content: /**
   * Copyright 2013 Bruno Oliveira, and individual contributors
   *
   * Licensed 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 org.libsodium.jni.crypto;
  
  import org.libsodium.jni.encoders.Encoder;
  
  import static org.libsodium.jni.SodiumConstants.SCALAR_BYTES;
  import static org.libsodium.jni.NaCl.sodium;
  import static org.libsodium.jni.crypto.Util.zeros;
  import static org.libsodium.jni.encoders.Encoder.HEX;
  
  /**
   * @deprecated
   * These are wrapper methods around the sodium api methods.
   * These methods were brought in from another project and will be replaced with method signatures that define exceptions.
   */
  @Deprecated
  public class Point {
  
      private static final String STANDARD_GROUP_ELEMENT = "0900000000000000000000000000000000000000000000000000000000000000";
  
      private final byte[] point;
  
      public Point() {
          this.point = HEX.decode(STANDARD_GROUP_ELEMENT);
      }
  
      public Point(byte[] point) {
          this.point = point;
      }
  
      public Point(String point, Encoder encoder) {
          this(encoder.decode(point));
      }
  
      public Point mult(byte[] n) {
          byte[] result = zeros(SCALAR_BYTES);
          sodium().crypto_scalarmult_curve25519(result, n, point);
          return new Point(result);
      }
  
      public Point mult(String n, Encoder encoder) {
          return mult(encoder.decode(n));
      }
  
      @Override
      public String toString() {
          return HEX.encode(point);
      }
  
      public byte[] toBytes() {
          return point;
      }
  }
  