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

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Message-ID: <557F8A19.2020302@intel.com>
Date:	Mon, 15 Jun 2015 19:29:45 -0700
From:	Tadeusz Struk <tadeusz.struk@...el.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
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 06/15/2015 05:05 PM, Herbert Xu wrote:
> Hmm, we could actually get rid of maxsize by just having each
> function check the dst_len and if it is insufficient write the
> required length in it and then return an error.

Actually I think it is useful. Without it the user will need to allocate
a buffer, and invoke an operation only to find out that the buffer need to be
bigger.
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