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package javax.crypto.spec;

import java.math.BigInteger;

This class specifies a Diffie-Hellman private key with its associated parameters.

Note that this class does not perform any validation on specified parameters. Thus, the specified values are returned directly even if they are null.

Author:Jan Luehe
See Also:
Since:1.4
/** * This class specifies a Diffie-Hellman private key with its associated * parameters. * * <p>Note that this class does not perform any validation on specified * parameters. Thus, the specified values are returned directly even * if they are null. * * @author Jan Luehe * * @see DHPublicKeySpec * @since 1.4 */
public class DHPrivateKeySpec implements java.security.spec.KeySpec { // The private value private BigInteger x; // The prime modulus private BigInteger p; // The base generator private BigInteger g;
Constructor that takes a private value x, a prime modulus p, and a base generator g.
Params:
  • x – private value x
  • p – prime modulus p
  • g – base generator g
/** * Constructor that takes a private value <code>x</code>, a prime * modulus <code>p</code>, and a base generator <code>g</code>. * @param x private value x * @param p prime modulus p * @param g 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.
Returns:the private value x
/** * Returns the private value <code>x</code>. * * @return the private value <code>x</code> */
public BigInteger getX() { return this.x; }
Returns the prime modulus p.
Returns:the prime modulus p
/** * Returns the prime modulus <code>p</code>. * * @return the prime modulus <code>p</code> */
public BigInteger getP() { return this.p; }
Returns the base generator g.
Returns:the base generator g
/** * Returns the base generator <code>g</code>. * * @return the base generator <code>g</code> */
public BigInteger getG() { return this.g; } }