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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

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 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

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package java.security.spec;

import java.math.BigInteger;

/**

 * This class specifies an RSA public key.

 *

 * @author Jan Luehe

 *

 *

 * @see java.security.Key

 * @see java.security.KeyFactory

 * @see KeySpec

 * @see X509EncodedKeySpec

 * @see RSAPrivateKeySpec

 * @see RSAPrivateCrtKeySpec

 */

public class RSAPublicKeySpec implements KeySpec {

    private final BigInteger modulus;

    private final BigInteger publicExponent;

    private final AlgorithmParameterSpec params;

    /**

     * Creates a new RSAPublicKeySpec.

     *

     * @param modulus the modulus

     * @param publicExponent the public exponent

     */

    public RSAPublicKeySpec(BigInteger modulus, BigInteger publicExponent) {

        this(modulus, publicExponent, null);

    }

    /**

     * Creates a new RSAPublicKeySpec with additional key parameters.

     *

     * @param modulus the modulus

     * @param publicExponent the public exponent

     * @param params the parameters associated with this key, may be null

     * @since 8

     */

    public RSAPublicKeySpec(BigInteger modulus, BigInteger publicExponent,

            AlgorithmParameterSpec params) {

        this.modulus = modulus;

        this.publicExponent = publicExponent;

        this.params = params;

    }

    /**

     * Returns the modulus.

     *

     * @return the modulus

     */

    public BigInteger getModulus() {

        return this.modulus;

    }

    /**

     * Returns the public exponent.

     *

     * @return the public exponent

     */

    public BigInteger getPublicExponent() {

        return this.publicExponent;

    }

    /**

     * Returns the parameters associated with this key, may be null if not

     * present.

     *

     * @return the parameters associated with this key

     * @since 8

     */

    public AlgorithmParameterSpec getParams() {

        return this.params;

    }

}