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diff --git a/src/lib/libcrypto/x509/x509_cmp.c b/src/lib/libcrypto/x509/x509_cmp.c
new file mode 100644
index 0000000000..f9d9510ac5
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+++ b/src/lib/libcrypto/x509/x509_cmp.c
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+/* 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 <sys/types.h>
+#include <sys/stat.h>
+#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<sk_num(sk); i++)
+                {
+                x509=(X509 *)sk_value(sk,i);
+                if (X509_issuer_and_serial_cmp(x509,&x) == 0)
+                        return(x509);
+                }
+        return(NULL);
+        }
+
+X509 *X509_find_by_subject(sk,name)
+STACK *sk;
+X509_NAME *name;
+        {
+        X509 *x509;
+        int i;
+
+        for (i=0; i<sk_num(sk); i++)
+                {
+                x509=(X509 *)sk_value(sk,i);
+                if (X509_NAME_cmp(X509_get_subject_name(x509),name) == 0)
+                        return(x509);
+                }
+        return(NULL);
+        }
+