@ARTICLE{Li:SPIC2008, author = {Shujun Li and Chengqing Li and Guanrong Chen and Nikolaos G. Bourbakis and Kwok-Tung Lo}, title = {A general quantitative cryptanalysis of permutation-only multimedia ciphers against plaintext attacks}, journal = {Signal Processing: Image Communication}, year = {2008}, volume = {23}, number = {3}, pages = {212-223}, doi = {10.1016/j.image.2008.01.003}, note = {preprint available online at \url{http://www.hooklee.com/pub.html}}, }