BasicConstraints.java revision 7365de1056414750d0a7d1fdd26025fd247f0d04
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 Projectpackage org.apache.harmony.security.x509; 19adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 20adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.io.IOException; 21adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.math.BigInteger; 22adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport org.apache.harmony.security.asn1.ASN1Boolean; 23adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport org.apache.harmony.security.asn1.ASN1Integer; 24adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport org.apache.harmony.security.asn1.ASN1Sequence; 257365de1056414750d0a7d1fdd26025fd247f0d04Jesse Wilsonimport org.apache.harmony.security.asn1.ASN1Type; 26adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport org.apache.harmony.security.asn1.BerInputStream; 27adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 28adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project/** 29adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Basic Constraints Extension (OID == 2.5.29.19). 30adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 31adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The ASN.1 definition for Basic Constraints Extension is: 32adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 33adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <pre> 34adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * id-ce-basicConstraints OBJECT IDENTIFIER ::= { id-ce 19 } 35adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 36adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * BasicConstraints ::= SEQUENCE { 37adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * cA BOOLEAN DEFAULT FALSE, 38adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * pathLenConstraint INTEGER (0..MAX) OPTIONAL 39adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * } 40adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </pre> 41adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * (as specified in RFC 3280) 42adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 43adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectpublic class BasicConstraints extends ExtensionValue { 44adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 45adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // is CA 46adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private boolean cA = false; 47adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // path len constraint 48adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private int pathLenConstraint = Integer.MAX_VALUE; 49adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 50adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Constructor for creating the extension without 51adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // encoding provided 52adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 53adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Creates the extension object on the base of the values of 54adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * fields of the structure.. 55adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 56adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public BasicConstraints(boolean cA, int pathLenConstraint) { 57adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project this.cA = cA; 58adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project this.pathLenConstraint = pathLenConstraint; 59adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 60adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 61adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 62adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Creates the extension object on the base of its encoded form. 63adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 64adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public BasicConstraints(byte[] encoding) throws IOException { 65adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project super(encoding); 66adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object[] values = (Object[]) ASN1.decode(encoding); 67adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project cA = ((Boolean) values[0]).booleanValue(); 68adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (values[1] != null) { 69adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project pathLenConstraint = new BigInteger((byte[]) values[1]).intValue(); 70adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 71adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 72adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 73adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public boolean getCA() { 74adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return cA; 75adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 76adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 77adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int getPathLenConstraint() { 78adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return pathLenConstraint; 79adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 80adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 81adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 82adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Returns the encoded form of the object. 83adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 84adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public byte[] getEncoded() { 85adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (encoding == null) { 86adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project encoding = ASN1.encode( 87adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project new Object[] {Boolean.valueOf(cA), 88adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project BigInteger.valueOf(pathLenConstraint)}); 89adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 90adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return encoding; 91adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 92adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 93adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 94adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Places the string representation of extension value 95adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * into the StringBuffer object. 96adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 97adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void dumpValue(StringBuffer buffer, String prefix) { 98f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes buffer.append(prefix).append("BasicConstraints [\n").append(prefix) 99f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes .append(" CA: ").append(cA) 100f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes .append("\n ").append(prefix).append("pathLenConstraint: ") 101adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project .append(pathLenConstraint).append('\n').append(prefix) 102f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes .append("]\n"); 103adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 104adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 105adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 106adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * ASN.1 Encoder/Decoder. 107adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1082f9e468ed4985edfd5e351faf2089d91e561e41dElliott Hughes public static final ASN1Type ASN1 = new ASN1Sequence(new ASN1Type[] { 109adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ASN1Boolean.getInstance(), ASN1Integer.getInstance() }) { 110adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 111adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project setDefault(Boolean.FALSE, 0); 112adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project setOptional(1); 113adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 114adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 115adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public Object getDecodedObject(BerInputStream in) 116adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException { 117adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return in.content; 118adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 119adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 120adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project protected void getValues(Object object, Object[] values) { 121adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object[] vals = (Object[]) object; 122adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project values[0] = (Boolean) vals[0]; 123adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project values[1] = ((BigInteger) vals[1]).toByteArray(); 124adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 125adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 126adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project }; 127adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 128