From e21cbf4d9bafebb2560d1acac1e47e879c7f7493 Mon Sep 17 00:00:00 2001 From: Matthew Garrett Date: Mon, 2 Jul 2012 12:33:42 -0400 Subject: Update OpenSSL --- Cryptlib/OpenSSL/crypto/dsa/dsa_ossl.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'Cryptlib/OpenSSL/crypto/dsa/dsa_ossl.c') diff --git a/Cryptlib/OpenSSL/crypto/dsa/dsa_ossl.c b/Cryptlib/OpenSSL/crypto/dsa/dsa_ossl.c index 412cf1d8..17277608 100755 --- a/Cryptlib/OpenSSL/crypto/dsa/dsa_ossl.c +++ b/Cryptlib/OpenSSL/crypto/dsa/dsa_ossl.c @@ -178,7 +178,8 @@ static DSA_SIG *dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa) if (!BN_mod_mul(&xr,dsa->priv_key,r,dsa->q,ctx)) goto err;/* s = xr */ if (!BN_add(s, &xr, &m)) goto err; /* s = m + xr */ if (BN_cmp(s,dsa->q) > 0) - BN_sub(s,s,dsa->q); + if (!BN_sub(s,s,dsa->q)) + goto err; if (!BN_mod_mul(s,s,kinv,dsa->q,ctx)) goto err; ret=DSA_SIG_new(); -- cgit v1.2.3