1 files changed, 145 insertions, 0 deletions

diff --git a/src/lib/libcrypto/dsa/dsa_lib.c b/src/lib/libcrypto/dsa/dsa_lib.c
new file mode 100644
index 0000000000..b647257f9f
--- /dev/null
+++ b/src/lib/libcrypto/dsa/dsa_lib.c
@@ -0,0 +1,145 @@
+/* crypto/dsa/dsa_lib.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.]
+ */
+
+/* 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 0.9.0b 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);
+#ifdef REF_PRINT
+        REF_PRINT("DSA",r);
+#endif
+        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);
+        }
+