/* 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 #include #include #include "cryptlib.h" #include "asn1.h" #include "objects.h" #include "x509.h" int X509_issuer_and_serial_cmp(a,b) X509 *a; X509 *b; { int i; X509_CINF *ai,*bi; ai=a->cert_info; bi=b->cert_info; i=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(a) 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(a, b) X509 *a; X509 *b; { return(X509_NAME_cmp(a->cert_info->issuer,b->cert_info->issuer)); } int X509_subject_name_cmp(a, b) X509 *a; X509 *b; { return(X509_NAME_cmp(a->cert_info->subject,b->cert_info->subject)); } int X509_CRL_cmp(a, b) X509_CRL *a; X509_CRL *b; { return(X509_NAME_cmp(a->crl->issuer,b->crl->issuer)); } X509_NAME *X509_get_issuer_name(a) X509 *a; { return(a->cert_info->issuer); } unsigned long X509_issuer_name_hash(x) X509 *x; { return(X509_NAME_hash(x->cert_info->issuer)); } X509_NAME *X509_get_subject_name(a) X509 *a; { return(a->cert_info->subject); } ASN1_INTEGER *X509_get_serialNumber(a) X509 *a; { return(a->cert_info->serialNumber); } unsigned long X509_subject_name_hash(x) X509 *x; { return(X509_NAME_hash(x->cert_info->subject)); } int X509_NAME_cmp(a, b) X509_NAME *a; X509_NAME *b; { int i,j; X509_NAME_ENTRY *na,*nb; if (sk_num(a->entries) != sk_num(b->entries)) return(sk_num(a->entries)-sk_num(b->entries)); for (i=sk_num(a->entries)-1; i>=0; i--) { na=(X509_NAME_ENTRY *)sk_value(a->entries,i); nb=(X509_NAME_ENTRY *)sk_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_num(a->entries)-1; i>=0; i--) { na=(X509_NAME_ENTRY *)sk_value(a->entries,i); nb=(X509_NAME_ENTRY *)sk_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 effiecent. */ unsigned long X509_NAME_hash(x) 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=Malloc(i); else p=str; pp=p; i2d_X509_NAME(x,&pp); MD5((unsigned char *)p,i,&(md[0])); if (p != str) 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(sk,name,serial) STACK *sk; X509_NAME *name; ASN1_INTEGER *serial; { int i; X509_CINF cinf; X509 x,*x509=NULL; x.cert_info= &cinf; cinf.serialNumber=serial; cinf.issuer=name; for (i=0; i