From: Peter Hickman Date: 2012-12-20T18:37:38+09:00 Subject: Re: Efficient way to encode a string with a secret string and recover it --e89a8ff1ce4233b4f404d1457b94 Content-Type: text/plain; charset=ISO-8859-1 The nature of a hash function is that there is no unhash function. It would be pretty useless if there was. What you want is encryption like RSA, Blowfish or rot13. PS the rot13 thing was a joke. --e89a8ff1ce4233b4f404d1457b94 Content-Type: text/html; charset=ISO-8859-1
The nature of a hash function is that there is no unhash function. It would be pretty useless if there was.

What you want is encryption like RSA, Blowfish or rot13.

PS the rot13 thing was a joke.
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