From: Alan Hryngle <alan.hryngle@yahoo.com>
Date: Sat, 5 Jul 2014 21:24:03 +0000 (+0100)
Subject: Check return smaller of ret and f.
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=114216bca07d6bc03530a8352993ae3f0f1e9b06;p=oweals%2Fopenssl.git

Check return smaller of ret and f.

PR#3418.
(cherry picked from commit d4909f9a8dbbda9c5d140476b34a8f80b02b51f3)
---

diff --git a/crypto/rsa/rsa_eay.c b/crypto/rsa/rsa_eay.c
index 16f000ff48..64c23f7cdb 100644
--- a/crypto/rsa/rsa_eay.c
+++ b/crypto/rsa/rsa_eay.c
@@ -494,7 +494,7 @@ static int RSA_eay_private_encrypt(int flen, const unsigned char *from,
 	if (padding == RSA_X931_PADDING)
 		{
 		BN_sub(f, rsa->n, ret);
-		if (BN_cmp(ret, f))
+		if (BN_cmp(ret, f) > 0)
 			res = f;
 		else
 			res = ret;