System and method for encoding data based on a compression...

Details System and method for encoding data based on a compression... System and method for encoding data based on a compression...

2011-01-11

2011-01-11

Williams, Howard (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

Adaptive coding

C341S087000, C380S043000, C380S269000

Reexamination Certificate

active

07868788

ABSTRACT:
Described herein is an efficient encryption method and system having improved security features based on randomness. The method and system utilize a random dictionary insertion and a random dictionary permutation, and a key stream generated by a stream cipher. Security analysis results show that the method and system provides a higher level of security without incurring any coding efficiency loss, compared with a existing encoding methods.

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Ziv et al., “Compression of individual sequences via variable-rate coding,”IEEE Transactions on Information Theory, IT-34: 5, 530-536 (Sep. 1978).

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