7 pass vs 7 pass

  • Thread starter Thread starter Anonymous
  • Start date Start date
A

Anonymous

Guest
Hi,

I have a 40GB HD half empty (or half full if your an optimist!). If i wipe free space using the DoD 7 pass method it takes about 6-7 hours. If I enter a new pattern of 7 passes of pseudorandom data it takes about half this time. I have 2 questions:

1) Why

2) Is the random data pass as secure, less secure or more secure than DoD method?

Thanks.
 
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