From 499e167fda19e01d384fb093f18447b5051d5da9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bodo=20M=C3=B6ller?= <bodo@openssl.org>
Date: Wed, 29 Nov 2000 09:41:19 +0000
Subject: Improve BN_mod_inverse performance.

Get the BN_mod_exp_mont bugfix (for handling negative inputs) correct
this time.
---
 crypto/bn/bn_exp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'crypto/bn/bn_exp.c')

diff --git a/crypto/bn/bn_exp.c b/crypto/bn/bn_exp.c
index eab394b962..35ab56efc0 100644
--- a/crypto/bn/bn_exp.c
+++ b/crypto/bn/bn_exp.c
@@ -376,7 +376,7 @@ int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
 
 	BN_init(&val[0]);
 	ts=1;
-	if (!a->neg && BN_ucmp(a,m) >= 0)
+	if (a->neg || BN_ucmp(a,m) >= 0)
 		{
 		if (!BN_nnmod(&(val[0]),a,m,ctx))
 			goto err;
-- 
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