diff --git a/crypto/dsa/dsa_lib.c b/crypto/dsa/dsa_lib.c
new file mode 100644
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--- /dev/null
+++ b/crypto/dsa/dsa_lib.c
@@ -0,0 +1,142 @@
+/* crypto/dsa/dsa_lib.c */
+/* Copyright (C) 1995-1997 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.]
+ */
+
+/* Origional version from Steven Schoch <schoch@sheba.arc.nasa.gov> */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include "bn.h"
+#include "dsa.h"
+#include "asn1.h"
+
+char *DSA_version="\0DSA part of SSLeay 0.8.1b 29-Jun-1998";
+
+DSA *DSA_new()
+	{
+	DSA *ret;
+
+	ret=(DSA *)Malloc(sizeof(DSA));
+	if (ret == NULL)
+		{
+		DSAerr(DSA_F_DSA_NEW,ERR_R_MALLOC_FAILURE);
+		return(NULL);
+		}
+	ret->pad=0;
+	ret->version=0;
+	ret->write_params=1;
+	ret->p=NULL;
+	ret->q=NULL;
+	ret->g=NULL;
+
+	ret->pub_key=NULL;
+	ret->priv_key=NULL;
+
+	ret->kinv=NULL;
+	ret->r=NULL;
+
+	ret->references=1;
+	return(ret);
+	}
+
+void DSA_free(r)
+DSA *r;
+	{
+	int i;
+
+	if (r == NULL) return;
+
+	i=CRYPTO_add(&r->references,-1,CRYPTO_LOCK_DSA);
+	if (i > 0) return;
+#ifdef REF_CHECK
+	if (i < 0)
+		{
+		fprintf(stderr,"DSA_free, bad reference count\n");
+		abort();
+		}
+#endif
+
+	if (r->p != NULL) BN_clear_free(r->p);
+	if (r->q != NULL) BN_clear_free(r->q);
+	if (r->g != NULL) BN_clear_free(r->g);
+	if (r->pub_key != NULL) BN_clear_free(r->pub_key);
+	if (r->priv_key != NULL) BN_clear_free(r->priv_key);
+	if (r->kinv != NULL) BN_clear_free(r->kinv);
+	if (r->r != NULL) BN_clear_free(r->r);
+	Free(r);
+	}
+
+int DSA_size(r)
+DSA *r;
+	{
+	int ret,i;
+	ASN1_INTEGER bs;
+	unsigned char buf[4];
+
+	i=BN_num_bits(r->q);
+	bs.length=(i+7)/8;
+	bs.data=buf;
+	bs.type=V_ASN1_INTEGER;
+	/* If the top bit is set the asn1 encoding is 1 larger. */
+	buf[0]=0xff;	
+
+	i=i2d_ASN1_INTEGER(&bs,NULL);
+	i+=i; /* r and s */
+	ret=ASN1_object_size(1,i,V_ASN1_SEQUENCE);
+	return(ret);
+	}
+