Afaik, erasing a disk 7x7 times using a truly random source of entrophy, using the proton decay multiplexed with the frequency of solar flares on alpha centauri, and just dd'ing /dev/zero to the drive *ONE* time makes no difference to data retrieval/forensics.
Please kill this urban legend about the fantastical methods of retrieval using a scanning electron microscope and read individual atoms - ok, that may work, but damnit, how many of you have shit that requires that level of protection? If you do, just apply thermite judiciously. On 9/21/08, Johan Strvm <[EMAIL PROTECTED]> wrote: > On Sep 21, 2008, at 7:02 AM, Sunnz wrote: > >> OK I am trying to completely erase the data of a hard disk so I though >> I can just do `dd if=/dev/arandom of=/dev/rwd0c` as to my >> understanding that is the entire hard disk (slice c) of wd0 in 'raw' >> mode? >> >> But that dd refuse to do it. > > > If you just want to erase the disk securely and don't really need to > run OpenBSD, check out http://www.dban.org/ > > -- > Johan > > -- http://www.glumbert.com/media/shift http://www.youtube.com/watch?v=tGvHNNOLnCk "This officer's men seem to follow him merely out of idle curiosity." -- Sandhurst officer cadet evaluation. "Securing an environment of Windows platforms from abuse - external or internal - is akin to trying to install sprinklers in a fireworks factory where smoking on the job is permitted." -- Gene Spafford learn french: http://www.youtube.com/watch?v=j1G-3laJJP0&feature=related
