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Bluetooth: selftest - check for errors when computing ZZ

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Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Tudor Ambarus 2017-09-28 17:14:53 +03:00 committed by Marcel Holtmann
parent a297641610
commit 3814baf3f2
1 changed files with 8 additions and 3 deletions
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11
net/bluetooth/selftest.c
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@ -143,7 +143,7 @@ static int __init test_ecdh_sample(struct crypto_kpp *tfm, const u8 priv_a[32],
const u8 pub_b[64], const u8 dhkey[32])
{
u8 *tmp, *dhkey_a, *dhkey_b;
int ret = 0;
int ret;
tmp = kmalloc(64, GFP_KERNEL);
if (!tmp)
@ -152,8 +152,13 @@ static int __init test_ecdh_sample(struct crypto_kpp *tfm, const u8 priv_a[32],
dhkey_a = &tmp[0];
dhkey_b = &tmp[32];
compute_ecdh_secret(tfm, pub_b, priv_a, dhkey_a);
compute_ecdh_secret(tfm, pub_a, priv_b, dhkey_b);
ret = compute_ecdh_secret(tfm, pub_b, priv_a, dhkey_a);
if (ret)
goto out;
ret = compute_ecdh_secret(tfm, pub_a, priv_b, dhkey_b);
if (ret)
goto out;
if (memcmp(dhkey_a, dhkey, 32)) {
ret = -EINVAL;