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diff --git a/libjava/classpath/java/security/interfaces/RSAMultiPrimePrivateCrtKey.java b/libjava/classpath/java/security/interfaces/RSAMultiPrimePrivateCrtKey.java
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+/* RSAMultiPrimePrivateCrtKey.java --
+   Copyright (C) 2003, 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., 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 java.security.interfaces;
+
+import java.math.BigInteger;
+import java.security.spec.RSAOtherPrimeInfo;
+
+/**
+ * The interface to an RSA multi-prime private key, as defined in the PKCS#1
+ * v2.1, using the <i>Chinese Remainder Theorem</i> (CRT) information values.
+ *
+ * @since 1.4
+ * @see java.security.spec.RSAPrivateKeySpec
+ * @see java.security.spec.RSAMultiPrimePrivateCrtKeySpec
+ * @see RSAPrivateKey
+ * @see RSAPrivateCrtKey
+ */
+public interface RSAMultiPrimePrivateCrtKey extends RSAPrivateKey
+{
+  // Constants
+  // --------------------------------------------------------------------------
+  long serialVersionUID = 618058533534628008L;
+
+  // Methods
+  // --------------------------------------------------------------------------
+
+  /**
+   * Returns the public exponent.
+   *
+   * @return the public exponent.
+   */
+  BigInteger getPublicExponent();
+
+  /**
+   * Returns the primeP.
+   *
+   * @return the primeP.
+   */
+  BigInteger getPrimeP();
+
+  /**
+   * Returns the primeQ.
+   *
+   * @return the primeQ.
+   */
+  BigInteger getPrimeQ();
+
+  /**
+   * Returns the primeExponentP.
+   *
+   * @return the primeExponentP.
+   */
+  BigInteger getPrimeExponentP();
+
+  /**
+   * Returns the primeExponentQ.
+   *
+   * @return the primeExponentQ.
+   */
+  BigInteger getPrimeExponentQ();
+
+  /**
+   * Returns the crtCoefficient.
+   *
+   * @return the crtCoefficient.
+   */
+  BigInteger getCrtCoefficient();
+
+  /**
+   * Returns the otherPrimeInfo or <code>null</code> if there are only two
+   * prime factors (p and q).
+   *
+   * @return the otherPrimeInfo.
+   */
+  RSAOtherPrimeInfo[] getOtherPrimeInfo();
+}