From 796d609550df3a33fc11468741c5d2f6d3df4c11 Mon Sep 17 00:00:00 2001
From: beck <>
Date: Sun, 19 Mar 2000 11:13:58 +0000
Subject: OpenSSL 0.9.5 merge

*warning* this bumps shared lib minors for libssl and libcrypto from 2.1 to 2.2
if you are using the ssl26 packages for ssh and other things to work you will
need to get new ones (see ~beck/libsslsnap/<arch>) on cvs or ~beck/src-patent.tar.gz on cvs
---
 src/lib/libcrypto/dsa/dsa_vrf.c | 68 +----------------------------------------
 1 file changed, 1 insertion(+), 67 deletions(-)

(limited to 'src/lib/libcrypto/dsa/dsa_vrf.c')

diff --git a/src/lib/libcrypto/dsa/dsa_vrf.c b/src/lib/libcrypto/dsa/dsa_vrf.c
index ff552208aa..03277f80fd 100644
--- a/src/lib/libcrypto/dsa/dsa_vrf.c
+++ b/src/lib/libcrypto/dsa/dsa_vrf.c
@@ -69,73 +69,7 @@
 int DSA_do_verify(const unsigned char *dgst, int dgst_len, DSA_SIG *sig,
 		  DSA *dsa)
 	{
-	BN_CTX *ctx;
-	BIGNUM u1,u2,t1;
-	BN_MONT_CTX *mont=NULL;
-	int ret = -1;
-
-	if ((ctx=BN_CTX_new()) == NULL) goto err;
-	BN_init(&u1);
-	BN_init(&u2);
-	BN_init(&t1);
-
-	/* Calculate W = inv(S) mod Q
-	 * save W in u2 */
-	if ((BN_mod_inverse(&u2,sig->s,dsa->q,ctx)) == NULL) goto err;
-
-	/* save M in u1 */
-	if (BN_bin2bn(dgst,dgst_len,&u1) == NULL) goto err;
-
-	/* u1 = M * w mod q */
-	if (!BN_mod_mul(&u1,&u1,&u2,dsa->q,ctx)) goto err;
-
-	/* u2 = r * w mod q */
-	if (!BN_mod_mul(&u2,sig->r,&u2,dsa->q,ctx)) goto err;
-
-	if ((dsa->method_mont_p == NULL) && (dsa->flags & DSA_FLAG_CACHE_MONT_P))
-		{
-		if ((dsa->method_mont_p=(char *)BN_MONT_CTX_new()) != NULL)
-			if (!BN_MONT_CTX_set((BN_MONT_CTX *)dsa->method_mont_p,
-				dsa->p,ctx)) goto err;
-		}
-	mont=(BN_MONT_CTX *)dsa->method_mont_p;
-
-#if 0
-	{
-	BIGNUM t2;
-
-	BN_init(&t2);
-	/* v = ( g^u1 * y^u2 mod p ) mod q */
-	/* let t1 = g ^ u1 mod p */
-	if (!BN_mod_exp_mont(&t1,dsa->g,&u1,dsa->p,ctx,mont)) goto err;
-	/* let t2 = y ^ u2 mod p */
-	if (!BN_mod_exp_mont(&t2,dsa->pub_key,&u2,dsa->p,ctx,mont)) goto err;
-	/* let u1 = t1 * t2 mod p */
-	if (!BN_mod_mul(&u1,&t1,&t2,dsa->p,ctx)) goto err_bn;
-	BN_free(&t2);
-	}
-	/* let u1 = u1 mod q */
-	if (!BN_mod(&u1,&u1,dsa->q,ctx)) goto err;
-#else
-	{
-	if (!BN_mod_exp2_mont(&t1,dsa->g,&u1,dsa->pub_key,&u2,dsa->p,ctx,mont))
-		goto err;
-	/* BN_copy(&u1,&t1); */
-	/* let u1 = u1 mod q */
-	if (!BN_mod(&u1,&t1,dsa->q,ctx)) goto err;
-	}
-#endif
-	/* V is now in u1.  If the signature is correct, it will be
-	 * equal to R. */
-	ret=(BN_ucmp(&u1, sig->r) == 0);
-
-	err:
-	if (ret != 1) DSAerr(DSA_F_DSA_DO_VERIFY,ERR_R_BN_LIB);
-	if (ctx != NULL) BN_CTX_free(ctx);
-	BN_free(&u1);
-	BN_free(&u2);
-	BN_free(&t1);
-	return(ret);
+	return dsa->meth->dsa_do_verify(dgst, dgst_len, sig, dsa);
 	}
 
 /* data has already been hashed (probably with SHA or SHA-1). */
-- 
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