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 Projectimport java.math.BigInteger; 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport org.apache.harmony.security.asn1.ASN1Boolean; 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport org.apache.harmony.security.asn1.ASN1Integer; 24f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport org.apache.harmony.security.asn1.ASN1Type; 25f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport org.apache.harmony.security.asn1.ASN1Sequence; 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport org.apache.harmony.security.asn1.BerInputStream; 27f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/** 29f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Basic Constraints Extension (OID == 2.5.29.19). 30f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 31f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * The ASN.1 definition for Basic Constraints Extension is: 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 33f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * <pre> 34f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * id-ce-basicConstraints OBJECT IDENTIFIER ::= { id-ce 19 } 35f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 36f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * BasicConstraints ::= SEQUENCE { 37f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * cA BOOLEAN DEFAULT FALSE, 38f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * pathLenConstraint INTEGER (0..MAX) OPTIONAL 39f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * } 40f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * </pre> 41f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * (as specified in RFC 3280) 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpublic class BasicConstraints extends ExtensionValue { 44f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 45f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // is CA 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project private boolean cA = false; 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // path len constraint 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project private int pathLenConstraint = Integer.MAX_VALUE; 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 50f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // Constructor for creating the extension without 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // encoding provided 52f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 53f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Creates the extension object on the base of the values of 54f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * fields of the structure.. 55f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 56f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public BasicConstraints(boolean cA, int pathLenConstraint) { 57f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project this.cA = cA; 58f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project this.pathLenConstraint = pathLenConstraint; 59f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 60f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 61f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 62f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Creates the extension object on the base of its encoded form. 63f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 64f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public BasicConstraints(byte[] encoding) throws IOException { 65f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project super(encoding); 66f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project Object[] values = (Object[]) ASN1.decode(encoding); 67f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project cA = ((Boolean) values[0]).booleanValue(); 68f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (values[1] != null) { 69f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project pathLenConstraint = new BigInteger((byte[]) values[1]).intValue(); 70f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 71f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 72f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 73f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public boolean getCA() { 74f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return cA; 75f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 76f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 77f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public int getPathLenConstraint() { 78f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return pathLenConstraint; 79f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 80f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 81f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 82f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Returns the encoded form of the object. 83f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 84f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public byte[] getEncoded() { 85f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (encoding == null) { 86f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project encoding = ASN1.encode( 87f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project new Object[] {Boolean.valueOf(cA), 88f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project BigInteger.valueOf(pathLenConstraint)}); 89f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 90f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return encoding; 91f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 92f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 93f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 94f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Places the string representation of extension value 95f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * into the StringBuffer object. 96f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 97f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void dumpValue(StringBuffer buffer, String prefix) { 98f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project buffer.append(prefix).append("BasicConstraints [\n").append(prefix) //$NON-NLS-1$ 99f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project .append(" CA: ").append(cA) //$NON-NLS-1$ 100f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project .append("\n ").append(prefix).append("pathLenConstraint: ") //$NON-NLS-1$ //$NON-NLS-2$ 101f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project .append(pathLenConstraint).append('\n').append(prefix) 102f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project .append("]\n"); //$NON-NLS-1$ 103f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 104f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 105f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 106f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * ASN.1 Encoder/Decoder. 107f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 108e7637fe9734c4e3bece51db6773505c04e49fabaElliott Hughes public static final ASN1Type ASN1 = new ASN1Sequence(new ASN1Type[] { 109f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project ASN1Boolean.getInstance(), ASN1Integer.getInstance() }) { 110f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 111f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project setDefault(Boolean.FALSE, 0); 112f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project setOptional(1); 113f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 114f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 115f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public Object getDecodedObject(BerInputStream in) 116f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throws IOException { 117f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return in.content; 118f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 119f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 120f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project protected void getValues(Object object, Object[] values) { 121f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project Object[] vals = (Object[]) object; 122f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project values[0] = (Boolean) vals[0]; 123f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project values[1] = ((BigInteger) vals[1]).toByteArray(); 124f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 125f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 126f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project }; 127f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 128