游戏开发—简单数据加密解密

Posted on 2010-03-19 15:15  625747  阅读(556)  评论(0)    收藏  举报

代码 
#include "Encryption.h"

CEncryption::CEncryption(void)
{
    strcpy(m_key,"~}|{vxzwuXZXZCXZC");
}

CEncryption::~CEncryption(void)
{
}

void CEncryption::Encryption(char *SourceStr, int iStrLen, char DesStr[])
{
    for (int i=0;i<iStrLen;i++)
    {
        m_rezault[i]=m_key[i] ^ SourceStr[i];
        m_rezault[i+1]='\0';    
    }
    
    strncpy(DesStr,m_rezault,strlen(m_rezault));
    DesStr[strlen(m_rezault)]='\0';

}

void CEncryption:: Dissection(char *SourceStr, int iStrLen, char DesStr[])
{
    for (int i=0;i<iStrLen;i++)
    {
        m_rezault[i]=m_key[i] ^ SourceStr[i];
        m_rezault[i+1]='\0';
    }

    strncpy(DesStr,m_rezault,strlen(m_rezault));
    DesStr[strlen(m_rezault)]='\0';
}

 

代码 
#pragma once
#include <iostream>
#include <stdio.h>
#include <cstring>
#include <windows.h>

class CEncryption
{
public:
    CEncryption(void);
    ~CEncryption(void);
    void Encryption(char *SourceStr, int iStrLen, char DesStr[]);
    void Dissection(char *SourceStr, int iStrLen, char DesStr[]);
private:
    char  m_key[21];     // 密钥可以自己写
    char m_rezault[21];
};