I've lost some passwords

[nihil]

Thanks for that link oofki, I have bookmarked it and will have a play later

If the original hashes were salted, it would make cracking a very daunting task. If we are looking at multiples then it is mission impossible, without knowing what they are for.

[oofki]

I mean even if the salt is KNOWN and so is the algorithm as well, lookup tables are useless, and if they were complex passwords, then yup forget it about it!