From nobody Sat Dec 5 10:59:24 2020 Return-Path: X-Original-To: secdir@ietfa.amsl.com Delivered-To: secdir@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AA4BC3A0762 for ; Sat, 5 Dec 2020 10:59:19 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.896 X-Spam-Level: X-Spam-Status: No, score=-1.896 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=rtfm-com.20150623.gappssmtp.com 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 0FjrMhoy1zRl for ; Sat, 5 Dec 2020 10:59:17 -0800 (PST) Received: from mail-lf1-x130.google.com (mail-lf1-x130.google.com [IPv6:2a00:1450:4864:20::130]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id CF5663A074B for ; Sat, 5 Dec 2020 10:59:16 -0800 (PST) Received: by mail-lf1-x130.google.com with SMTP id v14so12336342lfo.3 for ; Sat, 05 Dec 2020 10:59:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rtfm-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=+Y/NZITf/yqVml9sTuFJ9ZdqXkbpFTLZHUBv8OLEsWg=; b=GWcgFhuelKbr7ijaY5ECiaZ4amvt1fRHwiOP2Jn7OGmEyWCbYqyeHP8reI2jmaJM1Q cdzCFAfdN+PdGK/vmnL386w5C5N62e8aRvCPUw9kkjfIxkC6zS1F6Wu7vIsWqv55l+l6 ytTSzVjXN0QmqM0D/Pbwxv/NP0sEMduNv1NOPtYJU8NeCg+2VPDQRZgbiLdT6g8RwHM4 soiDmKFXlLCXu8icL0EKmszLwdoE95uEXvmzYlTohgZuqnlj099LRJVYv8ouZW+3Az+h XYHWJnv0PR2LcepJnZ7md9B/xdt+pcTvGIwYm7ezbAMPBgUW6WRvRndv1Tp2wOVznRLW kfbA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=+Y/NZITf/yqVml9sTuFJ9ZdqXkbpFTLZHUBv8OLEsWg=; b=tFVq8ujduPp4utuQe5+H+Vs+H31cc2BWZvBa4qier4f3eKGsG1xEZpdQ53C0usBKIM AIP/W0fB27etYkk3qplBx7EF1inA9Bd8LbRDfr4ZaqNOLtYXIBTIt7OcRel5nsOkNvcT MlvuwnMbGE06qWS6ECiiMximkyASl1/Jvw/ts1vXWfLuwjb/pFvzOYgxBNjWwXkuuPSW jSsSrzqXCpQlt9VkuDRKNJbMyJpjHEreVPVDXi0Uu78RPZb57B56x0/HKJEUVBWIF1F8 yXvNZYBHiIazsTtCgfMW/PKF63Is0ETegSkXibnrQSrimHDflN0OulHsAB2Dswg36IPd tE7Q== X-Gm-Message-State: AOAM5326l0V53PWjAlABXTeXfArW0jx2yVX0vMbkTXVXbWBz1OsrCBdk LrYOS4s+GrM+w2Id9BmuOg0dxaHJIwijGENHrGYloQ== X-Google-Smtp-Source: ABdhPJw453E+pvza93ecJbOEqYnkjc2Dodat3F4YnA8MILQGLwK+dh8Gg2vhZQASEeD33xIN7/zqIOqz4QeGhThqAK0= X-Received: by 2002:a05:6512:368a:: with SMTP id d10mr5510438lfs.579.1607194755036; Sat, 05 Dec 2020 10:59:15 -0800 (PST) MIME-Version: 1.0 References: <160693121881.9413.5642470305677631145@ietfa.amsl.com> <17AFD6F5-11DA-41BC-8C37-E1893648041D@isc.org> <51A61472-45D7-4133-80BC-1F470B5CBD84@isc.org> <20201204203635.GS64351@kduck.mit.edu> <320692C5-9C47-4CE6-8D6C-A62C2B50728F@akamai.com> In-Reply-To: <320692C5-9C47-4CE6-8D6C-A62C2B50728F@akamai.com> From: Eric Rescorla Date: Sat, 5 Dec 2020 10:58:38 -0800 Message-ID: To: "Salz, Rich" Cc: Benjamin Kaduk , =?UTF-8?B?T25kxZllaiBTdXLDvQ==?= , "last-call@ietf.org" , "draft-ietf-dnsop-server-cookies.all@ietf.org" , dnsop WG , "secdir@ietf.org" Content-Type: multipart/alternative; boundary="000000000000758c5305b5bc3052" Archived-At: Subject: Re: [secdir] [DNSOP] [Last-Call] Secdir last call review of draft-ietf-dnsop-server-cookies-04 X-BeenThere: secdir@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Security Area Directorate List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 05 Dec 2020 18:59:20 -0000 --000000000000758c5305b5bc3052 Content-Type: text/plain; charset="UTF-8" On Sat, Dec 5, 2020 at 6:58 AM Salz, Rich wrote: > There is a fair amount of academic study around SipHash, and while > everyone can make mistakes, its creators have a pretty good reputation. I > don't think we can say SipHash is unknown in the industry. > > The TLSWG made it a practice to ask CFRG to "approve" all crypto it used > (except perhapd HKDF, but that's a side note). The DNSOP has no such > practice. > I recognize that this is a bigger issue, but I believe this should be the practice for the IETF as a whole and I would encourage the SEC ADs to work to make it so. -Ekr > If SECDIR or the Ads thinks SipHash isn't good, it would be great to hear > reasons. I haven't heard any yet. > > > _______________________________________________ > DNSOP mailing list > DNSOP@ietf.org > https://www.ietf.org/mailman/listinfo/dnsop > --000000000000758c5305b5bc3052 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


=
On Sat, Dec 5, 2020 at 6:58 AM Salz, = Rich <rsalz=3D40akamai.co= m@dmarc.ietf.org> wrote:
There is a fair amount of academic study around SipHash, an= d while everyone can make mistakes, its creators have a pretty good reputat= ion. I don't think we can say SipHash is unknown in the industry.

The TLSWG made it a practice to ask CFRG to "approve" all crypto = it used (except perhapd HKDF, but that's a side note). The DNSOP has no= such practice.

I recognize that this i= s a bigger issue, but I believe this should be the practice for the IETF as= a whole and I would encourage the SEC ADs to work to make it so.
=

-Ekr



If SECDIR or the Ads thinks SipHash isn't good, it would be great to he= ar reasons.=C2=A0 I haven't heard any yet.


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