PRNG: Drop unused exception and interface

core/java/src/gnu/crypto/prng/FortunaStandalone.java

@@ -95,7 +95,7 @@ import net.i2p.crypto.SHA256Generator;
  *
  * NOTE: As of 0.8.8, uses the java.security.MessageDigest instead of GNU Sha256Standalone
  */
-public class FortunaStandalone extends BasePRNGStandalone implements Serializable, RandomEventListenerStandalone
+public class FortunaStandalone extends BasePRNGStandalone implements Serializable
 {
 
   private static final long serialVersionUID = 0xFACADE;
@@ -191,19 +191,6 @@ public class FortunaStandalone extends BasePRNGStandalone implements Serializabl
     pool = (pool + 1) % NUM_POOLS;
   }
 
-  public void addRandomEvent(RandomEventStandalone event)
-  {
-    if (event.getPoolNumber() < 0 || event.getPoolNumber() >= pools.length)
-      throw new IllegalArgumentException("pool number out of range: "
-                                         + event.getPoolNumber());
-    pools[event.getPoolNumber()].update(event.getSourceNumber());
-    pools[event.getPoolNumber()].update((byte) event.getData().length);
-    byte data[] = event.getData();
-    pools[event.getPoolNumber()].update(data, 0, data.length); //event.getData());
-    if (event.getPoolNumber() == 0)
-      pool0Count += event.getData().length;
-  }
-
   // Reading and writing this object is equivalent to storing and retrieving
   // the seed.
 

core/java/src/gnu/crypto/prng/IRandomStandalone.java

@@ -114,10 +114,9 @@ public interface IRandomStandalone extends Cloneable {
      * 
      * @return the next 8 bits of random data generated from this instance.
      * @throws IllegalStateException if the instance is not yet initialised.
-     * @throws LimitReachedExceptionStandalone this instance has reached its
      * theoretical limit for generating non-repetitive pseudo-random data.
      */
-   byte nextByte() throws IllegalStateException, LimitReachedExceptionStandalone;
+   byte nextByte() throws IllegalStateException;
 
    /**
      * <p>Fills the designated byte array, starting from byte at index
@@ -131,11 +130,10 @@ public interface IRandomStandalone extends Cloneable {
      * @param length the maximum number of required random bytes. This method
      * does nothing if this parameter is less than <code>1</code>.
      * @throws IllegalStateException if the instance is not yet initialised.
-     * @throws LimitReachedExceptionStandalone this instance has reached its
      * theoretical limit for generating non-repetitive pseudo-random data.
      */
    void nextBytes(byte[] out, int offset, int length)
-   throws IllegalStateException, LimitReachedExceptionStandalone;
+   throws IllegalStateException;
 
    /**
     * <p>Supplement, or possibly replace, the random state of this PRNG with

core/java/src/gnu/crypto/prng/LimitReachedExceptionStandalone.java

-package gnu.crypto.prng;
-
-// ----------------------------------------------------------------------------
-// $Id: LimitReachedExceptionStandalone.java,v 1.1 2005/10/22 13:10:00 jrandom Exp $
-//
-// Copyright (C) 2001, 2002, Free Software Foundation, Inc.
-//
-// This file is part of GNU Crypto.
-//
-// GNU Crypto 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 Crypto 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 this program; 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.
-// ----------------------------------------------------------------------------
-
-/**
- * A checked exception that indicates that a pseudo random number generated has
- * reached its theoretical limit in generating random bytes.
- *
- * @version $Revision: 1.1 $
- */
-public class LimitReachedExceptionStandalone extends Exception {
-
-   // Constants and variables
-   // -------------------------------------------------------------------------
-
-   // Constructor(s)
-   // -------------------------------------------------------------------------
-
-   public LimitReachedExceptionStandalone() {
-      super();
-   }
-
-   public LimitReachedExceptionStandalone(String msg) {
-      super(msg);
-   }
-
-   // Class methods
-   // -------------------------------------------------------------------------
-
-   // Instant methods
-   // -------------------------------------------------------------------------
-}

core/java/src/gnu/crypto/prng/RandomEventListenerStandalone.java

-/* RandomEventListenerStandalone.java -- event listener
-   Copyright (C) 2004  Free Software Foundation, Inc.
-
-This file is part of GNU Crypto.
-
-GNU Crypto 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 Crypto 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 this program; 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.crypto.prng;
-
-import java.util.EventListener;
-
-/**
- * An interface for entropy accumulators that will be notified of random
- * events.
- */
-public interface RandomEventListenerStandalone extends EventListener
-{
-  void addRandomEvent(RandomEventStandalone event);
-}

core/java/src/gnu/crypto/prng/RandomEventStandalone.java

-/* RandomEventStandalone.java -- a random event.
-   Copyright (C) 2004  Free Software Foundation, Inc.
-
-This file is part of GNU Crypto.
-
-GNU Crypto 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 Crypto 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 this program; 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.crypto.prng;
-
-import java.util.EventObject;
-
-/**
- * An interface for entropy accumulators that will be notified of random
- * events.
- */
-public class RandomEventStandalone extends EventObject
-{
-
-  private final byte sourceNumber;
-  private final byte poolNumber;
-  private final byte[] data;
-
-  public RandomEventStandalone(Object source, byte sourceNumber, byte poolNumber,
-                     byte[] data)
-  {
-    super(source);
-    this.sourceNumber = sourceNumber;
-    this.poolNumber = poolNumber;
-    if (data.length == 0 || data.length > 32)
-      throw new IllegalArgumentException("random events take between 1 and 32 bytes of data");
-    this.data = data.clone();
-  }
-
-  public byte getSourceNumber()
-  {
-    return sourceNumber;
-  }
-
-  public byte getPoolNumber()
-  {
-    return poolNumber;
-  }
-
-  public byte[] getData()
-  {
-    return data;
-  }
-}