encrypt.cpp

实现DES的加密解密,有MFC界面,语言为C

// Encrypt.cpp: implementation of the CEncrypt class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "DESTest.h"
#include "Encrypt.h"

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CEncrypt::CEncrypt()
{
}

CEncrypt::~CEncrypt()
{
}

char* CEncrypt::encrypt(unsigned char key[8], char* data)
{
	//将字符指针转化为字符数组
	char* datavv = data;
	data =(char*) calloc(100,1);
	memcpy(data,datavv,strlen(datavv));
	data[strlen(data)] = '\0';

	//DES加密 
	CDES des ;
	des.encrypt(key, (unsigned char *)data,1); 

	//base64编码
    base.Encode(data);
    char* res =(char *) base.EncodedMessage();

	return res;
}

char* CEncrypt::decrypt(unsigned char key[8], char* data)
{
	//base64解码
	base.Decode(data);
	char* datares=(char *) base.DecodedMessage();

	//将字符指针转化为字符数组
	char* datarea = datares;
	datares = (char *)malloc(256);
	memcpy(datares,datarea,strlen(datarea));
	datares[strlen(datarea)] = '\0';

	//DES解密
	CDES des ;
	des.decrypt(key,(unsigned char*) datares,1);

    return datares;
}