sharing software encryption algorithm library

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.

用c语言实现的sha1，速度很快，和普通的sha1不同

安全支持提供器接口（SSPI）源码- Safe support provision connection (SSPI) source code

Universal De-embedding Procedure

IDEA(1/8) 功能模型,用matlab语言实现-IDEA (1/8) functional model, using matlab language implementation

一些常用的方法，很不错的实例，可以拿来学习，很不错哟-Some commonly used method, it is a good example, can be used to study, very good yo

The class has a methode named make_CRC that gets a byte stream and start/end offsets then calculate and return a 16 bit CRC according to determined POLYNAMIAL.The POLYNAMIAL is a private field of the class.

多数程序设计语言处理整数的能力是有限的，如C语言中，int类型数据范围是-32767----32767。实际问题的处理过程中往往涉及大整数的运算，如RSA加密算法要求至少64bit的整数，本程序是设计算法实现大整数的加减运算。-majority programming language processing is integral to the limited capacity, such as C language, int data type is the scope-32767---- 32767. Practical problems of the treatment process often involves large integer arithmetic, such as the RSA encryption algorithm requires at least 64-bit integers, the procedure is designed algorithm large integer addition and subtraction operations.

c描述的lzw算法，完整的可以在tc下运行！-c described lzw algorithm, the integrity of the tc can run!

BP算法的C++类，输入输出全部采用文件格式，不用在运行的时候一个一个输入拉-BP algorithm C++ Category, input and output file format used, do not have a running time of an input pull