Re: [PATCH v3 7/7] crypto: AF_ALG - add support for key_id

[David Woodhouse]

> Tadeusz Struk <tadeusz.struk@xxxxxxxxx> wrote:
>
>> +	keyring = request_key(&key_type_asymmetric, key_name, NULL);
>> +
>> +	err = -ENOKEY;
>> +	if (IS_ERR(keyring))
>> +		goto out;
>> +
>> +	pkey = keyring->payload.data[asym_crypto];
>
> NAK.  This is liable to crash in future.  You may not assume that you know
> what keyring->payload.data[asym_crypto] points to.
>
> You may not use struct public_key outside of crypto/asymmetric_key/.  It's
> the
> internal data of the software subtype.  I'll move it out of the global
> header
> to remove the temptation;-).
>
> You must use accessor functions such as verify_signature().  Feel free to
> add
> further accessor functions such as query_asym_capabilities(),
> create_signature(), encrypt_blob() and decrypt_blob() or something like
> that.

Grr. This is not the first time this has been pointed out. And it
shouldn't have *needed* to be pointed out in the first place.

Please do not ignore review feedback.

Or common sense.


-- 
dwmw2