gcc/libjava/javax/crypto/interfaces/DHKey.java

/* DHKey.java -- General interface for a Diffie-Hellman key.
   Copyright (C) 2004  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
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package javax.crypto.interfaces;

import javax.crypto.spec.DHParameterSpec;

/**
 * This interface marks public/private keys in the Diffie-Hellman key
 * exchange algorithm. Implementations of Diffie-Hellman keys should
 * implement this interface, and applications can safely cast keys that
 * are known to be Diffie-Hellman keys to this interface.
 *
 * @author Casey Marshall (csm@gnu.org)
 * @since 1.4
 */
public interface DHKey
{
  /**
   * Returns the Diffie-Hellman parameters for this key, which includes
   * the generator and the prime.
   *
   * @return The Diffie-Hellman parameters.
   */
  DHParameterSpec getParams();
}