import java.io.*;import java.awt.*;import java.awt.event.*;import java.util.*;import java.math.*;public class jiemi{	int b;	byte tom[]=new byte[17];	BigInteger n;	BigInteger e;	BigInteger d;	File f;	File ff;	jiemi(BigInteger n,BigInteger e,BigInteger d,File f,File ff)	{		this.n=n;		this.e=e;		this.d=d;		this.f=f;		this.ff=ff;		try{			FileInputStream in=new FileInputStream(f);			FileOutputStream out=new FileOutputStream(ff);			while((b=in.read(tom,1,16))!=-1)			{				BigInteger c=new BigInteger(tom);				BigInteger mm=c.modPow(d,n);				byte tom2[]=new byte[15];				tom2=mm.toByteArray();					String str=c.toString(16);					str=mm.toString(16);				System.out.println("mm:"+str);								boolean flag=false;				String sss=mm.toString(16);				if(sss.startsWith("8")){					flag=true;				}								if(tom2.length==16)					out.write(tom2, 1, 15);				else if(tom2.length==15)					out.write(tom2,0,tom2.length);				else if(tom2.length<15&&flag==false)					out.write(tom2, 0, tom2.length);				else if(tom2.length<15&&flag==true)					out.write(tom2,1,tom2.length-1);												for(int j=0;j<16;j++)					tom[j]=0;			}			in.close();			out.close();		}		catch(IOException ffe)		{			System.out.println("File read Error"+ffe);		}			}}