17 Dec
2003
17 Dec
'03
11:17 p.m.
Zero knowledge means that the recipient obtains no information that they could not have obtained without knowing the secret information corresponding to the key. If I authenticate myself to you by giving a signature on a nonce you chose you have obtained information that you could not have obtained otherwise. If it wasn't for the fact that it is IAP and you apear to be a grad student I might wonder about somone doing their course assignments via the net... :-) Phill