1 files changed, 162 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/PublicKeyEntry.java b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/PublicKeyEntry.java
new file mode 100644
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+++ b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/PublicKeyEntry.java
@@ -0,0 +1,162 @@
+/* PublicKeyEntry.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.keyring;
+
+import gnu.java.security.key.IKeyPairCodec;
+import gnu.java.security.key.KeyPairCodecFactory;
+import gnu.java.security.key.dss.DSSPublicKey;
+import gnu.java.security.key.rsa.GnuRSAPublicKey;
+import gnu.javax.crypto.key.dh.GnuDHPublicKey;
+
+import java.io.DataInputStream;
+import java.io.IOException;
+import java.security.KeyFactory;
+import java.security.PublicKey;
+import java.security.spec.X509EncodedKeySpec;
+import java.util.Date;
+
+public final class PublicKeyEntry
+    extends PrimitiveEntry
+{
+  public static final int TYPE = 6;
+  private PublicKey key;
+
+  public PublicKeyEntry(PublicKey key, Date creationDate, Properties properties)
+  {
+    super(TYPE, creationDate, properties);
+    if (key == null)
+      throw new IllegalArgumentException("no key specified");
+    this.key = key;
+  }
+
+  private PublicKeyEntry()
+  {
+    super(TYPE);
+  }
+
+  public static PublicKeyEntry decode(DataInputStream in) throws IOException
+  {
+    PublicKeyEntry entry = new PublicKeyEntry();
+    entry.defaultDecode(in);
+    String type = entry.properties.get("type");
+    if (type == null)
+      throw new MalformedKeyringException("no key type");
+    if (type.equalsIgnoreCase("RAW-DSS"))
+      {
+        IKeyPairCodec coder = KeyPairCodecFactory.getInstance("dss");
+        entry.key = coder.decodePublicKey(entry.payload);
+      }
+    else if (type.equalsIgnoreCase("RAW-RSA"))
+      {
+        IKeyPairCodec coder = KeyPairCodecFactory.getInstance("rsa");
+        entry.key = coder.decodePublicKey(entry.payload);
+      }
+    else if (type.equalsIgnoreCase("RAW-DH"))
+      {
+        IKeyPairCodec coder = KeyPairCodecFactory.getInstance("dh");
+        entry.key = coder.decodePublicKey(entry.payload);
+      }
+    else if (type.equalsIgnoreCase("X.509"))
+      {
+        try
+          {
+            KeyFactory kf = KeyFactory.getInstance("RSA");
+            entry.key = kf.generatePublic(new X509EncodedKeySpec(entry.payload));
+          }
+        catch (Exception x)
+          {
+          }
+        if (entry.key == null)
+          {
+            try
+              {
+                KeyFactory kf = KeyFactory.getInstance("DSA");
+                entry.key = kf.generatePublic(new X509EncodedKeySpec(entry.payload));
+              }
+            catch (Exception x)
+              {
+              }
+            if (entry.key == null)
+              throw new MalformedKeyringException("could not decode X.509 key");
+          }
+      }
+    else
+      throw new MalformedKeyringException("unsupported public key type: " + type);
+    return entry;
+  }
+
+  /**
+   * Returns the public key.
+   * 
+   * @return The public key.
+   */
+  public PublicKey getKey()
+  {
+    return key;
+  }
+
+  protected void encodePayload() throws IOException
+  {
+    if (key instanceof DSSPublicKey)
+      {
+        properties.put("type", "RAW-DSS");
+        IKeyPairCodec coder = KeyPairCodecFactory.getInstance("dss");
+        payload = coder.encodePublicKey(key);
+      }
+    else if (key instanceof GnuRSAPublicKey)
+      {
+        properties.put("type", "RAW-RSA");
+        IKeyPairCodec coder = KeyPairCodecFactory.getInstance("rsa");
+        payload = coder.encodePublicKey(key);
+      }
+    else if (key instanceof GnuDHPublicKey)
+      {
+        properties.put("type", "RAW-DH");
+        IKeyPairCodec coder = KeyPairCodecFactory.getInstance("dh");
+        payload = coder.encodePublicKey(key);
+      }
+    else if (key.getFormat() != null && key.getFormat().equals("X.509"))
+      {
+        properties.put("type", "X.509");
+        payload = key.getEncoded();
+      }
+    else
+      throw new IllegalArgumentException("cannot encode public key");
+  }
+}