Project supported by the National Natural Science Foundation of China (Grant No. 60971104);the Basic Research Foundation of Sichuan Province,China (Grant No. 2006J013-011);the Outstanding Young Researchers Foundation of Sichuan Province,China (Grant No. 09ZQ026-091);the Research Fund for the Doctoral Program of Higher Education of China(Grant No. 20090184110008)
Based on a coupled nonlinear dynamic filter (NDF), a novel chaotic stream cipher is presented in this paper and employed to protect palmprint templates. The chaotic pseudorandom bit generator (PRBG) based on a cou...