How do I do "wipe" in WinNT

[Marc Mutz]

Wesley J Landaker wrote:
> 
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> On Monday 30 October 2000  8:05pm, Kevin Hung wrote:
> > I am using GNUPG in WinNT at work (I know that this is
> > not the favorite OS for GNU people but I don't have a
> > choice) and I would like to have the "wipe" feature as
> > availabe in PGP or the shred command in Linux. Is
> > there any similar thing like shred in NT? Thanks.
> 
> If there's not already something that does that in Windows from the
> command line (I know some gui utilities that do it, and of course PGP
> does--but this assuming you're not using PGP), this should do the trick
> (this does exactly what most utilities like shred do--overwrite with
> '1's, '0's, and random bytes. Of course, you need a better random
> source than "rand()" usually, but this should probably be okay
> anyway--heck, we're using 50 iterations!!!)
> 
> #include <stdio.h>
> #include <stdlib.h>
> #include <time.h>
> 
> void do_shredding(const char file[]);
> 
> int main(int argc, char *argv[]) {
> 
>   if (argc < 2) {
>     printf("Cheapskate-shred -- this will shred files as good as
> anything else...\n");
>     printf("Usage: %s <file> ...\n",argv[0]);
>     return 1;
>   }
> 
>   for (int i=1;i<argc;i++) {
>     do_shredding(argv[i]);
>   }
> 
>   return 0;
> 
> }
> 
<snip>

This is BS. At the _very_ least, you should sync the written blocks to
disc after each iteration. Then there are all the other problems people
mentioned.

Marc

-- 
Marc Mutz <Marc@Mutz.com>     http://EncryptionHOWTO.sourceforge.net/
University of Bielefeld, Dep. of Mathematics / Dep. of Physics

PGP-keyID's:   0xd46ce9ab (RSA), 0x7ae55b9e (DSS/DH)


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