From: Ulf Möller <ulf@openssl.org>
Date: Wed, 9 Jun 1999 21:13:27 +0000 (+0000)
Subject: Circumvent bug in SC5 without patch #107357-01.
X-Git-Tag: OpenSSL_0_9_4~194
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=adc7fe123bffef5514dd0fe18e184623a589b3d3;p=oweals%2Fopenssl.git

Circumvent bug in SC5 without patch #107357-01.

Submitted by: Andy Polyakov <appro@fy.chalmers.se>
---

diff --git a/crypto/bn/bn_div.c b/crypto/bn/bn_div.c
index baff07040a..defcf90c82 100644
--- a/crypto/bn/bn_div.c
+++ b/crypto/bn/bn_div.c
@@ -216,10 +216,10 @@ int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
 		t1=((BN_ULLONG)n0<<BN_BITS2)|n1;
 		for (;;)
 			{
-			t2=(BN_ULLONG)d1*q;
 			rem=t1-(BN_ULLONG)q*d0;
-			if ((rem>>BN_BITS2) ||
-				(t2 <= ((BN_ULLONG)(rem<<BN_BITS2)+wnump[-2])))
+			t2=(BN_ULLONG)d1*q;
+                        if ((rem>>BN_BITS2) ||
+				(t2 <= ((rem<<BN_BITS2)|wnump[-2])))
 				break;
 			q--;
 			}