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IPrivateKeyring.java

package gnu.crypto.keyring;  // -*- c-basic-offset: 3 -*-

// ---------------------------------------------------------------------------
// $Id: IPrivateKeyring.java,v 1.3 2003/10/21 20:03:21 raif Exp $
//
// Copyright (C) 2003 Free Software Foundation, Inc.
//
// This file is part of GNU Crypto.
//
// GNU Crypto 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 Crypto 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 this program; see the file COPYING.  If not, write to the
//
//    Free Software Foundation Inc.,
//    59 Temple Place - Suite 330,
//    Boston, MA 02111-1307
//    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
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// independent modules, and to copy and distribute the resulting
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// ---------------------------------------------------------------------------

import java.security.Key;
import java.security.PublicKey;
import java.security.UnrecoverableKeyException;
import java.security.cert.Certificate;

/**
 * <p>An interface to private, or "personal", keyrings, which contain private
 * credentials. The contract is that each such entry is known by a unique
 * <i>alias</i>.</p>
 *
 * <p>What about public keys? and certificate-path?</p>
 *
 * @version $Revision: 1.3 $
 */
00061 public interface IPrivateKeyring extends IKeyring {

   /**
    * <p>Tests if this keyring contains a private key entry with the given
    * <code>alias</code>.</p>
    *
    * @param alias The alias to check.
    * @return <code>true</code> if this keyring contains a private key with the
    * given <code>alias</code>; <code>false</code> otherwise.</p>
    */
   boolean containsPrivateKey(String alias);

   /**
    * <p>Returns the private key with the given <code>alias</code>.</p>
    *
    * @param alias The alias of the private key to find.
    * @param password The password of the private key.
    * @return The private, or secret, key if one is found; <code>null</code> if
    * none were found.
    * @throws UnrecoverableKeyException If the private key could not be
    * recovered, possibly due to a bad password.
    */
   Key getPrivateKey(String alias, char[] password) throws UnrecoverableKeyException;

   /**
    * <p>Adds a private key to this keyring.</p>
    *
    * @param alias The alias of the private key.
    * @param key The private key.
    * @param password The password used to protect this private key.
    */
   void putPrivateKey(String alias, Key key, char[] password);

   /**
    * <p>Checks if this keyring contains a public key with the given
    * <code>alias</code>.</p>
    *
    * @param alias The alias to test.
    * @return <code>true</code> if this keyring contains a public key entry with
    * the given <code>alias</code>; <code>false</code> otherwise.
    */
   boolean containsPublicKey(String alias);

   /**
    * <p>Returns the public key with the given <code>alias</code>, or
    * <code>null</code> if there is no such entry.</p>
    *
    * @param alias The alias of the public key to find.
    * @return The public key; or <code>null</code> if none were found.
    */
   PublicKey getPublicKey(String alias);

   /**
    * <p>Sets a public key entry.</p>
    *
    * @param alias The alias for this public key.
    * @param key The public key.
    */
   void putPublicKey(String alias, PublicKey key);

   /**
    * <p>Checks if this keyring contains a certificate path with the given
    * <code>alias</code>.</p>
    *
    * @param alias The alias to check.
    * @return <code>true</code> if this keyring contains a certificate path with
    * the given <code>alias</code>; <code>false</code> otherwise.
    */
   boolean containsCertPath(String alias);

   /**
    * <p>Returns the certificate path with the given <code>alias</code>, or
    * <code>null</code> if there is no such entry.</p>
    *
    * @param alias The alias of the certificate path to find.
    * @return The certificate path for the designated <code>alias</code>; or
    * <code>null</code> if none were found.
    */
   Certificate[] getCertPath(String alias);

   /**
    * <p>Sets a certificate path entry.</p>
    *
    * @param alias The alias for this certificate path.
    * @param path The certificate path.
    */
   void putCertPath(String alias, Certificate[] path);
}

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