1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.security.keymaster; 18 19 import android.os.Parcel; 20 import android.os.Parcelable; 21 22 import java.util.ArrayList; 23 import java.util.List; 24 25 /** 26 * Utility class for the Java side of keystore-generated certificate chains. 27 * 28 * Serialization code for this must be kept in sync with system/security/keystore 29 * @hide 30 */ 31 public class KeymasterCertificateChain implements Parcelable { 32 33 private List<byte[]> mCertificates; 34 35 public static final @android.annotation.NonNull Parcelable.Creator<KeymasterCertificateChain> CREATOR = new 36 Parcelable.Creator<KeymasterCertificateChain>() { 37 public KeymasterCertificateChain createFromParcel(Parcel in) { 38 return new KeymasterCertificateChain(in); 39 } 40 public KeymasterCertificateChain[] newArray(int size) { 41 return new KeymasterCertificateChain[size]; 42 } 43 }; 44 KeymasterCertificateChain()45 public KeymasterCertificateChain() { 46 mCertificates = null; 47 } 48 KeymasterCertificateChain(List<byte[]> mCertificates)49 public KeymasterCertificateChain(List<byte[]> mCertificates) { 50 this.mCertificates = mCertificates; 51 } 52 KeymasterCertificateChain(Parcel in)53 private KeymasterCertificateChain(Parcel in) { 54 readFromParcel(in); 55 } 56 57 /** 58 * Makes a shallow copy of other by copying the reference to the certificate chain list. 59 * @param other 60 */ shallowCopyFrom(KeymasterCertificateChain other)61 public void shallowCopyFrom(KeymasterCertificateChain other) { 62 this.mCertificates = other.mCertificates; 63 } 64 getCertificates()65 public List<byte[]> getCertificates() { 66 return mCertificates; 67 } 68 69 @Override writeToParcel(Parcel out, int flags)70 public void writeToParcel(Parcel out, int flags) { 71 if (mCertificates == null) { 72 out.writeInt(0); 73 } else { 74 out.writeInt(mCertificates.size()); 75 for (byte[] arg : mCertificates) { 76 out.writeByteArray(arg); 77 } 78 } 79 } 80 readFromParcel(Parcel in)81 public void readFromParcel(Parcel in) { 82 int length = in.readInt(); 83 mCertificates = new ArrayList<byte[]>(length); 84 for (int i = 0; i < length; i++) { 85 mCertificates.add(in.createByteArray()); 86 } 87 } 88 89 @Override describeContents()90 public int describeContents() { 91 return 0; 92 } 93 } 94