1 files changed, 158 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/javax/net/ssl/provider/Signature.java b/libjava/classpath/gnu/javax/net/ssl/provider/Signature.java
new file mode 100644
index 00000000000..c9be641431f
--- /dev/null
+++ b/libjava/classpath/gnu/javax/net/ssl/provider/Signature.java
@@ -0,0 +1,158 @@
+/* Signature.java -- SSL signature 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.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.DataInputStream;
+import java.io.InputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
+import java.math.BigInteger;
+
+import java.security.PublicKey;
+import java.security.interfaces.RSAKey;
+
+import java.util.Arrays;
+
+import gnu.java.security.der.*;
+
+class Signature implements Constructed
+{
+
+  // Fields.
+  // -------------------------------------------------------------------------
+
+  private final Object sigValue;
+  private final String sigAlg;
+
+  // Constructor.
+  // -------------------------------------------------------------------------
+
+  Signature(Object sigValue, String sigAlg)
+  {
+    this.sigValue = sigValue;
+    this.sigAlg = sigAlg;
+  }
+
+  // Class method.
+  // -------------------------------------------------------------------------
+
+  static Signature read(InputStream in, CipherSuite suite, PublicKey key)
+    throws IOException
+  {
+    Object sigValue = null;
+    DataInputStream din = new DataInputStream(in);
+    int len = din.readUnsignedShort();
+    sigValue = new byte[len];
+    din.readFully((byte[]) sigValue);
+    if (suite.getSignature() == "DSS")
+      {
+        DERReader der = new DERReader(new ByteArrayInputStream((byte[]) sigValue));
+        if (der.read().getTag() != DER.SEQUENCE)
+          {
+            throw new IOException("expecting DER SEQUENCE");
+          }
+        BigInteger r = (BigInteger) der.read().getValue();
+        BigInteger s = (BigInteger) der.read().getValue();
+        sigValue = new BigInteger[] { r, s };
+      }
+    return new Signature(sigValue, suite.getSignature());
+  }
+
+  // Instance methods.
+  // -------------------------------------------------------------------------
+
+  public void write(OutputStream out) throws IOException
+  {
+    write(out, ProtocolVersion.TLS_1);
+  }
+
+  public void write(OutputStream out, ProtocolVersion version)
+    throws IOException
+  {
+    byte[] result = null;
+    if (sigValue instanceof byte[])
+      {
+        result = (byte[]) sigValue;
+      }
+    else
+      {
+        DERValue r = new DERValue(DER.INTEGER, ((BigInteger[]) sigValue)[0]);
+        DERValue s = new DERValue(DER.INTEGER, ((BigInteger[]) sigValue)[1]);
+        DERValue sig = new DERValue(DER.SEQUENCE|DER.CONSTRUCTED,
+                                    Arrays.asList(new Object[] { r, s }));
+        result = sig.getEncoded();
+      }
+    out.write(result.length >>> 8 & 0xFF);
+    out.write(result.length & 0xFF);
+    out.write(result);
+  }
+
+  Object getSigValue()
+  {
+    return sigValue;
+  }
+
+  String getSigAlg()
+  {
+    return sigAlg;
+  }
+
+  public String toString()
+  {
+    StringWriter str = new StringWriter();
+    PrintWriter out = new PrintWriter(str);
+    out.println("struct {");
+    if (sigAlg.equals("RSA"))
+      {
+        out.print(Util.hexDump((byte[]) sigValue, "  "));
+      }
+    else
+      {
+        out.println("  r = " + ((BigInteger[]) sigValue)[0].toString(16) + ";");
+        out.println("  s = " + ((BigInteger[]) sigValue)[1].toString(16) + ";");
+      }
+    out.println("} Signature;");
+    return str.toString();
+  }
+}