From 15272ab4ed1e6250412fccd48200ed9eae59608f Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Mon, 29 Mar 2010 17:08:02 +0000
Subject: Updated to openssl 1.0.0

---
 openssl/crypto/dsa/dsa_vrf.c | 37 +++++++++++++++++++++----------------
 1 file changed, 21 insertions(+), 16 deletions(-)

(limited to 'openssl/crypto/dsa/dsa_vrf.c')

diff --git a/openssl/crypto/dsa/dsa_vrf.c b/openssl/crypto/dsa/dsa_vrf.c
index c75e42304..226a75ff3 100644
--- a/openssl/crypto/dsa/dsa_vrf.c
+++ b/openssl/crypto/dsa/dsa_vrf.c
@@ -58,27 +58,32 @@
 
 /* Original version from Steven Schoch <schoch@sheba.arc.nasa.gov> */
 
-#include <stdio.h>
 #include "cryptlib.h"
-#include <openssl/bn.h>
 #include <openssl/dsa.h>
-#include <openssl/rand.h>
-#include <openssl/asn1.h>
-#ifdef OPENSSL_FIPS
-#include <openssl/fips.h>
-#endif
-
-#include <openssl/asn1_mac.h>
 
 int DSA_do_verify(const unsigned char *dgst, int dgst_len, DSA_SIG *sig,
 		  DSA *dsa)
 	{
-#ifdef OPENSSL_FIPS
-	if(FIPS_mode() && !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW))
-		{
-		DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE);
-		return 0;
-		}
-#endif
 	return dsa->meth->dsa_do_verify(dgst, dgst_len, sig, dsa);
 	}
+
+/* data has already been hashed (probably with SHA or SHA-1). */
+/* returns
+ *      1: correct signature
+ *      0: incorrect signature
+ *     -1: error
+ */
+int DSA_verify(int type, const unsigned char *dgst, int dgst_len,
+	     const unsigned char *sigbuf, int siglen, DSA *dsa)
+	{
+	DSA_SIG *s;
+	int ret=-1;
+
+	s = DSA_SIG_new();
+	if (s == NULL) return(ret);
+	if (d2i_DSA_SIG(&s,&sigbuf,siglen) == NULL) goto err;
+	ret=DSA_do_verify(dgst,dgst_len,s,dsa);
+err:
+	DSA_SIG_free(s);
+	return(ret);
+	}
-- 
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