Re: [RFC PATCH v2] crypto: Add IV generation algorithms

From: Binoy Jayan
Date: Mon Jan 02 2017 - 02:05:10 EST


On 2 January 2017 at 12:23, Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote:
> On Mon, Jan 02, 2017 at 12:16:45PM +0530, Binoy Jayan wrote:
>>
>> Even if ciphers are allocated this way, all the encryption requests
>> for cbc should still go through IV generators? So that should mean,
>> create one instance of IV generator using 'crypto_alloc_skcipher'
>> and create tfms_count instances of the generator depending on the
>> number of keys.
>
> Right. The actual number of underlying tfms that do the work
> won't change compared to the status quo. We're just structuring
> it such that if the overall scheme is supported by the hardware
> then we can feed more than one sector at a time to it.

Thank you Herbert.