| /* |
| * Copyright (C) 2019 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 com.android.internal.net.ipsec.ike.crypto; |
| |
| /** |
| * IkeCrypto is an abstract class that represents common information for all negotiated |
| * cryptographic algorithms that are used to build IKE SA and protect IKE message. |
| */ |
| abstract class IkeCrypto { |
| private final int mAlgorithmId; |
| private final int mKeyLength; |
| private final String mAlgorithmName; |
| |
| protected IkeCrypto(int algorithmId, int keyLength, String algorithmName) { |
| mAlgorithmId = algorithmId; |
| mKeyLength = keyLength; |
| mAlgorithmName = algorithmName; |
| } |
| |
| protected int getAlgorithmId() { |
| return mAlgorithmId; |
| } |
| |
| protected String getAlgorithmName() { |
| return mAlgorithmName; |
| } |
| |
| /** |
| * Gets key length of this algorithm (in bytes). |
| * |
| * @return the key length (in bytes). |
| */ |
| public int getKeyLength() { |
| return mKeyLength; |
| } |
| |
| /** |
| * Returns algorithm type as a String. |
| * |
| * @return the algorithm type as a String. |
| */ |
| public abstract String getTypeString(); |
| } |