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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/gnu/javax/net/ssl/provider/ClientPSKParameters.java
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+/* ClientPSKParameters.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 java.io.PrintWriter;
+import java.io.StringWriter;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.Charset;
+
+/**
+ * <pre>
+ struct {
+ select (KeyExchangeAlgorithm) {
+ /* other cases for rsa, diffie_hellman, etc. &#42;/
+ case psk: /* NEW &#42;/
+ opaque psk_identity&lt;0..2^16-1&gt;;
+ } exchange_keys;
+ } ClientKeyExchange;</pre>
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ */
+public class ClientPSKParameters extends ExchangeKeys implements Builder, Constructed
+{
+ public ClientPSKParameters(ByteBuffer buffer)
+ {
+ super(buffer);
+ }
+
+ public ClientPSKParameters(String identity)
+ {
+ super(null);
+ Charset utf8 = Charset.forName("UTF-8");
+ ByteBuffer idBuf = utf8.encode(CharBuffer.wrap(identity));
+ buffer = ByteBuffer.allocate(idBuf.remaining() + 2);
+ buffer.putShort((short) idBuf.remaining());
+ buffer.put(idBuf);
+ buffer.rewind();
+ }
+
+ /* (non-Javadoc)
+ * @see gnu.javax.net.ssl.provider.Builder#buffer()
+ */
+ public ByteBuffer buffer()
+ {
+ return (ByteBuffer) buffer.duplicate().rewind().limit(length());
+ }
+
+ /* (non-Javadoc)
+ * @see gnu.javax.net.ssl.provider.Constructed#length()
+ */
+ public int length()
+ {
+ return (buffer.getShort(0) & 0xFFFF) + 2;
+ }
+
+ public String identity()
+ {
+ Charset utf8 = Charset.forName("UTF-8");
+ return utf8.decode((ByteBuffer) buffer.duplicate().position(2).limit(length())).toString();
+ }
+
+ 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 = ");
+ out.print(identity());
+ out.println(";");
+ if (prefix != null) out.print(prefix);
+ out.print("} ClientPSKParameters;");
+ return str.toString();
+ }
+}