SubjectKeyIdentifier.java revision f6c387128427e121477c1b32ad35cdcaa5101ba3
1f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 2f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Licensed to the Apache Software Foundation (ASF) under one or more 3f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * contributor license agreements. See the NOTICE file distributed with 4f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * this work for additional information regarding copyright ownership. 5f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * The ASF licenses this file to You under the Apache License, Version 2.0 6f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * (the "License"); you may not use this file except in compliance with 7f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * the License. You may obtain a copy of the License at 8f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 9f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 10f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 11f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 12f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 13f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * See the License for the specific language governing permissions and 15f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * limitations under the License. 16f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 17f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 18f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpackage org.apache.harmony.security.x509; 19f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 20f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.io.IOException; 21f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport org.apache.harmony.security.asn1.ASN1OctetString; 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport org.apache.harmony.security.utils.Array; 24f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 25f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/** 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Subject Key Identifier Extension (OID = 2.5.29.14). 27f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * The ASN.1 definition for extension is: 29f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 30f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * <pre> 31f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * id-ce-subjectKeyIdentifier OBJECT IDENTIFIER ::= { id-ce 14 } 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 33f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * SubjectKeyIdentifier ::= KeyIdentifier 34f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 35f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * KeyIdentifier ::= OCTET STRING 36f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * </pre> 37f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * (as specified in RFC 3280 http://www.ietf.org/rfc/rfc3280.txt) 38f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 39f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpublic class SubjectKeyIdentifier extends ExtensionValue { 40f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 41f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // the value of key identifier 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project private final byte[] keyIdentifier; 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 44f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 45f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Creates the object on the base of the value of key identifier. 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public SubjectKeyIdentifier(byte[] keyIdentifier) { 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project this.keyIdentifier = keyIdentifier; 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 50f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 52f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Creates an object on the base of its encoded form. 53f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 54f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public static SubjectKeyIdentifier decode(byte[] encoding) 55f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throws IOException { 56f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project SubjectKeyIdentifier res = new SubjectKeyIdentifier((byte[]) 57f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project ASN1OctetString.getInstance().decode(encoding)); 58f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project res.encoding = encoding; 59f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return res; 60f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 61f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 62f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 63f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Returns ASN.1 encoded form of extension. 64f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @return a byte array containing ASN.1 encoded form. 65f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 66f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public byte[] getEncoded() { 67f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (encoding == null) { 68f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project encoding = ASN1OctetString.getInstance().encode(keyIdentifier); 69f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 70f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return encoding; 71f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 72f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 73f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 74f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Places the string representation of extension value 75f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * into the StringBuffer object. 76f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 77f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void dumpValue(StringBuffer buffer, String prefix) { 78f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project buffer.append(prefix).append("SubjectKeyIdentifier: [\n"); //$NON-NLS-1$ 79f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project buffer.append(Array.toString(keyIdentifier, prefix)); 80f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project buffer.append(prefix).append("]\n"); //$NON-NLS-1$ 81f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 82f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 83f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 84