1 files changed, 132 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/javax/net/ssl/provider/ClientKeyExchange.java b/libjava/classpath/gnu/javax/net/ssl/provider/ClientKeyExchange.java
new file mode 100644
index 000000000..2006e7385
--- /dev/null
+++ b/libjava/classpath/gnu/javax/net/ssl/provider/ClientKeyExchange.java
@@ -0,0 +1,132 @@
+/* ClientKeyExchange.java -- SSL ClientKeyExchange message.
+   Copyright (C) 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.net.ssl.provider;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+
+/**
+ * The client key exchange message.
+ *
+ * <pre>
+struct {
+  select (KeyExchangeAlgorithm) {
+    case rsa: EncryptedPreMasterSecret;
+    case diffie_hellman: ClientDiffieHellmanPublic;
+  } exchange_keys;
+} ClientKeyExchange;</pre>
+ */
+public class ClientKeyExchange implements Handshake.Body
+{
+
+  // Fields.
+  // -------------------------------------------------------------------------
+
+  protected ByteBuffer buffer;
+  protected final CipherSuite suite;
+  protected final ProtocolVersion version;
+
+  // Constructors.
+  // -------------------------------------------------------------------------
+
+  public ClientKeyExchange (final ByteBuffer buffer, final CipherSuite suite,
+                            final ProtocolVersion version)
+  {
+    suite.getClass();
+    version.getClass ();
+    this.buffer = buffer.duplicate().order(ByteOrder.BIG_ENDIAN);
+    this.suite = suite;
+    this.version = version;
+  }
+
+  // Instance methods.
+  // -------------------------------------------------------------------------
+
+  public ExchangeKeys exchangeKeys ()
+  {
+    KeyExchangeAlgorithm alg = suite.keyExchangeAlgorithm();
+    if (alg == KeyExchangeAlgorithm.RSA)
+      return new EncryptedPreMasterSecret(buffer, version);
+    else if (alg == KeyExchangeAlgorithm.DH_anon
+             || alg == KeyExchangeAlgorithm.DHE_DSS
+             || alg == KeyExchangeAlgorithm.DHE_RSA)
+      return new ClientDiffieHellmanPublic(buffer.duplicate());
+    else if (alg == KeyExchangeAlgorithm.DHE_PSK)
+      return new ClientDHE_PSKParameters(buffer.duplicate());
+    else if (alg == KeyExchangeAlgorithm.PSK)
+      return new ClientPSKParameters(buffer.duplicate());
+    else if (alg == KeyExchangeAlgorithm.RSA_PSK)
+      return new ClientRSA_PSKParameters(buffer.duplicate());
+    else if (alg == KeyExchangeAlgorithm.NONE)
+      return new EmptyExchangeKeys();
+    throw new IllegalArgumentException("unsupported key exchange: " + alg);
+  }
+
+  public int length()
+  {
+    if (suite.keyExchangeAlgorithm() == KeyExchangeAlgorithm.NONE)
+      return 0;
+    return exchangeKeys().length();
+  }
+
+  public String toString ()
+  {
+    return toString (null);
+  }
+
+  public String toString (final String prefix)
+  {
+    StringWriter str = new StringWriter();
+    PrintWriter out = new PrintWriter(str);
+    if (prefix != null)
+      out.print (prefix);
+    out.println("struct {");
+    String subprefix = "  ";
+    if (prefix != null)
+      subprefix = prefix + subprefix;
+    out.println (exchangeKeys ().toString (subprefix));
+    if (prefix != null)
+      out.print (prefix);
+    out.println("} ClientKeyExchange;");
+    return str.toString();
+  }
+}