17 Dec
2003
17 Dec
'03
11:17 p.m.
I don't get it. If the challenge is partly secret, how will I know if I crack the code?
You don't thats how we make sure that you can't crack the code and not tell everyone else. The servers can be validated by using a standard bit commitment type affair. Its a matter of principle, we should ensure that the key breaking service is not itself subject to cryptanalytic attacks. One small point, cryptanalysis equipment is also covered by ITAR restrictions. Phill