summaryrefslogtreecommitdiff
path: root/Cryptlib/OpenSSL/crypto/bn/bn_gf2m.c
diff options
context:
space:
mode:
authorMatthew Garrett <mjg@redhat.com>2012-07-02 12:33:42 -0400
committerMatthew Garrett <mjg@redhat.com>2012-07-02 12:33:42 -0400
commitd259b1406044b430fe5786cd57e272bb9c57166d (patch)
tree308e31c8b7338e11843ac324ce20b89d765c3f45 /Cryptlib/OpenSSL/crypto/bn/bn_gf2m.c
parent20094cb55d476c5d053cc73cec6e0d3f2a1c8d9a (diff)
downloadefi-boot-shim-d259b1406044b430fe5786cd57e272bb9c57166d.tar.gz
efi-boot-shim-d259b1406044b430fe5786cd57e272bb9c57166d.zip
Update OpenSSL
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/bn/bn_gf2m.c')
-rwxr-xr-xCryptlib/OpenSSL/crypto/bn/bn_gf2m.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/Cryptlib/OpenSSL/crypto/bn/bn_gf2m.c b/Cryptlib/OpenSSL/crypto/bn/bn_gf2m.c
index 306f029f..5d90f1e8 100755
--- a/Cryptlib/OpenSSL/crypto/bn/bn_gf2m.c
+++ b/Cryptlib/OpenSSL/crypto/bn/bn_gf2m.c
@@ -294,7 +294,8 @@ int BN_GF2m_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)
if (a->top < b->top) { at = b; bt = a; }
else { at = a; bt = b; }
- bn_wexpand(r, at->top);
+ if(bn_wexpand(r, at->top) == NULL)
+ return 0;
for (i = 0; i < bt->top; i++)
{
@@ -606,6 +607,7 @@ int BN_GF2m_mod_inv(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)
{
while (!BN_is_odd(u))
{
+ if (BN_is_zero(u)) goto err;
if (!BN_rshift1(u, u)) goto err;
if (BN_is_odd(b))
{