From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=BAYES_00,FORGED_HOTMAIL_RCVD2, FREEMAIL_FROM autolearn=no autolearn_force=no version=3.4.4 X-Google-Thread: a07f3367d7,fef40c7c6b003852 X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII-7-bit Received: by 10.224.223.84 with SMTP id ij20mr4359912qab.5.1347729946528; Sat, 15 Sep 2012 10:25:46 -0700 (PDT) Received: by 10.52.33.34 with SMTP id o2mr273678vdi.12.1347729946484; Sat, 15 Sep 2012 10:25:46 -0700 (PDT) Path: da15ni67587947qab.0!nntp.google.com!v8no3713901qap.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Sat, 15 Sep 2012 10:25:46 -0700 (PDT) In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=31.52.181.203; posting-account=pmkN8QoAAAAtIhXRUfydb0SCISnwaeyg NNTP-Posting-Host: 31.52.181.203 References: <7c39a531-1058-42de-9e56-f03f2b9f92dc@googlegroups.com> <93b90c84-f6eb-41cc-bfea-ec87bbdecf3a@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <395c1784-1a44-42ab-811a-92cb1c624d04@googlegroups.com> Subject: Re: Time Stamping Again. From: Austin Obyrne Injection-Date: Sat, 15 Sep 2012 17:25:46 +0000 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Date: 2012-09-15T10:25:46-07:00 List-Id: On Saturday, September 15, 2012 5:15:56 PM UTC+1, Dirk Heinrichs wrote: > Austin Obyrne wrote: > I guess there's nothing that can't be perverted in= some way. Well, you can't do the same sort of tampering with checksums (or= even GPG signatures). Bye... Dirk -- Dirk Heinrichs Tel: +49 (0)2471 209385 | Mobil: +49 (0)176 34473913 GPG Public Key C2E= 467BB | Jabber: dirk.heinrichs@altum.de Like a lot of other things in computer science this whole topic bears a lot= of discussion that is apppication-specific on a particular day maybe but n= ot generally the case on all other days. Frankly,=20 Quote: "Well, you can't do the same sort of tampering with checksums (or even GPG= signatures)."=20 This is highly subjective and I think I can demonstrate that in a real situ= ation that the 'tampering' he says is feasible is not in fact possible to i= mplement undetected but arguments are possible all the time. Thanks for your input - adacrypt=20 - show quoted text -