这是密码学的一个常用算法TWOFISH128，对于学习密码学很有帮助啊。...

pgpencrypt.rar

The Cryptography API: Next Generation(CNG) is a new and agile framework in Windows Vista, which implements an extensible provider model that allows you to load a provider by specifying the required cryptographic algorithm rather than having to hardcode a specific provider. -The Cryptography API: Next Generation (CNG) is a new and agile framework in Windows Vista, which implements an extensible provider model that allows you to load a provider by specifying the required cryptographic algorithm rather than having to hardcode a specific provider.

按照分组密码运行的CBC方式，将其中的DES算法置换为S-DES，分组长度为8BIT，初始矢量V1分别设置为00H,FFH,及任意8BIT无符号整数，实现该加密/解密模型-running CBC, which will be the replacement for the DES algorithm S-DES, a length of 8BIT initial vector V1 were set to 00H, FFH, and the arbitrary 8BIT unsigned integers, the achievement of this encryption/decryption model

PB使用MD5加密,可以有效解决PB开发中登录密码使用明文的问题-PB using MD5 encryption, can effectively resolve the PB Password development issue of the use of explicit

RSA的加密代码，含MFC界面，功能强大，可支持任意长度密钥。-RSA" s encryption code with MFC interface, powerful, can support an arbitrary length of the key.

rsa算法实现的经典开发包，对学习加密算法帮助很大-rsa algorithm realize the classic development kit, the encryption algorithm learning very helpful

This program encodes and decodes a character using the Vigenere Square method

算术运算实现字母的替换。凯撒加密就是一种单字母替换法：通过用户给出密钥将字母加上密码变成密文-Arithmetic operations to achieve the replacement of letters. Caesar encryption is the replacement of a single-letter law: the user is given the letter key will be encrypted into a ciphertext

著名的解Unix密码的源程序 -The source for cracking unix password

借助MIRACL大数运算库实现对共享软件的安全注册。-With large numbers MIRACL library to achieve the shared computing software security register.