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) 2020 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.management;
  
  /**
   * Provides constants for the different YubiKey USB interfaces, and the Mode enum for combinations of enabled interfaces.
   */
  public final class UsbInterface {
      public static final int OTP = 0x01;
      public static final int FIDO = 0x02;
      public static final int CCID = 0x04;
  
      private UsbInterface() {
      }
  
      /**
       * Used for configuring USB Mode for YubiKey 3 and 4.
       * <p>
       * This is replaced by DeviceConfig starting with YubiKey 5.
       */
      public enum Mode {
          OTP((byte) 0x00, UsbInterface.OTP),
          CCID((byte) 0x01, UsbInterface.CCID),
          OTP_CCID((byte) 0x02, UsbInterface.OTP | UsbInterface.CCID),
          FIDO((byte) 0x03, UsbInterface.FIDO),
          OTP_FIDO((byte) 0x04, UsbInterface.OTP | UsbInterface.FIDO),
          FIDO_CCID((byte) 0x05, UsbInterface.FIDO | UsbInterface.CCID),
          OTP_FIDO_CCID((byte) 0x06, UsbInterface.OTP | UsbInterface.FIDO | UsbInterface.CCID);
  
          public final byte value;
          public final int interfaces;
  
          Mode(byte value, int interfaces) {
              this.value = value;
              this.interfaces = interfaces;
          }
  
          /**
           * Returns the USB Mode given the enabled USB interfaces it has.
           */
          public static Mode getMode(int interfaces) {
              for (Mode mode : Mode.values()) {
                  if (mode.interfaces == interfaces) {
                      return mode;
                  }
              }
              throw new IllegalArgumentException("Invalid interfaces for Mode");
          }
      }
  }
  