From: Bodo Möller <bodo@openssl.org>
Date: Tue, 13 Jun 2000 15:07:39 +0000 (+0000)
Subject: This probably fixes a BN_rshift bug.
X-Git-Tag: OpenSSL-engine-0_9_6-beta1~21^2~63
X-Git-Url: https://git.openssl.org/gitweb/?a=commitdiff_plain;ds=inline;h=24bec03beb1d97f7c7b3f0066f3a309800de435f;p=openssl.git

This probably fixes a BN_rshift bug.
---

diff --git a/crypto/bn/bn_shift.c b/crypto/bn/bn_shift.c
index 61aae65a6b..0883247384 100644
--- a/crypto/bn/bn_shift.c
+++ b/crypto/bn/bn_shift.c
@@ -162,7 +162,7 @@ int BN_rshift(BIGNUM *r, BIGNUM *a, int n)
 	nw=n/BN_BITS2;
 	rb=n%BN_BITS2;
 	lb=BN_BITS2-rb;
-	if (nw > a->top)
+	if (nw > a->top || a->top == 0)
 		{
 		BN_zero(r);
 		return(1);