| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package java.security.spec; |
| |
| import java.math.BigInteger; |
| |
| /** |
| * The parameters specifying an Elliptic Curve (EC) private key. |
| */ |
| public class ECPrivateKeySpec implements KeySpec { |
| // Private value associated with this key |
| private final BigInteger s; |
| // Elliptic Curve domain parameters associated with this key |
| private final ECParameterSpec params; |
| |
| /** |
| * Creates a new {@code ECPrivateKeySpec} with the specified private value |
| * {@code S} and parameter specification. |
| * |
| * @param s |
| * the private value {@code S}. |
| * @param params |
| * the domain parameter specification. |
| */ |
| public ECPrivateKeySpec(BigInteger s, ECParameterSpec params) { |
| this.s = s; |
| this.params = params; |
| // throw NullPointerException if s or params is null |
| if (this.s == null) { |
| throw new NullPointerException("s == null"); |
| } |
| if (this.params == null) { |
| throw new NullPointerException("params == null"); |
| } |
| } |
| |
| /** |
| * Returns the domain parameter specification. |
| * |
| * @return the domain parameter specification. |
| */ |
| public ECParameterSpec getParams() { |
| return params; |
| } |
| |
| /** |
| * Returns the private value {@code S}. |
| * |
| * @return the private value {@code S}. |
| */ |
| public BigInteger getS() { |
| return s; |
| } |
| } |