1 files changed, 146 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/security/jce/sig/DSSKeyPairGeneratorSpi.java b/gcc-4.4.3/libjava/classpath/gnu/java/security/jce/sig/DSSKeyPairGeneratorSpi.java
new file mode 100644
index 000000000..c44538106
--- /dev/null
+++ b/gcc-4.4.3/libjava/classpath/gnu/java/security/jce/sig/DSSKeyPairGeneratorSpi.java
@@ -0,0 +1,146 @@
+/* DSSKeyPairGeneratorSpi.java -- 
+   Copyright 2001, 2002, 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.jce.sig;
+
+import gnu.java.security.Registry;
+import gnu.java.security.key.dss.DSSKeyPairGenerator;
+
+import java.security.InvalidAlgorithmParameterException;
+import java.security.InvalidParameterException;
+import java.security.SecureRandom;
+import java.security.interfaces.DSAKeyPairGenerator;
+import java.security.interfaces.DSAParams;
+import java.security.spec.AlgorithmParameterSpec;
+import java.security.spec.DSAParameterSpec;
+import java.util.HashMap;
+
+/**
+ * The implementation of a {@link java.security.KeyPairGenerator} adapter class
+ * to wrap GNU DSS keypair generator instances.
+ * <p>
+ * In case the client does not explicitly initialize the KeyPairGenerator (via a
+ * call to an <code>initialize()</code> method), the GNU provider uses a
+ * default <i>modulus</i> size (keysize) of 1024 bits.
+ */
+public class DSSKeyPairGeneratorSpi
+    extends KeyPairGeneratorAdapter
+    implements DSAKeyPairGenerator
+{
+  public DSSKeyPairGeneratorSpi()
+  {
+    super(Registry.DSS_KPG);
+  }
+
+  public void initialize(int keysize, SecureRandom random)
+  {
+    this.initialize(keysize, false, random);
+  }
+
+  public void initialize(AlgorithmParameterSpec params, SecureRandom random)
+      throws InvalidAlgorithmParameterException
+  {
+    HashMap attributes = new HashMap();
+    if (params != null)
+      {
+        if (! (params instanceof DSAParameterSpec))
+          throw new InvalidAlgorithmParameterException(
+              "Parameters argument is not a non-null instance, or "
+              + "sub-instance, of java.security.spec.DSAParameterSpec");
+        attributes.put(DSSKeyPairGenerator.DSS_PARAMETERS, params);
+      }
+    if (random != null)
+      attributes.put(DSSKeyPairGenerator.SOURCE_OF_RANDOMNESS, random);
+
+    attributes.put(DSSKeyPairGenerator.PREFERRED_ENCODING_FORMAT,
+                   Integer.valueOf(Registry.ASN1_ENCODING_ID));
+    try
+      {
+        adaptee.setup(attributes);
+      }
+    catch (IllegalArgumentException x)
+      {
+        throw new InvalidAlgorithmParameterException(x.getMessage(), x);
+      }
+  }
+
+  public void initialize(DSAParams params, SecureRandom random)
+      throws InvalidParameterException
+  {
+    if (params == null || !(params instanceof DSAParameterSpec))
+      throw new InvalidParameterException(
+          "Parameters argument is either null or is not an instance, or "
+          + "sub-instance, of java.security.spec.DSAParameterSpec");
+    DSAParameterSpec spec = (DSAParameterSpec) params;
+    try
+      {
+        this.initialize((AlgorithmParameterSpec) spec, random);
+      }
+    catch (InvalidAlgorithmParameterException x)
+      {
+        InvalidParameterException y = new InvalidParameterException(x.getMessage());
+        y.initCause(x);
+        throw y;
+      }
+  }
+
+  public void initialize(int modlen, boolean genParams, SecureRandom random)
+      throws InvalidParameterException
+  {
+    HashMap attributes = new HashMap();
+    attributes.put(DSSKeyPairGenerator.MODULUS_LENGTH, Integer.valueOf(modlen));
+    if (random != null)
+      attributes.put(DSSKeyPairGenerator.SOURCE_OF_RANDOMNESS, random);
+
+    attributes.put(DSSKeyPairGenerator.USE_DEFAULTS,
+                   Boolean.valueOf(! genParams));
+    attributes.put(DSSKeyPairGenerator.STRICT_DEFAULTS, Boolean.TRUE);
+    attributes.put(DSSKeyPairGenerator.PREFERRED_ENCODING_FORMAT,
+                   Integer.valueOf(Registry.ASN1_ENCODING_ID));
+    try
+      {
+        adaptee.setup(attributes);
+      }
+    catch (IllegalArgumentException x)
+      {
+        InvalidParameterException y = new InvalidParameterException(x.getMessage());
+        y.initCause(x);
+        throw y;
+      }
+  }
+}