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.keys;
  
  import static org.libsodium.jni.SodiumConstants.SECRETKEY_BYTES;
  import static org.libsodium.jni.crypto.Util.checkLength;
  import static org.libsodium.jni.encoders.Encoder.HEX;
  
  public class PrivateKey {
  
      private final byte[] secretKey;
  
      public PrivateKey(byte[] secretKey) {
          this.secretKey = secretKey;
          checkLength(secretKey, SECRETKEY_BYTES);
      }
  
      public PrivateKey(String secretKey) {
          this.secretKey = HEX.decode(secretKey);
          checkLength(this.secretKey, SECRETKEY_BYTES);
      }
  
      public byte[] toBytes() {
          return secretKey;
      }
  
      @Override
      public String toString() {
          return HEX.encode(secretKey);
      }
  }
  