From owner-freebsd-security Mon Sep 17 20:17:28 2001 Delivered-To: freebsd-security@freebsd.org Received: from mail.interchange.ca (ns.interchange.ca [216.126.79.2]) by hub.freebsd.org (Postfix) with ESMTP id 2CE1537B405 for ; Mon, 17 Sep 2001 20:17:26 -0700 (PDT) Received: by mail.interchange.ca (Fastmailer, from userid 555) id BF5B82560; Mon, 17 Sep 2001 23:17:18 -0400 (EDT) MIME-Version: 1.0 Message-Id: <3BA6BCBE.0001F5.04743@frodo.searchcanada.ca> Content-Type: Multipart/Mixed; boundary="------------Boundary-00=_U49UODMTZ6EOO49D7TH0" To: kris@obsecurity.org Subject: Re: US Congress already discussing bans on strong crypto Cc: freebsd-security@FreeBSD.ORG From: "Michael Richards" X-Fastmail-IP: 24.43.130.241 Date: Mon, 17 Sep 2001 23:17:18 -0400 (EDT) Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org --------------Boundary-00=_U49UODMTZ6EOO49D7TH0 Content-Type: Text/Plain Content-Transfer-Encoding: 7bit Your sediments echo mine about RSA and peer review. They can't really stuff the RSA cat back into the bag. As for the change NSA did make to the DES, I was not at all aware of this. I always assumed they had weakened it. When did this info become public knowledge? -Michael [chop chop chop] > There's nowhere to put a "backdoor" in the RSA algorithm. There's > room to put a backdoor in the DES algorithm, and in fact when the > DES algorithm was under consideration back in the early 70's the > NSA did request a change to the "S-Boxes" of the candidate > algorithm submitted by IBM which was eventually accepted. This > change may have seemed suspicious, until a number of years later > when civilian cryptographers discovered the technique of > differential cryptanalysis and realised that the NSA's changes > were to improve the resilience of DES against that attack, which > they evidently already knew about. [chop chop chop] _________________________________________________________________ http://fastmail.ca/ - Fast Free Web Email for Canadians --------------Boundary-00=_U49UODMTZ6EOO49D7TH0-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message