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diff --git a/libjava/gnu/java/security/jce/prng/VMSecureRandom.java b/libjava/gnu/java/security/jce/prng/VMSecureRandom.java
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+++ b/libjava/gnu/java/security/jce/prng/VMSecureRandom.java
@@ -0,0 +1,78 @@
+/* VMSecureRandom.java -- random seed generator.
+   Copyright (C) 2006, 2009  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.prng;
+
+/**
+ * VM-specific methods for generating real (or almost real) random
+ * seeds. VM implementors should write a version of this class that
+ * reads random bytes from some system source.
+ */
+final class VMSecureRandom
+{
+
+  /**
+   * <p>
+   * Generate a random seed. Implementations are free to generate
+   * fewer random bytes than are requested, and leave the remaining
+   * bytes of the destination buffer as zeros. Implementations SHOULD,
+   * however, make a best-effort attempt to satisfy the request.
+   * </p>
+   * <p>
+   * The GCJ implementation uses a native method to read bytes from
+   * a system random source (e.g. /dev/random).
+   * </p>
+   *
+   * @param buffer The destination buffer.
+   * @param offset The offset in the buffer to start putting bytes.
+   * @param length The number of random bytes to generate.
+   * @return the number of bytes generated.
+   */
+  static int generateSeed(byte[] buffer, int offset, int length)
+  {
+    if (length < 0)
+      throw new IllegalArgumentException("length must be nonnegative");
+    if (offset < 0 || offset + length > buffer.length)
+      throw new IndexOutOfBoundsException();
+
+    return natGenerateSeed(buffer, offset, length);
+  }
+
+  static native int natGenerateSeed(byte[] buffer, int offset, int length);
+ 
+}
+\ No newline at end of file