From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephan Mueller Date: Wed, 20 Sep 2017 14:06:48 +0000 Subject: Re: [PATCH v6] security/keys: rewrite all of big_key crypto Message-Id: <1882458.VgLOd8kIdz@tauon.chronox.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit List-Id: References: <2545404.XUVGGHhd0i@tauon.chronox.de> In-Reply-To: To: "Jason A. Donenfeld" Cc: linux-security-module@vger.kernel.org, keyrings@vger.kernel.org, kernel-hardening@lists.openwall.com, LKML , David Howells , Eric Biggers , Herbert Xu , Kirill Marinushkin , security@kernel.org, stable@vger.kernel.org Am Mittwoch, 20. September 2017, 16:01:21 CEST schrieb Jason A. Donenfeld: Hi Jason, > > 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? Ciao Stephan From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751675AbdITOHA (ORCPT ); Wed, 20 Sep 2017 10:07:00 -0400 Received: from mail.eperm.de ([89.247.134.16]:34860 "EHLO mail.eperm.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751378AbdITOG7 (ORCPT ); Wed, 20 Sep 2017 10:06:59 -0400 From: Stephan Mueller To: "Jason A. Donenfeld" Cc: linux-security-module@vger.kernel.org, keyrings@vger.kernel.org, kernel-hardening@lists.openwall.com, LKML , David Howells , Eric Biggers , Herbert Xu , Kirill Marinushkin , security@kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v6] security/keys: rewrite all of big_key crypto Date: Wed, 20 Sep 2017 16:06:48 +0200 Message-ID: <1882458.VgLOd8kIdz@tauon.chronox.de> In-Reply-To: References: <2545404.XUVGGHhd0i@tauon.chronox.de> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Mittwoch, 20. September 2017, 16:01:21 CEST schrieb Jason A. Donenfeld: Hi Jason, > > 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? Ciao Stephan From mboxrd@z Thu Jan 1 00:00:00 1970 From: smueller@chronox.de (Stephan Mueller) Date: Wed, 20 Sep 2017 16:06:48 +0200 Subject: [PATCH v6] security/keys: rewrite all of big_key crypto In-Reply-To: References: <2545404.XUVGGHhd0i@tauon.chronox.de> Message-ID: <1882458.VgLOd8kIdz@tauon.chronox.de> To: linux-security-module@vger.kernel.org List-Id: linux-security-module.vger.kernel.org Am Mittwoch, 20. September 2017, 16:01:21 CEST schrieb Jason A. Donenfeld: Hi Jason, > > 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? Ciao Stephan -- To unsubscribe from this list: send the line "unsubscribe linux-security-module" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephan Mueller Date: Wed, 20 Sep 2017 16:06:48 +0200 Message-ID: <1882458.VgLOd8kIdz@tauon.chronox.de> In-Reply-To: References: <2545404.XUVGGHhd0i@tauon.chronox.de> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: [kernel-hardening] Re: [PATCH v6] security/keys: rewrite all of big_key crypto To: "Jason A. Donenfeld" Cc: linux-security-module@vger.kernel.org, keyrings@vger.kernel.org, kernel-hardening@lists.openwall.com, LKML , David Howells , Eric Biggers , Herbert Xu , Kirill Marinushkin , security@kernel.org, stable@vger.kernel.org List-ID: Am Mittwoch, 20. September 2017, 16:01:21 CEST schrieb Jason A. Donenfeld: Hi Jason, > > 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? Ciao Stephan