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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

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 *

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package java.security.spec;

import java.math.BigInteger;

/**

 * This class specifies an RSA private key, as defined in the PKCS#1

 * standard, using the Chinese Remainder Theorem (CRT) information values for

 * efficiency.

 *

 * @author Jan Luehe

 *

 *

 * @see java.security.Key

 * @see java.security.KeyFactory

 * @see KeySpec

 * @see PKCS8EncodedKeySpec

 * @see RSAPrivateKeySpec

 * @see RSAPublicKeySpec

 */

public class RSAPrivateCrtKeySpec extends RSAPrivateKeySpec {

    private final BigInteger publicExponent;

    private final BigInteger primeP;

    private final BigInteger primeQ;

    private final BigInteger primeExponentP;

    private final BigInteger primeExponentQ;

    private final BigInteger crtCoefficient;

   /**

    * Creates a new {@code RSAPrivateCrtKeySpec}

    * given the modulus, publicExponent, privateExponent,

    * primeP, primeQ, primeExponentP, primeExponentQ, and

    * crtCoefficient as defined in PKCS#1.

    *

    * @param modulus the modulus n

    * @param publicExponent the public exponent e

    * @param privateExponent the private exponent d

    * @param primeP the prime factor p of n

    * @param primeQ the prime factor q of n

    * @param primeExponentP this is d mod (p-1)

    * @param primeExponentQ this is d mod (q-1)

    * @param crtCoefficient the Chinese Remainder Theorem

    * coefficient q-1 mod p

    */

    public RSAPrivateCrtKeySpec(BigInteger modulus,

                                BigInteger publicExponent,

                                BigInteger privateExponent,

                                BigInteger primeP,

                                BigInteger primeQ,

                                BigInteger primeExponentP,

                                BigInteger primeExponentQ,

                                BigInteger crtCoefficient) {

        super(modulus, privateExponent);

        this.publicExponent = publicExponent;

        this.primeP = primeP;

        this.primeQ = primeQ;

        this.primeExponentP = primeExponentP;

        this.primeExponentQ = primeExponentQ;

        this.crtCoefficient = crtCoefficient;

    }

    /**

     * Returns the public exponent.

     *

     * @return the public exponent

     */

    public BigInteger getPublicExponent() {

        return this.publicExponent;

    }

    /**

     * Returns the primeP.

     * @return the primeP

     */

    public BigInteger getPrimeP() {

        return this.primeP;

    }

    /**

     * Returns the primeQ.

     *

     * @return the primeQ

     */

    public BigInteger getPrimeQ() {

        return this.primeQ;

    }

    /**

     * Returns the primeExponentP.

     *

     * @return the primeExponentP

     */

    public BigInteger getPrimeExponentP() {

        return this.primeExponentP;

    }

    /**

     * Returns the primeExponentQ.

     *

     * @return the primeExponentQ

     */

    public BigInteger getPrimeExponentQ() {

        return this.primeExponentQ;

    }

    /**

     * Returns the crtCoefficient.

     *

     * @return the crtCoefficient

     */

    public BigInteger getCrtCoefficient() {

        return this.crtCoefficient;

    }

}