1 files changed, 134 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/security/sig/rsa/RSAPSSSignatureRawCodec.java b/gcc-4.4.3/libjava/classpath/gnu/java/security/sig/rsa/RSAPSSSignatureRawCodec.java
new file mode 100644
index 000000000..b5e059c20
--- /dev/null
+++ b/gcc-4.4.3/libjava/classpath/gnu/java/security/sig/rsa/RSAPSSSignatureRawCodec.java
@@ -0,0 +1,134 @@
+/* RSAPSSSignatureRawCodec.java -- 
+   Copyright (C) 2001, 2002, 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.java.security.sig.rsa;
+
+import gnu.java.security.Registry;
+import gnu.java.security.sig.ISignatureCodec;
+
+import java.io.ByteArrayOutputStream;
+
+/**
+ * An object that implements the {@link ISignatureCodec} operations for the
+ * <i>Raw</i> format to use with RSA-PSS signatures.
+ */
+public class RSAPSSSignatureRawCodec
+    implements ISignatureCodec
+{
+  // implicit 0-arguments constructor
+
+  public int getFormatID()
+  {
+    return RAW_FORMAT;
+  }
+
+  /**
+   * Returns the encoded form of the designated RSA-PSS signature object
+   * according to the <i>Raw</i> format supported by this library.
+   * <p>
+   * The <i>Raw</i> format for an RSA-PSS signature, in this implementation, is
+   * a byte sequence consisting of the following:
+   * <ol>
+   * <li>4-byte magic consisting of the value of the literal
+   * {@link Registry#MAGIC_RAW_RSA_PSS_SIGNATURE},
+   * <li>
+   * <li>1-byte version consisting of the constant: 0x01,</li>
+   * <li>4-byte count of following bytes representing the RSA-PSS signature
+   * bytes in internet order,</li>
+   * <li>the RSA-PSS signature bytes in internet order.</li>
+   * </ol>
+   * 
+   * @param signature the signature to encode, consisting of the output of the
+   *          <code>sign()</code> method of a {@link RSAPSSSignature} instance
+   *          --a byte array.
+   * @return the <i>Raw</i> format encoding of the designated signature.
+   * @exception IllegalArgumentException if the designated signature is not an
+   *              RSA-PSS one.
+   */
+  public byte[] encodeSignature(Object signature)
+  {
+    byte[] buffer;
+    try
+      {
+        buffer = (byte[]) signature;
+      }
+    catch (Exception x)
+      {
+        throw new IllegalArgumentException("signature");
+      }
+    ByteArrayOutputStream baos = new ByteArrayOutputStream();
+    // magic
+    baos.write(Registry.MAGIC_RAW_RSA_PSS_SIGNATURE[0]);
+    baos.write(Registry.MAGIC_RAW_RSA_PSS_SIGNATURE[1]);
+    baos.write(Registry.MAGIC_RAW_RSA_PSS_SIGNATURE[2]);
+    baos.write(Registry.MAGIC_RAW_RSA_PSS_SIGNATURE[3]);
+    // version
+    baos.write(0x01);
+    // signature bytes
+    int length = buffer.length;
+    baos.write( length >>> 24);
+    baos.write((length >>> 16) & 0xFF);
+    baos.write((length >>> 8) & 0xFF);
+    baos.write(length & 0xFF);
+    baos.write(buffer, 0, length);
+    return baos.toByteArray();
+  }
+
+  public Object decodeSignature(byte[] k)
+  {
+    // magic
+    if (k[0] != Registry.MAGIC_RAW_RSA_PSS_SIGNATURE[0]
+        || k[1] != Registry.MAGIC_RAW_RSA_PSS_SIGNATURE[1]
+        || k[2] != Registry.MAGIC_RAW_RSA_PSS_SIGNATURE[2]
+        || k[3] != Registry.MAGIC_RAW_RSA_PSS_SIGNATURE[3])
+      throw new IllegalArgumentException("magic");
+    // version
+    if (k[4] != 0x01)
+      throw new IllegalArgumentException("version");
+    int i = 5;
+    int l;
+    // signature bytes
+    l =  k[i++]         << 24
+      | (k[i++] & 0xFF) << 16
+      | (k[i++] & 0xFF) << 8
+      | (k[i++] & 0xFF);
+    byte[] result = new byte[l];
+    System.arraycopy(k, i, result, 0, l);
+    return result;
+  }
+}