[thirdparty/openssl.git] / crypto / x509 / x509_cmp.c

/* crypto/x509/x509_cmp.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <stdio.h>
#include "cryptlib.h"
#include <openssl/asn1.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>

int X509_issuer_and_serial_cmp(const X509 *a, const X509 *b)
	{
	int i;
	X509_CINF *ai,*bi;

	ai=a->cert_info;
	bi=b->cert_info;
	i=M_ASN1_INTEGER_cmp(ai->serialNumber,bi->serialNumber);
	if (i) return(i);
	return(X509_NAME_cmp(ai->issuer,bi->issuer));
	}

#ifndef NO_MD5
unsigned long X509_issuer_and_serial_hash(X509 *a)
	{
	unsigned long ret=0;
	MD5_CTX ctx;
	unsigned char md[16];
	char str[256];

	X509_NAME_oneline(a->cert_info->issuer,str,256);
	ret=strlen(str);
	MD5_Init(&ctx);
	MD5_Update(&ctx,(unsigned char *)str,ret);
	MD5_Update(&ctx,(unsigned char *)a->cert_info->serialNumber->data,
		(unsigned long)a->cert_info->serialNumber->length);
	MD5_Final(&(md[0]),&ctx);
	ret=(	((unsigned long)md[0]     )|((unsigned long)md[1]<<8L)|
		((unsigned long)md[2]<<16L)|((unsigned long)md[3]<<24L)
		)&0xffffffffL;
	return(ret);
	}
#endif
	
int X509_issuer_name_cmp(const X509 *a, const X509 *b)
	{
	return(X509_NAME_cmp(a->cert_info->issuer,b->cert_info->issuer));
	}

int X509_subject_name_cmp(const X509 *a, const X509 *b)
	{
	return(X509_NAME_cmp(a->cert_info->subject,b->cert_info->subject));
	}

int X509_CRL_cmp(const X509_CRL *a, const X509_CRL *b)
	{
	return(X509_NAME_cmp(a->crl->issuer,b->crl->issuer));
	}

X509_NAME *X509_get_issuer_name(X509 *a)
	{
	return(a->cert_info->issuer);
	}

unsigned long X509_issuer_name_hash(X509 *x)
	{
	return(X509_NAME_hash(x->cert_info->issuer));
	}

X509_NAME *X509_get_subject_name(X509 *a)
	{
	return(a->cert_info->subject);
	}

ASN1_INTEGER *X509_get_serialNumber(X509 *a)
	{
	return(a->cert_info->serialNumber);
	}

unsigned long X509_subject_name_hash(X509 *x)
	{
	return(X509_NAME_hash(x->cert_info->subject));
	}

#ifndef NO_SHA
/* Compare two certificates: they must be identical for
 * this to work. NB: Although "cmp" operations are generally
 * prototyped to take "const" arguments (eg. for use in
 * STACKs), the way X509 handling is - these operations may
 * involve ensuring the hashes are up-to-date and ensuring
 * certain cert information is cached. So this is the point
 * where the "depth-first" constification tree has to halt
 * with an evil cast.
 */
int X509_cmp(const X509 *a, const X509 *b)
{
	/* ensure hash is valid */
	X509_check_purpose((X509 *)a, -1, 0);
	X509_check_purpose((X509 *)b, -1, 0);

	return memcmp(a->sha1_hash, b->sha1_hash, SHA_DIGEST_LENGTH);
}
#endif

int X509_NAME_cmp(const X509_NAME *a, const X509_NAME *b)
	{
	int i,j;
	X509_NAME_ENTRY *na,*nb;

	if (sk_X509_NAME_ENTRY_num(a->entries)
	    != sk_X509_NAME_ENTRY_num(b->entries))
		return sk_X509_NAME_ENTRY_num(a->entries)
		  -sk_X509_NAME_ENTRY_num(b->entries);
	for (i=sk_X509_NAME_ENTRY_num(a->entries)-1; i>=0; i--)
		{
		na=sk_X509_NAME_ENTRY_value(a->entries,i);
		nb=sk_X509_NAME_ENTRY_value(b->entries,i);
		j=na->value->length-nb->value->length;
		if (j) return(j);
		j=memcmp(na->value->data,nb->value->data,
			na->value->length);
		if (j) return(j);
		j=na->set-nb->set;
		if (j) return(j);
		}

	/* We will check the object types after checking the values
	 * since the values will more often be different than the object
	 * types. */
	for (i=sk_X509_NAME_ENTRY_num(a->entries)-1; i>=0; i--)
		{
		na=sk_X509_NAME_ENTRY_value(a->entries,i);
		nb=sk_X509_NAME_ENTRY_value(b->entries,i);
		j=OBJ_cmp(na->object,nb->object);
		if (j) return(j);
		}
	return(0);
	}

#ifndef NO_MD5
/* I now DER encode the name and hash it.  Since I cache the DER encoding,
 * this is reasonably efficient. */
unsigned long X509_NAME_hash(X509_NAME *x)
	{
	unsigned long ret=0;
	unsigned char md[16];
	unsigned char str[256],*p,*pp;
	int i;

	i=i2d_X509_NAME(x,NULL);
	if (i > sizeof(str))
		p=OPENSSL_malloc(i);
	else
		p=str;

	pp=p;
	i2d_X509_NAME(x,&pp);
	MD5((unsigned char *)p,i,&(md[0]));
	if (p != str) OPENSSL_free(p);

	ret=(	((unsigned long)md[0]     )|((unsigned long)md[1]<<8L)|
		((unsigned long)md[2]<<16L)|((unsigned long)md[3]<<24L)
		)&0xffffffffL;
	return(ret);
	}
#endif

/* Search a stack of X509 for a match */
X509 *X509_find_by_issuer_and_serial(STACK_OF(X509) *sk, X509_NAME *name,
		ASN1_INTEGER *serial)
	{
	int i;
	X509_CINF cinf;
	X509 x,*x509=NULL;

	if(!sk) return NULL;

	x.cert_info= &cinf;
	cinf.serialNumber=serial;
	cinf.issuer=name;

	for (i=0; i<sk_X509_num(sk); i++)
		{
		x509=sk_X509_value(sk,i);
		if (X509_issuer_and_serial_cmp(x509,&x) == 0)
			return(x509);
		}
	return(NULL);
	}

X509 *X509_find_by_subject(STACK_OF(X509) *sk, X509_NAME *name)
	{
	X509 *x509;
	int i;

	for (i=0; i<sk_X509_num(sk); i++)
		{
		x509=sk_X509_value(sk,i);
		if (X509_NAME_cmp(X509_get_subject_name(x509),name) == 0)
			return(x509);
		}
	return(NULL);
	}

EVP_PKEY *X509_get_pubkey(X509 *x)
	{
	if ((x == NULL) || (x->cert_info == NULL))
		return(NULL);
	return(X509_PUBKEY_get(x->cert_info->key));
	}

int X509_check_private_key(X509 *x, EVP_PKEY *k)
	{
	EVP_PKEY *xk=NULL;
	int ok=0;

	xk=X509_get_pubkey(x);
	if (xk->type != k->type)
	    {
	    X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_TYPE_MISMATCH);
	    goto err;
	    }
	switch (k->type)
		{
#ifndef NO_RSA
	case EVP_PKEY_RSA:
		if (BN_cmp(xk->pkey.rsa->n,k->pkey.rsa->n) != 0
		    || BN_cmp(xk->pkey.rsa->e,k->pkey.rsa->e) != 0)
		    {
		    X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_VALUES_MISMATCH);
		    goto err;
		    }
		break;
#endif
#ifndef NO_DSA
	case EVP_PKEY_DSA:
		if (BN_cmp(xk->pkey.dsa->pub_key,k->pkey.dsa->pub_key) != 0)
		    {
		    X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_VALUES_MISMATCH);
		    goto err;
		    }
		break;
#endif
#ifndef NO_DH
	case EVP_PKEY_DH:
		/* No idea */
	        X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_CANT_CHECK_DH_KEY);
		goto err;
#endif
	default:
	        X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_UNKNOWN_KEY_TYPE);
		goto err;
		}

	ok=1;
err:
	EVP_PKEY_free(xk);
	return(ok);
	}
Commit	Line	Data
d02b48c6	1	/* crypto/x509/x509_cmp.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	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>
d02b48c6	60	#include "cryptlib.h"
ec577822 BM	61	#include <openssl/asn1.h>
	62	#include <openssl/objects.h>
	63	#include <openssl/x509.h>
e947f396	64	#include <openssl/x509v3.h>
d02b48c6	65
ccd86b68	66	int X509_issuer_and_serial_cmp(const X509 a, const X509 b)
d02b48c6 RE	67	{
	68	int i;
	69	X509_CINF ai,bi;
	70
	71	ai=a->cert_info;
	72	bi=b->cert_info;
08e9c1af	73	i=M_ASN1_INTEGER_cmp(ai->serialNumber,bi->serialNumber);
d02b48c6 RE	74	if (i) return(i);
	75	return(X509_NAME_cmp(ai->issuer,bi->issuer));
	76	}
	77
	78	#ifndef NO_MD5
6b691a5c	79	unsigned long X509_issuer_and_serial_hash(X509 *a)
d02b48c6 RE	80	{
	81	unsigned long ret=0;
	82	MD5_CTX ctx;
	83	unsigned char md[16];
	84	char str[256];
	85
	86	X509_NAME_oneline(a->cert_info->issuer,str,256);
	87	ret=strlen(str);
	88	MD5_Init(&ctx);
	89	MD5_Update(&ctx,(unsigned char *)str,ret);
	90	MD5_Update(&ctx,(unsigned char *)a->cert_info->serialNumber->data,
	91	(unsigned long)a->cert_info->serialNumber->length);
	92	MD5_Final(&(md[0]),&ctx);
	93	ret=( ((unsigned long)md[0] )\|((unsigned long)md[1]<<8L)\|
	94	((unsigned long)md[2]<<16L)\|((unsigned long)md[3]<<24L)
	95	)&0xffffffffL;
	96	return(ret);
	97	}
	98	#endif
	99
ccd86b68	100	int X509_issuer_name_cmp(const X509 a, const X509 b)
d02b48c6 RE	101	{
	102	return(X509_NAME_cmp(a->cert_info->issuer,b->cert_info->issuer));
	103	}
	104
ccd86b68	105	int X509_subject_name_cmp(const X509 a, const X509 b)
d02b48c6 RE	106	{
	107	return(X509_NAME_cmp(a->cert_info->subject,b->cert_info->subject));
	108	}
	109
ccd86b68	110	int X509_CRL_cmp(const X509_CRL a, const X509_CRL b)
d02b48c6 RE	111	{
	112	return(X509_NAME_cmp(a->crl->issuer,b->crl->issuer));
	113	}
	114
6b691a5c	115	X509_NAME X509_get_issuer_name(X509 a)
d02b48c6 RE	116	{
	117	return(a->cert_info->issuer);
	118	}
	119
6b691a5c	120	unsigned long X509_issuer_name_hash(X509 *x)
d02b48c6 RE	121	{
	122	return(X509_NAME_hash(x->cert_info->issuer));
	123	}
	124
6b691a5c	125	X509_NAME X509_get_subject_name(X509 a)
d02b48c6 RE	126	{
	127	return(a->cert_info->subject);
	128	}
	129
6b691a5c	130	ASN1_INTEGER X509_get_serialNumber(X509 a)
d02b48c6 RE	131	{
	132	return(a->cert_info->serialNumber);
	133	}
	134
6b691a5c	135	unsigned long X509_subject_name_hash(X509 *x)
d02b48c6 RE	136	{
	137	return(X509_NAME_hash(x->cert_info->subject));
	138	}
731d9c5f UM	139
731d9c5f UM	140	#ifndef NO_SHA
e947f396	141	/* Compare two certificates: they must be identical for
ccd86b68 GT	142	* this to work. NB: Although "cmp" operations are generally
	143	* prototyped to take "const" arguments (eg. for use in
	144	* STACKs), the way X509 handling is - these operations may
	145	* involve ensuring the hashes are up-to-date and ensuring
	146	* certain cert information is cached. So this is the point
	147	* where the "depth-first" constification tree has to halt
	148	* with an evil cast.
e947f396	149	*/
ccd86b68	150	int X509_cmp(const X509 a, const X509 b)
e947f396 DSH	151	{
e947f396 DSH	152	/* ensure hash is valid */
ccd86b68 GT	153	X509_check_purpose((X509 *)a, -1, 0);
ccd86b68 GT	154	X509_check_purpose((X509 *)b, -1, 0);
731d9c5f	155
e947f396 DSH	156	return memcmp(a->sha1_hash, b->sha1_hash, SHA_DIGEST_LENGTH);
e947f396 DSH	157	}
731d9c5f	158	#endif
d02b48c6	159
ccd86b68	160	int X509_NAME_cmp(const X509_NAME a, const X509_NAME b)
d02b48c6 RE	161	{
	162	int i,j;
	163	X509_NAME_ENTRY na,nb;
	164
65d4927b BL	165	if (sk_X509_NAME_ENTRY_num(a->entries)
	166	!= sk_X509_NAME_ENTRY_num(b->entries))
	167	return sk_X509_NAME_ENTRY_num(a->entries)
	168	-sk_X509_NAME_ENTRY_num(b->entries);
	169	for (i=sk_X509_NAME_ENTRY_num(a->entries)-1; i>=0; i--)
d02b48c6	170	{
65d4927b BL	171	na=sk_X509_NAME_ENTRY_value(a->entries,i);
65d4927b BL	172	nb=sk_X509_NAME_ENTRY_value(b->entries,i);
d02b48c6 RE	173	j=na->value->length-nb->value->length;
	174	if (j) return(j);
	175	j=memcmp(na->value->data,nb->value->data,
	176	na->value->length);
	177	if (j) return(j);
	178	j=na->set-nb->set;
	179	if (j) return(j);
	180	}
	181
	182	/* We will check the object types after checking the values
	183	* since the values will more often be different than the object
	184	* types. */
65d4927b	185	for (i=sk_X509_NAME_ENTRY_num(a->entries)-1; i>=0; i--)
d02b48c6	186	{
65d4927b BL	187	na=sk_X509_NAME_ENTRY_value(a->entries,i);
65d4927b BL	188	nb=sk_X509_NAME_ENTRY_value(b->entries,i);
d02b48c6 RE	189	j=OBJ_cmp(na->object,nb->object);
	190	if (j) return(j);
	191	}
	192	return(0);
	193	}
	194
	195	#ifndef NO_MD5
58964a49	196	/* I now DER encode the name and hash it. Since I cache the DER encoding,
657e60fa	197	* this is reasonably efficient. */
6b691a5c	198	unsigned long X509_NAME_hash(X509_NAME *x)
d02b48c6 RE	199	{
	200	unsigned long ret=0;
	201	unsigned char md[16];
58964a49 RE	202	unsigned char str[256],p,pp;
	203	int i;
	204
	205	i=i2d_X509_NAME(x,NULL);
	206	if (i > sizeof(str))
26a3a48d	207	p=OPENSSL_malloc(i);
58964a49 RE	208	else
	209	p=str;
	210
	211	pp=p;
	212	i2d_X509_NAME(x,&pp);
	213	MD5((unsigned char *)p,i,&(md[0]));
26a3a48d	214	if (p != str) OPENSSL_free(p);
d02b48c6	215
d02b48c6 RE	216	ret=( ((unsigned long)md[0] )\|((unsigned long)md[1]<<8L)\|
	217	((unsigned long)md[2]<<16L)\|((unsigned long)md[3]<<24L)
	218	)&0xffffffffL;
	219	return(ret);
	220	}
	221	#endif
	222
	223	/* Search a stack of X509 for a match */
6b691a5c UM	224	X509 X509_find_by_issuer_and_serial(STACK_OF(X509) sk, X509_NAME *name,
6b691a5c UM	225	ASN1_INTEGER *serial)
d02b48c6 RE	226	{
	227	int i;
	228	X509_CINF cinf;
	229	X509 x,*x509=NULL;
	230
393f2c65 DSH	231	if(!sk) return NULL;
393f2c65 DSH	232
d02b48c6 RE	233	x.cert_info= &cinf;
	234	cinf.serialNumber=serial;
	235	cinf.issuer=name;
	236
f73e07cf	237	for (i=0; i<sk_X509_num(sk); i++)
d02b48c6	238	{
f73e07cf	239	x509=sk_X509_value(sk,i);
d02b48c6 RE	240	if (X509_issuer_and_serial_cmp(x509,&x) == 0)
	241	return(x509);
	242	}
58964a49	243	return(NULL);
d02b48c6 RE	244	}
d02b48c6 RE	245
6b691a5c	246	X509 X509_find_by_subject(STACK_OF(X509) sk, X509_NAME *name)
d02b48c6 RE	247	{
	248	X509 *x509;
	249	int i;
	250
f73e07cf	251	for (i=0; i<sk_X509_num(sk); i++)
d02b48c6	252	{
f73e07cf	253	x509=sk_X509_value(sk,i);
d02b48c6 RE	254	if (X509_NAME_cmp(X509_get_subject_name(x509),name) == 0)
	255	return(x509);
	256	}
	257	return(NULL);
	258	}
	259
6b691a5c	260	EVP_PKEY X509_get_pubkey(X509 x)
dfeab068 RE	261	{
	262	if ((x == NULL) \|\| (x->cert_info == NULL))
	263	return(NULL);
	264	return(X509_PUBKEY_get(x->cert_info->key));
	265	}
	266
6b691a5c	267	int X509_check_private_key(X509 x, EVP_PKEY k)
dfeab068 RE	268	{
	269	EVP_PKEY *xk=NULL;
	270	int ok=0;
	271
	272	xk=X509_get_pubkey(x);
4004dbb7 BL	273	if (xk->type != k->type)
4004dbb7 BL	274	{
c9e4bc2f	275	X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_TYPE_MISMATCH);
4004dbb7 BL	276	goto err;
4004dbb7 BL	277	}
dfeab068 RE	278	switch (k->type)
	279	{
	280	#ifndef NO_RSA
	281	case EVP_PKEY_RSA:
4004dbb7 BL	282	if (BN_cmp(xk->pkey.rsa->n,k->pkey.rsa->n) != 0
	283	\|\| BN_cmp(xk->pkey.rsa->e,k->pkey.rsa->e) != 0)
	284	{
c9e4bc2f	285	X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_VALUES_MISMATCH);
4004dbb7 BL	286	goto err;
4004dbb7 BL	287	}
dfeab068 RE	288	break;
	289	#endif
	290	#ifndef NO_DSA
	291	case EVP_PKEY_DSA:
	292	if (BN_cmp(xk->pkey.dsa->pub_key,k->pkey.dsa->pub_key) != 0)
4004dbb7	293	{
c9e4bc2f	294	X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_VALUES_MISMATCH);
4004dbb7 BL	295	goto err;
4004dbb7 BL	296	}
dfeab068 RE	297	break;
	298	#endif
	299	#ifndef NO_DH
	300	case EVP_PKEY_DH:
	301	/* No idea */
c9e4bc2f	302	X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_CANT_CHECK_DH_KEY);
dfeab068 RE	303	goto err;
	304	#endif
	305	default:
c9e4bc2f	306	X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_UNKNOWN_KEY_TYPE);
dfeab068 RE	307	goto err;
	308	}
	309
	310	ok=1;
	311	err:
10061c7c	312	EVP_PKEY_free(xk);
dfeab068 RE	313	return(ok);
dfeab068 RE	314	}