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+/* IPrivateKeyring.java --
+ Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+
+This file is a 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 of the License, 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; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, 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 gnu.javax.crypto.keyring;
+
+import java.security.Key;
+import java.security.PublicKey;
+import java.security.UnrecoverableKeyException;
+import java.security.cert.Certificate;
+
+/**
+ * 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>
+ * What about public keys? and certificate-path?
+ */
+public interface IPrivateKeyring
+ extends IKeyring
+{
+ /**
+ * Tests if this keyring contains a private key entry with the given
+ * <code>alias</code>.
+ *
+ * @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.
+ */
+ boolean containsPrivateKey(String alias);
+
+ /**
+ * Returns the private key with the given <code>alias</code>.
+ *
+ * @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;
+
+ /**
+ * Adds a private key to this keyring.
+ *
+ * @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);
+
+ /**
+ * Checks if this keyring contains a public key with the given
+ * <code>alias</code>.
+ *
+ * @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);
+
+ /**
+ * Returns the public key with the given <code>alias</code>, or
+ * <code>null</code> if there is no such entry.
+ *
+ * @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);
+
+ /**
+ * Sets a public key entry.
+ *
+ * @param alias The alias for this public key.
+ * @param key The public key.
+ */
+ void putPublicKey(String alias, PublicKey key);
+
+ /**
+ * Checks if this keyring contains a certificate path with the given
+ * <code>alias</code>.
+ *
+ * @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);
+
+ /**
+ * Returns the certificate path with the given <code>alias</code>, or
+ * <code>null</code> if there is no such entry.
+ *
+ * @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);
+
+ /**
+ * Sets a certificate path entry.
+ *
+ * @param alias The alias for this certificate path.
+ * @param path The certificate path.
+ */
+ void putCertPath(String alias, Certificate[] path);
+}