1 files changed, 143 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/key/KeyAgreementFactory.java b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/key/KeyAgreementFactory.java
new file mode 100644
index 000000000..ae9bf36ff
--- /dev/null
+++ b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/key/KeyAgreementFactory.java
@@ -0,0 +1,143 @@
+/* KeyAgreementFactory.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.key;
+
+import gnu.java.security.Registry;
+
+import gnu.javax.crypto.key.dh.DiffieHellmanSender;
+import gnu.javax.crypto.key.dh.DiffieHellmanReceiver;
+import gnu.javax.crypto.key.dh.ElGamalSender;
+import gnu.javax.crypto.key.dh.ElGamalReceiver;
+import gnu.javax.crypto.key.srp6.SRP6Host;
+import gnu.javax.crypto.key.srp6.SRP6User;
+import gnu.javax.crypto.key.srp6.SRP6SaslClient;
+import gnu.javax.crypto.key.srp6.SRP6SaslServer;
+import gnu.javax.crypto.key.srp6.SRP6TLSClient;
+import gnu.javax.crypto.key.srp6.SRP6TLSServer;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * A <i>Factory</i> class to generate key agreement protocol handlers.
+ */
+public class KeyAgreementFactory
+{
+  /** Trivial constructor to enforce <i>Singleton</i> pattern. */
+  private KeyAgreementFactory()
+  {
+    super();
+  }
+
+  /**
+   * Returns an instance of a key agreeent protocol handler, for party
+   * <code>A</code> in a two-party <code>A..B</code> exchange, given the
+   * canonical name of this protocol. Party <code>A</code> is usually the
+   * initiator of the exchange.
+   * 
+   * @param name the case-insensitive key agreement protocol name.
+   * @return an instance of the key agreement protocol handler for party
+   *         <code>A</code>, or <code>null</code> if none found.
+   */
+  public static IKeyAgreementParty getPartyAInstance(String name)
+  {
+    if (name == null)
+      return null;
+    name = name.trim();
+    IKeyAgreementParty result = null;
+    if (name.equalsIgnoreCase(Registry.DH_KA))
+      result = new DiffieHellmanSender();
+    else if (name.equalsIgnoreCase(Registry.ELGAMAL_KA))
+      result = new ElGamalSender();
+    else if (name.equalsIgnoreCase(Registry.SRP6_KA))
+      result = new SRP6User();
+    else if (name.equalsIgnoreCase(Registry.SRP_SASL_KA))
+      result = new SRP6SaslClient();
+    else if (name.equalsIgnoreCase(Registry.SRP_TLS_KA))
+      result = new SRP6TLSClient();
+    return result;
+  }
+
+  /**
+   * Returns an instance of a key agreeent protocol handler, for party
+   * <code>B</code> in a two-party <code>A..B</code> exchange, given the
+   * canonical name of this protocol.
+   * 
+   * @param name the case-insensitive key agreement protocol name.
+   * @return an instance of the key agreement protocol handler for party
+   *         <code>B</code>, or <code>null</code> if none found.
+   */
+  public static IKeyAgreementParty getPartyBInstance(String name)
+  {
+    if (name == null)
+      return null;
+    name = name.trim();
+    IKeyAgreementParty result = null;
+    if (name.equalsIgnoreCase(Registry.DH_KA))
+      result = new DiffieHellmanReceiver();
+    else if (name.equalsIgnoreCase(Registry.ELGAMAL_KA))
+      result = new ElGamalReceiver();
+    else if (name.equalsIgnoreCase(Registry.SRP6_KA))
+      result = new SRP6Host();
+    else if (name.equalsIgnoreCase(Registry.SRP_SASL_KA))
+      result = new SRP6SaslServer();
+    else if (name.equalsIgnoreCase(Registry.SRP_TLS_KA))
+      result = new SRP6TLSServer();
+    return result;
+  }
+
+  /**
+   * Returns a {@link Set} of key agreement protocol names supported by this
+   * <i>Factory</i>.
+   * 
+   * @return a {@link Set} of key agreement protocol names (Strings).
+   */
+  public static final Set getNames()
+  {
+    HashSet hs = new HashSet();
+    hs.add(Registry.DH_KA);
+    hs.add(Registry.ELGAMAL_KA);
+    hs.add(Registry.SRP6_KA);
+    hs.add(Registry.SRP_SASL_KA);
+    hs.add(Registry.SRP_TLS_KA);
+
+    return Collections.unmodifiableSet(hs);
+  }
+}