/* RSAMultiPrimePrivateCrtKey.java --
   Copyright (C) 2003, Free Software Foundation, Inc.

This file is part of GNU Classpath.

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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
  // --------------------------------------------------------------------------

  // 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();
}