Re: [lamps] WGLC comments draft-ietf-lamps-cms-shakes-01

Joan Daemen <jda@noekeon.org> Mon, 17 September 2018 12:45 UTC

Return-Path: <jda@noekeon.org>
X-Original-To: spasm@ietfa.amsl.com
Delivered-To: spasm@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AD72B130E66 for <spasm@ietfa.amsl.com>; Mon, 17 Sep 2018 05:45:11 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2
X-Spam-Level:
X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=noekeon.org
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id nT6vGrOHF6u0 for <spasm@ietfa.amsl.com>; Mon, 17 Sep 2018 05:45:09 -0700 (PDT)
Received: from ober.noekeon.org (ober.noekeon.org [91.134.133.203]) by ietfa.amsl.com (Postfix) with ESMTP id D9F7F130EA5 for <spasm@ietf.org>; Mon, 17 Sep 2018 05:45:06 -0700 (PDT)
Received: from Joans-MacBook-Pro.local (unknown [145.15.244.27]) by ober.noekeon.org (Postfix) with ESMTPSA id A1D7F22388 for <spasm@ietf.org>; Mon, 17 Sep 2018 14:45:05 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=noekeon.org; s=mail; t=1537188305; bh=MMl8n+ERtwMNfKjLAxqZ8fwkJ163hS1Ufk1uR3FRogY=; h=Subject:To:References:From:Date:In-Reply-To:From; b=H6Pesb8ErVPSpuDqhgKcqHp+jDbpTN4sJPYnJO9K1oEP/qqoRLbfqD5itMF/6j5pu eAbOQB8h1GRB+SneK3AtrIc73LOg6QSqIvo62Izv6a8v53E/zrafyFVlfHSCaaR3G1 MMnX9EtQ3eg8u54GnRzRLRs7RqIWB8XIvO74FNVo=
To: spasm@ietf.org
References: <00be01d42b65$b8452ee0$28cf8ca0$@augustcellars.com> <DM6PR09MB274668C47815881BE3159EB7F3020@DM6PR09MB2746.namprd09.prod.outlook.com> <086101d44538$2c0d47e0$8427d7a0$@augustcellars.com> <DM6PR09MB274676943D27C9D6CD80221AF3020@DM6PR09MB2746.namprd09.prod.outlook.com> <087301d44543$390807e0$ab1817a0$@augustcellars.com> <DM6PR09MB274607D636D86A71778431D7F3020@DM6PR09MB2746.namprd09.prod.outlook.com> <09C752C4-CF6C-4455-961F-6121D07B9F1A@vigilsec.com> <a94c01ac-d777-8a63-70d9-4fd36020256e@noekeon.org>
From: Joan Daemen <jda@noekeon.org>
Openpgp: preference=signencrypt
Autocrypt: addr=jda@noekeon.org; prefer-encrypt=mutual; keydata= xsFNBFpjJFgBEAC2FSj/4V5lLMCvc60Fyb3XUsOCPFdhNyBNh6KE8cfh3dzlS/Pzq0vcZlKc /+5n4x34Mp8JL+5muTSg7sRIGjm50FBUzZrSHPIvWlyCKyzt18y3dmfvQyuZMcboNA4tpWRy daOngLK28gUCvVf+A/t/KwKwDMM7OzSukl5bll2OOTxgApAzqS2Tx+HdExLILEqRHooT/Fqw EhXzZfOdGeKv5/YEBAnLfqD22lX7KXyWdai8iDxvSh6Cn01wRhLpIJ5hTY0j406s+EVedGVv a8zvWb+zzr0l52YuvKYBc3zlqMixcDnpJJDVpmDOFvTJPM721oTMRZ+neXhvPN44zgfo11fs ESo8pz3qSiiOJQT12rbHDQzwEWm9rZ3vOG7BvRjx2WmlwMlqytSmHkp5tJ0fDtw3ZqpARcEy PfwE+g1j3fpwOqRXRKjoc4pq6NMhX9+n6/ZfMYbo12epRdvZbF4oeQq7cz92b0tev4ai8qti myYIs47G7C7Ku7X/Bxcs3FiOX3bQ8xH03JUKYFYhI+9w93Trs2rmbgKarKl61R7YmgdQPYOi OprBEh3bH7a/Xz6jhpPcZ59kbO+J2Tr7c72vRNl+yGqvzOUfflISMI918ZeBusP6pVLh8X83 mz8YupHAz6QvQJi86M3NP0u6NSd3NsYtN5ai7+YAbCoIMdKh6wARAQABzR1Kb2FuIERhZW1l biA8amRhQG5vZWtlb24ub3JnPsLBlAQTAQgAPhYhBHaX/G8yAc2/EYS5X2B6rPjjt2wEBQJa YyRYAhsjBQkJZgGABQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEGB6rPjjt2wEVhsP/3qs 1+Qi6CXkcgXSTkCMtk9tkmx8Q8uDKelQY3T5QpaowIq+HjZDAYGu2I642T93RmKigHwnqRVk OWNFV8ZJTLyZtPo+oyMiB62CC33rvGhLNlUJ4zXE9XCX4q4+7U8D8eFuzrOOP6cX3AipN3p5 XE9WNfalhx/bSgNFSx99qHqF7voDhGDJvkFezME0GvGnHqQjmQh3GTtT1OlMq5swlCqBHhQD nn8yEYXFAjYYFMPOkrQ4MIodsjlw856KFxoaNqgHkaLCkz2McKqQMIYmdAYXu5qW8oPSMGP1 bcXRKWTpZ3oJbXLW7B4yx4BPA6wDp/JL30aKgVK+IzmU44OXW6cvkGw1wpBECnE5tPRk5wJ4 LYxLdUYk4VQcjkRTRwJ9kXjIcX+kPdNxxJOv0JhfpeQW3sEStMjqfZn6piFnyIFC3btnr/II QH1ISeTWvPSNgR6j4VXW5hb6pUkq9t6kgxQiSPhZsFOtvCPTDBTZKsYpJEIC6+ImmfxtIL9X KLFzbj3RF4MoyRwBVicvDPg48dj0HJ+iVH1i7XUZr1zEgMc/f3+nqGzpFenCuirajBM4zlTD x8Tjp1nPidEfND3LQQmDCqOtksuFUWGWLwds7Xuh2H6Vwp6YH/aAUgMs27GuuCfKKnAnJUQb do9pYfZCakTfb1/M7il+InWXA7eCddO5zsFNBFpjJFgBEACn+CAANregkunPhcYsXwuUZOqY AQKuiy9hAzP+SrNYXMEjVNwe5yCns/thBS525/h0Fr9VNWgaUVyfW5GV1j1vAi1EU26nEcTq YHqwgHLti2FZLTLJBjOWblAmATmaNXRjMDdY50LXmOyMlp+pC/7Xsj/OrHMsDhNM0mLSJdt5 C22VnAxUcurBeDTz6c7t2ps8UxUCQmTXapOJm2IXqxdTTM5v5ZX6/M7Q47KX6LWsA8ij3jmn fLFQfEoBL35rZmR1ZQ06UuXRB2KTM1FpJeYPXAjGmSXDlDyqhraNY6SrNMlmO9H52TYIOqVh INzkhjDGykEJE/mK8BnfWhXXfK2U1ieuMh+YtjpGiZQmuAnRM4koJdTYRGjj40joCzNv62xE 3scA4kEUvR5oyOcmnnsZspGM2RxEsi1Un9AwX//Q5y6azddRIf3y5N9yhiFM1dBXJR+iryl9 9BosnEzXTrfnfYNVzMiyQCEsHFR2/buMfQd+fW+L7+5r/sUPF/KM4SjvBP0sVD2e7pSHO8VB TfBZ9/K/c/qpeZ8ISwNx2H0+A6jdwXkModRC34+/cVLltqZGbnCBBJ2LHnLj1r+kTUW5n75d yLxtN9SzrsAukGDUcKkG1vUpPbVDUHFW2yMnHk6zKgTx+PThjobhIZvPKAJ0Zt5ReSATMqwD /6Lwqr+djwARAQABwsF8BBgBCAAmFiEEdpf8bzIBzb8RhLlfYHqs+OO3bAQFAlpjJFgCGwwF CQlmAYAACgkQYHqs+OO3bAS5rQ/+M7XX2d5Bv6gP+Cl9fhEdsugt6ZtkaWUF9IIFIiyGexdW KYnx+tLMkumo3Ifn9/bGV28bTpVRVSFSUSBwOM66R6XomuAPqlczNJgDUWJCC9FG0wUbr15v 6b7IXbrmu0RJk++V0kblJJLgNRRlydgpJwtPTertyPP1xRemyxCrSSdycr9+zFkHrJFtuPV1 WSy8A0+3FiV2YYhM7Hpch84XuML9F1dpRwPx8NNzfkXthG3ur7vl4gTK1qUuIdo8NZ6tr50X 23N19dYIXCD+HXFFMxhsdXquabwc/Dw0lnsV38XwktP+TVQo+w44WErOyGZbMGcUsmOwTY7Y dDLFBUgLF+R4VhlesOlhbrWsfxbqZCzSRqA8Ossd2s/KpWv9wP6SXzjRn7z2nBynXw0I8C6K N2ZS/SCh5x8zuH9OKpVSJOKkyrNLV1UR3IfK3Uhk49xo54FwozqerPmgjFIgNbGs+cbsvsos WcIGnK2SVrQiTeRwBuZVDqy1Xyv1LGiJkQLIqFyE4+EaSfreiXH2t/HNukj7NyHWaRr7Lyz+ 63vBwdWwDh8eUU5Inj0CzsZXLtlKj/XWdDv9MmZT4Wvidrtw9+jd4UfuSehq9VlKZwKWf5FZ T1OONAwowduh92P8TS/uhdcttAZLTKjYZp9Wu16+e7Zp7a9j0lKBDyq2zigCo3I=
Message-ID: <7e391712-ed70-4af9-a7de-58188cfe383c@noekeon.org>
Date: Mon, 17 Sep 2018 14:45:03 +0200
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.9.1
MIME-Version: 1.0
In-Reply-To: <a94c01ac-d777-8a63-70d9-4fd36020256e@noekeon.org>
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
Content-Language: en-US
Archived-At: <https://mailarchive.ietf.org/arch/msg/spasm/xLi3TW67wp8Nlar6ZuIFmn8MzSw>
Subject: Re: [lamps] WGLC comments draft-ietf-lamps-cms-shakes-01
X-BeenThere: spasm@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "This is a venue for discussion of doing Some Pkix And SMime \(spasm\) work." <spasm.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/spasm>, <mailto:spasm-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/spasm/>
List-Post: <mailto:spasm@ietf.org>
List-Help: <mailto:spasm-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/spasm>, <mailto:spasm-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 17 Sep 2018 12:45:17 -0000

Hi all,

sorry for spamming but I see now that my previous message can be
misinterpreted. What I mean is that one should replace (SHA1+MGF1) by
SHAKE and one should certainly not replace (SHA1+MGF1) by (SHAKE+MGF1).

Kind regards,

Joan Daemen


On 17/09/2018 14:40, Joan Daemen wrote:
> Hi all,
>
> On 17/09/2018 11:53, Russ Housley wrote:
>> Does anyone think that using SHAKE in the RSA-PSS mask generation
>> function is the wrong approach?
> On the contrary, using SHAKE (or cSHAKE if you wish) in the RSA-PSS mask
> generating function is THE sound approach.
>
> Kind regards,
>
> Joan Daemen
>
> _______________________________________________
> Spasm mailing list
> Spasm@ietf.org
> https://www.ietf.org/mailman/listinfo/spasm