From: Stephan Mueller <smueller@chronox.de>
To: "Bhat, Jayalakshmi Manjunath" <jayalakshmi.bhat@hp.com>
Cc: Ard Biesheuvel <ardb@kernel.org>,
"linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>
Subject: Re: Monte Carlo Test (MCT) for AES
Date: Tue, 26 May 2020 07:23:11 +0200 [thread overview]
Message-ID: <5330121.xyrNXEdPSU@tauon.chronox.de> (raw)
In-Reply-To: <CS1PR8401MB0646A38BBFAD7FBABE50CBECF6B00@CS1PR8401MB0646.NAMPRD84.PROD.OUTLOOK.COM>
Am Dienstag, 26. Mai 2020, 05:07:15 CEST schrieb Bhat, Jayalakshmi Manjunath:
Hi Jayalakshmi,
> Hi Stephen,
>
> I to add the backend support using libkcapi APIs to exercise Kernel CAVP.
> Can you please confirm if my understanding is correct?
You would need to implement an equivalent to backend_openssl.c or
backend_nettle.c
>
> Regards,
> Jaya
>
> From: linux-crypto-owner@vger.kernel.org
> <linux-crypto-owner@vger.kernel.org> On Behalf Of Stephan Müller Sent:
> Sunday, May 24, 2020 12:14 AM
> To: Bhat, Jayalakshmi Manjunath <jayalakshmi.bhat@hp.com>; Ard Biesheuvel
> <ardb@kernel.org> Cc: linux-crypto@vger.kernel.org
> Subject: Re: Monte Carlo Test (MCT) for AES
>
> Am Samstag, 23. Mai 2020, 00:11:35 CEST schrieb Ard Biesheuvel:
>
> Hi Ard,
>
> > (+ Stephan)
> >
> > On Fri, 22 May 2020 at 05:20, Bhat, Jayalakshmi Manjunath
> >
> > <mailto:jayalakshmi.bhat@hp.com> wrote:
> > > Hi All,
> > >
> > > We are using libkcapi for CAVS vectors verification on our Linux kernel.
> > > Our Linux kernel version is 4.14. Monte Carlo Test (MCT) for SHA worked
> > > fine using libkcapi. We are trying to perform Monte Carlo Test (MCT) for
> > > AES using libkcapi. We not able to get the result successfully. Is it
> > > possible to use libkcapi to achieve AES MCT?
>
> Yes, it is possible. I have the ACVP testing implemented completely for AES
> (ECB, CBC, CFB8, CFB128, CTR, XTS, GCM internal and external IV generation,
> CCM), TDES (ECB, CTR, CBC), SHA, HMAC, CMAC (AES and TDES). I did not yet
> try TDES CFB8 and CFB64 through, but it should work out of the box.
>
> AES-KW is the only one that cannot be tested through libkcapi as AF_ALG has
> one shortcoming preventing this test.
>
> The testing is implemented with [1] but the libkcapi test backend is not
> public. The public code in [1] already implements the MCT. So, if you want
> to use [1], all you need to implement is a libkcapi backend that just
> invokes the ciphers as defined by the API in [1].
>
> [1] https://github.com/smuellerDD/acvpparser
>
> Ciao
> Stephan
Ciao
Stephan
next prev parent reply other threads:[~2020-05-26 5:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <TU4PR8401MB0544BD5EDA39A5E1E3388940F6B40@TU4PR8401MB0544.NAMPRD84.PROD.OUTLOOK.COM>
2020-05-22 3:20 ` Monte Carlo Test (MCT) for AES Bhat, Jayalakshmi Manjunath
2020-05-22 22:11 ` Ard Biesheuvel
2020-05-23 18:43 ` Stephan Müller
2020-05-26 3:07 ` Bhat, Jayalakshmi Manjunath
2020-05-26 5:23 ` Stephan Mueller [this message]
2020-05-26 6:30 ` Bhat, Jayalakshmi Manjunath
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