A New Encryption Method Using Turbo Code
An encryption method based on turbo code is proposed in this paper. In the scheme, we adopt an improved interleaver for turbo code. The new interleaver has two characteristics: (a) It provides low correlation for information bits in one turbo frame, which means better error correction capability for short turbo code; (b) The output of the interleaver is controlled by the secret key, therefore the function of information encryption can be achieved. In order to enhance the security of encryption, an outer interleaver based on DES is applied. By these means, the high error correction capability of turbo code can provide good immunity to the transmitting errors for the encryption method. Simulation shows that the proposed method has good security and errorimmunity performance simultaneously.
encryption Turbo code interleaver DES
Qian Mao Chuan Qin Decun Dong
School of Optical-Electrical and Computer Engineering University of Shanghai for Science and Technol School of Transportation Engineering Tongji University Shanghai 200092, China
国际会议
南京
英文
662-665
2010-11-01（万方平台首次上网日期，不代表论文的发表时间）