Check return smaller of ret and f.

PR#3418.
(cherry picked from commit d4909f9a8dbbda9c5d140476b34a8f80b02b51f3)
This commit is contained in:
Alan Hryngle 2014-07-05 22:24:03 +01:00 committed by Dr. Stephen Henson
parent 493119b1a8
commit 114216bca0

View file

@ -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;