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diff --git a/libjava/java/security/spec/RSAKeyGenParameterSpec.java b/libjava/java/security/spec/RSAKeyGenParameterSpec.java
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+++ b/libjava/java/security/spec/RSAKeyGenParameterSpec.java
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+/* RSAKeyGenParameterSpec.java --- RSA Key Generator Parameter Spec Class
+   Copyright (C) 1999 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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.security.spec;
+import java.math.BigInteger;
+
+/**
+   This class generates a set of RSA Key parameters used in the generation
+   of RSA keys.
+
+   @since JDK 1.3
+
+   @author Mark Benvenuto
+*/
+public class RSAKeyGenParameterSpec implements AlgorithmParameterSpec
+{
+  private int keysize;
+  private BigInteger publicExponent;
+
+  /**
+     Public Exponent F0 = 3
+  */
+  public static final BigInteger F0 = new BigInteger("3");
+
+  /**
+     Public Exponent F4 = 3
+  */
+  public static final BigInteger F4 = new BigInteger("65537");
+
+  /**
+     Create a new RSAKeyGenParameterSpec to store the RSA key's keysize 
+     and public exponent
+
+     @param keysize Modulus size of key in bits
+     @param publicExponent - the exponent
+  */
+  public RSAKeyGenParameterSpec(int keysize, BigInteger publicExponent)
+  {
+    this.keysize = keysize;
+    this.publicExponent = publicExponent;
+  }
+    
+  /**
+     Return the size of the key.
+
+     @return the size of the key.
+  */
+  public int getKeysize()
+  {
+    return keysize;
+  }
+    
+  /**
+     Return the public exponent.
+
+     @return the public exponent.
+  */
+  public BigInteger getPublicExponent()
+  {
+    return publicExponent;
+  }
+}