netdev - Re: CCM/GCM implementation defect

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Message-ID: <5538B56A.7060707@freescale.com>
Date:	Thu, 23 Apr 2015 12:03:38 +0300
From:	Horia Geantă <horia.geanta@...escale.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>,
	Steffen Klassert <steffen.klassert@...unet.com>,
	<netdev@...r.kernel.org>, "David S. Miller" <davem@...emloft.net>,
	Paul Wouters <pwouters@...hat.com>,
	"Linux Crypto Mailing List" <linux-crypto@...r.kernel.org>
Subject: Re: CCM/GCM implementation defect

On 4/23/2015 6:26 AM, Herbert Xu wrote:
> Hi:
>
> It looks like our IPsec implementations of CCM and GCM are buggy
This applies also to GMAC (rfc4543), right?

> in that they don't include the IV in the authentication calculation.
>
> This definitely breaks interoperability with anyone who implements
> them correctly.  The fact that there have been no reports on this
> probably means that nobody has run into this in the field yet.
Does this mean that even the test vectors (crypto/testmgr.h) are broken?

Thanks,
Horia


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