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| 1 /* crypto/x509/x509_cmp.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 */ | |
| 58 | |
| 59 #include <stdio.h> | |
| 60 #include <ctype.h> | |
| 61 #include "cryptlib.h" | |
| 62 #include <openssl/asn1.h> | |
| 63 #include <openssl/objects.h> | |
| 64 #include <openssl/x509.h> | |
| 65 #include <openssl/x509v3.h> | |
| 66 | |
| 67 int X509_issuer_and_serial_cmp(const X509 *a, const X509 *b) | |
| 68 { | |
| 69 int i; | |
| 70 X509_CINF *ai,*bi; | |
| 71 | |
| 72 ai=a->cert_info; | |
| 73 bi=b->cert_info; | |
| 74 i=M_ASN1_INTEGER_cmp(ai->serialNumber,bi->serialNumber); | |
| 75 if (i) return(i); | |
| 76 return(X509_NAME_cmp(ai->issuer,bi->issuer)); | |
| 77 } | |
| 78 | |
| 79 #ifndef OPENSSL_NO_MD5 | |
| 80 unsigned long X509_issuer_and_serial_hash(X509 *a) | |
| 81 { | |
| 82 unsigned long ret=0; | |
| 83 EVP_MD_CTX ctx; | |
| 84 unsigned char md[16]; | |
| 85 char *f; | |
| 86 | |
| 87 EVP_MD_CTX_init(&ctx); | |
| 88 f=X509_NAME_oneline(a->cert_info->issuer,NULL,0); | |
| 89 if (!EVP_DigestInit_ex(&ctx, EVP_md5(), NULL)) | |
| 90 goto err; | |
| 91 if (!EVP_DigestUpdate(&ctx,(unsigned char *)f,strlen(f))) | |
| 92 goto err; | |
| 93 OPENSSL_free(f); | |
| 94 if(!EVP_DigestUpdate(&ctx,(unsigned char *)a->cert_info->serialNumber->d
ata, | |
| 95 (unsigned long)a->cert_info->serialNumber->length)) | |
| 96 goto err; | |
| 97 if (!EVP_DigestFinal_ex(&ctx,&(md[0]),NULL)) | |
| 98 goto err; | |
| 99 ret=( ((unsigned long)md[0] )|((unsigned long)md[1]<<8L)| | |
| 100 ((unsigned long)md[2]<<16L)|((unsigned long)md[3]<<24L) | |
| 101 )&0xffffffffL; | |
| 102 err: | |
| 103 EVP_MD_CTX_cleanup(&ctx); | |
| 104 return(ret); | |
| 105 } | |
| 106 #endif | |
| 107 | |
| 108 int X509_issuer_name_cmp(const X509 *a, const X509 *b) | |
| 109 { | |
| 110 return(X509_NAME_cmp(a->cert_info->issuer,b->cert_info->issuer)); | |
| 111 } | |
| 112 | |
| 113 int X509_subject_name_cmp(const X509 *a, const X509 *b) | |
| 114 { | |
| 115 return(X509_NAME_cmp(a->cert_info->subject,b->cert_info->subject)); | |
| 116 } | |
| 117 | |
| 118 int X509_CRL_cmp(const X509_CRL *a, const X509_CRL *b) | |
| 119 { | |
| 120 return(X509_NAME_cmp(a->crl->issuer,b->crl->issuer)); | |
| 121 } | |
| 122 | |
| 123 #ifndef OPENSSL_NO_SHA | |
| 124 int X509_CRL_match(const X509_CRL *a, const X509_CRL *b) | |
| 125 { | |
| 126 return memcmp(a->sha1_hash, b->sha1_hash, 20); | |
| 127 } | |
| 128 #endif | |
| 129 | |
| 130 X509_NAME *X509_get_issuer_name(X509 *a) | |
| 131 { | |
| 132 return(a->cert_info->issuer); | |
| 133 } | |
| 134 | |
| 135 unsigned long X509_issuer_name_hash(X509 *x) | |
| 136 { | |
| 137 return(X509_NAME_hash(x->cert_info->issuer)); | |
| 138 } | |
| 139 | |
| 140 #ifndef OPENSSL_NO_MD5 | |
| 141 unsigned long X509_issuer_name_hash_old(X509 *x) | |
| 142 { | |
| 143 return(X509_NAME_hash_old(x->cert_info->issuer)); | |
| 144 } | |
| 145 #endif | |
| 146 | |
| 147 X509_NAME *X509_get_subject_name(X509 *a) | |
| 148 { | |
| 149 return(a->cert_info->subject); | |
| 150 } | |
| 151 | |
| 152 ASN1_INTEGER *X509_get_serialNumber(X509 *a) | |
| 153 { | |
| 154 return(a->cert_info->serialNumber); | |
| 155 } | |
| 156 | |
| 157 unsigned long X509_subject_name_hash(X509 *x) | |
| 158 { | |
| 159 return(X509_NAME_hash(x->cert_info->subject)); | |
| 160 } | |
| 161 | |
| 162 #ifndef OPENSSL_NO_MD5 | |
| 163 unsigned long X509_subject_name_hash_old(X509 *x) | |
| 164 { | |
| 165 return(X509_NAME_hash_old(x->cert_info->subject)); | |
| 166 } | |
| 167 #endif | |
| 168 | |
| 169 #ifndef OPENSSL_NO_SHA | |
| 170 /* Compare two certificates: they must be identical for | |
| 171 * this to work. NB: Although "cmp" operations are generally | |
| 172 * prototyped to take "const" arguments (eg. for use in | |
| 173 * STACKs), the way X509 handling is - these operations may | |
| 174 * involve ensuring the hashes are up-to-date and ensuring | |
| 175 * certain cert information is cached. So this is the point | |
| 176 * where the "depth-first" constification tree has to halt | |
| 177 * with an evil cast. | |
| 178 */ | |
| 179 int X509_cmp(const X509 *a, const X509 *b) | |
| 180 { | |
| 181 /* ensure hash is valid */ | |
| 182 X509_check_purpose((X509 *)a, -1, 0); | |
| 183 X509_check_purpose((X509 *)b, -1, 0); | |
| 184 | |
| 185 return memcmp(a->sha1_hash, b->sha1_hash, SHA_DIGEST_LENGTH); | |
| 186 } | |
| 187 #endif | |
| 188 | |
| 189 | |
| 190 int X509_NAME_cmp(const X509_NAME *a, const X509_NAME *b) | |
| 191 { | |
| 192 int ret; | |
| 193 | |
| 194 /* Ensure canonical encoding is present and up to date */ | |
| 195 | |
| 196 if (!a->canon_enc || a->modified) | |
| 197 { | |
| 198 ret = i2d_X509_NAME((X509_NAME *)a, NULL); | |
| 199 if (ret < 0) | |
| 200 return -2; | |
| 201 } | |
| 202 | |
| 203 if (!b->canon_enc || b->modified) | |
| 204 { | |
| 205 ret = i2d_X509_NAME((X509_NAME *)b, NULL); | |
| 206 if (ret < 0) | |
| 207 return -2; | |
| 208 } | |
| 209 | |
| 210 ret = a->canon_enclen - b->canon_enclen; | |
| 211 | |
| 212 if (ret) | |
| 213 return ret; | |
| 214 | |
| 215 return memcmp(a->canon_enc, b->canon_enc, a->canon_enclen); | |
| 216 | |
| 217 } | |
| 218 | |
| 219 unsigned long X509_NAME_hash(X509_NAME *x) | |
| 220 { | |
| 221 unsigned long ret=0; | |
| 222 unsigned char md[SHA_DIGEST_LENGTH]; | |
| 223 | |
| 224 /* Make sure X509_NAME structure contains valid cached encoding */ | |
| 225 i2d_X509_NAME(x,NULL); | |
| 226 if (!EVP_Digest(x->canon_enc, x->canon_enclen, md, NULL, EVP_sha1(), | |
| 227 NULL)) | |
| 228 return 0; | |
| 229 | |
| 230 ret=( ((unsigned long)md[0] )|((unsigned long)md[1]<<8L)| | |
| 231 ((unsigned long)md[2]<<16L)|((unsigned long)md[3]<<24L) | |
| 232 )&0xffffffffL; | |
| 233 return(ret); | |
| 234 } | |
| 235 | |
| 236 | |
| 237 #ifndef OPENSSL_NO_MD5 | |
| 238 /* I now DER encode the name and hash it. Since I cache the DER encoding, | |
| 239 * this is reasonably efficient. */ | |
| 240 | |
| 241 unsigned long X509_NAME_hash_old(X509_NAME *x) | |
| 242 { | |
| 243 EVP_MD_CTX md_ctx; | |
| 244 unsigned long ret=0; | |
| 245 unsigned char md[16]; | |
| 246 | |
| 247 /* Make sure X509_NAME structure contains valid cached encoding */ | |
| 248 i2d_X509_NAME(x,NULL); | |
| 249 EVP_MD_CTX_init(&md_ctx); | |
| 250 EVP_MD_CTX_set_flags(&md_ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW); | |
| 251 if (EVP_DigestInit_ex(&md_ctx, EVP_md5(), NULL) | |
| 252 && EVP_DigestUpdate(&md_ctx, x->bytes->data, x->bytes->length) | |
| 253 && EVP_DigestFinal_ex(&md_ctx,md,NULL)) | |
| 254 ret=(((unsigned long)md[0] )|((unsigned long)md[1]<<8L)| | |
| 255 ((unsigned long)md[2]<<16L)|((unsigned long)md[3]<<24L) | |
| 256 )&0xffffffffL; | |
| 257 EVP_MD_CTX_cleanup(&md_ctx); | |
| 258 | |
| 259 return(ret); | |
| 260 } | |
| 261 #endif | |
| 262 | |
| 263 /* Search a stack of X509 for a match */ | |
| 264 X509 *X509_find_by_issuer_and_serial(STACK_OF(X509) *sk, X509_NAME *name, | |
| 265 ASN1_INTEGER *serial) | |
| 266 { | |
| 267 int i; | |
| 268 X509_CINF cinf; | |
| 269 X509 x,*x509=NULL; | |
| 270 | |
| 271 if(!sk) return NULL; | |
| 272 | |
| 273 x.cert_info= &cinf; | |
| 274 cinf.serialNumber=serial; | |
| 275 cinf.issuer=name; | |
| 276 | |
| 277 for (i=0; i<sk_X509_num(sk); i++) | |
| 278 { | |
| 279 x509=sk_X509_value(sk,i); | |
| 280 if (X509_issuer_and_serial_cmp(x509,&x) == 0) | |
| 281 return(x509); | |
| 282 } | |
| 283 return(NULL); | |
| 284 } | |
| 285 | |
| 286 X509 *X509_find_by_subject(STACK_OF(X509) *sk, X509_NAME *name) | |
| 287 { | |
| 288 X509 *x509; | |
| 289 int i; | |
| 290 | |
| 291 for (i=0; i<sk_X509_num(sk); i++) | |
| 292 { | |
| 293 x509=sk_X509_value(sk,i); | |
| 294 if (X509_NAME_cmp(X509_get_subject_name(x509),name) == 0) | |
| 295 return(x509); | |
| 296 } | |
| 297 return(NULL); | |
| 298 } | |
| 299 | |
| 300 EVP_PKEY *X509_get_pubkey(X509 *x) | |
| 301 { | |
| 302 if ((x == NULL) || (x->cert_info == NULL)) | |
| 303 return(NULL); | |
| 304 return(X509_PUBKEY_get(x->cert_info->key)); | |
| 305 } | |
| 306 | |
| 307 ASN1_BIT_STRING *X509_get0_pubkey_bitstr(const X509 *x) | |
| 308 { | |
| 309 if(!x) return NULL; | |
| 310 return x->cert_info->key->public_key; | |
| 311 } | |
| 312 | |
| 313 int X509_check_private_key(X509 *x, EVP_PKEY *k) | |
| 314 { | |
| 315 EVP_PKEY *xk; | |
| 316 int ret; | |
| 317 | |
| 318 xk=X509_get_pubkey(x); | |
| 319 | |
| 320 if (xk) | |
| 321 ret = EVP_PKEY_cmp(xk, k); | |
| 322 else | |
| 323 ret = -2; | |
| 324 | |
| 325 switch (ret) | |
| 326 { | |
| 327 case 1: | |
| 328 break; | |
| 329 case 0: | |
| 330 X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_VALUES_MISMATCH
); | |
| 331 break; | |
| 332 case -1: | |
| 333 X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_TYPE_MISMATCH); | |
| 334 break; | |
| 335 case -2: | |
| 336 X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_UNKNOWN_KEY_TYPE); | |
| 337 } | |
| 338 if (xk) | |
| 339 EVP_PKEY_free(xk); | |
| 340 if (ret > 0) | |
| 341 return 1; | |
| 342 return 0; | |
| 343 } | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master