--- /dev/null
+/* 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 <ctype.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 OPENSSL_NO_MD5
+unsigned long X509_issuer_and_serial_hash(X509 *a)
+ {
+ unsigned long ret=0;
+ EVP_MD_CTX ctx;
+ unsigned char md[16];
+ char *f;
+
+ EVP_MD_CTX_init(&ctx);
+ f=X509_NAME_oneline(a->cert_info->issuer,NULL,0);
+ if (!EVP_DigestInit_ex(&ctx, EVP_md5(), NULL))
+ goto err;
+ if (!EVP_DigestUpdate(&ctx,(unsigned char *)f,strlen(f)))
+ goto err;
+ OPENSSL_free(f);
+ if(!EVP_DigestUpdate(&ctx,(unsigned char *)a->cert_info->serialNumber->data,
+ (unsigned long)a->cert_info->serialNumber->length))
+ goto err;
+ if (!EVP_DigestFinal_ex(&ctx,&(md[0]),NULL))
+ goto err;
+ ret=( ((unsigned long)md[0] )|((unsigned long)md[1]<<8L)|
+ ((unsigned long)md[2]<<16L)|((unsigned long)md[3]<<24L)
+ )&0xffffffffL;
+ err:
+ EVP_MD_CTX_cleanup(&ctx);
+ 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));
+ }
+
+#ifndef OPENSSL_NO_SHA
+int X509_CRL_match(const X509_CRL *a, const X509_CRL *b)
+ {
+ return memcmp(a->sha1_hash, b->sha1_hash, 20);
+ }
+#endif
+
+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));
+ }
+
+#ifndef OPENSSL_NO_MD5
+unsigned long X509_issuer_name_hash_old(X509 *x)
+ {
+ return(X509_NAME_hash_old(x->cert_info->issuer));
+ }
+#endif
+
+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 OPENSSL_NO_MD5
+unsigned long X509_subject_name_hash_old(X509 *x)
+ {
+ return(X509_NAME_hash_old(x->cert_info->subject));
+ }
+#endif
+
+#ifndef OPENSSL_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 ret;
+
+ /* Ensure canonical encoding is present and up to date */
+
+ if (!a->canon_enc || a->modified)
+ {
+ ret = i2d_X509_NAME((X509_NAME *)a, NULL);
+ if (ret < 0)
+ return -2;
+ }
+
+ if (!b->canon_enc || b->modified)
+ {
+ ret = i2d_X509_NAME((X509_NAME *)b, NULL);
+ if (ret < 0)
+ return -2;
+ }
+
+ ret = a->canon_enclen - b->canon_enclen;
+
+ if (ret)
+ return ret;
+
+ return memcmp(a->canon_enc, b->canon_enc, a->canon_enclen);
+
+ }
+
+unsigned long X509_NAME_hash(X509_NAME *x)
+ {
+ unsigned long ret=0;
+ unsigned char md[SHA_DIGEST_LENGTH];
+
+ /* Make sure X509_NAME structure contains valid cached encoding */
+ i2d_X509_NAME(x,NULL);
+ if (!EVP_Digest(x->canon_enc, x->canon_enclen, md, NULL, EVP_sha1(),
+ NULL))
+ return 0;
+
+ ret=( ((unsigned long)md[0] )|((unsigned long)md[1]<<8L)|
+ ((unsigned long)md[2]<<16L)|((unsigned long)md[3]<<24L)
+ )&0xffffffffL;
+ return(ret);
+ }
+
+
+#ifndef OPENSSL_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_old(X509_NAME *x)
+ {
+ EVP_MD_CTX md_ctx;
+ unsigned long ret=0;
+ unsigned char md[16];
+
+ /* Make sure X509_NAME structure contains valid cached encoding */
+ i2d_X509_NAME(x,NULL);
+ EVP_MD_CTX_init(&md_ctx);
+ EVP_MD_CTX_set_flags(&md_ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
+ if (EVP_DigestInit_ex(&md_ctx, EVP_md5(), NULL)
+ && EVP_DigestUpdate(&md_ctx, x->bytes->data, x->bytes->length)
+ && EVP_DigestFinal_ex(&md_ctx,md,NULL))
+ ret=(((unsigned long)md[0] )|((unsigned long)md[1]<<8L)|
+ ((unsigned long)md[2]<<16L)|((unsigned long)md[3]<<24L)
+ )&0xffffffffL;
+ EVP_MD_CTX_cleanup(&md_ctx);
+
+ 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));
+ }
+
+ASN1_BIT_STRING *X509_get0_pubkey_bitstr(const X509 *x)
+ {
+ if(!x) return NULL;
+ return x->cert_info->key->public_key;
+ }
+
+int X509_check_private_key(X509 *x, EVP_PKEY *k)
+ {
+ EVP_PKEY *xk;
+ int ret;
+
+ xk=X509_get_pubkey(x);
+
+ if (xk)
+ ret = EVP_PKEY_cmp(xk, k);
+ else
+ ret = -2;
+
+ switch (ret)
+ {
+ case 1:
+ break;
+ case 0:
+ X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_VALUES_MISMATCH);
+ break;
+ case -1:
+ X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_TYPE_MISMATCH);
+ break;
+ case -2:
+ X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_UNKNOWN_KEY_TYPE);
+ }
+ if (xk)
+ EVP_PKEY_free(xk);
+ if (ret > 0)
+ return 1;
+ return 0;
+ }
projects / cassiopeia.git / blobdiff