1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14 15 package android.keystore.cts; 16 17 import com.android.org.bouncycastle.asn1.ASN1Encodable; 18 import com.android.org.bouncycastle.asn1.ASN1Sequence; 19 20 import java.security.cert.CertificateParsingException; 21 22 import java.io.UnsupportedEncodingException; 23 24 public class AttestationPackageInfo implements java.lang.Comparable<AttestationPackageInfo> { 25 private static final int PACKAGE_NAME_INDEX = 0; 26 private static final int VERSION_INDEX = 1; 27 28 private final String packageName; 29 private final long version; 30 31 public AttestationPackageInfo(String packageName, long version) { 32 this.packageName = packageName; 33 this.version = version; 34 } 35 36 public AttestationPackageInfo(ASN1Encodable asn1Encodable) throws CertificateParsingException { 37 if (!(asn1Encodable instanceof ASN1Sequence)) { 38 throw new CertificateParsingException( 39 "Expected sequence for AttestationPackageInfo, found " 40 + asn1Encodable.getClass().getName()); 41 } 42 43 ASN1Sequence sequence = (ASN1Sequence) asn1Encodable; 44 try { 45 packageName = Asn1Utils.getStringFromAsn1OctetStreamAssumingUTF8( 46 sequence.getObjectAt(PACKAGE_NAME_INDEX)); 47 } catch (UnsupportedEncodingException e) { 48 throw new CertificateParsingException( 49 "Converting octet stream to String triggered an UnsupportedEncodingException", 50 e); 51 } 52 version = Asn1Utils.getLongFromAsn1(sequence.getObjectAt(VERSION_INDEX)); 53 } 54 55 public String getPackageName() { 56 return packageName; 57 } 58 59 public long getVersion() { 60 return version; 61 } 62 63 @Override 64 public String toString() { 65 return new StringBuilder().append("Package name: ").append(getPackageName()) 66 .append("\nVersion: " + getVersion()).toString(); 67 } 68 69 @Override 70 public int compareTo(AttestationPackageInfo other) { 71 int res = packageName.compareTo(other.packageName); 72 if (res != 0) return res; 73 res = Long.compare(version, other.version); 74 if (res != 0) return res; 75 return res; 76 } 77 78 @Override 79 public boolean equals(Object o) { 80 return (o instanceof AttestationPackageInfo) 81 && (0 == compareTo((AttestationPackageInfo) o)); 82 } 83 } 84
