From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>
Subject: Re: [PATCH -stable] crypto: ccm - deal with CTR ciphers that honour iv_out
Date: Thu, 2 Feb 2017 11:39:27 +0000 [thread overview]
Message-ID: <CAKv+Gu-SF1c0GZv08EG2B2vT6xcGOV7sK-NAruO6WF=BD8494w@mail.gmail.com> (raw)
In-Reply-To: <20170202095352.GA4818@gondor.apana.org.au>
On 2 February 2017 at 09:53, Herbert Xu <herbert@gondor.apana.org.au> wrote:
> On Thu, Feb 02, 2017 at 08:01:47AM +0000, Ard Biesheuvel wrote:
>>
>> You are right: due to its construction, the CCM mode does not care
>> about the incremented counter because it clears the counter part of
>> the IV before encrypting the MAC. So this is caused by an optimization
>> in my code rather than the CCM code being incorrect.
>
> OK so you will send me an update for the ARM64 code, right?
>
Yes, on their way
Thanks,
Ard.
prev parent reply other threads:[~2017-02-02 11:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-28 20:40 [PATCH -stable] crypto: ccm - deal with CTR ciphers that honour iv_out Ard Biesheuvel
2017-02-01 20:08 ` Ard Biesheuvel
2017-02-02 5:13 ` Herbert Xu
2017-02-02 8:01 ` Ard Biesheuvel
2017-02-02 9:53 ` Herbert Xu
2017-02-02 11:39 ` Ard Biesheuvel [this message]
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