From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans Reiser Subject: Re: secure delete? Date: Wed, 24 Mar 2004 00:40:09 +0300 Message-ID: <4060AEB9.1030200@namesys.com> References: Reply-To: reiser@namesys.com Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Jason Holt Cc: reiserfs-list@namesys.com Jason Holt wrote: >Secure deletion would be a very nice addition to the security features r4 has >to offer. After our discussions on the difficulty of getting things like >shred to work with journalling filesystems, I wrote up a demo that I showed at >a UUG meeting. It's here: > >http://www.lunkwill.org/tmp/delete/ > >I get different results every time I run it(!), but usually the last run >(where we create 6 files) produces lots of text on the "disk" even after >shredding. I suspect that reiserfs would behave the same way. > >So some way to ask the fs not to leave extra copies of blocks laying around, >or to securely delete the copies that it makes would be quite useful. > > -J > > > > > Well, I am not opposed to it, I am just not putting it at the top of my funding priorities.;-) Right now we want to complete our darpa contract feature list and get everything debugged.... even if we have already spent all of darpa's money.... -- Hans