sha1的快速实现

vb.net编写的数据加密程序，提供三种加密方式： 简单加密、随机码加密、用户名加密-vb.net prepared by the data encryption program, providing three encryption methods : simple encryption, random encryption, user name encryption

pgpencrypt.rar

此代码实现S-P密码的加密解密，在这个实验中用到了S盒和P盒随机发生器-this code to achieve S-P password encryption and decryption, in this experiment uses S boxes and boxes of random generator P

TTrialSoftware LITE时间限制的共享软件控件。(源代码，需注册）价格：$120。工作在：CB5 D5。作者：Martin。-Time-bound TTrialSoftware LITE-sharing software control. (Source code, to be registered) Price: $ 120. Working in: CB5 D5. Author: Martin.

用Caesar算法实现文本加密的程序

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

loki加密算法-loki encryption algorithm

这本书包括了密码学和水印学竞争在内的各方面技术，这本书的内容覆盖知识范围广博，书中还有经过整理的代码，源代码等。-This book includes the study of cryptography and watermarking competition, including all aspects of technology, the content of this book cover a broad range of knowledge, the book also after finishing the code, source code and so on.

使用单片来进行CRC校验，可以位校验、半字节和字节校验-Using the single-chip to carry out CRC check, you can place check, half-byte and byte checksum

md5的加密函数 iis下运行； 用法: 1：页面包含该文件 2：调用方法MD5(sMessage,stype) 例dim md_=md5("admin"，32) *注：最高32位。-md5 encryption function running under iis Usage: 1: page 2 of the document contains: call method MD5 (sMessage, stype) were dim md_ = md5 ( " admin" , 32)* Note: maximum 32.