DES 实现 包括 纯DES 3DES 和 CBC

含有多种公开密钥算法、多种块加密、多种数据流加密、多种HASH函数、多种CheckSum校验、多种MAC校验等几十种加密算法的程序-Contain a wide range of public key algorithm, multi-block encryption, multiple data stream encryption, multi-HASH function, multi-Checksum validation, multi-MAC check dozens of encryption algorithm, such as procedures

这是一个完整的数字签名过程，包括密钥的分发管理，摘要的提取，在eclipse上测试成功。

大数计算器，有加减乘乘方求余求逆 可用于密码学的课程设计。-Large Number Calculator, there are more than addition and subtraction by inverse involution for cryptography can be used for curriculum design.

aes加密算法。用delphi语言实现。位数为128。-Aes encryption algorithm. Delphi use language. Median 128.

关于des的说明- About des explanation

Aes和DES加密算法，提供了两个函数可以进行AES或DES加密算法-AEs and the DES encryption algorithm, provides the two functions can be AES or DES encryption algorithm

使用Windows加密API的例子-Example for using windows api of encrypting

凯撒加密，用java实现 非扩展算法，C=M*K，有加密和解密两步-Caesar encryption, using java to achieve non-expansion algorithm, C = M* K, have a two-step encryption and decryption

sha1摘要算法 简单易懂 测试已通过 将文件进行散列加密处理-sha1 digest algorithm simple test has been passed to deal with file hash encryption

古典密码算法中的单表代换密码算法、移位密码算法、Vigenere密码算法。算法比较简单，用命令的方式。可以随机生成明文和密钥。-Classical cryptographic algorithm in a single table substitution cipher, transposition cipher, Vigenere cipher. Algorithm is relatively simple, way to use the command. Can be randomly generated and the key explicitly.