//DES算法 unsigned char DES_Encrypt(unsigned char *plainBuffer, unsigned char *keyBuffer, unsigned char *cipherBuffer);//加密数据 unsigned char DES_Decrypt(unsigned char *cipherBuffer, unsigned char *keyBuffer, unsigned char *plainBuffer);//解密数据 //3DES算法 unsigned char D3DES_Encrypt(unsigned char *plainBuffer, unsigned char *keyBuffer, unsigned char *cipherBuffer);//加密数据 unsigned char D3DES_Decrypt(unsigned char *cipherBuffer, unsigned char *keyBuffer, unsigned char *plainBuffer);//解密数据

基于DES和RSA的混合加密机制 一篇很好的加密机制的文章，新手可以看看

复旦微的CPU卡FM1208读写需要DES认证，本代码主要是提供了单倍DES加解密源码，亲测可用；只针对8字节秘钥和明文加解密！

S-DES算法的密钥

DES算法的二维码扫描

// 声明常量字节数组 private static final int[] IP = { 58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4, 62, 54, 46, 38, 30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 16, 8, 57, 49, 41, 33, 25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3, 61, 53, 45, 37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 23, 15, 7 }; // 64 private static final int[] IP_1 = { 40, 8, 48, 16, 56, 24, 64, 32, 39, 7, 47, 15, 55, 23, 63, 31, 38, 6, 46, 14, 54, 22, 62, 30, 37, 5, 45, 13, 53, 21, 61, 29, 36, 4, 44, 12, 52, 20, 60, 28, 35, 3, 43, 11, 51, 19, 59, 27, 34, 2, 42, 10, 50, 18, 58, 26, 33, 1, 41, 9, 49, 17, 57, 25 }; // 64 Des加密java源代码

DES加密所需jar包，代码已上传，希望有所帮对你

本文介绍了分支定界法搜索差分分析和线性分析的最优路线。

DES( Data Encryption Standard)算法，于1977年得到美国政府的正式许可，是一种用56位密钥来加密64位数据的方法。

delphi2007 des 3des mars Base64 Crc RC2 RC4 RC5 RC6加解密