linux-kernel - Re: [PATCH v6] security/keys: rewrite all of big

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Message-ID: <CAHmME9pLF7cdm3RuOa-k8knsikNwU-5BVsnoHNEYw-xpuhW0tg@mail.gmail.com>
Date:   Wed, 20 Sep 2017 16:01:21 +0200
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     Stephan Mueller <smueller@...onox.de>
Cc:     linux-security-module@...r.kernel.org, keyrings@...r.kernel.org,
        kernel-hardening@...ts.openwall.com,
        LKML <linux-kernel@...r.kernel.org>,
        David Howells <dhowells@...hat.com>,
        Eric Biggers <ebiggers3@...il.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Kirill Marinushkin <k.marinushkin@...il.com>,
        security@...nel.org, stable@...r.kernel.org
Subject: Re: [PATCH v6] security/keys: rewrite all of big_key crypto

On Wed, Sep 20, 2017 at 3:45 PM, Stephan Mueller <smueller@...onox.de> wrote:
> http://csrc.nist.gov/groups/ST/toolkit/BCM/documents/Joux_comments.pdf

Section 3 shows an attack with repeated nonces, which we don't do here.

Section 4 shows an attack using a non-96-bit nonce, which we also don't do here.