linux-kernel - Re: [PATCH RFC v5 2/4] crypto: add PKE API

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Message-ID: <20150616025028.GA19474@gondor.apana.org.au>
Date:	Tue, 16 Jun 2015 10:50:28 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Tadeusz Struk <tadeusz.struk@...el.com>
Cc:	linux-kernel@...r.kernel.org, keescook@...omium.org,
	jwboyer@...hat.com, smueller@...onox.de, richard@....at,
	steved@...hat.com, qat-linux@...el.com, dhowells@...hat.com,
	linux-crypto@...r.kernel.org, james.l.morris@...cle.com,
	jkosina@...e.cz, zohar@...ux.vnet.ibm.com, davem@...emloft.net,
	vgoyal@...hat.com
Subject: Re: [PATCH RFC v5 2/4] crypto: add PKE API

On Mon, Jun 15, 2015 at 07:46:28PM -0700, Tadeusz Struk wrote:
>
> Ok I wanted to handle everything in the parse_key helper without any help from the implementation.
> I can change the helper to return the key and implementation will store it in the ctx. Is this
> what you are suggesting?

If you want to keep the helper generic what you can do is have
it take struct rsa_key instead of struct crypto_ablkcipher.

It definitely should just be an optional helper as opposed to
a required part of crypto_akcipher since you could have a piece
of hardware that takes the encoded key directly in which case
you wouldn't need the helper at all.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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