Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1 | /* crypto/asn1/x_x509.c */ |
| 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * This package is an SSL implementation written |
| 6 | * by Eric Young (eay@cryptsoft.com). |
| 7 | * The implementation was written so as to conform with Netscapes SSL. |
| 8 | * |
| 9 | * This library is free for commercial and non-commercial use as long as |
| 10 | * the following conditions are aheared to. The following conditions |
| 11 | * apply to all code found in this distribution, be it the RC4, RSA, |
| 12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| 13 | * included with this distribution is covered by the same copyright terms |
| 14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| 15 | * |
| 16 | * Copyright remains Eric Young's, and as such any Copyright notices in |
| 17 | * the code are not to be removed. |
| 18 | * If this package is used in a product, Eric Young should be given attribution |
| 19 | * as the author of the parts of the library used. |
| 20 | * This can be in the form of a textual message at program startup or |
| 21 | * in documentation (online or textual) provided with the package. |
| 22 | * |
| 23 | * Redistribution and use in source and binary forms, with or without |
| 24 | * modification, are permitted provided that the following conditions |
| 25 | * are met: |
| 26 | * 1. Redistributions of source code must retain the copyright |
| 27 | * notice, this list of conditions and the following disclaimer. |
| 28 | * 2. Redistributions in binary form must reproduce the above copyright |
| 29 | * notice, this list of conditions and the following disclaimer in the |
| 30 | * documentation and/or other materials provided with the distribution. |
| 31 | * 3. All advertising materials mentioning features or use of this software |
| 32 | * must display the following acknowledgement: |
| 33 | * "This product includes cryptographic software written by |
| 34 | * Eric Young (eay@cryptsoft.com)" |
| 35 | * The word 'cryptographic' can be left out if the rouines from the library |
| 36 | * being used are not cryptographic related :-). |
| 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
| 38 | * the apps directory (application code) you must include an acknowledgement: |
| 39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| 40 | * |
| 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 51 | * SUCH DAMAGE. |
| 52 | * |
| 53 | * The licence and distribution terms for any publically available version or |
| 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
| 55 | * copied and put under another distribution licence |
| 56 | * [including the GNU Public Licence.] */ |
| 57 | |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 58 | #include <assert.h> |
Robert Sloan | 4d1ac50 | 2017-02-06 08:36:14 -0800 | [diff] [blame] | 59 | #include <limits.h> |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 60 | #include <stdio.h> |
| 61 | |
| 62 | #include <openssl/asn1t.h> |
| 63 | #include <openssl/evp.h> |
| 64 | #include <openssl/mem.h> |
| 65 | #include <openssl/obj.h> |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 66 | #include <openssl/pool.h> |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 67 | #include <openssl/thread.h> |
| 68 | #include <openssl/x509.h> |
| 69 | #include <openssl/x509v3.h> |
| 70 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 71 | #include "../internal.h" |
| 72 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 73 | static CRYPTO_EX_DATA_CLASS g_ex_data_class = CRYPTO_EX_DATA_CLASS_INIT; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 74 | |
| 75 | ASN1_SEQUENCE_enc(X509_CINF, enc, 0) = { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 76 | ASN1_EXP_OPT(X509_CINF, version, ASN1_INTEGER, 0), |
| 77 | ASN1_SIMPLE(X509_CINF, serialNumber, ASN1_INTEGER), |
| 78 | ASN1_SIMPLE(X509_CINF, signature, X509_ALGOR), |
| 79 | ASN1_SIMPLE(X509_CINF, issuer, X509_NAME), |
| 80 | ASN1_SIMPLE(X509_CINF, validity, X509_VAL), |
| 81 | ASN1_SIMPLE(X509_CINF, subject, X509_NAME), |
| 82 | ASN1_SIMPLE(X509_CINF, key, X509_PUBKEY), |
| 83 | ASN1_IMP_OPT(X509_CINF, issuerUID, ASN1_BIT_STRING, 1), |
| 84 | ASN1_IMP_OPT(X509_CINF, subjectUID, ASN1_BIT_STRING, 2), |
| 85 | ASN1_EXP_SEQUENCE_OF_OPT(X509_CINF, extensions, X509_EXTENSION, 3) |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 86 | } ASN1_SEQUENCE_END_enc(X509_CINF, X509_CINF) |
| 87 | |
| 88 | IMPLEMENT_ASN1_FUNCTIONS(X509_CINF) |
| 89 | /* X509 top level structure needs a bit of customisation */ |
| 90 | |
| 91 | extern void policy_cache_free(X509_POLICY_CACHE *cache); |
| 92 | |
| 93 | static int x509_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 94 | void *exarg) |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 95 | { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 96 | X509 *ret = (X509 *)*pval; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 97 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 98 | switch (operation) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 99 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 100 | case ASN1_OP_NEW_POST: |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 101 | ret->name = NULL; |
| 102 | ret->ex_flags = 0; |
| 103 | ret->ex_pathlen = -1; |
| 104 | ret->skid = NULL; |
| 105 | ret->akid = NULL; |
| 106 | ret->aux = NULL; |
| 107 | ret->crldp = NULL; |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 108 | ret->buf = NULL; |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 109 | CRYPTO_new_ex_data(&ret->ex_data); |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 110 | CRYPTO_MUTEX_init(&ret->lock); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 111 | break; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 112 | |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 113 | case ASN1_OP_D2I_PRE: |
| 114 | CRYPTO_BUFFER_free(ret->buf); |
| 115 | ret->buf = NULL; |
| 116 | break; |
| 117 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 118 | case ASN1_OP_D2I_POST: |
| 119 | if (ret->name != NULL) |
| 120 | OPENSSL_free(ret->name); |
| 121 | ret->name = X509_NAME_oneline(ret->cert_info->subject, NULL, 0); |
| 122 | break; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 123 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 124 | case ASN1_OP_FREE_POST: |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 125 | CRYPTO_MUTEX_cleanup(&ret->lock); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 126 | CRYPTO_free_ex_data(&g_ex_data_class, ret, &ret->ex_data); |
| 127 | X509_CERT_AUX_free(ret->aux); |
| 128 | ASN1_OCTET_STRING_free(ret->skid); |
| 129 | AUTHORITY_KEYID_free(ret->akid); |
| 130 | CRL_DIST_POINTS_free(ret->crldp); |
| 131 | policy_cache_free(ret->policy_cache); |
| 132 | GENERAL_NAMES_free(ret->altname); |
| 133 | NAME_CONSTRAINTS_free(ret->nc); |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 134 | CRYPTO_BUFFER_free(ret->buf); |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 135 | OPENSSL_free(ret->name); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 136 | break; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 137 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 138 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 139 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 140 | return 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 141 | |
| 142 | } |
| 143 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 144 | ASN1_SEQUENCE_ref(X509, x509_cb) = { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 145 | ASN1_SIMPLE(X509, cert_info, X509_CINF), |
| 146 | ASN1_SIMPLE(X509, sig_alg, X509_ALGOR), |
| 147 | ASN1_SIMPLE(X509, signature, ASN1_BIT_STRING) |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 148 | } ASN1_SEQUENCE_END_ref(X509, X509) |
| 149 | |
| 150 | IMPLEMENT_ASN1_FUNCTIONS(X509) |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 151 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 152 | IMPLEMENT_ASN1_DUP_FUNCTION(X509) |
| 153 | |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 154 | X509 *X509_parse_from_buffer(CRYPTO_BUFFER *buf) { |
Robert Sloan | 4d1ac50 | 2017-02-06 08:36:14 -0800 | [diff] [blame] | 155 | if (CRYPTO_BUFFER_len(buf) > LONG_MAX) { |
| 156 | OPENSSL_PUT_ERROR(SSL, ERR_R_OVERFLOW); |
| 157 | return 0; |
| 158 | } |
| 159 | |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 160 | X509 *x509 = X509_new(); |
| 161 | if (x509 == NULL) { |
| 162 | return NULL; |
| 163 | } |
| 164 | |
| 165 | x509->cert_info->enc.alias_only_on_next_parse = 1; |
| 166 | |
| 167 | const uint8_t *inp = CRYPTO_BUFFER_data(buf); |
| 168 | X509 *x509p = x509; |
| 169 | X509 *ret = d2i_X509(&x509p, &inp, CRYPTO_BUFFER_len(buf)); |
| 170 | if (ret == NULL || |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 171 | inp - CRYPTO_BUFFER_data(buf) != (ptrdiff_t)CRYPTO_BUFFER_len(buf)) { |
| 172 | X509_free(x509p); |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 173 | return NULL; |
| 174 | } |
| 175 | assert(x509p == x509); |
| 176 | assert(ret == x509); |
| 177 | |
| 178 | CRYPTO_BUFFER_up_ref(buf); |
| 179 | ret->buf = buf; |
| 180 | |
| 181 | return ret; |
| 182 | } |
| 183 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 184 | int X509_up_ref(X509 *x) |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 185 | { |
| 186 | CRYPTO_refcount_inc(&x->references); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 187 | return 1; |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 188 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 189 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 190 | int X509_get_ex_new_index(long argl, void *argp, CRYPTO_EX_unused * unused, |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame^] | 191 | CRYPTO_EX_dup *dup_unused, CRYPTO_EX_free *free_func) |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 192 | { |
| 193 | int index; |
| 194 | if (!CRYPTO_get_ex_new_index(&g_ex_data_class, &index, argl, argp, |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame^] | 195 | free_func)) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 196 | return -1; |
| 197 | } |
| 198 | return index; |
| 199 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 200 | |
| 201 | int X509_set_ex_data(X509 *r, int idx, void *arg) |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 202 | { |
| 203 | return (CRYPTO_set_ex_data(&r->ex_data, idx, arg)); |
| 204 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 205 | |
| 206 | void *X509_get_ex_data(X509 *r, int idx) |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 207 | { |
| 208 | return (CRYPTO_get_ex_data(&r->ex_data, idx)); |
| 209 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 210 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 211 | /* |
| 212 | * X509_AUX ASN1 routines. X509_AUX is the name given to a certificate with |
| 213 | * extra info tagged on the end. Since these functions set how a certificate |
| 214 | * is trusted they should only be used when the certificate comes from a |
| 215 | * reliable source such as local storage. |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 216 | */ |
| 217 | |
| 218 | X509 *d2i_X509_AUX(X509 **a, const unsigned char **pp, long length) |
| 219 | { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 220 | const unsigned char *q = *pp; |
| 221 | X509 *ret; |
| 222 | int freeret = 0; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 223 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 224 | if (!a || *a == NULL) |
| 225 | freeret = 1; |
| 226 | ret = d2i_X509(a, &q, length); |
| 227 | /* If certificate unreadable then forget it */ |
| 228 | if (!ret) |
| 229 | return NULL; |
| 230 | /* update length */ |
| 231 | length -= q - *pp; |
| 232 | /* Parse auxiliary information if there is any. */ |
| 233 | if (length > 0 && !d2i_X509_CERT_AUX(&ret->aux, &q, length)) |
| 234 | goto err; |
| 235 | *pp = q; |
| 236 | return ret; |
| 237 | err: |
| 238 | if (freeret) { |
| 239 | X509_free(ret); |
| 240 | if (a) |
| 241 | *a = NULL; |
| 242 | } |
| 243 | return NULL; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 244 | } |
| 245 | |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 246 | /* |
| 247 | * Serialize trusted certificate to *pp or just return the required buffer |
| 248 | * length if pp == NULL. We ultimately want to avoid modifying *pp in the |
| 249 | * error path, but that depends on similar hygiene in lower-level functions. |
| 250 | * Here we avoid compounding the problem. |
| 251 | */ |
| 252 | static int i2d_x509_aux_internal(X509 *a, unsigned char **pp) |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 253 | { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 254 | int length, tmplen; |
David Benjamin | 9aaebef | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 255 | unsigned char *start = pp != NULL ? *pp : NULL; |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 256 | |
| 257 | assert(pp == NULL || *pp != NULL); |
| 258 | |
| 259 | /* |
| 260 | * This might perturb *pp on error, but fixing that belongs in i2d_X509() |
| 261 | * not here. It should be that if a == NULL length is zero, but we check |
| 262 | * both just in case. |
| 263 | */ |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 264 | length = i2d_X509(a, pp); |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 265 | if (length <= 0 || a == NULL) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 266 | return length; |
| 267 | } |
| 268 | |
| 269 | tmplen = i2d_X509_CERT_AUX(a->aux, pp); |
| 270 | if (tmplen < 0) { |
David Benjamin | 9aaebef | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 271 | if (start != NULL) |
| 272 | *pp = start; |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 273 | return tmplen; |
| 274 | } |
| 275 | length += tmplen; |
| 276 | |
| 277 | return length; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 278 | } |
| 279 | |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 280 | /* |
| 281 | * Serialize trusted certificate to *pp, or just return the required buffer |
| 282 | * length if pp == NULL. |
| 283 | * |
| 284 | * When pp is not NULL, but *pp == NULL, we allocate the buffer, but since |
| 285 | * we're writing two ASN.1 objects back to back, we can't have i2d_X509() do |
| 286 | * the allocation, nor can we allow i2d_X509_CERT_AUX() to increment the |
| 287 | * allocated buffer. |
| 288 | */ |
| 289 | int i2d_X509_AUX(X509 *a, unsigned char **pp) |
| 290 | { |
| 291 | int length; |
| 292 | unsigned char *tmp; |
| 293 | |
| 294 | /* Buffer provided by caller */ |
| 295 | if (pp == NULL || *pp != NULL) |
| 296 | return i2d_x509_aux_internal(a, pp); |
| 297 | |
| 298 | /* Obtain the combined length */ |
| 299 | if ((length = i2d_x509_aux_internal(a, NULL)) <= 0) |
| 300 | return length; |
| 301 | |
| 302 | /* Allocate requisite combined storage */ |
| 303 | *pp = tmp = OPENSSL_malloc(length); |
| 304 | if (tmp == NULL) |
| 305 | return -1; /* Push error onto error stack? */ |
| 306 | |
| 307 | /* Encode, but keep *pp at the originally malloced pointer */ |
| 308 | length = i2d_x509_aux_internal(a, &tmp); |
| 309 | if (length <= 0) { |
| 310 | OPENSSL_free(*pp); |
| 311 | *pp = NULL; |
| 312 | } |
| 313 | return length; |
| 314 | } |
| 315 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 316 | void X509_get0_signature(ASN1_BIT_STRING **psig, X509_ALGOR **palg, |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 317 | const X509 *x) |
| 318 | { |
| 319 | if (psig) |
| 320 | *psig = x->signature; |
| 321 | if (palg) |
| 322 | *palg = x->sig_alg; |
| 323 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 324 | |
| 325 | int X509_get_signature_nid(const X509 *x) |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 326 | { |
| 327 | return OBJ_obj2nid(x->sig_alg->algorithm); |
| 328 | } |