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Date: Wed, 20 Sep 2017 16:09:46 +0200
From: "Jason A. Donenfeld" <>
To: Stephan Mueller <>
Cc:,,, LKML <>, 
	David Howells <>, Eric Biggers <>, 
	Herbert Xu <>, Kirill Marinushkin <>,,
Subject: Re: [PATCH v6] security/keys: rewrite all of big_key crypto

On Wed, Sep 20, 2017 at 4:06 PM, Stephan Mueller <> wrote:
>> Section 3 shows an attack with repeated nonces, which we don't do here.
> Maybe I miss a point here, but zero IVs is no repetition of nonces?

If there's a fresh key each time, then no, it's not a repetition.

This patch uses a fresh random key for every encryption.

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