Re: [PATCH v1 08/15] crypto: talitos - Do not modify req->cryptlen on decryption.

From: Horia Geanta
Date: Tue May 28 2019 - 04:23:53 EST


On 5/21/2019 4:34 PM, Christophe Leroy wrote:
> For decrypt, req->cryptlen includes the size of the authentication
> part while all functions of the driver expect cryptlen to be
> the size of the encrypted data.
>
> As it is not expected to change req->cryptlen, this patch
> implements local calculation of cryptlen.
>
An alternative would be to restore req->cryptlen in the *_done() callback.
It would be easier to implement, though probably less intuitive.

Horia