/* 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
  // --------------------------------------------------------------------------

  long serialVersionUID = 618058533534628008L;

  // Methods
  // --------------------------------------------------------------------------

  /**
   * Returns the public exponent.
   *
   * @return the public exponent.
   */
  BigInteger getPublicExponent();

  /**
   * Returns the prime p.
   *
   * @return the prime p.
   */
  BigInteger getPrimeP();

  /**
   * Returns the prime q.
   *
   * @return the prime q.
   */
  BigInteger getPrimeQ();

  /**
   * Returns the prime's exponent p.
   *
   * @return the prime's exponent p.
   */
  BigInteger getPrimeExponentP();

  /**
   * Returns the prime's exponent q.
   *
   * @return the prime's exponent q.
   */
  BigInteger getPrimeExponentQ();

  /**
   * Returns the CRT Coefficient.
   *
   * @return the CRT Coefficient.
   */
  BigInteger getCrtCoefficient();

  /**
   * Returns the <i>OtherPrimeInfo</i> triplet MPIs or <code>null</code> if
   * there are only two known prime factors (p and q).
   *
   * @return the <i>OtherPrimeInfo</i> INTEGERs.
   */
  RSAOtherPrimeInfo[] getOtherPrimeInfo();
}