(pctx, EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY) <= 0) { |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
311 goto failed; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
312 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
313 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
314 if (EVP_PKEY_CTX_set_hkdf_md(pctx, digest) <= 0) { |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
315 goto failed; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
316 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
317 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
318 if (EVP_PKEY_CTX_set1_hkdf_key(pctx, secret, secret_len) <= 0) { |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
319 goto failed; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
320 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
321 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
322 if (EVP_PKEY_CTX_set1_hkdf_salt(pctx, salt, salt_len) <= 0) { |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
323 goto failed; |
8221
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
326 if (EVP_PKEY_derive(pctx, out_key, out_len) <= 0) { |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
327 goto failed; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
328 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
329 |
8739
c0cd180308e4
QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8729
diff
changeset
|
330 EVP_PKEY_CTX_free(pctx); |
c0cd180308e4
QUIC: fixed memory leak in ngx_hkdf_extract()/ngx_hkdf_expand().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8729
diff
changeset
|
331 |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
332 return NGX_OK; |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
333 |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
334 failed: |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
335 |
8716
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
336 EVP_PKEY_CTX_free(pctx); |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
337 |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
338 return NGX_ERROR; |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
339 |
1c48629cfa74
QUIC: added error handling to ngx_hkdf_extract()/ngx_hkdf_expand().
Vladimir Homutov <vl@nginx.com>
parents:
8710
diff
changeset
|
340 #endif |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
341 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
342 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
343 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
344 static ngx_int_t |
8288
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
8287
diff
changeset
|
345 ngx_quic_tls_open(const ngx_quic_cipher_t *cipher, ngx_quic_secret_t *s, |
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
8287
diff
changeset
|
346 ngx_str_t *out, u_char *nonce, ngx_str_t *in, ngx_str_t *ad, |
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
8287
diff
changeset
|
347 ngx_log_t *log) |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
348 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
349 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
350 #ifdef OPENSSL_IS_BORINGSSL |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
351 EVP_AEAD_CTX *ctx; |
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 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
|
354 EVP_AEAD_DEFAULT_TAG_LENGTH); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
355 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
356 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
|
357 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
358 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
359 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
360 if (EVP_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
|
361 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
|
362 != 1) |
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 EVP_AEAD_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
365 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
|
366 return NGX_ERROR; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
369 EVP_AEAD_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
370 #else |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
371 int len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
372 u_char *tag; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
373 EVP_CIPHER_CTX *ctx; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
374 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
375 ctx = EVP_CIPHER_CTX_new(); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
376 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
377 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
|
378 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
379 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
380 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
381 if (EVP_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
|
382 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
383 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
|
384 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
385 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
386 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
387 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
|
388 == 0) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
389 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
390 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
391 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
|
392 "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
|
393 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
394 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
395 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
396 if (EVP_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
|
397 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
398 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
|
399 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
400 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
401 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
402 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
|
403 EVP_CIPHER_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_DecryptUpdate() 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 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
|
409 in->len - EVP_GCM_TLS_TAG_LEN) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
410 != 1) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
411 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
412 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
413 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
|
414 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
415 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
416 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
417 out->len = len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
418 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
|
419 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
420 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
|
421 == 0) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
422 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
423 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
424 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
|
425 "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
|
426 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
427 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
428 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
429 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
|
430 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
431 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
|
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 out->len += len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
436 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
437 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
438 #endif |
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 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
441 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
442 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
443 |
9080
7da4791e0264
QUIC: OpenSSL compatibility layer.
Roman Arutyunyan <arut@nginx.com>
parents:
9047
diff
changeset
|
444 ngx_int_t |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
445 ngx_quic_tls_seal(const ngx_quic_cipher_t *cipher, ngx_quic_secret_t *s, |
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
446 ngx_str_t *out, u_char *nonce, ngx_str_t *in, ngx_str_t *ad, ngx_log_t *log) |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
447 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
448 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
449 #ifdef OPENSSL_IS_BORINGSSL |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
450 EVP_AEAD_CTX *ctx; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
451 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
452 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
|
453 EVP_AEAD_DEFAULT_TAG_LENGTH); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
454 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
455 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_AEAD_CTX_new() failed"); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
456 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
457 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
458 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
459 if (EVP_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
|
460 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
|
461 != 1) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
462 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
463 EVP_AEAD_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
464 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
|
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 EVP_AEAD_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
469 #else |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
470 int len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
471 EVP_CIPHER_CTX *ctx; |
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 ctx = EVP_CIPHER_CTX_new(); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
474 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
475 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
|
476 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
477 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
478 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
479 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
|
480 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
481 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
|
482 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
483 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
484 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
485 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
|
486 == 0) |
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 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
489 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
|
490 "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
|
491 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
492 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
493 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
494 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
|
495 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
496 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
|
497 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
498 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
499 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
500 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
|
501 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
502 ngx_ssl_error(NGX_LOG_INFO, log, 0, "EVP_EncryptUpdate() failed"); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
503 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
504 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
505 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
506 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
|
507 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
508 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
|
509 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
510 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
511 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
512 out->len = len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
513 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
514 if (EVP_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
|
515 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
516 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
|
517 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
518 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
519 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
520 out->len += len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
521 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
522 if (EVP_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
|
523 out->data + in->len) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
524 == 0) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
525 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
526 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
527 ngx_ssl_error(NGX_LOG_INFO, log, 0, |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
528 "EVP_CIPHER_CTX_ctrl(EVP_CTRL_GCM_GET_TAG) failed"); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
529 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
530 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
531 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
532 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
533 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
534 out->len += EVP_GCM_TLS_TAG_LEN; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
535 #endif |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
536 return NGX_OK; |
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 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
540 static ngx_int_t |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
541 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
|
542 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
|
543 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
544 int outlen; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
545 EVP_CIPHER_CTX *ctx; |
8798
fc5719637aff
QUIC: consistent use of 5-byte buffers for header protection.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8797
diff
changeset
|
546 u_char zero[NGX_QUIC_HP_LEN] = {0}; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
547 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
548 #ifdef OPENSSL_IS_BORINGSSL |
8798
fc5719637aff
QUIC: consistent use of 5-byte buffers for header protection.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8797
diff
changeset
|
549 uint32_t cnt; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
550 |
8798
fc5719637aff
QUIC: consistent use of 5-byte buffers for header protection.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8797
diff
changeset
|
551 ngx_memcpy(&cnt, in, sizeof(uint32_t)); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
552 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
553 if (cipher == (const EVP_CIPHER *) EVP_aead_chacha20_poly1305()) { |
8798
fc5719637aff
QUIC: consistent use of 5-byte buffers for header protection.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8797
diff
changeset
|
554 CRYPTO_chacha_20(out, zero, NGX_QUIC_HP_LEN, s->hp.data, &in[4], cnt); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
555 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
556 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
557 #endif |
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 ctx = EVP_CIPHER_CTX_new(); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
560 if (ctx == NULL) { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
561 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
562 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
563 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
564 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
|
565 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
|
566 goto failed; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
567 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
568 |
8798
fc5719637aff
QUIC: consistent use of 5-byte buffers for header protection.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8797
diff
changeset
|
569 if (!EVP_EncryptUpdate(ctx, out, &outlen, zero, NGX_QUIC_HP_LEN)) { |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
570 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
|
571 goto failed; |
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 |
8798
fc5719637aff
QUIC: consistent use of 5-byte buffers for header protection.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8797
diff
changeset
|
574 if (!EVP_EncryptFinal_ex(ctx, out + NGX_QUIC_HP_LEN, &outlen)) { |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
575 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
|
576 goto failed; |
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 EVP_CIPHER_CTX_free(ctx); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
580 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
581 return NGX_OK; |
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 failed: |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
584 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
585 EVP_CIPHER_CTX_free(ctx); |
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 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
588 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
589 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
590 |
8926
3341e4089c6c
QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8894
diff
changeset
|
591 ngx_int_t |
9024
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
Vladimir Homutov <vl@nginx.com>
parents:
9023
diff
changeset
|
592 ngx_quic_keys_set_encryption_secret(ngx_log_t *log, ngx_uint_t is_write, |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
593 ngx_quic_keys_t *keys, enum ssl_encryption_level_t level, |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
594 const SSL_CIPHER *cipher, const uint8_t *secret, size_t secret_len) |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
595 { |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
596 ngx_int_t key_len; |
9023
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8980
diff
changeset
|
597 ngx_str_t secret_str; |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
598 ngx_uint_t i; |
9039
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
599 ngx_quic_hkdf_t seq[3]; |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
600 ngx_quic_secret_t *peer_secret; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
601 ngx_quic_ciphers_t ciphers; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
602 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
603 peer_secret = is_write ? &keys->secrets[level].server |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
604 : &keys->secrets[level].client; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
605 |
9030
172705615d04
QUIC: using native TLSv1.3 cipher suite constants.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9025
diff
changeset
|
606 keys->cipher = SSL_CIPHER_get_id(cipher); |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
607 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
608 key_len = ngx_quic_ciphers(keys->cipher, &ciphers, level); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
609 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
610 if (key_len == NGX_ERROR) { |
9024
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
Vladimir Homutov <vl@nginx.com>
parents:
9023
diff
changeset
|
611 ngx_ssl_error(NGX_LOG_INFO, log, 0, "unexpected cipher"); |
8926
3341e4089c6c
QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8894
diff
changeset
|
612 return NGX_ERROR; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
613 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
614 |
9023
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8980
diff
changeset
|
615 if (sizeof(peer_secret->secret.data) < secret_len) { |
9024
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
Vladimir Homutov <vl@nginx.com>
parents:
9023
diff
changeset
|
616 ngx_log_error(NGX_LOG_ALERT, log, 0, |
9023
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8980
diff
changeset
|
617 "unexpected secret len: %uz", secret_len); |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
618 return NGX_ERROR; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
619 } |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
620 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
621 peer_secret->secret.len = secret_len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
622 ngx_memcpy(peer_secret->secret.data, secret, secret_len); |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
623 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
624 peer_secret->key.len = key_len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
625 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
|
626 peer_secret->hp.len = key_len; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
627 |
9023
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8980
diff
changeset
|
628 secret_str.len = secret_len; |
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8980
diff
changeset
|
629 secret_str.data = (u_char *) secret; |
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8980
diff
changeset
|
630 |
9039
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
631 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:
9030
diff
changeset
|
632 &peer_secret->key, &secret_str); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
633 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:
9030
diff
changeset
|
634 ngx_quic_hkdf_set(&seq[2], "tls13 quic hp", &peer_secret->hp, &secret_str); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
635 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
636 for (i = 0; i < (sizeof(seq) / sizeof(seq[0])); i++) { |
9024
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
Vladimir Homutov <vl@nginx.com>
parents:
9023
diff
changeset
|
637 if (ngx_quic_hkdf_expand(&seq[i], ciphers.d, log) != NGX_OK) { |
8926
3341e4089c6c
QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8894
diff
changeset
|
638 return NGX_ERROR; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
639 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
640 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
641 |
8926
3341e4089c6c
QUIC: converted ngx_quic_keys_set_encryption_secret() to NGX codes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8894
diff
changeset
|
642 return NGX_OK; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
643 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
644 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
645 |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
646 ngx_uint_t |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
647 ngx_quic_keys_available(ngx_quic_keys_t *keys, |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
648 enum ssl_encryption_level_t level) |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
649 { |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
650 return keys->secrets[level].client.key.len != 0; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
651 } |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
652 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
653 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
654 void |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
655 ngx_quic_keys_discard(ngx_quic_keys_t *keys, |
8702
d4e02b3b734f
QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8694
diff
changeset
|
656 enum ssl_encryption_level_t level) |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
657 { |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
658 keys->secrets[level].client.key.len = 0; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
659 } |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
660 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
661 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
662 void |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
663 ngx_quic_keys_switch(ngx_connection_t *c, ngx_quic_keys_t *keys) |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
664 { |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
665 ngx_quic_secrets_t *current, *next, tmp; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
666 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
667 current = &keys->secrets[ssl_encryption_application]; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
668 next = &keys->next_key; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
669 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
670 tmp = *current; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
671 *current = *next; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
672 *next = tmp; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
673 } |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
674 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
675 |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
676 ngx_int_t |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
677 ngx_quic_keys_update(ngx_connection_t *c, ngx_quic_keys_t *keys) |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
678 { |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
679 ngx_uint_t i; |
9039
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
680 ngx_quic_hkdf_t seq[6]; |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
681 ngx_quic_ciphers_t ciphers; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
682 ngx_quic_secrets_t *current, *next; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
683 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
684 current = &keys->secrets[ssl_encryption_application]; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
685 next = &keys->next_key; |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
686 |
8360
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
8359
diff
changeset
|
687 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic key update"); |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
688 |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
689 if (ngx_quic_ciphers(keys->cipher, &ciphers, ssl_encryption_application) |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
690 == NGX_ERROR) |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
691 { |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
692 return NGX_ERROR; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
693 } |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
694 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
695 next->client.secret.len = current->client.secret.len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
696 next->client.key.len = current->client.key.len; |
8799
ef8276c8ccff
QUIC: consistent use of 12-byte buffers in nonce computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8798
diff
changeset
|
697 next->client.iv.len = NGX_QUIC_IV_LEN; |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
698 next->client.hp = current->client.hp; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
699 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
700 next->server.secret.len = current->server.secret.len; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
701 next->server.key.len = current->server.key.len; |
8799
ef8276c8ccff
QUIC: consistent use of 12-byte buffers in nonce computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8798
diff
changeset
|
702 next->server.iv.len = NGX_QUIC_IV_LEN; |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
703 next->server.hp = current->server.hp; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
704 |
9039
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
705 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:
9030
diff
changeset
|
706 &next->client.secret, ¤t->client.secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
707 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:
9030
diff
changeset
|
708 &next->client.key, &next->client.secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
709 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:
9030
diff
changeset
|
710 &next->client.iv, &next->client.secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
711 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:
9030
diff
changeset
|
712 &next->server.secret, ¤t->server.secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
713 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:
9030
diff
changeset
|
714 &next->server.key, &next->server.secret); |
a6cc246654f8
QUIC: moved variable declaration to fix build with MSVC 2010.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9030
diff
changeset
|
715 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:
9030
diff
changeset
|
716 &next->server.iv, &next->server.secret); |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
717 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
718 for (i = 0; i < (sizeof(seq) / sizeof(seq[0])); i++) { |
9024
f2925c80401c
QUIC: avoided pool usage in ngx_quic_protection.c.
Vladimir Homutov <vl@nginx.com>
parents:
9023
diff
changeset
|
719 if (ngx_quic_hkdf_expand(&seq[i], ciphers.d, c->log) != NGX_OK) { |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
720 return NGX_ERROR; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
721 } |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
722 } |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
723 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
724 return NGX_OK; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
725 } |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
726 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
727 |
8376
2d0f4aa78ed6
Restored ngx_quic_encrypt return type.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8375
diff
changeset
|
728 static ngx_int_t |
8644
e953bd2c5bb3
QUIC: merged create_long/short_packet() functions.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8643
diff
changeset
|
729 ngx_quic_create_packet(ngx_quic_header_t *pkt, ngx_str_t *res) |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
730 { |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
731 u_char *pnp, *sample; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
732 ngx_str_t ad, out; |
8315
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
733 ngx_uint_t i; |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
734 ngx_quic_secret_t *secret; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
735 ngx_quic_ciphers_t ciphers; |
8799
ef8276c8ccff
QUIC: consistent use of 12-byte buffers in nonce computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8798
diff
changeset
|
736 u_char nonce[NGX_QUIC_IV_LEN], mask[NGX_QUIC_HP_LEN]; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
737 |
8894
de7b9af30fc6
QUIC: refactored packet creation.
Vladimir Homutov <vl@nginx.com>
parents:
8888
diff
changeset
|
738 ad.data = res->data; |
de7b9af30fc6
QUIC: refactored packet creation.
Vladimir Homutov <vl@nginx.com>
parents:
8888
diff
changeset
|
739 ad.len = ngx_quic_create_header(pkt, ad.data, &pnp); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
740 |
8894
de7b9af30fc6
QUIC: refactored packet creation.
Vladimir Homutov <vl@nginx.com>
parents:
8888
diff
changeset
|
741 out.len = pkt->payload.len + EVP_GCM_TLS_TAG_LEN; |
8318
1bb5e8538d0c
Removed excessive debugging in QUIC packet creation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8317
diff
changeset
|
742 out.data = res->data + ad.len; |
1bb5e8538d0c
Removed excessive debugging in QUIC packet creation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8317
diff
changeset
|
743 |
8359 | 744 #ifdef NGX_QUIC_DEBUG_CRYPTO |
8651
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8646
diff
changeset
|
745 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8646
diff
changeset
|
746 "quic ad len:%uz %xV", ad.len, &ad); |
8359 | 747 #endif |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
748 |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
749 if (ngx_quic_ciphers(pkt->keys->cipher, &ciphers, pkt->level) == NGX_ERROR) |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
750 { |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
751 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
752 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
753 |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
754 secret = &pkt->keys->secrets[pkt->level].server; |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
755 |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
756 ngx_memcpy(nonce, secret->iv.data, secret->iv.len); |
8310
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8307
diff
changeset
|
757 ngx_quic_compute_nonce(nonce, sizeof(nonce), pkt->number); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
758 |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
759 if (ngx_quic_tls_seal(ciphers.c, secret, &out, |
8318
1bb5e8538d0c
Removed excessive debugging in QUIC packet creation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8317
diff
changeset
|
760 nonce, &pkt->payload, &ad, pkt->log) |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
761 != NGX_OK) |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
762 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
763 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
764 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
765 |
8315
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
766 sample = &out.data[4 - pkt->num_len]; |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
767 if (ngx_quic_tls_hp(pkt->log, ciphers.hp, secret, mask, sample) |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
768 != NGX_OK) |
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
769 { |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
770 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
771 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
772 |
8797
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8755
diff
changeset
|
773 /* RFC 9001, 5.4.1. Header Protection Application */ |
8643
5fdd0ef42232
QUIC: macros for manipulating header protection and reserved bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8642
diff
changeset
|
774 ad.data[0] ^= mask[0] & ngx_quic_pkt_hp_mask(pkt->flags); |
8315
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
775 |
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
776 for (i = 0; i < pkt->num_len; i++) { |
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
777 pnp[i] ^= mask[i + 1]; |
fdda518d10ba
Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents:
8313
diff
changeset
|
778 } |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
779 |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
780 res->len = ad.len + out.len; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
781 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
782 return NGX_OK; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
783 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
784 |
8285
f85749b60e58
Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents:
8265
diff
changeset
|
785 |
8383
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
786 static ngx_int_t |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
787 ngx_quic_create_retry_packet(ngx_quic_header_t *pkt, ngx_str_t *res) |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
788 { |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
789 u_char *start; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
790 ngx_str_t ad, itag; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
791 ngx_quic_secret_t secret; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
792 ngx_quic_ciphers_t ciphers; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
793 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
794 /* 5.8. Retry Packet Integrity */ |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
795 static u_char key[16] = |
8678
3443ee341cc1
QUIC: draft-33 salt and retry keys.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8673
diff
changeset
|
796 "\xbe\x0c\x69\x0b\x9f\x66\x57\x5a\x1d\x76\x6b\x54\xe3\x68\xc8\x4e"; |
8799
ef8276c8ccff
QUIC: consistent use of 12-byte buffers in nonce computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8798
diff
changeset
|
797 static u_char nonce[NGX_QUIC_IV_LEN] = |
8678
3443ee341cc1
QUIC: draft-33 salt and retry keys.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8673
diff
changeset
|
798 "\x46\x15\x99\xd3\x5d\x63\x2b\xf2\x23\x98\x25\xbb"; |
8383
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
799 static ngx_str_t in = ngx_string(""); |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
800 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
801 ad.data = res->data; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
802 ad.len = ngx_quic_create_retry_itag(pkt, ad.data, &start); |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
803 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
804 itag.data = ad.data + ad.len; |
8394 | 805 itag.len = EVP_GCM_TLS_TAG_LEN; |
8383
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
806 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
807 #ifdef NGX_QUIC_DEBUG_CRYPTO |
8651
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8646
diff
changeset
|
808 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8646
diff
changeset
|
809 "quic retry itag len:%uz %xV", ad.len, &ad); |
8383
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
810 #endif |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
811 |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
812 if (ngx_quic_ciphers(0, &ciphers, pkt->level) == NGX_ERROR) { |
8383
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
813 return NGX_ERROR; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
814 } |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
815 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
816 secret.key.len = sizeof(key); |
9023
d8b3851f172c
QUIC: fixed-length buffers for secrets.
Vladimir Homutov <vl@nginx.com>
parents:
8980
diff
changeset
|
817 ngx_memcpy(secret.key.data, key, sizeof(key)); |
8799
ef8276c8ccff
QUIC: consistent use of 12-byte buffers in nonce computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8798
diff
changeset
|
818 secret.iv.len = NGX_QUIC_IV_LEN; |
8383
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
819 |
8980
d8865baab732
QUIC: removed draft versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8926
diff
changeset
|
820 if (ngx_quic_tls_seal(ciphers.c, &secret, &itag, nonce, &in, &ad, pkt->log) |
8383
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
821 != NGX_OK) |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
822 { |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
823 return NGX_ERROR; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
824 } |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
825 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
826 res->len = itag.data + itag.len - start; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
827 res->data = start; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
828 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
829 return NGX_OK; |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
830 } |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
831 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
832 |
8562
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
833 ngx_int_t |
8694
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
834 ngx_quic_derive_key(ngx_log_t *log, const char *label, ngx_str_t *secret, |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
835 ngx_str_t *salt, u_char *out, size_t len) |
8562
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
836 { |
8694
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
837 size_t is_len, info_len; |
8562
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
838 uint8_t *p; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
839 const EVP_MD *digest; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
840 |
8694
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
841 uint8_t is[SHA256_DIGEST_LENGTH]; |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
842 uint8_t info[20]; |
8562
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
843 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
844 digest = EVP_sha256(); |
8729
0f8565e0fc76
QUIC: HKDF API compatibility with OpenSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8716
diff
changeset
|
845 is_len = SHA256_DIGEST_LENGTH; |
8562
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
846 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
847 if (ngx_hkdf_extract(is, &is_len, digest, secret->data, secret->len, |
8694
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
848 salt->data, salt->len) |
8702
d4e02b3b734f
QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8694
diff
changeset
|
849 != NGX_OK) |
8562
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
850 { |
8694
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
851 ngx_ssl_error(NGX_LOG_INFO, log, 0, |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
852 "ngx_hkdf_extract(%s) failed", label); |
8562
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
853 return NGX_ERROR; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
854 } |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
855 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
856 info[0] = 0; |
8694
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
857 info[1] = len; |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
858 info[2] = ngx_strlen(label); |
8562
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
859 |
8694
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
860 info_len = 2 + 1 + info[2] + 1; |
8562
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
861 |
8694
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
862 if (info_len >= 20) { |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
863 ngx_log_error(NGX_LOG_INFO, log, 0, |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
864 "ngx_quic_create_key label \"%s\" too long", label); |
8562
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
865 return NGX_ERROR; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
866 } |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
867 |
8694
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
868 p = ngx_cpymem(&info[3], label, info[2]); |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
869 *p = '\0'; |
8562
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
870 |
8694
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
871 if (ngx_hkdf_expand(out, len, digest, is, is_len, info, info_len) != NGX_OK) |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
872 { |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
873 ngx_ssl_error(NGX_LOG_INFO, log, 0, |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
874 "ngx_hkdf_expand(%s) failed", label); |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
875 return NGX_ERROR; |
cef042935003
QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents:
8678
diff
changeset
|
876 } |
8562
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
877 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
878 return NGX_OK; |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
879 } |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
880 |
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents:
8558
diff
changeset
|
881 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
882 static uint64_t |
8339
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
883 ngx_quic_parse_pn(u_char **pos, ngx_int_t len, u_char *mask, |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
884 uint64_t *largest_pn) |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
885 { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
886 u_char *p; |
8339
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
887 uint64_t truncated_pn, expected_pn, candidate_pn; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
888 uint64_t pn_nbits, pn_win, pn_hwin, pn_mask; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
889 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
890 pn_nbits = ngx_min(len * 8, 62); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
891 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
892 p = *pos; |
8339
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
893 truncated_pn = *p++ ^ *mask++; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
894 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
895 while (--len) { |
8339
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
896 truncated_pn = (truncated_pn << 8) + (*p++ ^ *mask++); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
897 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
898 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
899 *pos = p; |
8339
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
900 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
901 expected_pn = *largest_pn + 1; |
8394 | 902 pn_win = 1ULL << pn_nbits; |
8339
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
903 pn_hwin = pn_win / 2; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
904 pn_mask = pn_win - 1; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
905 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
906 candidate_pn = (expected_pn & ~pn_mask) | truncated_pn; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
907 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
908 if ((int64_t) candidate_pn <= (int64_t) (expected_pn - pn_hwin) |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
909 && candidate_pn < (1ULL << 62) - pn_win) |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
910 { |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
911 candidate_pn += pn_win; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
912 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
913 } else if (candidate_pn > expected_pn + pn_hwin |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
914 && candidate_pn >= pn_win) |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
915 { |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
916 candidate_pn -= pn_win; |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
917 } |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
918 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
919 *largest_pn = ngx_max((int64_t) *largest_pn, (int64_t) candidate_pn); |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
920 |
aba84d9ab256
Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8324
diff
changeset
|
921 return candidate_pn; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
922 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
923 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
924 |
9080
7da4791e0264
QUIC: OpenSSL compatibility layer.
Roman Arutyunyan <arut@nginx.com>
parents:
9047
diff
changeset
|
925 void |
8310
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8307
diff
changeset
|
926 ngx_quic_compute_nonce(u_char *nonce, size_t len, uint64_t pn) |
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8307
diff
changeset
|
927 { |
9047
70ce1e927715
QUIC: fixed computation of nonce with packet numbers beyond 2^32.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9041
diff
changeset
|
928 nonce[len - 8] ^= (pn >> 56) & 0x3f; |
70ce1e927715
QUIC: fixed computation of nonce with packet numbers beyond 2^32.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9041
diff
changeset
|
929 nonce[len - 7] ^= (pn >> 48) & 0xff; |
70ce1e927715
QUIC: fixed computation of nonce with packet numbers beyond 2^32.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9041
diff
changeset
|
930 nonce[len - 6] ^= (pn >> 40) & 0xff; |
70ce1e927715
QUIC: fixed computation of nonce with packet numbers beyond 2^32.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9041
diff
changeset
|
931 nonce[len - 5] ^= (pn >> 32) & 0xff; |
70ce1e927715
QUIC: fixed computation of nonce with packet numbers beyond 2^32.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9041
diff
changeset
|
932 nonce[len - 4] ^= (pn >> 24) & 0xff; |
70ce1e927715
QUIC: fixed computation of nonce with packet numbers beyond 2^32.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9041
diff
changeset
|
933 nonce[len - 3] ^= (pn >> 16) & 0xff; |
70ce1e927715
QUIC: fixed computation of nonce with packet numbers beyond 2^32.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9041
diff
changeset
|
934 nonce[len - 2] ^= (pn >> 8) & 0xff; |
70ce1e927715
QUIC: fixed computation of nonce with packet numbers beyond 2^32.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9041
diff
changeset
|
935 nonce[len - 1] ^= pn & 0xff; |
8310
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8307
diff
changeset
|
936 } |
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8307
diff
changeset
|
937 |
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8307
diff
changeset
|
938 |
8376
2d0f4aa78ed6
Restored ngx_quic_encrypt return type.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8375
diff
changeset
|
939 ngx_int_t |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
940 ngx_quic_encrypt(ngx_quic_header_t *pkt, ngx_str_t *res) |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
941 { |
8383
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
942 if (ngx_quic_pkt_retry(pkt->flags)) { |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
943 return ngx_quic_create_retry_packet(pkt, res); |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
944 } |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8376
diff
changeset
|
945 |
8644
e953bd2c5bb3
QUIC: merged create_long/short_packet() functions.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8643
diff
changeset
|
946 return ngx_quic_create_packet(pkt, res); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
947 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
948 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
949 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
950 ngx_int_t |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
951 ngx_quic_decrypt(ngx_quic_header_t *pkt, uint64_t *largest_pn) |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
952 { |
8645
ae4bffb75df8
QUIC: simplified and streamlined ngx_quic_decrypt().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8644
diff
changeset
|
953 u_char *p, *sample; |
8558
0f37b4ef3cd9
QUIC: keep the entire packet size in pkt->len.
Roman Arutyunyan <arut@nginx.com>
parents:
8544
diff
changeset
|
954 size_t len; |
8532
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8525
diff
changeset
|
955 uint64_t pn, lpn; |
9041
e23fd55e1cc6
QUIC: fixed C4389 MSVC warning about signed/unsigned mismatch.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9040
diff
changeset
|
956 ngx_int_t pnl, rc; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
957 ngx_str_t in, ad; |
9041
e23fd55e1cc6
QUIC: fixed C4389 MSVC warning about signed/unsigned mismatch.
Sergey Kandaurov <pluknet@nginx.com>
parents:
9040
diff
changeset
|
958 ngx_uint_t key_phase; |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
959 ngx_quic_secret_t *secret; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
960 ngx_quic_ciphers_t ciphers; |
8799
ef8276c8ccff
QUIC: consistent use of 12-byte buffers in nonce computation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8798
diff
changeset
|
961 uint8_t nonce[NGX_QUIC_IV_LEN], mask[NGX_QUIC_HP_LEN]; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
962 |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
963 if (ngx_quic_ciphers(pkt->keys->cipher, &ciphers, pkt->level) == NGX_ERROR) |
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
964 { |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
965 return NGX_ERROR; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
966 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
967 |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
968 secret = &pkt->keys->secrets[pkt->level].client; |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
969 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
970 p = pkt->raw->pos; |
8558
0f37b4ef3cd9
QUIC: keep the entire packet size in pkt->len.
Roman Arutyunyan <arut@nginx.com>
parents:
8544
diff
changeset
|
971 len = pkt->data + pkt->len - p; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
972 |
8797
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8755
diff
changeset
|
973 /* |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8755
diff
changeset
|
974 * RFC 9001, 5.4.2. Header Protection Sample |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8755
diff
changeset
|
975 * 5.4.3. AES-Based Header Protection |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8755
diff
changeset
|
976 * 5.4.4. ChaCha20-Based Header Protection |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8755
diff
changeset
|
977 * |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
978 * the Packet Number field is assumed to be 4 bytes long |
8797
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8755
diff
changeset
|
979 * AES and ChaCha20 algorithms sample 16 bytes |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
980 */ |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
981 |
8558
0f37b4ef3cd9
QUIC: keep the entire packet size in pkt->len.
Roman Arutyunyan <arut@nginx.com>
parents:
8544
diff
changeset
|
982 if (len < EVP_GCM_TLS_TAG_LEN + 4) { |
8543
9aedab0f0dff
QUIC: check that the packet length is of at least sample size.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8542
diff
changeset
|
983 return NGX_DECLINED; |
9aedab0f0dff
QUIC: check that the packet length is of at least sample size.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8542
diff
changeset
|
984 } |
9aedab0f0dff
QUIC: check that the packet length is of at least sample size.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8542
diff
changeset
|
985 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
986 sample = p + 4; |
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 /* header protection */ |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
989 |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
990 if (ngx_quic_tls_hp(pkt->log, ciphers.hp, secret, mask, sample) |
8287 | 991 != NGX_OK) |
992 { | |
8446
df29219988bc
Discard short packets which could not be decrypted.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8445
diff
changeset
|
993 return NGX_DECLINED; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
994 } |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
995 |
8645
ae4bffb75df8
QUIC: simplified and streamlined ngx_quic_decrypt().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8644
diff
changeset
|
996 pkt->flags ^= mask[0] & ngx_quic_pkt_hp_mask(pkt->flags); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
997 |
8643
5fdd0ef42232
QUIC: macros for manipulating header protection and reserved bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8642
diff
changeset
|
998 if (ngx_quic_short_pkt(pkt->flags)) { |
8645
ae4bffb75df8
QUIC: simplified and streamlined ngx_quic_decrypt().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8644
diff
changeset
|
999 key_phase = (pkt->flags & NGX_QUIC_PKT_KPHASE) != 0; |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1000 |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1001 if (key_phase != pkt->key_phase) { |
8621
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8609
diff
changeset
|
1002 secret = &pkt->keys->next_key.client; |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1003 pkt->key_update = 1; |
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1004 } |
8221
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 |
8532
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8525
diff
changeset
|
1007 lpn = *largest_pn; |
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8525
diff
changeset
|
1008 |
8645
ae4bffb75df8
QUIC: simplified and streamlined ngx_quic_decrypt().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8644
diff
changeset
|
1009 pnl = (pkt->flags & 0x03) + 1; |
8532
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8525
diff
changeset
|
1010 pn = ngx_quic_parse_pn(&p, pnl, &mask[1], &lpn); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1011 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1012 pkt->pn = pn; |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1013 |
8287 | 1014 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
8645
ae4bffb75df8
QUIC: simplified and streamlined ngx_quic_decrypt().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8644
diff
changeset
|
1015 "quic packet rx clearflags:%xd", pkt->flags); |
8287 | 1016 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
8609
f32740ddd484
QUIC: got rid of "pkt" abbreviation in logs.
Vladimir Homutov <vl@nginx.com>
parents:
8608
diff
changeset
|
1017 "quic packet rx number:%uL len:%xi", pn, pnl); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1018 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1019 /* packet protection */ |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1020 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1021 in.data = p; |
8558
0f37b4ef3cd9
QUIC: keep the entire packet size in pkt->len.
Roman Arutyunyan <arut@nginx.com>
parents:
8544
diff
changeset
|
1022 in.len = len - pnl; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1023 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1024 ad.len = p - pkt->data; |
8288
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
8287
diff
changeset
|
1025 ad.data = pkt->plaintext; |
8221
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 ngx_memcpy(ad.data, pkt->data, ad.len); |
8645
ae4bffb75df8
QUIC: simplified and streamlined ngx_quic_decrypt().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8644
diff
changeset
|
1028 ad.data[0] = pkt->flags; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1029 |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1030 do { |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1031 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
|
1032 } while (--pnl); |
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1033 |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1034 ngx_memcpy(nonce, secret->iv.data, secret->iv.len); |
8310
7ac890c18f5e
Fixed computing nonce by xoring all packet number bytes.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8307
diff
changeset
|
1035 ngx_quic_compute_nonce(nonce, sizeof(nonce), pn); |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1036 |
8359 | 1037 #ifdef NGX_QUIC_DEBUG_CRYPTO |
8651
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8646
diff
changeset
|
1038 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8646
diff
changeset
|
1039 "quic ad len:%uz %xV", ad.len, &ad); |
8359 | 1040 #endif |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1041 |
8288
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
8287
diff
changeset
|
1042 pkt->payload.len = in.len - EVP_GCM_TLS_TAG_LEN; |
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
8287
diff
changeset
|
1043 pkt->payload.data = pkt->plaintext + ad.len; |
ebd5c71b9f02
Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents:
8287
diff
changeset
|
1044 |
8319
29354c6fc5f2
TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8318
diff
changeset
|
1045 rc = ngx_quic_tls_open(ciphers.c, secret, &pkt->payload, |
8287 | 1046 nonce, &in, &ad, pkt->log); |
8386
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1047 if (rc != NGX_OK) { |
8446
df29219988bc
Discard short packets which could not be decrypted.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8445
diff
changeset
|
1048 return NGX_DECLINED; |
8386
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1049 } |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1050 |
8646
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8645
diff
changeset
|
1051 if (pkt->payload.len == 0) { |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8645
diff
changeset
|
1052 /* |
8797
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8755
diff
changeset
|
1053 * RFC 9000, 12.4. Frames and Frame Types |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8755
diff
changeset
|
1054 * |
8646
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8645
diff
changeset
|
1055 * An endpoint MUST treat receipt of a packet containing no |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8645
diff
changeset
|
1056 * frames as a connection error of type PROTOCOL_VIOLATION. |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8645
diff
changeset
|
1057 */ |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8645
diff
changeset
|
1058 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic zero-length packet"); |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8645
diff
changeset
|
1059 pkt->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION; |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8645
diff
changeset
|
1060 return NGX_ERROR; |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8645
diff
changeset
|
1061 } |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8645
diff
changeset
|
1062 |
8645
ae4bffb75df8
QUIC: simplified and streamlined ngx_quic_decrypt().
Sergey Kandaurov <pluknet@nginx.com>
parents:
8644
diff
changeset
|
1063 if (pkt->flags & ngx_quic_pkt_rb_mask(pkt->flags)) { |
8386
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1064 /* |
8797
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8755
diff
changeset
|
1065 * RFC 9000, Reserved Bits |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8755
diff
changeset
|
1066 * |
8386
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1067 * An endpoint MUST treat receipt of a packet that has |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1068 * a non-zero value for these bits, after removing both |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1069 * packet and header protection, as a connection error |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1070 * of type PROTOCOL_VIOLATION. |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1071 */ |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1072 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1073 "quic reserved bit set in packet"); |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1074 pkt->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION; |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1075 return NGX_ERROR; |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1076 } |
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1077 |
8646
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8645
diff
changeset
|
1078 #if defined(NGX_QUIC_DEBUG_CRYPTO) && defined(NGX_QUIC_DEBUG_PACKETS) |
8651
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8646
diff
changeset
|
1079 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8646
diff
changeset
|
1080 "quic packet payload len:%uz %xV", |
dbad2d6d1898
QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents:
8646
diff
changeset
|
1081 pkt->payload.len, &pkt->payload); |
8646
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8645
diff
changeset
|
1082 #endif |
4bf332873a83
QUIC: rejecting zero-length packets with PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8645
diff
changeset
|
1083 |
8532
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8525
diff
changeset
|
1084 *largest_pn = lpn; |
b13141d6d250
QUIC: do not update largest packet number from a bad packet.
Roman Arutyunyan <arut@nginx.com>
parents:
8525
diff
changeset
|
1085 |
8386
81f85c479d7e
Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents:
8383
diff
changeset
|
1086 return NGX_OK; |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1087 } |