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=0.4 required=5.0 tests=BAYES_00,FORGED_MUA_MOZILLA autolearn=no autolearn_force=no version=3.4.4 X-Google-Thread: a07f3367d7,96b1bf0c24ced968 X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII-7-bit Received: by 10.224.111.8 with SMTP id q8mr4862899qap.3.1347180389620; Sun, 09 Sep 2012 01:46:29 -0700 (PDT) Path: da15ni30467866qab.0!nntp.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!ctu-peer!news.nctu.edu.tw!csnews.cs.nctu.edu.tw!news.cs.nctu.edu.tw!feeder.erje.net!news2.arglkargh.de!dedekind.zen.co.uk!zen.net.uk!hamilton.zen.co.uk!reader01.nrc01.news.zen.net.uk.POSTED!not-for-mail Date: Mon, 03 Sep 2012 08:27:53 +0100 From: Mark Murray User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:15.0) Gecko/20120824 Thunderbird/15.0 MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: Question: re Image Files. References: <7bd3df18-178b-4735-ac43-c6bb6df9e999@googlegroups.com> <50406532$0$10734$5b6aafb4@news.zen.co.uk> <55aade96-7c5d-45a7-a211-cb2c7f04ceeb@googlegroups.com> In-Reply-To: <55aade96-7c5d-45a7-a211-cb2c7f04ceeb@googlegroups.com> Message-ID: <50445be2$0$7318$5b6aafb4@news.zen.co.uk> Organization: Zen Internet NNTP-Posting-Host: 4234bcaa.news.zen.co.uk X-Trace: DXC=1hb1\AZ=_3P4oFHPKRD_mRa0UP_O8AJo\=dR0\ckLKGPWeZ<[7LZNRV=5P_nN<;dDWhdb3K0IQIj2WkQ30FehBjPbWQ X-Complaints-To: abuse@zen.co.uk Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Date: 2012-09-03T08:27:53+01:00 List-Id: On 03/09/2012 07:02, Anatoly Chernyshev wrote: > This way the image data will be lost, because the headers will be screwed as well. Apparently Austin is trying to play with the pixels only (e.g. for steganography purposes or whatever). He's trying to play with the pixels only because he doesn't understand file structure in general. If he can't see it, he dismisses it, so the metainformation is not considered. Why he's now fixated on images is anyone's guess; mine is that its a lame attempt to encrypt binary files (see below). Simply put, if he can't see it, he doesn't understand it, so when encrypting plainTEXT he encrypts only ASCII (printable subset), thus wrecking the file structure by losing newlines, tabs etc. Its been explained to him many times before, but he just doesn't "get" that he needs to encrypt 8-bit bytes while ignoring file structure. M -- Mark "No Nickname" Murray Notable nebbish, extreme generalist.