java加密技术：除了DES，我们还知道有DESede（TripleDES，就是3DES）、AES、Blowfish、RC2、RC4（ARCFOUR）等多种对称加密方式，其实现方式大同小异，这里介绍对称加密的另一个算法——PBE-java encryption technology: In addition to DES, we also know DESede (TripleDES, that is, 3DES), AES, Blowfish, RC2, RC4 (ARCFOUR) and o

Wireless Sensor Networks (WSN) are becoming popular day by day, however one of the main issue in WSN is its limited resources. We have to look to the resources to create Message Authentication Code (MAC) keeping in mind the feasibility of techn