1 files changed, 151 insertions, 0 deletions
diff --git a/gnu/javax/net/ssl/provider/ServerDHE_PSKParameters.java b/gnu/javax/net/ssl/provider/ServerDHE_PSKParameters.java
new file mode 100644
index 000000000..edc3ac259
--- /dev/null
+++ b/gnu/javax/net/ssl/provider/ServerDHE_PSKParameters.java
@@ -0,0 +1,151 @@
+/* ServerDHE_PSKParameters.java -- 
+   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 gnu.classpath.debug.Component;
+import gnu.classpath.debug.SystemLogger;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.charset.Charset;
+
+/**
+ * <pre>
+      struct {
+          select (KeyExchangeAlgorithm) {
+              /* other cases for rsa, diffie_hellman, etc. &#42;/
+              case diffie_hellman_psk:  /* NEW &#42;/
+                  opaque psk_identity_hint&lt;0..2^16-1&gt;;
+                  ServerDHParams params;
+          };
+      } ServerKeyExchange;</pre>
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ */
+public class ServerDHE_PSKParameters implements Constructed, Builder, ServerKeyExchangeParams
+{
+  private ByteBuffer buffer;
+  
+  public ServerDHE_PSKParameters(ByteBuffer buffer)
+  {
+    this.buffer = buffer.duplicate().order(ByteOrder.BIG_ENDIAN);
+  }
+  
+  public ServerDHE_PSKParameters(String identityHint, ServerDHParams dhParams)
+  {
+    this(identityHint, dhParams.buffer());
+  }
+
+  public ServerDHE_PSKParameters(String identityHint, ByteBuffer dhParams)
+  {
+    Charset utf8 = Charset.forName("UTF-8");
+    ByteBuffer hintBuf = utf8.encode(identityHint);
+    buffer = ByteBuffer.allocate(2 + hintBuf.remaining() + dhParams.remaining());
+    buffer.putShort((short) hintBuf.remaining());
+    buffer.put(hintBuf);
+    buffer.put(dhParams);    
+  }
+
+  public KeyExchangeAlgorithm algorithm()
+  {
+    return KeyExchangeAlgorithm.DHE_PSK;
+  }
+
+  /* (non-Javadoc)
+   * @see gnu.javax.net.ssl.provider.Constructed#length()
+   */
+  public int length()
+  {
+    return (buffer.getShort(0) & 0xFFFF) + 2 + params().length();
+  }
+  
+  private int hintLength()
+  {
+    return (buffer.getShort(0) & 0xFFFF) + 2;
+  }
+  
+  public String identityHint()
+  {
+    Charset utf8 = Charset.forName("UTF-8");
+    return utf8.decode((ByteBuffer) buffer.duplicate().position(2).limit
+                       (hintLength())).toString();
+  }
+  
+  public ServerDHParams params()
+  {
+    return new ServerDHParams(((ByteBuffer) buffer.duplicate().position
+                               (hintLength()).limit(buffer.capacity())).slice());
+  }
+
+  /* (non-Javadoc)
+   * @see gnu.javax.net.ssl.provider.Builder#buffer()
+   */
+  public ByteBuffer buffer()
+  {
+    return (ByteBuffer) buffer.duplicate().rewind().limit(length());
+  }
+  
+  public @Override String toString()
+  {
+    return toString(null);
+  }
+
+  /* (non-Javadoc)
+   * @see gnu.javax.net.ssl.provider.Constructed#toString(java.lang.String)
+   */
+  public String toString(String prefix)
+  {
+    StringWriter str = new StringWriter();
+    PrintWriter out = new PrintWriter(str);
+    if (prefix != null) out.print(prefix);
+    out.println("struct {");
+    if (prefix != null) out.print(prefix);
+    out.print("  identity_hint = ");
+    out.print(identityHint());
+    out.println(";");
+    if (prefix != null) out.print(prefix);
+    out.println("  params =");
+    out.println(params().toString(prefix != null ? prefix + "    " : "    "));
+    if (prefix != null) out.print(prefix);
+    out.print("} ServerDHE_PSKParameters;");
+    return str.toString();
+  }
+}