Python unhash value

Question

I am a newbie to the python. Can I unhash, or rather how can I unhash a value. I am using std hash() function. What I would like to do is to first hash a value send it somew

Answer 1

You can't "unhash" data, hash functions are irreversible due to the pigeonhole principle

http://en.wikipedia.org/wiki/Hash_function
http://en.wikipedia.org/wiki/Pigeonhole_principle

I think what you are looking for encryption/decryption. (Or compression or serialization as mentioned in other answers/comments.)