Linux cryptographic layer development
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From: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: linux-crypto@vger.kernel.org,
	Sebastian Siewior <linux-crypto@ml.breakpoint.cc>
Subject: Re: IV copy strategy
Date: Fri, 16 Nov 2007 14:11:10 +0300	[thread overview]
Message-ID: <20071116111110.GB31765@2ka.mipt.ru> (raw)
In-Reply-To: <20071116020851.GC32509@gondor.apana.org.au>

On Fri, Nov 16, 2007 at 10:08:51AM +0800, Herbert Xu (herbert@gondor.apana.org.au) wrote:
> > So a general question: Is it a must (requirement by the crypto API) to
> > copy the IV back or not? I guess not if we move completely to async (one
> > day) :)
> 
> You must copy it back to allow chaining.  Even when we go async
> someone may wish to chain.  So in that sense you've just found a
> bug in the hifn driver :)

That's a question - should it copy IV back or not?
Currently it is not required by crypto users.

P.S. Sebastian, your mailer seems not to setup reply-to, since each time
I reply, your mail is copied to the header :)

-- 
	Evgeniy Polyakov

  parent reply	other threads:[~2007-11-16 11:12 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-13 23:11 IV copy strategy Sebastian Siewior
2007-11-14 14:22 ` Herbert Xu
2007-11-15 21:10   ` Sebastian Siewior
2007-11-16  2:08     ` Herbert Xu
2007-11-16  8:19       ` Sebastian Siewior
2007-11-16  9:30         ` Herbert Xu
2007-11-16 11:11       ` Evgeniy Polyakov [this message]
2007-11-16 11:25         ` Herbert Xu
2007-11-16 11:42           ` Evgeniy Polyakov
2007-11-16 13:47             ` Herbert Xu
2007-11-18  6:52         ` Herbert Xu
2007-11-18  6:53           ` Herbert Xu
2007-11-19 10:38           ` Evgeniy Polyakov
2007-11-19 11:56             ` Herbert Xu
2007-11-20 14:23               ` Evgeniy Polyakov
2007-11-26  9:10       ` Sebastian Siewior
2007-11-15 21:23   ` [PATCH] [crypto] geode: do not copy the IV too often Sebastian Siewior
2007-11-18 13:41     ` Herbert Xu
2007-11-26  9:25     ` Sebastian Siewior
2007-11-26  9:28       ` Herbert Xu
2007-11-26  9:42         ` Sebastian Siewior
2007-11-27 19:33           ` Sebastian Siewior
2007-11-30  5:37             ` Herbert Xu

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