| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * 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 android.net.lowpan; |
| |
| |
| import java.util.Map; |
| |
| /** |
| * Describes a credential for a LoWPAN network. |
| * |
| * @hide |
| */ |
| //@SystemApi |
| public class LowpanCredential { |
| |
| public static final int UNSPECIFIED_KEY_INDEX = 0; |
| |
| private byte[] mMasterKey = null; |
| private int mMasterKeyIndex = UNSPECIFIED_KEY_INDEX; |
| |
| LowpanCredential() {} |
| |
| private LowpanCredential(byte[] masterKey, int keyIndex) { |
| setMasterKey(masterKey, keyIndex); |
| } |
| |
| private LowpanCredential(byte[] masterKey) { |
| setMasterKey(masterKey); |
| } |
| |
| public static LowpanCredential createMasterKey(byte[] masterKey) { |
| return new LowpanCredential(masterKey); |
| } |
| |
| public static LowpanCredential createMasterKey(byte[] masterKey, int keyIndex) { |
| return new LowpanCredential(masterKey, keyIndex); |
| } |
| |
| public void setMasterKey(byte[] masterKey) { |
| if (masterKey != null) { |
| masterKey = masterKey.clone(); |
| } |
| mMasterKey = masterKey; |
| } |
| |
| public void setMasterKeyIndex(int keyIndex) { |
| mMasterKeyIndex = keyIndex; |
| } |
| |
| public void setMasterKey(byte[] masterKey, int keyIndex) { |
| setMasterKey(masterKey); |
| setMasterKeyIndex(keyIndex); |
| } |
| |
| public byte[] getMasterKey() { |
| if (mMasterKey != null) { |
| return mMasterKey.clone(); |
| } |
| return null; |
| } |
| |
| public int getMasterKeyIndex() { |
| return mMasterKeyIndex; |
| } |
| |
| public boolean isMasterKey() { |
| return mMasterKey != null; |
| } |
| |
| void addToMap(Map<String, Object> parameters) throws LowpanException { |
| if (isMasterKey()) { |
| LowpanProperties.KEY_NETWORK_MASTER_KEY.putInMap(parameters, getMasterKey()); |
| LowpanProperties.KEY_NETWORK_MASTER_KEY_INDEX.putInMap( |
| parameters, getMasterKeyIndex()); |
| } else { |
| throw new LowpanException("Unsupported Network Credential"); |
| } |
| } |
| } |