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Improvement of Channel Decoding using Block Cypher

Authors:
Natasa Zivic
Ayyaz Mahmood

Keywords: Advanced Encryption Standard, Cryptography, Concatenated Codes, Soft Input Decryption, Encryption, Maximum A Posteriori Probability (MAP)

Abstract:
This paper introduces two methods for the improvement of performance of channel coding using cryptography, based on concatenation of codes. Cryptography as an outer code is combined with channel coding as an inner code. The first method improves decoding of cryptographic functions. The second one uses the first method for improvement of information decoding using a block cipher Advanced Encryption Standard. Computer simulation results are included.

Pages: 7 to 10

Copyright: Copyright (c) IARIA, 2010

Publication date: October 25, 2010

Published in: conference

ISSN: 2308-4278

ISBN: 978-1-61208-100-7

Location: Florence, Italy

Dates: from October 25, 2010 to October 30, 2010