H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 9/00 (2006.01) H04L 9/28 (2006.01)
Patent
CA 2490491
A Method and Apparatus for a Security System for Wireless Networks is described. The technique involves encryption and decryption at the Physical layer. It also develops a criterion for choosing the encryption/decryption methodology for a particular embodiment for communication systems typically using a Viterbi Decoder and describes how the difficult-to-invert property of the Viterbi Decoder can be utilized to provide security against known-plaintext attacks. Some candidate encryption/decryption methodologies satisfying the developed criterion are also discussed.
Pal Arpan
Purushothaman Balamuralidhar
Reddy Harish Thimma
Viswanath Ganapathy
Riches Mckenzie & Herbert Llp
Tata Consultancy Services Limited
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