1981---An-iterative-image-registration-technique-

Document describing the various smart card commands send the Sky smart card

用Caesar算法实现文本加密的程序

SHA256加密过程,非常详细，内附原码，还有文档，很可用~(SHA256 encryption process, very detailed, containing the original code, as well as documents, it is available ~)

基于LSB的信息隐藏技术——MFC——编译已经通过运行正常(LSB-based Information Hiding- MFC- has been compiled by running the normal)

MD5加密c++实现 本人在项目里测试过 可以使用 操作简单(MD5 c++)

java 实现 DiffleHuman密钥分配(key distribution by difflehuman )

创建一个经过加密的软件系统信息文件，在软件启动时会校验这些信息，判断是授权用户在使用该软件。-create an encrypted document information system software, the software will start checking the information, and judgment is authorized users in the use of the software.

COBRA cipher algorithm example.

计算卡片过程密钥，加密密码数据，计算安全报文鉴别（MAC）过程密钥 (Calculating card key, the encrypted password data, calculate the safety message authentication (MAC) key)

这个是对文件进行加解密的项目，提供一些库函数，你可以直接调用(this source code s function is to encrypt and decrypt the file ,so ,of course ,it can speed up your program)