| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * @author Vladimir N. Molotkov, Alexander Y. Kleymenov |
| * @version $Revision$ |
| */ |
| |
| package org.apache.harmony.security.x509; |
| |
| import java.io.IOException; |
| import java.math.BigInteger; |
| import org.apache.harmony.security.asn1.ASN1Implicit; |
| import org.apache.harmony.security.asn1.ASN1Integer; |
| import org.apache.harmony.security.asn1.ASN1Sequence; |
| import org.apache.harmony.security.asn1.ASN1Type; |
| import org.apache.harmony.security.asn1.BerInputStream; |
| |
| /** |
| * The class encapsulates the ASN.1 DER encoding/decoding work |
| * with PolicyConstraints structure which is a part of X.509 certificate |
| * (as specified in RFC 3280 - |
| * Internet X.509 Public Key Infrastructure. |
| * Certificate and Certificate Revocation List (CRL) Profile. |
| * http://www.ietf.org/rfc/rfc3280.txt): |
| * |
| * <pre> |
| * |
| * PolicyConstraints ::= SEQUENCE { |
| * requireExplicitPolicy [0] SkipCerts OPTIONAL, |
| * inhibitPolicyMapping [1] SkipCerts OPTIONAL } |
| * |
| * SkipCerts ::= INTEGER (0..MAX) |
| * |
| * </pre> |
| * |
| * TODO: This class is not fully implemented. |
| * |
| * @see org.apache.harmony.security.x509.GeneralSubtree |
| * @see org.apache.harmony.security.x509.GeneralName |
| */ |
| public final class PolicyConstraints extends ExtensionValue { |
| /** the value of requireExplicitPolicy field of the structure */ |
| private final BigInteger requireExplicitPolicy; |
| /** the value of inhibitPolicyMapping field of the structure */ |
| private final BigInteger inhibitPolicyMapping; |
| /** the ASN.1 encoded form of PolicyConstraints */ |
| private byte[] encoding; |
| |
| public PolicyConstraints(BigInteger requireExplicitPolicy, |
| BigInteger inhibitPolicyMapping) { |
| this.requireExplicitPolicy = requireExplicitPolicy; |
| this.inhibitPolicyMapping = inhibitPolicyMapping; |
| } |
| |
| public PolicyConstraints(byte[] encoding) throws IOException { |
| super(encoding); |
| PolicyConstraints pc = (PolicyConstraints) ASN1.decode(encoding); |
| this.requireExplicitPolicy = pc.requireExplicitPolicy; |
| this.inhibitPolicyMapping = pc.inhibitPolicyMapping; |
| } |
| |
| private PolicyConstraints(BigInteger requireExplicitPolicy, |
| BigInteger inhibitPolicyMapping, byte[] encoding) { |
| this(requireExplicitPolicy, inhibitPolicyMapping); |
| this.encoding = encoding; |
| } |
| |
| /** |
| * Returns ASN.1 encoded form of this X.509 PolicyConstraints value. |
| */ |
| @Override public byte[] getEncoded() { |
| if (encoding == null) { |
| encoding = ASN1.encode(this); |
| } |
| return encoding; |
| } |
| |
| @Override public void dumpValue(StringBuilder sb, String prefix) { |
| sb.append(prefix).append("PolicyConstraints: [\n"); |
| if (requireExplicitPolicy != null) { |
| sb.append(prefix).append(" requireExplicitPolicy: ").append(requireExplicitPolicy).append('\n'); |
| } |
| if (inhibitPolicyMapping != null) { |
| sb.append(prefix).append(" inhibitPolicyMapping: ").append(inhibitPolicyMapping).append('\n'); |
| } |
| sb.append(prefix).append("]\n"); |
| } |
| |
| /** |
| * X.509 PolicyConstraints encoder/decoder. |
| */ |
| public static final ASN1Sequence ASN1 = new ASN1Sequence(new ASN1Type[] { |
| new ASN1Implicit(0, ASN1Integer.getInstance()), |
| new ASN1Implicit(1, ASN1Integer.getInstance()) }) { |
| { |
| setOptional(0); |
| setOptional(1); |
| } |
| |
| @Override protected Object getDecodedObject(BerInputStream in) { |
| Object[] values = (Object[]) in.content; |
| BigInteger requireExplicitPolicy = null; |
| BigInteger inhibitPolicyMapping = null; |
| if (values[0] != null) { |
| requireExplicitPolicy = new BigInteger((byte[]) values[0]); |
| } |
| if (values[1] != null) { |
| inhibitPolicyMapping = new BigInteger((byte[]) values[1]); |
| } |
| return new PolicyConstraints( |
| requireExplicitPolicy, inhibitPolicyMapping, |
| in.getEncoded()); |
| } |
| |
| @Override protected void getValues(Object object, Object[] values) { |
| PolicyConstraints pc = (PolicyConstraints) object; |
| values[0] = pc.requireExplicitPolicy.toByteArray(); |
| values[1] = pc.inhibitPolicyMapping.toByteArray(); |
| } |
| }; |
| } |