From: Nicolae Rosia <nicolae.rosia@gmail.com>
Subject: Re: IPSec hmac(sha256) truncation bits length
Date: Wed, 4 Mar 2015 20:56:58 +0200
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Cc: "linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>,
	Herbert Xu <herbert@gondor.apana.org.au>,
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To: Kim Phillips <kim.phillips@freescale.com>,
	Andreas Steffen <andreas.steffen@strongswan.org>
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Thank you, Andreas and Kim.

Best regards,
Nicolae Rosia

On Wed, Mar 4, 2015 at 8:38 PM, Kim Phillips <kim.phillips@freescale.com> wrote:
> On Wed, 4 Mar 2015 20:28:26 +0200
> Nicolae Rosia <nicolae.rosia@gmail.com> wrote:
>
>> On Wed, Mar 4, 2015 at 7:13 PM, Nicolae Rosia <nicolae.rosia@gmail.com> wrote:
>> > I'm trying to understand why icv_truncbits is set to 96 for
>> > hmac(sha256) in xfrm_algo.c because
>> > RFC4868 [1] says that the truncation length for HMAC-SHA256 should be 128.
>
> See http://comments.gmane.org/gmane.linux.kernel.cryptoapi/6767
>
> Kim