Imported GNU Classpath 0.90

       Imported GNU Classpath 0.90
       * scripts/makemake.tcl: Set gnu/java/awt/peer/swing to ignore.
       * gnu/classpath/jdwp/VMFrame.java (SIZE): New constant.
       * java/lang/VMCompiler.java: Use gnu.java.security.hash.MD5.
       * java/lang/Math.java: New override file.
       * java/lang/Character.java: Merged from Classpath.
       (start, end): Now 'int's.
       (canonicalName): New field.
       (CANONICAL_NAME, NO_SPACES_NAME, CONSTANT_NAME): New constants.
       (UnicodeBlock): Added argument.
       (of): New overload.
       (forName): New method.
       Updated unicode blocks.
       (sets): Updated.
       * sources.am: Regenerated.
       * Makefile.in: Likewise.

From-SVN: r111942

1 files changed, 182 insertions, 0 deletions

diff --git a/libjava/classpath/gnu/java/security/key/dss/DSSKey.java b/libjava/classpath/gnu/java/security/key/dss/DSSKey.java
new file mode 100644
index 00000000000..428cab1e78e
--- /dev/null
+++ b/libjava/classpath/gnu/java/security/key/dss/DSSKey.java
@@ -0,0 +1,182 @@
+/* DSSKey.java -- 
+   Copyright 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.key.dss;
+
+import gnu.java.security.Registry;
+import gnu.java.security.util.FormatUtil;
+
+import java.math.BigInteger;
+import java.security.Key;
+import java.security.interfaces.DSAKey;
+import java.security.interfaces.DSAParams;
+import java.security.spec.DSAParameterSpec;
+
+/**
+ * <p>A base asbtract class for both public and private DSS (Digital Signature
+ * Standard) keys. It encapsulates the three DSS numbers: <code>p</code>,
+ * <code>q</code> and <code>g</code>.</p>
+ *
+ * <p>According to the JDK, cryptographic <i>Keys</i> all have a <i>format</i>.
+ * The format used in this implementation is called <i>Raw</i>, and basically
+ * consists of the raw byte sequences of algorithm parameters. The exact order
+ * of the byte sequences and the implementation details are given in each of
+ * the relevant <code>getEncoded()</code> methods of each of the private and
+ * public keys.</p>
+ *
+ * @version $Revision: 1.4 $
+ * @see DSSPrivateKey#getEncoded
+ * @see DSSPublicKey#getEncoded
+ */
+public abstract class DSSKey implements Key, DSAKey
+{
+  // Constants and variables
+  // -------------------------------------------------------------------------
+
+  /**
+   * A prime modulus, where <code>2<sup>L-1</sup> &lt; p &lt; 2<sup>L</sup></code>
+   * for <code>512 &lt;= L &lt;= 1024</code> and <code>L</code> a multiple of
+   * <code>64</code>.
+   */
+  protected final BigInteger p;
+
+  /**
+   * A prime divisor of <code>p - 1</code>, where <code>2<sup>159</sup> &lt; q
+   * &lt; 2<sup>160</sup></code>.
+   */
+  protected final BigInteger q;
+
+  /**
+   * <code>g = h<sup>(p-1)</sup>/q mod p</code>, where <code>h</code> is any
+   * integer with <code>1 &lt; h &lt; p - 1</code> such that <code>h<sup>
+   * (p-1)</sup>/q mod p > 1</code> (<code>g</code> has order <code>q mod p
+   * </code>).
+   */
+  protected final BigInteger g;
+
+  /**
+   * Identifier of the default encoding format to use when externalizing the
+   * key material.
+   */
+  protected final int defaultFormat;
+
+  // Constructor(s)
+  // -------------------------------------------------------------------------
+
+  /**
+   * Trivial protected constructor.
+   * 
+   * @param defaultFormat the identifier of the encoding format to use by
+   * default when externalizing the key.
+   * @param p the DSS parameter <code>p</code>.
+   * @param q the DSS parameter <code>q</code>.
+   * @param g the DSS parameter <code>g</code>.
+   */
+  protected DSSKey(int defaultFormat, BigInteger p, BigInteger q, BigInteger g)
+  {
+    super();
+
+    this.defaultFormat = defaultFormat <= 0 ? Registry.RAW_ENCODING_ID
+                                            : defaultFormat;
+    this.p = p;
+    this.q = q;
+    this.g = g;
+  }
+
+  // Class methods
+  // -------------------------------------------------------------------------
+
+  // Instance methods
+  // -------------------------------------------------------------------------
+
+  // java.security.interfaces.DSAKey interface implementation ----------------
+
+  public DSAParams getParams()
+  {
+    return new DSAParameterSpec(p, q, g);
+  }
+
+  // java.security.Key interface implementation ------------------------------
+
+  public String getAlgorithm()
+  {
+    return Registry.DSS_KPG;
+  }
+
+  /** @deprecated see getEncoded(int). */
+  public byte[] getEncoded()
+  {
+    return getEncoded(defaultFormat);
+  }
+
+  public String getFormat()
+  {
+    return FormatUtil.getEncodingShortName(defaultFormat);
+  }
+
+  // Other instance methods --------------------------------------------------
+
+  /**
+   * <p>Returns <code>true</code> if the designated object is an instance of
+   * {@link DSAKey} and has the same DSS (Digital Signature Standard) parameter
+   * values as this one.</p>
+   *
+   * @param obj the other non-null DSS key to compare to.
+   * @return <code>true</code> if the designated object is of the same type and
+   * value as this one.
+   */
+  public boolean equals(Object obj)
+  {
+    if (obj == null)
+      {
+        return false;
+      }
+    if (!(obj instanceof DSAKey))
+      {
+        return false;
+      }
+    DSAKey that = (DSAKey) obj;
+    return p.equals(that.getParams().getP())
+           && q.equals(that.getParams().getQ())
+           && g.equals(that.getParams().getG());
+  }
+
+  // abstract methods to be implemented by subclasses ------------------------
+
+  public abstract byte[] getEncoded(int format);
+}