Initial revision

From-SVN: r102074

libjava/classpath/javax/crypto/interfaces/DHPrivateKey.java

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+/* DHPrivateKey.java -- A Diffie-Hellman private 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
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.crypto.interfaces;
+
+import java.math.BigInteger;
+import java.security.PrivateKey;
+
+/**
+ * This interface marks a private key in the Diffie-Hellman key exchange
+ * algorithm. It should be treated with as much care as any {@link
+ * java.security.PrivateKey}.
+ *
+ * <p>Implementations of Diffie-Hellman private keys should implement
+ * this interface. Applications that know a particular key is a
+ * Diffie-Hellman private key can safely cast it to this interface.
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ * @since 1.4
+ * @see DHKey
+ * @see DHPublicKey
+ */
+public interface DHPrivateKey extends DHKey, PrivateKey
+{
+  /** Compatible with JDK1.4. */
+  long serialVersionUID = 2211791113380396553L;
+
+  /**
+   * Returns the private value <i>x</i>.
+   *
+   * @return The private value <i>x</i>.
+   */
+  BigInteger getX();
+}