Return-Path: X-Original-To: openpgp@ietfa.amsl.com Delivered-To: openpgp@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 279611B32C8 for ; Tue, 3 Nov 2015 04:18:06 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.61 X-Spam-Level: X-Spam-Status: No, score=-2.61 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_LOW=-0.7, T_RP_MATCHES_RCVD=-0.01] 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 tp4JB3X3-PbE for ; Tue, 3 Nov 2015 04:18:02 -0800 (PST) Received: from mx4.auckland.ac.nz (mx4.auckland.ac.nz [130.216.125.248]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9C7811B32A5 for ; Tue, 3 Nov 2015 04:18:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=auckland.ac.nz; i=@auckland.ac.nz; q=dns/txt; s=mail; t=1446553081; x=1478089081; h=from:to:subject:date:message-id:references:in-reply-to: content-transfer-encoding:mime-version; bh=axgOcRjNK1E5/Fcssd6kVKv9zV2m71ll4BQ1IlrrRYE=; b=mQqTCw5GQudmRW+yyQgEYyKii50AyTAsqVCgV5v6/LEcJA8dLRn3oBqd rR9WP6Py2ZkW+WffdtgNdzS651K0ZTuwx15j8ZqudHB5a8SEf3vPSdg+f VF0aT+d8kgb/qWucE2vOwCYyCG3AOrUkt1gP1j7ghBx8cafnRnA/jFQwz AloGkz/IlHPANCGhlu5C6RUFjuDRA2M1QYueiNdKz2W3otZ3HzHksAMvN sw1gVlmA15CEbQmoGqJDlPaKAjMe9JJwY0JMHn7jJwsfXluMhM23v0nPS uIXgVwxa1YVshaeY9RCjciD81ESYoe/B8QM5yvexDh6vdLkIrFMZmHG5s w==; X-IronPort-AV: E=Sophos;i="5.20,238,1444647600"; d="scan'208";a="52263271" X-Ironport-HAT: MAIL-SERVERS - $RELAYED X-Ironport-Source: 130.216.4.125 - Outgoing - Outgoing Received: from uxchange10-fe3.uoa.auckland.ac.nz ([130.216.4.125]) by mx4-int.auckland.ac.nz with ESMTP/TLS/AES128-SHA; 04 Nov 2015 01:17:59 +1300 Received: from UXCN10-5.UoA.auckland.ac.nz ([169.254.5.51]) by uxchange10-fe3.UoA.auckland.ac.nz ([169.254.143.234]) with mapi id 14.03.0174.001; Wed, 4 Nov 2015 01:17:59 +1300 From: Peter Gutmann To: Nils Durner , "openpgp@ietf.org" Thread-Topic: [openpgp] [PATCH] RFC4880bis: Argon2i Thread-Index: AQHRFdXlijSW/3f4FU2z5WUCh4oiMp6I0HUAgAAzAACAATMkiw== Date: Tue, 3 Nov 2015 12:17:58 +0000 Message-ID: <9A043F3CF02CD34C8E74AC1594475C73F4B51C09@uxcn10-5.UoA.auckland.ac.nz> References: <5623AA95.4060903@googlemail.com> <874mh3q3ol.fsf@alice.fifthhorseman.net> <56382F70.5000501@iang.org>,<56385A38.6000707@googlemail.com> In-Reply-To: <56385A38.6000707@googlemail.com> Accept-Language: en-NZ, en-GB, en-US Content-Language: en-NZ X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [130.216.158.4] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Archived-At: Subject: Re: [openpgp] [PATCH] RFC4880bis: Argon2i X-BeenThere: openpgp@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Ongoing discussion of OpenPGP issues." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Nov 2015 12:18:06 -0000 Nils Durner writes:=0A= =0A= >We can of course raise the bar by excluding types 1 & 3 entirely.=0A= =0A= 1 and 3? I assume you mean 0 and 1, with 2 being unused anyway. There sho= uld=0A= really only be a 3, a straight hash or salted hash is barely better than ju= st=0A= using the password directly.=0A= =0A= (They also seem to be virtually unused in practice, some time ago I=0A= inadvertently disabled use of 0 and 1 in my code and, after zero complaints= =0A= over this, made the change permanent).=0A= =0A= Peter.=