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=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,aa529428387c8116 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2002-09-17 07:55:45 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed.icl.net!newsfeed.fjserv.net!news.tele.dk!small.news.tele.dk!128.39.3.168!uninett.no!ntnu.no!not-for-mail From: Preben Randhol Newsgroups: comp.lang.ada Subject: Re: Crypting files with Ada Date: Tue, 17 Sep 2002 14:55:45 +0000 (UTC) Organization: Norwegian university of science and technology Message-ID: References: <3D874106.8020809@nbi.dk> NNTP-Posting-Host: kiuk0156.chembio.ntnu.no X-Trace: tyfon.itea.ntnu.no 1032274545 9658 129.241.83.82 (17 Sep 2002 14:55:45 GMT) X-Complaints-To: usenet@itea.ntnu.no NNTP-Posting-Date: Tue, 17 Sep 2002 14:55:45 +0000 (UTC) User-Agent: slrn/0.9.7.4 (Linux) Xref: archiver1.google.com comp.lang.ada:29080 Date: 2002-09-17T14:55:45+00:00 List-Id: On Tue, 17 Sep 2002 16:49:42 +0200, Jacob Sparre Andersen wrote: > > This would not necessarily be enough. According to a paper > by Peter Gutmann, you ought to overwrite the file 35 times > with different bit patterns. You can find an implementation > of this here: > > http://www.linux-kurser.dk/secure_harddisk_eraser.html This one overwrite the entire harddisk. > (it's written in C) I'll make a port if I can find the source :-) Preben