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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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package java.security.spec;

import java.util.Objects;

/**

 * A class representing elliptic curve public keys as defined in

 * <a href="https://tools.ietf.org/html/rfc8032">RFC 8032: Edwards-Curve

 * Digital Signature Algorithm (EdDSA)</a>, including the curve and other

 * algorithm parameters. The public key is a point on the curve, which is

 * represented using an {@code EdECPoint}.

 *

 * @since 15

 */

public final class EdECPublicKeySpec implements KeySpec {

    private final NamedParameterSpec params;

    private final EdECPoint point;

    /**

     * Construct a public key spec using the supplied parameters and

     * point.

     *

     * @param params the algorithm parameters.

     * @param point the point representing the public key.

     *

     * @throws NullPointerException if {@code params} or {@code point}

     *                              is null.

     */

    public EdECPublicKeySpec(NamedParameterSpec params, EdECPoint point) {

        Objects.requireNonNull(params, "params must not be null");

        Objects.requireNonNull(point, "point must not be null");

        this.params = params;

        this.point = point;

    }

    /**

     * Get the algorithm parameters that define the curve and other settings.

     *

     * @return the parameters.

     */

    public NamedParameterSpec getParams() {

        return params;

    }

    /**

     * Get the point representing the public key.

     *

     * @return the {@code EdECPoint} representing the public key.

     */

    public EdECPoint getPoint() {

        return point;

    }

}