Reversible hash function?

Question

I need a reversible hash function (obviously the input will be much smaller in size than the output) that maps the input to the output in a random-looking way. Basically, I

Answer 1

Basically, you are looking for 2 way encryption, and one that probably uses a salt.

You have a number of choices:

1. TripleDES
2. AES

Here is an example:" Simple insecure two-way "obfuscation" for C#

What language are you looking at? If .NET then look at the encryption namespace for some ideas.