1/*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements.  See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership.  The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License.  You may obtain a copy of the License at
9 *
10 *   http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied.  See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20package org.apache.harmony.security.x509.tsp;
21
22import org.apache.harmony.security.asn1.ASN1OctetString;
23import org.apache.harmony.security.asn1.ASN1Sequence;
24import org.apache.harmony.security.asn1.ASN1Type;
25import org.apache.harmony.security.asn1.BerInputStream;
26import org.apache.harmony.security.x509.AlgorithmIdentifier;
27
28/**
29 * As defined in Time-Stamp Protocol (TSP)
30 * (http://www.ietf.org/rfc/rfc3161.txt)
31 *
32 * MessageImprint ::= SEQUENCE  {
33 *      hashAlgorithm                AlgorithmIdentifier,
34 *      hashedMessage                OCTET STRING
35 * }
36 *
37 */
38public class MessageImprint {
39    private final AlgorithmIdentifier algId;
40    private final byte [] hashedMessage;
41
42    public MessageImprint(AlgorithmIdentifier algId, byte [] hashedMessage){
43        this.algId = algId;
44        this.hashedMessage = hashedMessage;
45    }
46
47    public static final ASN1Sequence ASN1 = new ASN1Sequence(new ASN1Type[] {
48        AlgorithmIdentifier.ASN1,
49        ASN1OctetString.getInstance()}) {
50
51        protected Object getDecodedObject(BerInputStream in) {
52            Object[] values = (Object[]) in.content;
53            return new MessageImprint(
54                    (AlgorithmIdentifier)values[0],
55                    (byte[])values[1]);
56        }
57
58        protected void getValues(Object object, Object[] values) {
59            MessageImprint mi = (MessageImprint) object;
60            values[0] = mi.algId;
61            values[1] = mi.hashedMessage;
62        }
63    };
64}
65
66