IETF Logo Mail Archive

Re: [TLS] Require deterministic ECDSA

"Salz, Rich" <rsalz@akamai.com> Mon, 25 January 2016 15:08 UTC

Return-Path: <rsalz@akamai.com>
X-Original-To: tls@ietfa.amsl.com
Delivered-To: tls@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AE5691B2BCE for <tls@ietfa.amsl.com>; Mon, 25 Jan 2016 07:08:42 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.702
X-Spam-Level:
X-Spam-Status: No, score=-2.702 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] 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 T2a2zNKNVP4o for <tls@ietfa.amsl.com>; Mon, 25 Jan 2016 07:08:40 -0800 (PST)
Received: from prod-mail-xrelay07.akamai.com (prod-mail-xrelay07.akamai.com [23.79.238.175]) by ietfa.amsl.com (Postfix) with ESMTP id C04D51B2BCA for <tls@ietf.org>; Mon, 25 Jan 2016 07:08:40 -0800 (PST)
Received: from prod-mail-xrelay07.akamai.com (localhost.localdomain [127.0.0.1]) by postfix.imss70 (Postfix) with ESMTP id C7AE3433404; Mon, 25 Jan 2016 15:08:39 +0000 (GMT)
Received: from prod-mail-relay10.akamai.com (prod-mail-relay10.akamai.com [172.27.118.251]) by prod-mail-xrelay07.akamai.com (Postfix) with ESMTP id B0880433403; Mon, 25 Jan 2016 15:08:39 +0000 (GMT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=akamai.com; s=a1; t=1453734519; bh=J7FPD2ghocDOR9YnNL62VAyPsGHk/a+QwlxfXnZ2BNo=; l=260; h=From:To:CC:Date:References:In-Reply-To:From; b=Qq+W9akxDS5qcU1u8Wa1c5gld3dUuP/EmlYlvCgkgV/+foOiQuiCZQytbb3PulHbH F5oWw6YN2vdA6UZfkbLB1/TjZLpG5TUe1WY34zFFch0awcn8kmWbic2aJCeohUxb6u cAeVUTfF0zz0pebSSHOSd7g/DJU/Z7Fk42v1ZEMU=
Received: from email.msg.corp.akamai.com (ustx2ex-cas5.msg.corp.akamai.com [172.27.25.34]) by prod-mail-relay10.akamai.com (Postfix) with ESMTP id 98343202C; Mon, 25 Jan 2016 15:08:39 +0000 (GMT)
Received: from USTX2EX-DAG1MB1.msg.corp.akamai.com (172.27.27.101) by ustx2ex-dag1mb1.msg.corp.akamai.com (172.27.27.101) with Microsoft SMTP Server (TLS) id 15.0.1076.9; Mon, 25 Jan 2016 09:08:38 -0600
Received: from USTX2EX-DAG1MB1.msg.corp.akamai.com ([172.27.6.131]) by ustx2ex-dag1mb1.msg.corp.akamai.com ([172.27.6.131]) with mapi id 15.00.1076.000; Mon, 25 Jan 2016 09:08:38 -0600
From: "Salz, Rich" <rsalz@akamai.com>
To: Jacob Maskiewicz <jmaskiew@eng.ucsd.edu>, Joseph Birr-Pixton <jpixton@gmail.com>
Thread-Topic: [TLS] Require deterministic ECDSA
Thread-Index: AQHRVhJT9jHjiOXg0EehDwte11nJjZ8J4KoAgAJ3kVA=
Date: Mon, 25 Jan 2016 15:08:37 +0000
Message-ID: <962c1d946dba48bf95d22f0aa5f77c8f@ustx2ex-dag1mb1.msg.corp.akamai.com>
References: <CACaGAp=-xJZN=L3av+DX_WQcki_k=L-_tc5dZnJNtM=M0W8MnQ@mail.gmail.com> <CAGwT64i5v+0xXLzQYFO5JVKs302x6BgZYN+ffYzMVesgbB9biA@mail.gmail.com>
In-Reply-To: <CAGwT64i5v+0xXLzQYFO5JVKs302x6BgZYN+ffYzMVesgbB9biA@mail.gmail.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-ms-exchange-transport-fromentityheader: Hosted
x-originating-ip: [172.19.45.113]
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
MIME-Version: 1.0
Archived-At: <http://mailarchive.ietf.org/arch/msg/tls/xjAMvlz-ueNvpGz0GrVG6BbBTV8>
Cc: "tls@ietf.org" <tls@ietf.org>
Subject: Re: [TLS] Require deterministic ECDSA
X-BeenThere: tls@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: "This is the mailing list for the Transport Layer Security working group of the IETF." <tls.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/tls>, <mailto:tls-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/tls/>
List-Post: <mailto:tls@ietf.org>
List-Help: <mailto:tls-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tls>, <mailto:tls-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 25 Jan 2016 15:08:42 -0000

> But any system running a TLS stack is already going to have a high quality entropy source for client/server randoms and IVs and such

That's assuming a constraint that isn't accurate.

v2.23.0 | Report a Bug | By Email