一个智能卡加密的好文章，详细记述了一个加强的智能卡加密算法的实现-Abstract – Hwang and Li proposed the first remote user authentication scheme using smart cards to solve the problems of Lamport scheme. Unfortunately, Hwang and Li’s scheme has some security weaknesses. First, C

Similar to many technological developments, wireless sensor networks have emerged from military needs and found its way into civil applications. Today, wireless sensor networks has become a key technology for different types of ”smart environme