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Commit 3814baf3 authored by Tudor Ambarus's avatar Tudor Ambarus Committed by Marcel Holtmann
Browse files

Bluetooth: selftest - check for errors when computing ZZ 



Signed-off-by: default avatarTudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent a2976416

net/bluetooth/selftest.c

+8 −3
Original line number Diff line number Diff line
@@ -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;