Securely deleting *Windows* files (was Re: simple way to securely destroy deleted files in a file system)
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From: H.S. on 16 Jul 2010 14:40 On 16/07/10 02:03 PM, Mark wrote: > On Fri, Jul 16, 2010 at 9:10 AM, H.S.<hs.samix(a)gmail.com> wrote: > >> On 10-07-16 12:00 PM, Ron Johnson wrote: >> >>> >>> Aren't you askig the wrong list? >>> >>> >> The filesystem is vfat, files are being deleted from within Linux using >> Linux tools and the partition just happens to be a Windows installation* but >> could be any generic storage device. So, no. >> >> I presume you are implying that I ask on a Windows list. Please correct me >> if I am wrong. If I am not, it would be the wrong list to ask about using dd >> to delete files, unless dd is developed, or at least also being supported, >> by MS. >> >> * yes, I am aware of the OS holding some information. But if you read my >> original post (and the one after that) carefully, the scope of the security >> is quite limited. >> > > Not to oversimplify the situation, but focusing on the OP's original post, > why not boot to Windows, run the Eraser program (licensed under the GNU GPL) er ... there is a fundamental problem with that. The machine in which the disk was being used is not currently functional due to a problem with the power supply. So I can't really do that at this moment (otherwise I would have done something from within Windows). Now, if push comes to shove, and I really really have only that method to follow, then I will have to use a power supply from a good machine to make the older machine boot up ... when a good machine becomes available for this. I followed up with the dd method yesterday. Basically, I did this: $> sudo dd if=/dev/zero of=/media/windowsdata/zeros.bin bs=4096k count=N1; rm -f /media/windowsdata/zeros.bin $> sudo dd if=/dev/zero of=/media/windowsxp/zeros.bin bs=4096k count=N2; rm /media/windowsxp/zeros.bin where how to determine N1 and N2 based on the free space available and the type of the filesystem is left as an exercise to the reader. :) I wasn't aware of the application you mentioned. Thanks to you, now I am. Regards. -- Please reply to this list only. I read this list on its corresponding newsgroup on gmane.org. Replies sent to my email address are just filtered to a folder in my mailbox and get periodically deleted without ever having been read. -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/i1q8ml$2lp$1(a)dough.gmane.org |