DESUtil

加密数字图像的主要源码 加密数字图像的主要源码(encrypt image)

差分密码分析，此实验是对S-P密码体制的差分分析-differential cryptanalysis, the experiment of S-P Cryptosystem Differential Analysis

Paillier加密算法的实现。产生512位大数，进行大数运算。1、产生密钥2、加密、3、解密。(Paillier encryption algorithm implementation. Produce 512 Tarsus, Tarsus operation performed. 1, 2 generates a key, encrypts, 3, decryption.)

本文使用ECC加密AES的密钥，再由AES加密明文内容，AES加密强度大，速度快，但是密钥更新繁琐和不安全，由强度很大的非对称密钥算法对AES密钥加密，结合了两方的优点(this programme combine the ECC with AES.using the ECC to cipher the AES key,and using the AES to cipher the m)

AES Crypto PIC Code Example

利用散列哈希函数对信息进行散列，产生一个定长的信息摘要，从而可实现消息的认证和完整性验证(Hash function is used to hash information to produce a certain length of information summary, which can realize message authentication and integrity verification.)

SecurityLib一个user-rights系统控件，有很多功能，如口令加密等-SecurityLib a user-rights system of controls, there are many features such as password encryption

its cryption for stream cipher

VC++下MD5运行和使用示例,可以正常使用MD5算法(VC MD5)

RSA算法的解密和加密，用扩展的欧几里得算法求乘法逆元(rsa)