| US 7,532,723 B2 | ||
| Tokens/keys for wireless communications | ||
| Prabhakar R. Chitrapu, Blue Bell, Pa. (US); Alain Charles Louis Briancon, Poolesville, Md. (US); Akinlolu Oloruntosi Kumoluyi, Plainfield, N.J. (US); Alan Gerald Carlton, Mineola, N.Y. (US); Kiran Kumar S. Vanganuru, Vienna, Va. (US); Richard Dan Herschaft, Whitestone, N.Y. (US); John Erich Hoffmann, Indialantic, Fla. (US); John Thommana, Austin, Tex. (US); Debashish Purkayastha, Pottstown, Pa. (US); Guodong Zhang, Farmingdale, N.Y. (US); Robert Lind Olesen, Huntington, N.Y. (US); Alexander Reznik, Titusville, N.J. (US); TieJun Shan, Upper Salford, Pa. (US); Sung-Hyuk Shin, Northvale, N.J. (US); and Amit Singhal, King of Prussia, Pa. (US) | ||
| Assigned to InterDigital Technology Corporation, Wilmington, Del. (US) | ||
| Filed on Nov. 23, 2004, as Appl. No. 10/996,493. | ||
| Claims priority of provisional application 60/545678, filed on Feb. 18, 2004. | ||
| Claims priority of provisional application 60/536133, filed on Jan. 13, 2004. | ||
| Claims priority of provisional application 60/524959, filed on Nov. 24, 2003. | ||
| Prior Publication US 2005/0154925 A1, Jul. 14, 2005 | ||
| Int. Cl. H04L 9/00 (2006.01); G06F 7/58 (2006.01) | ||
| U.S. Cl. 380—44 [726/9] | 6 Claims |
| 1. A method comprising:
producing wireless transmit/receive unit (WTRU) specific information based on information specific to a user of the WTRU and
context information relating to the user, wherein the context information relating to the user includes at least one of the
following: rules and modes of user controlled WTRU operation, Internet preferences of the user, or web favorites of the user;
converting the WTRU specific information into an N-bit vector of fixed length;
producing a user specific token/key using the N-bit vector based on a specific application for the tokens/keys;
using the produced token/key to produce a watermark, signature or encryption code; and
inserting the watermark, signature or encryption code into a signal to be transmitted wirelessly.
|