On Wed, 1 Sep 2004, Marcel Popescu wrote: > Hence my question: is there some "approximate" hash function (which I could > use instead of SHA-1) which can verify that a text hashes "very close" to a > value? So that if I change, say, tabs into spaces, I won't get exactly the > same value, but I would get a "good enough"?
Hi Marcel, You may wish to look at Cmeclax's nilsimsa. It has been used to detect slightly-modified message floods in anonymous remailer systems, and was also used in Spamassassin at some point. http://lexx.shinn.net/cmeclax/nilsimsa.html --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]