netdev - Re: esp4: Use high-order sequence number bits for IV generation

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Message-ID: <20150513101834.GA8928@secunet.com>
Date:	Wed, 13 May 2015 12:18:35 +0200
From:	Steffen Klassert <steffen.klassert@...unet.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
CC:	<netdev@...r.kernel.org>
Subject: Re: esp4: Use high-order sequence number bits for IV generation

On Wed, May 13, 2015 at 03:26:10PM +0800, Herbert Xu wrote:
> I noticed we were only using the low-order bits for IV generation
> when ESN is enabled.  This is very bad because it means that the
> IV can repeat.  We must use the full 64 bits.

Ugh. This is bad, indeed.

> 
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>

Patch applied to the ipsec tree, thanks!
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