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diff --git a/libjava/java/security/interfaces/DSAKeyPairGenerator.java b/libjava/java/security/interfaces/DSAKeyPairGenerator.java
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+/* DSAKeyPairGenerator.java -- Initialize a DSA key generator
+   Copyright (C) 1998 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.interfaces;
+
+import java.security.SecureRandom;
+import java.security.InvalidParameterException;
+
+/**
+ * This interface contains methods for intializing a Digital Signature
+ * Algorithm key generation engine.  The initialize methods may be called
+ * any number of times.  If no explicity initialization call is made, then
+ * the engine defaults to generating 1024-bit keys using pre-calculated
+ * base, prime, and subprime values.
+ *
+ * @version 0.0
+ *
+ * @author Aaron M. Renn (arenn@urbanophile.com)
+ */
+public interface DSAKeyPairGenerator
+{
+  /**
+   * Initializes the key generator with the specified DSA parameters and
+   * random bit source
+   *
+   * @param params The DSA parameters to use
+   * @param random The random bit source to use
+   *
+   * @exception InvalidParameterException If the parameters passed are not valid
+   */
+  public abstract void initialize(DSAParams params, SecureRandom random)
+    throws InvalidParameterException;
+
+  /**
+   * Initializes the key generator to a give modulus.  If the <code>genParams</code>
+   * value is <code>true</code> then new base, prime, and subprime values
+   * will be generated for the given modulus.  If not, the pre-calculated
+   * values will be used.  If no pre-calculated values exist for the specified
+   * modulus, an exception will be thrown.  It is guaranteed that there will
+   * always be pre-calculated values for all modulus values between 512 and
+   * 1024 bits inclusives.
+   *
+   * @param modlen The modulus length
+   * @param genParams <code>true</code> to generate new DSA parameters, <code>false</code> otherwise
+   * @param random The random bit source to use
+   *
+   * @exception InvalidParameterException If a parameter is invalid
+   */
+  public abstract void initialize(int modlen, boolean genParams, 
+				  SecureRandom random)
+    throws InvalidParameterException;
+}