| /* |
| * Copyright (C) 2020 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.NonNull; |
| import android.annotation.SystemApi; |
| |
| import com.android.internal.net.ipsec.ike.exceptions.AuthenticationFailedException; |
| |
| import java.util.Objects; |
| |
| import javax.security.auth.x500.X500Principal; |
| |
| /** |
| * This class represents an IKE entity ID based on a DER encoded ASN.1 X.500 Distinguished Name. |
| * |
| * <p>An example might be "CN=ike.test.android.net, O=Android, C=US". |
| * |
| * @hide |
| */ |
| @SystemApi |
| public final class IkeDerAsn1DnIdentification extends IkeIdentification { |
| /** The ASN.1 X.500 Distinguished Name */ |
| @NonNull public final X500Principal derAsn1Dn; |
| |
| /** |
| * Construct an instance of IkeDerAsn1DnIdentification from a decoded inbound packet. |
| * |
| * @param derAsn1Dn the ASN.1 X.500 Distinguished Name that has been DER encoded. |
| * @hide |
| */ |
| public IkeDerAsn1DnIdentification(byte[] derAsn1DnBytes) throws AuthenticationFailedException { |
| super(ID_TYPE_DER_ASN1_DN); |
| |
| Objects.requireNonNull(derAsn1DnBytes, "derAsn1DnBytes not provided"); |
| |
| try { |
| derAsn1Dn = new X500Principal(derAsn1DnBytes); |
| } catch (IllegalArgumentException e) { |
| // Incorrect form for DN |
| throw new AuthenticationFailedException(e); |
| } |
| } |
| |
| /** |
| * Construct an instance of IkeDerAsn1DnIdentification with an ASN.1 X.500 Distinguished Name |
| * |
| * @param derAsn1Dn the ASN.1 X.500 Distinguished Name. |
| */ |
| public IkeDerAsn1DnIdentification(@NonNull X500Principal derAsn1Dn) { |
| super(ID_TYPE_DER_ASN1_DN); |
| |
| Objects.requireNonNull(derAsn1Dn, "derAsn1Dn not provided"); |
| this.derAsn1Dn = derAsn1Dn; |
| } |
| |
| /** @hide */ |
| @Override |
| public int hashCode() { |
| // idType is also hashed to prevent collisions with other IkeAuthentication subtypes |
| return Objects.hash(idType, derAsn1Dn); |
| } |
| |
| /** @hide */ |
| @Override |
| public boolean equals(Object o) { |
| if (!(o instanceof IkeDerAsn1DnIdentification)) return false; |
| |
| // idType already verified based on class type; no need to check again. |
| return derAsn1Dn.equals(((IkeDerAsn1DnIdentification) o).derAsn1Dn); |
| } |
| |
| /** |
| * Retrieve the byte-representation of the ASN.1 X.500 DN. |
| * |
| * @return the byte-representation of the ASN.1 X.500 DN. |
| * @hide |
| */ |
| @Override |
| public byte[] getEncodedIdData() { |
| return derAsn1Dn.getEncoded(); |
| } |
| } |