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Joint Error Correction and Encryption Scheme Based on Turbo Codes

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3 Author(s)
Qian Mao ; Sch. of Opt.-Electr. & Comput. Eng., Univ. of Shanghai for Sci. & Technol., Shanghai, China ; Longji Sun ; Chuan Qin

This paper proposes a new joint error correction and encryption scheme based on turbo codes, which can be called as turbo-based encryption. The new scheme should have high error-correcting capability as well as security. In order to encrypt information by turbo code, two measures are adopted: 1) The interleaver of turbo code is improved, therefore it can be controlled by a secret key; 2) Another interleaver is added to the first output of turbo encoder, which is also controlled by a secret key. Simulations show that the new scheme has good performances in error-correcting capability and security. At last, this paper gives an application of the turbo-based method in image encryption.

Published in:

Intelligence Information Processing and Trusted Computing (IPTC), 2010 International Symposium on

Date of Conference:

28-29 Oct. 2010