16轮des加解密

md5加密算法：适用于学习密码学的朋友和其他对软件加密有较高要求的朋友。(md5 encryption algorithm : apply to study cryptography and other friends of encryption software have higher requirements friends.)

C++ implementaion for RSA together with the Wiener attack. It uses NTL library for big numbers

一个加密机用来注册用的可以加进你自己的程序里可以试试挺部错的！-an encryption machine used for the registration can add your own procedures you can try Ting Ministry wrong!

dsa数字签名 系统功能需求： 1.对文件进行签名，生成一个独立于原文的签名文件； 2.可以对文件进行签名，在文件后追加签名信息； 3.具有密钥管理的功能，比如密钥的生成、导入、导出； 4.可以对word文档实施操作，对word文档的内容进行签名； 5.能够比对已经实施的签名，防止进行重复的签名，以防止重放攻击； 6.可以对已经签名的文件进行单独的源文件和签名信息的分离操作。(DSA digital signature System functional requirements: 1. Sign the document and generate a signature file independent of the original text. 2. The document can be signed and the signature information can be added after the document. 3. It has the function of key management, such as key generation, import and export. 4. Word documents can be operated and the contents of Word documents can be signed. 5. Ability to compare existing signatures and prevent duplicate signatures to prevent replay attacks; 6. It is possible to separate the source file from the signature information of the signed file.)

blowfish 的加密算法，编程语言：Asm. -this is the blowfish Encryption Algorithm,writed in Asm

RSA-MFC,基于MFC的RSA加密算法的实现，可以用于16进制文件的加解密(RSA-MFC, the MFC based on the realization of RSA encryption algorithm, can be used for 16-band file encryption and decryption)

DES的加密和解密。在VC++6.0下运行。(Des encryption and decryption)

经典vigenere加密算法，对后来复杂的加密算法起着极为重要的作用。(Classic vigenere encryption algorithm, the complex encryption algorithm subsequently plays an extremely important role.)

利用汇编语言实现DES加密算法-using assembly language to achieve DES encryption algorithm

大整数运算的实现-large integer arithmetic Implementation