linux-kernel - Re: [PATCH] crypto: don't raise alarm for no ctr(aes*) tests in fips mode

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Message-ID: <20090504111010.GA4991@gondor.apana.org.au>
Date:	Mon, 4 May 2009 19:10:10 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Jarod Wilson <jarod@...hat.com>
Cc:	linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
	Neil Horman <nhorman@...driver.com>
Subject: Re: [PATCH] crypto: don't raise alarm for no ctr(aes*) tests in
	fips mode

On Tue, Apr 28, 2009 at 09:18:22PM -0400, Jarod Wilson wrote:
> Per the NIST AESAVS document, Appendix A[1], it isn't possible to
> have automated self-tests for counter-mode AES, but people are
> misled to believe something is wrong by the message that says there
> is no test for ctr(aes). Simply suppress all 'no test for ctr(aes*'
> messages if fips_enabled is set to avoid confusion.

This is not true at all.  In our implementation the counter is
set through the IV so it definitely is possible to test counter
mode algorithms in Linux.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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