Patent ID: 6149522
Filing Date: 2000-11-21
Classification: G06F,G06Q,G07F,H04L

Abstract:
A method of authenticating a game data set for use in a casino-type gaming system, said method comprising the steps of:(a) receiving the game data set;(b) computing a primary abbreviated bit string unique to the game data set;(c) encrypting the abbreviated bit string to provide a signature;(d) storing the data set and the signature;(e) computing a complementary abbreviated bit string from the stored data set;(f) decrypting the stored signature to recover the primary abbreviated bit string;(g) comparing the primary and complementary abbreviated bit strings to determine whether the primary and complementary abbreviated bit strings match;(h) if the primary and complementary abbreviated bit strings match, indicating that the game data set is authentic; and(i) if the primary and complementary abbreviated bit strings do not match, indicating that the game data set is not authentic.