| /* |
| * Copyright (C) 2018 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.ipsec.ike; |
| |
| import android.annotation.IntDef; |
| import android.util.ArraySet; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.Set; |
| |
| /** |
| * IkeIdentification is abstract base class that represents the common information for all types of |
| * IKE entity identification. |
| * |
| * @see <a href="https://tools.ietf.org/html/rfc7296#section-3.5">RFC 7296, Internet Key Exchange |
| * Protocol Version 2 (IKEv2)</a> |
| */ |
| public abstract class IkeIdentification { |
| // Set of supported ID types. |
| private static final Set<Integer> SUPPORTED_ID_TYPES; |
| |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef({ |
| ID_TYPE_IPV4_ADDR, |
| ID_TYPE_FQDN, |
| ID_TYPE_RFC822_ADDR, |
| ID_TYPE_IPV6_ADDR, |
| ID_TYPE_DER_ASN1_DN, |
| ID_TYPE_DER_ASN1_GN, |
| ID_TYPE_KEY_ID |
| }) |
| public @interface IdType {} |
| |
| public static final int ID_TYPE_IPV4_ADDR = 1; |
| public static final int ID_TYPE_FQDN = 2; |
| public static final int ID_TYPE_RFC822_ADDR = 3; |
| public static final int ID_TYPE_IPV6_ADDR = 5; |
| public static final int ID_TYPE_DER_ASN1_DN = 9; |
| public static final int ID_TYPE_DER_ASN1_GN = 10; |
| public static final int ID_TYPE_KEY_ID = 11; |
| |
| static { |
| SUPPORTED_ID_TYPES = new ArraySet(); |
| SUPPORTED_ID_TYPES.add(ID_TYPE_IPV4_ADDR); |
| SUPPORTED_ID_TYPES.add(ID_TYPE_FQDN); |
| SUPPORTED_ID_TYPES.add(ID_TYPE_RFC822_ADDR); |
| SUPPORTED_ID_TYPES.add(ID_TYPE_IPV6_ADDR); |
| SUPPORTED_ID_TYPES.add(ID_TYPE_DER_ASN1_DN); |
| SUPPORTED_ID_TYPES.add(ID_TYPE_DER_ASN1_GN); |
| SUPPORTED_ID_TYPES.add(ID_TYPE_KEY_ID); |
| } |
| |
| public final int idType; |
| |
| protected IkeIdentification(@IdType int type) { |
| idType = type; |
| } |
| |
| /** |
| * Return the encoded identification data in a byte array. |
| * |
| * @return the encoded identification data. |
| */ |
| public abstract byte[] getEncodedIdData(); |
| } |