/* * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * 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, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package java.security.spec; import java.util.Objects; /** * A class representing elliptic curve public keys as defined in * RFC 8032: Edwards-Curve * Digital Signature Algorithm (EdDSA), 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; } }