1 /* crypto/x509/x509_cmp.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
62 #include <openssl/asn1.h>
63 #include <openssl/objects.h>
64 #include <openssl/x509.h>
65 #include <openssl/x509v3.h>
67 int X509_issuer_and_serial_cmp(const X509 *a, const X509 *b)
74 i=M_ASN1_INTEGER_cmp(ai->serialNumber,bi->serialNumber);
76 return(X509_NAME_cmp(ai->issuer,bi->issuer));
79 #ifndef OPENSSL_NO_MD5
80 unsigned long X509_issuer_and_serial_hash(X509 *a)
87 EVP_MD_CTX_init(&ctx);
88 f=X509_NAME_oneline(a->cert_info->issuer,NULL,0);
90 EVP_DigestInit_ex(&ctx, EVP_md5(), NULL);
91 EVP_DigestUpdate(&ctx,(unsigned char *)f,ret);
93 EVP_DigestUpdate(&ctx,(unsigned char *)a->cert_info->serialNumber->data,
94 (unsigned long)a->cert_info->serialNumber->length);
95 EVP_DigestFinal_ex(&ctx,&(md[0]),NULL);
96 ret=( ((unsigned long)md[0] )|((unsigned long)md[1]<<8L)|
97 ((unsigned long)md[2]<<16L)|((unsigned long)md[3]<<24L)
99 EVP_MD_CTX_cleanup(&ctx);
104 int X509_issuer_name_cmp(const X509 *a, const X509 *b)
106 return(X509_NAME_cmp(a->cert_info->issuer,b->cert_info->issuer));
109 int X509_subject_name_cmp(const X509 *a, const X509 *b)
111 return(X509_NAME_cmp(a->cert_info->subject,b->cert_info->subject));
114 int X509_CRL_cmp(const X509_CRL *a, const X509_CRL *b)
116 return(X509_NAME_cmp(a->crl->issuer,b->crl->issuer));
119 #ifndef OPENSSL_NO_SHA
120 int X509_CRL_match(const X509_CRL *a, const X509_CRL *b)
122 return memcmp(a->sha1_hash, b->sha1_hash, 20);
126 X509_NAME *X509_get_issuer_name(X509 *a)
128 return(a->cert_info->issuer);
131 unsigned long X509_issuer_name_hash(X509 *x)
133 return(X509_NAME_hash(x->cert_info->issuer));
136 X509_NAME *X509_get_subject_name(X509 *a)
138 return(a->cert_info->subject);
141 ASN1_INTEGER *X509_get_serialNumber(X509 *a)
143 return(a->cert_info->serialNumber);
146 unsigned long X509_subject_name_hash(X509 *x)
148 return(X509_NAME_hash(x->cert_info->subject));
151 #ifndef OPENSSL_NO_SHA
152 /* Compare two certificates: they must be identical for
153 * this to work. NB: Although "cmp" operations are generally
154 * prototyped to take "const" arguments (eg. for use in
155 * STACKs), the way X509 handling is - these operations may
156 * involve ensuring the hashes are up-to-date and ensuring
157 * certain cert information is cached. So this is the point
158 * where the "depth-first" constification tree has to halt
161 int X509_cmp(const X509 *a, const X509 *b)
163 /* ensure hash is valid */
164 X509_check_purpose((X509 *)a, -1, 0);
165 X509_check_purpose((X509 *)b, -1, 0);
167 return memcmp(a->sha1_hash, b->sha1_hash, SHA_DIGEST_LENGTH);
172 int X509_NAME_cmp(const X509_NAME *a, const X509_NAME *b)
176 /* Ensure canonical encoding is present */
180 ret = i2d_X509_NAME((X509_NAME *)a, NULL);
187 ret = i2d_X509_NAME((X509_NAME *)b, NULL);
192 ret = a->canon_enclen - b->canon_enclen;
197 return memcmp(a->canon_enc, b->canon_enc, a->canon_enclen);
201 unsigned long X509_NAME_hash(X509_NAME *x)
204 unsigned char md[SHA_DIGEST_LENGTH];
206 /* Make sure X509_NAME structure contains valid cached encoding */
207 i2d_X509_NAME(x,NULL);
208 EVP_Digest(x->canon_enc, x->canon_enclen, md, NULL, EVP_sha1(), NULL);
210 ret=( ((unsigned long)md[0] )|((unsigned long)md[1]<<8L)|
211 ((unsigned long)md[2]<<16L)|((unsigned long)md[3]<<24L)
217 #ifndef OPENSSL_NO_MD5
218 /* I now DER encode the name and hash it. Since I cache the DER encoding,
219 * this is reasonably efficient. */
221 unsigned long X509_NAME_hash_old(X509_NAME *x)
224 unsigned char md[16];
226 /* Make sure X509_NAME structure contains valid cached encoding */
227 i2d_X509_NAME(x,NULL);
228 EVP_Digest(x->bytes->data, x->bytes->length, md, NULL, EVP_md5(), NULL);
230 ret=( ((unsigned long)md[0] )|((unsigned long)md[1]<<8L)|
231 ((unsigned long)md[2]<<16L)|((unsigned long)md[3]<<24L)
237 /* Search a stack of X509 for a match */
238 X509 *X509_find_by_issuer_and_serial(STACK_OF(X509) *sk, X509_NAME *name,
239 ASN1_INTEGER *serial)
248 cinf.serialNumber=serial;
251 for (i=0; i<sk_X509_num(sk); i++)
253 x509=sk_X509_value(sk,i);
254 if (X509_issuer_and_serial_cmp(x509,&x) == 0)
260 X509 *X509_find_by_subject(STACK_OF(X509) *sk, X509_NAME *name)
265 for (i=0; i<sk_X509_num(sk); i++)
267 x509=sk_X509_value(sk,i);
268 if (X509_NAME_cmp(X509_get_subject_name(x509),name) == 0)
274 EVP_PKEY *X509_get_pubkey(X509 *x)
276 if ((x == NULL) || (x->cert_info == NULL))
278 return(X509_PUBKEY_get(x->cert_info->key));
281 ASN1_BIT_STRING *X509_get0_pubkey_bitstr(const X509 *x)
284 return x->cert_info->key->public_key;
287 int X509_check_private_key(X509 *x, EVP_PKEY *k)
292 xk=X509_get_pubkey(x);
295 ret = EVP_PKEY_cmp(xk, k);
304 X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_VALUES_MISMATCH);
307 X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_TYPE_MISMATCH);
310 X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_UNKNOWN_KEY_TYPE);