netdev - Re: IPSec hmac(sha256) truncation bits length

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Date:	Wed, 4 Mar 2015 20:28:26 +0200
From:	Nicolae Rosia <nicolae.rosia@...il.com>
To:	"linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>
Cc:	Herbert Xu <herbert@...dor.apana.org.au>,
	James Morris <jmorris@...ercode.com.au>, netdev@...r.kernel.org
Subject: Re: IPSec hmac(sha256) truncation bits length

+ CC net, James Morris

On Wed, Mar 4, 2015 at 7:13 PM, Nicolae Rosia <nicolae.rosia@...il.com> wrote:
> Hello,
>
> 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.
> Am I looking in the wrong place?
>
> [1] https://tools.ietf.org/html/rfc4868#section-2.6
>
> Best regards,
> Nicolae Rosia
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