linux-kernel - Re: [PATCH RFC v2 1/2] crypto: add PKE API

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Message-ID: <20150511062421.GA2266@gondor.apana.org.au>
Date:	Mon, 11 May 2015 14:24:21 +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, 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 v2 1/2] crypto: add PKE API

On Wed, May 06, 2015 at 12:36:48PM -0700, Tadeusz Struk wrote:
> + * @capabilities:
> + *		Specifies what operations are provided by the algorithm
> + *		implementation.

Don't do this.  It's a nightmare for the user to have to deal with
multiple implementations with differing capabilities.

Make the implementor provide backups/fallbacks.

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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