Re: [Cfrg] scrypt password-based key derivation function

Aaron Zauner <azet@azet.org> Sat, 12 December 2015 15:07 UTC

Return-Path: <azet@azet.org>
X-Original-To: cfrg@ietfa.amsl.com
Delivered-To: cfrg@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6E79D1A87BC for <cfrg@ietfa.amsl.com>; Sat, 12 Dec 2015 07:07:27 -0800 (PST)
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] autolearn=ham
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 VE-hBYI-ovmB for <cfrg@ietfa.amsl.com>; Sat, 12 Dec 2015 07:07:24 -0800 (PST)
Received: from mail-wm0-x236.google.com (mail-wm0-x236.google.com [IPv6:2a00:1450:400c:c09::236]) (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 DC8271A87A7 for <cfrg@irtf.org>; Sat, 12 Dec 2015 07:07:23 -0800 (PST)
Received: by wmpp66 with SMTP id p66so8676154wmp.1 for <cfrg@irtf.org>; Sat, 12 Dec 2015 07:07:22 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=azet.org; s=gmail; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type; bh=K0H09EM3E3EHRQ3eiMocWE8r9/c3/oA1P1oDg2d0/qA=; b=Bu6sfP6UYJ9lBpwl6eHYj8xfoBlRLfzuEQykC2EU6yRVSp8dhZkI4vk+AXfBQVJLgI wwCX26Yy4ipAzg5fh9jRjKJAmShiG6s0cxlHvx68+ns6cjT4Rf+wf3OKEGSl2+2S38De bdNFL0s5r/IFrEgOTu0xFQ+XgOC2uMjm1QS9c=
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :cc:subject:references:in-reply-to:content-type; bh=K0H09EM3E3EHRQ3eiMocWE8r9/c3/oA1P1oDg2d0/qA=; b=PJdV/5gqrci+noApkGRzXbZ5+qEyg1DaUTZBLJV1LMAVei7qaWGJDtIeykGBI7fQ9y hCTvrMj/Ch+U8BXT2QOYX4iFBjHV7Wvvfma+51piHIcwx7fC2aEqiyYg5m7xh8wHqd0A jLbXHl+54qyULVVrvuvWqYagdcvKKuiARl9vqM0Brp/PUQ+OXicsibDXCYRPTY9K5sM8 YJQFHRwefsSYmzxemmB8bt03gu1368sYAV3I6lFIXikqi+H8SDiY/r3gkg9qgoMtmXud /O0+Q9WXJb+61npLUqQSx9Az26nYrz5sbGTf8zMRwVAwTHqIDB5hwfjC+6SboLRgDPTO kGoA==
X-Gm-Message-State: ALoCoQnnmrjUCB/kqGPkjhSzTYDi493GhfIBo9aBLdeR8ShxFBN3rFH2KMypIqnSTPZ947mOEHYwzi8fZwOb/Cu8yfpsHmNxLA==
X-Received: by 10.194.111.232 with SMTP id il8mr9930054wjb.150.1449932842516; Sat, 12 Dec 2015 07:07:22 -0800 (PST)
Received: from [192.168.1.100] ([41.232.114.92]) by smtp.gmail.com with ESMTPSA id m16sm8040745wmb.13.2015.12.12.07.07.20 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 12 Dec 2015 07:07:21 -0800 (PST)
Message-ID: <566C382C.2030604@azet.org>
Date: Sat, 12 Dec 2015 16:07:24 +0100
From: Aaron Zauner <azet@azet.org>
User-Agent: Postbox 3.0.11 (Macintosh/20140602)
MIME-Version: 1.0
To: Simon Josefsson <simon@josefsson.org>
References: <87bogv4udy.fsf@latte.josefsson.org> <56697BF7.6000400@cs.tcd.ie> <20151210192737.08bf975f@pc1> <5669EB1F.2040503@azet.org> <CAA4PzX2yVsPfBqtnebQDjB58SHJqTGDK5w2ZwLSKL7Wf4hTgLA@mail.gmail.com> <5669F871.3040201@azet.org> <87zixhl1rz.fsf@latte.josefsson.org>
In-Reply-To: <87zixhl1rz.fsf@latte.josefsson.org>
X-Enigmail-Version: 1.2.3
Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="------------enigFAC4006E811E5949113AAAE1"
Archived-At: <http://mailarchive.ietf.org/arch/msg/cfrg/axJHlHa_s1PkaYM1rho40Om5bmk>
Cc: cfrg@irtf.org
Subject: Re: [Cfrg] scrypt password-based key derivation function
X-BeenThere: cfrg@irtf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: Crypto Forum Research Group <cfrg.irtf.org>
List-Unsubscribe: <https://www.irtf.org/mailman/options/cfrg>, <mailto:cfrg-request@irtf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/cfrg/>
List-Post: <mailto:cfrg@irtf.org>
List-Help: <mailto:cfrg-request@irtf.org?subject=help>
List-Subscribe: <https://www.irtf.org/mailman/listinfo/cfrg>, <mailto:cfrg-request@irtf.org?subject=subscribe>
X-List-Received-Date: Sat, 12 Dec 2015 15:07:27 -0000


Simon Josefsson wrote:
> Aaron Zauner <azet@azet.org> writes:
> 
>> Björn Edström wrote:
>>> Seems to be in progress:
>>> https://datatracker.ietf.org/doc/draft-josefsson-argon2/
>> This I-D is for argon2 itself, not an argon2 based PBKDF. Or am I
>> missing something?
> 
> I may be missing something -- what do you mean with "argon2 based
> PBKDF"?  Argon2 IS a pbkdf, for all definitions of a pbkdf that I am
> aware of.
> 
> Are you looking for an ASN.1 schema and OID, similar to the one found in
> the scrypt document?  Then I understand, and agree, and it should be
> part of the next version of draft-josefsson-argon2.
> 

Nah, I totally got that wrong. Mea culpa - should have read the whole
document first and not post when overly tired :)

Aaron