Method and apparatus for encrypting and decrypting data in...

Details Method and apparatus for encrypting and decrypting data in... Method and apparatus for encrypting and decrypting data in...

2007-07-24

2007-07-24

Nguyen, Quynh H. (Department: 2614)

Telecommunications

Transmitter and receiver at separate stations

Short range rf communication

C455S041300, C455S552100, C455S553100, C455S556100, C455S556200, C370S338000, C380S239000

Reexamination Certificate

active

10397112

ABSTRACT:
An apparatus and a method for encrypting and decrypting data in a wireless LAN includes additional blocks for generating key sequence by a secret key and generating key sequence by ICV in order to solve disadvantages of conventional WEP apparatus and method for encrypting/decrypting data suggested by IEEE 802.11, and the key sequence by the ICV is dual-encrypted by XOR operated with the transmission data, and thereby, wiretapping and sensing from outer side can be blocked.

REFERENCES:
patent: 5987062 (1999-11-01), Engwer et al.
patent: 6055316 (2000-04-01), Perlman et al.
patent: 7039190 (2006-05-01), Engwer et al.

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