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| author | cvs2svn <admin@example.com> | 2023-04-23 13:43:47 +0000 |
|---|---|---|
| committer | cvs2svn <admin@example.com> | 2023-04-23 13:43:47 +0000 |
| commit | e2496982472bdf233be95c5ea72d1c4dc6c91db3 (patch) | |
| tree | 316488e5daf86864d8466bce0e5b000d85768378 /src/lib/libssl/ssl_transcript.c | |
| parent | 097d0cf840b9007212bcd2516ed5e18939e6da3d (diff) | |
| download | openbsd-e2496982472bdf233be95c5ea72d1c4dc6c91db3.tar.gz openbsd-e2496982472bdf233be95c5ea72d1c4dc6c91db3.tar.bz2 openbsd-e2496982472bdf233be95c5ea72d1c4dc6c91db3.zip | |
This commit was manufactured by cvs2git to create tag 'tb_20230422'.tb_20230422
Diffstat (limited to 'src/lib/libssl/ssl_transcript.c')
| -rw-r--r-- | src/lib/libssl/ssl_transcript.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/src/lib/libssl/ssl_transcript.c b/src/lib/libssl/ssl_transcript.c deleted file mode 100644 index 22cd6c3cfa..0000000000 --- a/src/lib/libssl/ssl_transcript.c +++ /dev/null | |||
| @@ -1,197 +0,0 @@ | |||
| 1 | /* $OpenBSD: ssl_transcript.c,v 1.9 2022/11/26 16:08:56 tb Exp $ */ | ||
| 2 | /* | ||
| 3 | * Copyright (c) 2017 Joel Sing <jsing@openbsd.org> | ||
| 4 | * | ||
| 5 | * Permission to use, copy, modify, and distribute this software for any | ||
| 6 | * purpose with or without fee is hereby granted, provided that the above | ||
| 7 | * copyright notice and this permission notice appear in all copies. | ||
| 8 | * | ||
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
| 10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
| 11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | ||
| 12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
| 13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
| 14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | ||
| 15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
| 16 | */ | ||
| 17 | |||
| 18 | #include <openssl/ssl.h> | ||
| 19 | |||
| 20 | #include "ssl_local.h" | ||
| 21 | #include "tls_internal.h" | ||
| 22 | |||
| 23 | int | ||
| 24 | tls1_transcript_hash_init(SSL *s) | ||
| 25 | { | ||
| 26 | const unsigned char *data; | ||
| 27 | const EVP_MD *md; | ||
| 28 | size_t len; | ||
| 29 | |||
| 30 | tls1_transcript_hash_free(s); | ||
| 31 | |||
| 32 | if (!ssl_get_handshake_evp_md(s, &md)) { | ||
| 33 | SSLerrorx(ERR_R_INTERNAL_ERROR); | ||
| 34 | goto err; | ||
| 35 | } | ||
| 36 | |||
| 37 | if ((s->s3->handshake_hash = EVP_MD_CTX_new()) == NULL) { | ||
| 38 | SSLerror(s, ERR_R_MALLOC_FAILURE); | ||
| 39 | goto err; | ||
| 40 | } | ||
| 41 | if (!EVP_DigestInit_ex(s->s3->handshake_hash, md, NULL)) { | ||
| 42 | SSLerror(s, ERR_R_EVP_LIB); | ||
| 43 | goto err; | ||
| 44 | } | ||
| 45 | |||
| 46 | if (!tls1_transcript_data(s, &data, &len)) { | ||
| 47 | SSLerror(s, SSL_R_BAD_HANDSHAKE_LENGTH); | ||
| 48 | goto err; | ||
| 49 | } | ||
| 50 | if (!tls1_transcript_hash_update(s, data, len)) { | ||
| 51 | SSLerror(s, ERR_R_EVP_LIB); | ||
| 52 | goto err; | ||
| 53 | } | ||
| 54 | |||
| 55 | return 1; | ||
| 56 | |||
| 57 | err: | ||
| 58 | tls1_transcript_hash_free(s); | ||
| 59 | |||
| 60 | return 0; | ||
| 61 | } | ||
| 62 | |||
| 63 | int | ||
| 64 | tls1_transcript_hash_update(SSL *s, const unsigned char *buf, size_t len) | ||
| 65 | { | ||
| 66 | if (s->s3->handshake_hash == NULL) | ||
| 67 | return 1; | ||
| 68 | |||
| 69 | return EVP_DigestUpdate(s->s3->handshake_hash, buf, len); | ||
| 70 | } | ||
| 71 | |||
| 72 | int | ||
| 73 | tls1_transcript_hash_value(SSL *s, unsigned char *out, size_t len, | ||
| 74 | size_t *outlen) | ||
| 75 | { | ||
| 76 | EVP_MD_CTX *mdctx = NULL; | ||
| 77 | unsigned int mdlen; | ||
| 78 | int ret = 0; | ||
| 79 | |||
| 80 | if (s->s3->handshake_hash == NULL) | ||
| 81 | goto err; | ||
| 82 | |||
| 83 | if (EVP_MD_CTX_size(s->s3->handshake_hash) > len) | ||
| 84 | goto err; | ||
| 85 | |||
| 86 | if ((mdctx = EVP_MD_CTX_new()) == NULL) { | ||
| 87 | SSLerror(s, ERR_R_MALLOC_FAILURE); | ||
| 88 | goto err; | ||
| 89 | } | ||
| 90 | if (!EVP_MD_CTX_copy_ex(mdctx, s->s3->handshake_hash)) { | ||
| 91 | SSLerror(s, ERR_R_EVP_LIB); | ||
| 92 | goto err; | ||
| 93 | } | ||
| 94 | if (!EVP_DigestFinal_ex(mdctx, out, &mdlen)) { | ||
| 95 | SSLerror(s, ERR_R_EVP_LIB); | ||
| 96 | goto err; | ||
| 97 | } | ||
| 98 | if (outlen != NULL) | ||
| 99 | *outlen = mdlen; | ||
| 100 | |||
| 101 | ret = 1; | ||
| 102 | |||
| 103 | err: | ||
| 104 | EVP_MD_CTX_free(mdctx); | ||
| 105 | |||
| 106 | return (ret); | ||
| 107 | } | ||
| 108 | |||
| 109 | void | ||
| 110 | tls1_transcript_hash_free(SSL *s) | ||
| 111 | { | ||
| 112 | EVP_MD_CTX_free(s->s3->handshake_hash); | ||
| 113 | s->s3->handshake_hash = NULL; | ||
| 114 | } | ||
| 115 | |||
| 116 | int | ||
| 117 | tls1_transcript_init(SSL *s) | ||
| 118 | { | ||
| 119 | if (s->s3->handshake_transcript != NULL) | ||
| 120 | return 0; | ||
| 121 | |||
| 122 | if ((s->s3->handshake_transcript = tls_buffer_new(0)) == NULL) | ||
| 123 | return 0; | ||
| 124 | |||
| 125 | tls1_transcript_reset(s); | ||
| 126 | |||
| 127 | return 1; | ||
| 128 | } | ||
| 129 | |||
| 130 | void | ||
| 131 | tls1_transcript_free(SSL *s) | ||
| 132 | { | ||
| 133 | tls_buffer_free(s->s3->handshake_transcript); | ||
| 134 | s->s3->handshake_transcript = NULL; | ||
| 135 | } | ||
| 136 | |||
| 137 | void | ||
| 138 | tls1_transcript_reset(SSL *s) | ||
| 139 | { | ||
| 140 | tls_buffer_clear(s->s3->handshake_transcript); | ||
| 141 | |||
| 142 | tls1_transcript_unfreeze(s); | ||
| 143 | } | ||
| 144 | |||
| 145 | int | ||
| 146 | tls1_transcript_append(SSL *s, const unsigned char *buf, size_t len) | ||
| 147 | { | ||
| 148 | if (s->s3->handshake_transcript == NULL) | ||
| 149 | return 1; | ||
| 150 | |||
| 151 | if (s->s3->flags & TLS1_FLAGS_FREEZE_TRANSCRIPT) | ||
| 152 | return 1; | ||
| 153 | |||
| 154 | return tls_buffer_append(s->s3->handshake_transcript, buf, len); | ||
| 155 | } | ||
| 156 | |||
| 157 | int | ||
| 158 | tls1_transcript_data(SSL *s, const unsigned char **data, size_t *len) | ||
| 159 | { | ||
| 160 | CBS cbs; | ||
| 161 | |||
| 162 | if (s->s3->handshake_transcript == NULL) | ||
| 163 | return 0; | ||
| 164 | |||
| 165 | if (!tls_buffer_data(s->s3->handshake_transcript, &cbs)) | ||
| 166 | return 0; | ||
| 167 | |||
| 168 | /* XXX - change to caller providing a CBS argument. */ | ||
| 169 | *data = CBS_data(&cbs); | ||
| 170 | *len = CBS_len(&cbs); | ||
| 171 | |||
| 172 | return 1; | ||
| 173 | } | ||
| 174 | |||
| 175 | void | ||
| 176 | tls1_transcript_freeze(SSL *s) | ||
| 177 | { | ||
| 178 | s->s3->flags |= TLS1_FLAGS_FREEZE_TRANSCRIPT; | ||
| 179 | } | ||
| 180 | |||
| 181 | void | ||
| 182 | tls1_transcript_unfreeze(SSL *s) | ||
| 183 | { | ||
| 184 | s->s3->flags &= ~TLS1_FLAGS_FREEZE_TRANSCRIPT; | ||
| 185 | } | ||
| 186 | |||
| 187 | int | ||
| 188 | tls1_transcript_record(SSL *s, const unsigned char *buf, size_t len) | ||
| 189 | { | ||
| 190 | if (!tls1_transcript_hash_update(s, buf, len)) | ||
| 191 | return 0; | ||
| 192 | |||
| 193 | if (!tls1_transcript_append(s, buf, len)) | ||
| 194 | return 0; | ||
| 195 | |||
| 196 | return 1; | ||
| 197 | } | ||
