快速MD5碰撞生成器，王小云改进版。这个生成器根据“构造前缀碰撞法”可以生成两个不同的文件，而这两文件的md5 sum却是一样的。 MD5 Colli...

adfgx密表密码-adfgx secret password

用java语言实现rsa经典算法 自己可以加上运行测试！-using java language rsa classical algorithm can add their own testing!

StreamSec Security Library含有多种算法的控件-StreamSec Security Library contains a variety of control algorithms

Base64Coding源码-Base64Coding FOSS

一个测试DES加密算法和测试程序-a test DES encryption algorithm and testing procedures

QR 码 （从快速响应代码缩写） 是一类矩阵条码商标（或二维条码） 设计为在日本汽车行业的第一次。条码是机器可读的光学标签包含有关它所附加到的项目信息。QR 码使用四个标准化编码模式 （数字、 字母数字、 字节 / 二进制和日文汉字）为了高效地存储数据 ；此外可以使用扩展。

MD5加密 MD5加密-MD5 encryption MD5 encryption MD5 encryption

base64加密算法源代码，比如现在的qq采样双层加密，其中外层加密就采用此算法-base64 encryption algorithm source code, such as the current two-tier encryption qq sampling, in which outer layer of encryption on the use of this algorithm

TableCrypt is a file encryption utility. The major difference with most file encryptors is that this program uses a generated table in combination with a password to encrypt a file. This way you need 2 variables to decrypt the file. This is how it works: Generate a 10kb table file and enter a password. The password is used to pick bytes from the table file which in their turn are used to encrypt the bytes of the inputfile with XOR encryption.

WjcDes2-加密－解密 对一个文件的内容进行加密解密-WjcDes2-encryption- decryption of the contents of a file encryption and decryption