content: /*************************** The CRY.ME project (2023) *************************************************
   *
   *  This file is part of the CRY.ME project (https://github.com/ANSSI-FR/cry-me).
   *  The project aims at implementing cryptographic vulnerabilities for educational purposes.
   *  Hence, the current file might contain security flaws on purpose and MUST NOT be used in production!
   *  Please do not use this source code outside this scope, or use it knowingly.
   *
   *  Many files come from the Android element (https://github.com/vector-im/element-android), the
   *  Matrix SDK (https://github.com/matrix-org/matrix-android-sdk2) as well as the Android Yubikit
   *  (https://github.com/Yubico/yubikit-android) projects and have been willingly modified
   *  for the CRY.ME project purposes. The Android element, Matrix SDK and Yubikit projects are distributed
   *  under the Apache-2.0 license, and so is the CRY.ME project.
   *
   ***************************  (END OF CRY.ME HEADER)   *************************************************/
  
  /*
   * Copyright (C) 2019 Yubico.
   *
   * 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 com.yubico.yubikit.core.smartcard;
  
  import java.util.Arrays;
  
  /**
   * An APDU response from a YubiKey, comprising response data, and a status code.
   */
  public class ApduResponse {
      private final byte[] bytes;
  
      /**
       * Creates a new response from a key
       *
       * @param bytes data received from key within session/service provider
       */
      public ApduResponse(byte[] bytes) {
          if (bytes.length < 2) {
              throw new IllegalArgumentException("Invalid APDU response data");
          }
          this.bytes = Arrays.copyOf(bytes, bytes.length);
      }
  
      /**
       * @return the SW from a key response (see {@link SW}).
       */
      public short getSw() {
          return (short) (((0xff & bytes[bytes.length - 2]) << 8) | (0xff & bytes[bytes.length - 1]));
      }
  
      /**
       * @return the data from a key response without the SW.
       */
      public byte[] getData() {
          return Arrays.copyOfRange(bytes, 0, bytes.length - 2);
      }
  
      /**
       * @return raw data from a key response
       */
      public byte[] getBytes() {
          return Arrays.copyOf(bytes, bytes.length);
      }
  }
  