Patent ID: 7512235

Claim:
A computer-readable storage medium for a game console comprising computer-executable instructions that, when executed, direct the game console to: create multiple validated user identities (U 1 , H 1 ), (U 2 , H 2 ), . . . , (UU, HU) composed of the multiple user identities U 1 , U 2 , . . . , UU and associated values H 1 , H 2 , . . . , HU calculated from each user's key; form a single request containing a game console identity X, a game title identity G, the multiple validated user identities, and an identity A of an online service, as follows: Request=[ X, G, A , ( U 1 , H 1), ( U 2 , H 2), . . . , ( UU, HU )]; and submit the request to a ticket issuing entity over a network, whereby the ticket issuing entity simultaneously authenticates each of the identities contained in the request.