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From: Herbert Xu <herbert@gondor.apana.org.au>
To: Harald Freudenberger <freude@linux.ibm.com>
Cc: linux-crypto@vger.kernel.org, ebiggers@kernel.org,
	heiko.carstens@de.ibm.com, gor@linux.ibm.com
Subject: Re: [PATCH 3/3] crypto/testmgr: add selftests for paes-s390
Date: Fri, 22 Nov 2019 16:16:11 +0800	[thread overview]
Message-ID: <20191122081611.vznhvhouim6hnehc@gondor.apana.org.au> (raw)
In-Reply-To: <20191113105523.8007-4-freude@linux.ibm.com>

On Wed, Nov 13, 2019 at 11:55:23AM +0100, Harald Freudenberger wrote:
> This patch adds selftests for the s390 specific protected key
> AES (PAES) cipher implementations:
>   * cbc-paes-s390
>   * ctr-paes-s390
>   * ecb-paes-s390
>   * xts-paes-s390
> PAES is an AES cipher but with encrypted ('protected') key
> material. So here come ordinary AES enciphered data values
> but with a special key format understood by the PAES
> implementation.
> 
> The testdata definitons and testlist entries are surrounded
> by #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390) because they don't
> make any sense on non s390 platforms or without the PAES
> cipher implementation.
> 
> Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
> ---
>  crypto/testmgr.c |  36 +++++
>  crypto/testmgr.h | 334 +++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 370 insertions(+)

So with your cleartext work, I gather that you can now supply
arbitrary keys to paes? If so my preferred method of testing it
would be to add a paes-specific tester function that massaged the
existing aes vectors into the format required by paes so you
get exactly the same testing coverage as plain aes.

Is this possible?

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

  reply	other threads:[~2019-11-22  8:16 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-13 10:55 [PATCH 0/3] provide paes selftests Harald Freudenberger
2019-11-13 10:55 ` [PATCH 1/3] s390/pkey: Add support for key blob with clear key value Harald Freudenberger
2019-11-13 10:55 ` [PATCH 2/3] s390/crypto: Rework on paes implementation Harald Freudenberger
2019-11-22  8:13   ` Herbert Xu
2019-11-22  9:54     ` Harald Freudenberger
2019-11-22 10:42       ` Herbert Xu
2019-11-22 13:38         ` Harald Freudenberger
2019-11-22 14:07           ` Herbert Xu
2019-11-22 14:45             ` Harald Freudenberger
2019-11-13 10:55 ` [PATCH 3/3] crypto/testmgr: add selftests for paes-s390 Harald Freudenberger
2019-11-22  8:16   ` Herbert Xu [this message]
2019-11-22  9:11     ` Harald Freudenberger
2019-11-26  8:59       ` Herbert Xu
2020-01-31 11:06     ` Harald Freudenberger
2020-02-10  7:19       ` Harald Freudenberger
2020-02-11  2:38         ` Herbert Xu
2020-02-13  7:40   ` [PATCH] " Harald Freudenberger
2020-02-13  8:39     ` Herbert Xu

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