package javax.crypto.spec;
import java.math.BigInteger;
import java.security.spec.KeySpec;
/**
* This class specifies a Diffie-Hellman private key with its associated parameters.
*
* @see DHPublicKeySpec
*/
public class DHPrivateKeySpec
implements KeySpec
{
private BigInteger x;
private BigInteger p;
private BigInteger g;
/**
* Constructor that takes a private value x
, a prime
* modulus p
, and a base generator g
.
*/
public DHPrivateKeySpec(
BigInteger x,
BigInteger p,
BigInteger g)
{
this.x = x;
this.p = p;
this.g = g;
}
/**
* Returns the private value x
.
*
* @return the private value x
*/
public BigInteger getX()
{
return x;
}
/**
* Returns the prime modulus p
.
*
* @return the prime modulus p
*/
public BigInteger getP()
{
return p;
}
/**
* Returns the base generator g
.
*
* @return the base generator g
*/
public BigInteger getG()
{
return g;
}
}