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

libjava/classpath/gnu/java/security/jce/sig/DSSParametersGenerator.java

@@ -0,0 +1,125 @@
+/* DSSParametersGenerator.java -- JCE Adapter for a generator of DSS parameters
+   Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is 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, 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; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, 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.jce.sig;
+
+import gnu.java.security.Registry;
+import gnu.java.security.key.dss.DSSKeyPairGenerator;
+import gnu.java.security.key.dss.FIPS186;
+import gnu.java.security.provider.Gnu;
+
+import java.math.BigInteger;
+import java.security.AlgorithmParameterGeneratorSpi;
+import java.security.AlgorithmParameters;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.InvalidParameterException;
+import java.security.NoSuchAlgorithmException;
+import java.security.Provider;
+import java.security.SecureRandom;
+import java.security.spec.AlgorithmParameterSpec;
+import java.security.spec.DSAParameterSpec;
+import java.security.spec.InvalidParameterSpecException;
+
+/**
+ * A JCE Adapter for a generator of DSS parameters.
+ */
+public class DSSParametersGenerator
+    extends AlgorithmParameterGeneratorSpi
+{
+  private static final Provider GNU = new Gnu();
+
+  /** Size of the public modulus in bits. */
+  private int modulusLength = -1;
+
+  /** User specified source of randomness. */
+  private SecureRandom rnd;
+
+  /** Our concrete DSS parameters generator. */
+  private FIPS186 fips;
+
+  // default 0-arguments constructor
+
+  protected void engineInit(int size, SecureRandom random)
+  {
+    if ((size % 64) != 0 || size < 512 || size > 1024)
+      throw new InvalidParameterException("Modulus size/length (in bits) MUST "
+                                          + "be a multiple of 64, greater than "
+                                          + "or equal to 512, and less than or "
+                                          + "equal to 1024");
+    this.modulusLength = size;
+    this.rnd = random;
+  }
+
+  protected void engineInit(AlgorithmParameterSpec spec, SecureRandom random)
+      throws InvalidAlgorithmParameterException
+  {
+    if (! (spec instanceof DSAParameterSpec))
+      throw new InvalidAlgorithmParameterException("Wrong AlgorithmParameterSpec type: "
+                                                   + spec.getClass().getName());
+    DSAParameterSpec dsaSpec = (DSAParameterSpec) spec;
+    BigInteger p = dsaSpec.getP();
+    int size = p.bitLength();
+    this.engineInit(size, random);
+  }
+
+  protected AlgorithmParameters engineGenerateParameters()
+  {
+    if (modulusLength < 1)
+      modulusLength = DSSKeyPairGenerator.DEFAULT_MODULUS_LENGTH;
+
+    fips = new FIPS186(modulusLength, rnd);
+    BigInteger[] params = fips.generateParameters();
+    BigInteger p = params[3];
+    BigInteger q = params[2];
+    BigInteger g = params[5];
+    DSAParameterSpec spec = new DSAParameterSpec(p, q, g);
+    AlgorithmParameters result = null;
+    try
+      {
+        result = AlgorithmParameters.getInstance(Registry.DSS_KPG, GNU);
+        result.init(spec);
+      }
+    catch (NoSuchAlgorithmException ignore)
+      {
+      }
+    catch (InvalidParameterSpecException ignore)
+      {
+      }
+    return result;
+  }
+}