Anti-piracy system for wireless telephony

Details Anti-piracy system for wireless telephony Anti-piracy system for wireless telephony

1998-10-13

2000-05-16

Cangialosi, Salvatore

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 28, H04L 900

Patent

active

06064737&

ABSTRACT:
A method and system are described for reducing the theft of wireless telephony services, such as cellular systems and PCS systems, altering voice data to steganographically embed verification data therein. The verification data comprises a plurality of symbols which are steganographically detected at the carrier facility to confirm authorized use of the wireless device.

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