1. Privacy and authentication: an introduction to cryptography;Diffie;Proceedings of the IEEE,1979
2. The data encryption standard: past and future;Smid;Proceedings of the IEEE,1988
3. An efficient hierarchical chaotic image encryption algorithm and its VLSI realization;Yen;IEE Proceedings––Vision, Image and Signal Processing,2000
4. Picture data encryption using SCAN pattern;Bourbakis;Pattern Recognition.,1992
5. J.C. Yen, J.I. Guo, A new image encryption algorithm and its VLSI architecture, in: 1999 IEEE Workshop on Signal Processing Systems, Grand Hotel, Taipei, Taiwan, October 18–22, 1999, 430–437