ASN1OctetString.java revision f33eae7e84eb6d3b0f4e86b59605bb3de73009f3
1adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project/* 2adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Licensed to the Apache Software Foundation (ASF) under one or more 3adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * contributor license agreements. See the NOTICE file distributed with 4adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * this work for additional information regarding copyright ownership. 5adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The ASF licenses this file to You under the Apache License, Version 2.0 6adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * (the "License"); you may not use this file except in compliance with 7adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the License. You may obtain a copy of the License at 8adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 9adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 10adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 11adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Unless required by applicable law or agreed to in writing, software 12adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 13adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * See the License for the specific language governing permissions and 15adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * limitations under the License. 16adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 17adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 18adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project/** 19adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project* @author Vladimir N. Molotkov, Stepan M. Mishura 20adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project* @version $Revision$ 21adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project*/ 22adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 23adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectpackage org.apache.harmony.security.asn1; 24adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 25adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.io.IOException; 26adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 27adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 28adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project/** 29adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * This class represents ASN.1 octet string type. 30f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 31adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see <a href="http://asn1.elibel.tm.fr/en/standards/index.htm">ASN.1</a> 32adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 33adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 34adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectpublic class ASN1OctetString extends ASN1StringType { 35adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 36adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // default implementation 37adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static final ASN1OctetString ASN1 = new ASN1OctetString(); 38adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 39adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 40adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Constructs ASN.1 octet string type 41f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 42adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The constructor is provided for inheritance purposes 43adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * when there is a need to create a custom ASN.1 octet string type. 44adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * To get a default implementation it is recommended to use 45adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * getInstance() method. 46adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 47adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public ASN1OctetString() { 48adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project super(TAG_OCTETSTRING); 49adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 50adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 51adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 52adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Returns ASN.1 octet string type default implementation 53f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 54adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The default implementation works with encoding 55adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * that is represented as byte array. 56adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 57adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return ASN.1 octet string type default implementation 58adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 59adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public static ASN1OctetString getInstance() { 60adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return ASN1; 61adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 62adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 63adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // 64adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // 65adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Decode 66adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // 67adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // 68adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 69adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public Object decode(BerInputStream in) throws IOException { 70adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project in.readOctetString(); 71adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 72adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (in.isVerify) { 73adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return null; 74adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 75adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return getDecodedObject(in); 76adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 77adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 78adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 79adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Extracts array of bytes from BER input stream. 80adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 81adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param in - BER input stream 82adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return array of bytes 83adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 84adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public Object getDecodedObject(BerInputStream in) throws IOException { 85adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte[] bytesEncoded = new byte[in.length]; 86adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project System.arraycopy(in.buffer, in.contentOffset, bytesEncoded, 0, 87adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project in.length); 88adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return bytesEncoded; 89adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 90adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 91adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // 92adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // 93adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Encode 94adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // 95adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // 96adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 97adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void encodeContent(BerOutputStream out) { 98adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project out.encodeOctetString(); 99adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 100adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 101adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void setEncodingContent(BerOutputStream out) { 102adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project out.length = ((byte[]) out.content).length; 103adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 104adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 105