[geeks] Commercial Password crackers

[Sridhar Ayengar]

Jeff Cole wrote:
> $ork is looking at password crackers so that we can evaluate our shadow
> files before turning them over to Security Operations for evaluation. I
> know of John The Ripper and Crack, but was curious if there were any
> commercial implementations of these or other cracking utilities.

Which encryption algorithm do they use?  Are they all the same?

Peace...  Sridhar