文件加密压缩解压缩系统

Cryptmount是对Linux系统下的文件系统以及用户设备、文档等进行加密的系统.-Cryptmount of the Linux system and the file system of user equipment. Documents and other encryption systems.

加密算法 Test Driver for Crypto++, a C++ Class Library of Cryptographic Primitives: - To generate an RSA key cryptest g - To encrypt and decrypt a string using RSA cryptest r - To calculate MD5, SHS, and RIPEMD-160 message digests: cryptest m file - To encrypt and decrypt a string using DES-EDE in CBC mode: cryptest t - To encrypt or decrypt a file cryptest e|d input output - To share a file into shadows: cryptest s file (make sure file has no extension, if you re running this under DOS) - To reconstruct a file from shadows: cryptest j output file1 file2 [....] - To gzip a file: cryptest z input output - To gunzip a file: cryptest u input output - To run validation tests: cryptest v - To run benchmarks: cryptest b [time for each benchmark in seconds] -encryption algorithm Test Driver for Crypto. a Class C Library of spreadsheets Prim

实现移位密码（扩展凯撒密码），用键盘接收明文和密钥，屏幕打印密文。-Achieve translocation password (Extension Caesar password), use the keyboard to receive explicit and key, screen printing ciphertext.

des加密算法的java实现-The implement of DES encryption algorithm for JAVA

它也可以用来解除Adobe Acrobat PDF文件密码的工具，它可以帮助解决加密PDF无法编辑和复制/打印的问题，支持所有版本的Acrobat加密(包含7.x)，也支持128位加密。 -It also can be used to lift the Adobe Acrobat PDF files password tool, it can help to solve encrypted PDF can not edit and copy/print the questions, and support all versions of Acrobat encryption (including 7.x), also supports 128-bit encryption.

C++的一个MD5加密算法。对需要加密的接口非常有用的-C++ An MD5 encryption algorithm. The need for encryption interface very useful

实现维吉尼亚密码，用键盘接收明文和密钥，屏幕打印密文。-The achievement of Virginia password, use the keyboard to receive explicit and key, screen printing ciphertext.

针对JPEG2000格式的图像，利用了Arnold变换对图像的小波系数进行加密，对初步研究JPEG2000图像加密算法的有试用价值-JPEG2000 image format for the use of the Arnold transform the image of the wavelet coefficients encryption, preliminary study of the JPEG2000 image encryption algorithms have tested the value of

CRC码产生器与校验器程序 Features ： Executes in one clock cycle per data word Any polynomial from 4 to 32 bits Any data width from 1 to 256 bits Any initialization value Synchronous or asynchronous reset-CRC code generator and calibration program Features: Executes in one clock cycle per data word Any polynomial from 4 to 32 bits Any data width from 1 to 256 bits Any initialization value Synchronous or asynchronous reset

一个用ATL开发的Base64编码控件，使用简单,用EnCode64(str)编码,EnCode64(str)解码,属性EnCode存放源码,属性DeCode存放Base64码，开发平台：VC.Net- The Base64 code which develops with ATL controls, the use is simple, (str) codes with EnCode64, EnCode64 (str) decodes, the attribute EnCode depositing source code, attribute DeCode deposits the Base64 code, develops the platform: VC.Net