rsa.java

提供JAVA源码

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package rsalab;
import java.util.Random;
import java.math.BigInteger;
/**
 *
 * @author Fredrik
 */

/**
 *
 * @author Fredrik
 */
public class RSA {
    
    private BigInteger n;
    private BigInteger e;
    private BigInteger d;
    
    //initiate RSA with length of n equal to bitlength 
    public RSA(int bitLength){
        Random rndGen=new Random(1);
        //create p and q, size bitlength/2
        
        //calculate n
        
        //calculate fi(n)=(p-1)(q-1)
        
        //create e
        
        //calculate d
    }
    
    public byte[] encrypt(byte[] plaintext){
       
        byte[] ciphertext={0,0};
        return ciphertext;
    }
    
    public byte[] decrypt(byte[] ciphertext){
       
        byte[] plaintext={0,0};
        return plaintext;
    }
    
    public byte[] getPublicExponent(){
        byte[] eBytes=null;
        return eBytes;
    }
    
    public byte[] getN(){
        byte[] nBytes=null;
        return nBytes;
    }
    
    

}