Re: Decrypting?
"Some programs are capable of re-constructing this data, though they're invariably either very, very expensive or very, very un-user friendly (requiring a good knowledge of how a disk drive physically works at a cylinder-and-sector level)."
<cough/> https://en.wikipedia.org/wiki/PhotoRec
Free and IIRC, fairly straightforward. But it does depend on the original data being undamaged on the disk.
Biting the hand that feeds IT
