// testc.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <string.h>
#include "md5.h"

void Passwd_XOR( char *seed, char *src, char *dst)
{
	int i;
	int maxLen;
	memset(dst,0,sizeof(dst));
	maxLen = (strlen(src) >= str_len) ? 15 : strlen(src);
	for(i=0;i<maxLen;i++)
	{
		dst[i] = src[i] ^ seed[i];
	}
	dst[i] = '\0';
}
void MDString (char *string,char *output)//output len=32
{
	MD5_CTX context;
	unsigned char digest[str_len];
	unsigned int len = strlen (string);
	
	MD5Init (&context);
	MD5Update (&context, (byte*)string, len);
	MD5Final (digest, &context);
	
	output[0]=0;
	for (int i = 0; i < str_len; i++){
		sprintf(&output[strlen(output)],"%02x", digest[i]);
	}
}
int main(int argc, char* argv[])
{
	char swatch[str_len]={"p"};
	char mswatch[md5_len+1]={0};//md5樣品
	char buf[str_len]={"qzc"};
	MDString(swatch,mswatch);
	Passwd_XOR(mswatch,buf,swatch);
	strcpy(buf,"d");
	Passwd_XOR(mswatch,swatch,buf);
	printf("Hello World!\n樣品:%s\n加密:%s\n還原:%s\nend",mswatch,swatch,buf);
	return 0;
}