Bluetooth: selftest - check for errors when computing ZZ
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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@ -143,7 +143,7 @@ static int __init test_ecdh_sample(struct crypto_kpp *tfm, const u8 priv_a[32],
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const u8 pub_b[64], const u8 dhkey[32])
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{
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u8 *tmp, *dhkey_a, *dhkey_b;
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int ret = 0;
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int ret;
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tmp = kmalloc(64, GFP_KERNEL);
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if (!tmp)
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@ -152,8 +152,13 @@ static int __init test_ecdh_sample(struct crypto_kpp *tfm, const u8 priv_a[32],
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dhkey_a = &tmp[0];
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dhkey_b = &tmp[32];
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compute_ecdh_secret(tfm, pub_b, priv_a, dhkey_a);
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compute_ecdh_secret(tfm, pub_a, priv_b, dhkey_b);
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ret = compute_ecdh_secret(tfm, pub_b, priv_a, dhkey_a);
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if (ret)
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goto out;
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ret = compute_ecdh_secret(tfm, pub_a, priv_b, dhkey_b);
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if (ret)
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goto out;
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if (memcmp(dhkey_a, dhkey, 32)) {
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ret = -EINVAL;
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