RC4加解密算法-dll (C语言)

#pragma once #if __GNUC__ #define RC4API #else #define RC4API __declspec(dllexport) #endif #if __linux__ char* _itoa(int value, char* str, int radix); int atoi(const char* str); #endif /// <summary> /// 初始化RC4加解密资源空间 /// </summary> /// <param name="srcSize"></param> /// <param name="pwdSize"></param> RC4API void initializationRC4(int srcSize, int pwdSize); /// <summary> /// 释放RC4占用的空间资源 /// </summary> /// <returns></returns> RC4API void freeRC4Source(); /// <summary> /// 获取输出流地址 /// </summary> /// <returns>输出流地址</returns> RC4API char* getOutputStreamPointer(); /// <summary> /// 执行RC4加解密运算 /// </summary> /// <param name="src">输入流初始值(Hex)</param> /// <param name="srcSize">输入流所占字节大小</param> /// <param name="passwd">密钥值</param> /// <param name="pwdSize">密钥值所占字节大小</param> /// <returns>输出流地址</returns> RC4API char* RC4_Encrypt(char* src, short srcSize, char* passwd, short pwdSize);