Cryptography, Blind Signatures, Google, VPN, Privacy.
exponent (known by signing server) x^e^d == x (mod N) for all x in [0, N) Protocol: Notes: r must be relatively prime to N. The Client and Redemption Point must know the correct public key e. “Non-attack” #1: token malleability Suppose you are a malicious client, and want to run a bot farm. You'd