#include <openssl/md5.h>

void chkmd5(const char *data, char *md5){
	MD5_CTX ctx;
	unsigned char tmp,md[16];
	int i;
	MD5_Init(&ctx);
	MD5_Update(&ctx,data,strlen(data));
	MD5_Final(md,&ctx);
	for(i=0;i<16;i++){
		tmp = (md[i]>>4)&0x0f;
		if(tmp<10)
			md5[i*2+0] = tmp+0x30;
		else
			md5[i*2+0] = tmp+0x37;
		tmp = md[i]&0x0f;
		if(tmp<10)
			md5[i*2+1] = tmp+0x30;
		else
			md5[i*2+1] = tmp+0x37;
	}
	md5[32] = 0x00;
}