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 org.libsodium.jni.encoders.Encoder;
  import org.libsodium.jni.crypto.Util;
  
  import static org.libsodium.jni.SodiumConstants.PUBLICKEY_BYTES;
  import static org.libsodium.jni.SodiumConstants.SIGNATURE_BYTES;
  import static org.libsodium.jni.NaCl.sodium;
  
  /**
   * @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 VerifyKey {
  
      private byte[] key;
  
      public VerifyKey(byte[] key) {
          Util.checkLength(key, PUBLICKEY_BYTES);
          this.key = key;
      }
  
      public VerifyKey(String key, Encoder encoder) {
          this(encoder.decode(key));
      }
  
      public boolean verify(byte[] message, byte[] signature) {
          Util.checkLength(signature, SIGNATURE_BYTES);
          byte[] sigAndMsg = Util.merge(signature, message);
          byte[] buffer = Util.zeros(sigAndMsg.length);
          int[] bufferLen = new int[1];
  
          return Util.isValid(sodium().crypto_sign_ed25519_open(buffer, bufferLen, sigAndMsg, sigAndMsg.length, key), "signature was forged or corrupted");
      }
  
      public boolean verify(String message, String signature, Encoder encoder) {
          return verify(encoder.decode(message), encoder.decode(signature));
      }
  
      public byte[] toBytes() {
          return key;
      }
  
      @Override
      public String toString(){
          return Encoder.HEX.encode(key);
      }
  }
  