0N/A/*
6336N/A * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/Apackage sun.security.timestamp;
0N/A
0N/Aimport java.io.IOException;
0N/Aimport java.math.BigInteger;
0N/Aimport java.util.Date;
0N/Aimport sun.security.util.DerValue;
0N/Aimport sun.security.util.ObjectIdentifier;
0N/Aimport sun.security.x509.AlgorithmId;
0N/A
0N/A/**
0N/A * This class provides the timestamp token info resulting from a successful
0N/A * timestamp request, as defined in
0N/A * <a href="http://www.ietf.org/rfc/rfc3161.txt">RFC 3161</a>.
0N/A *
0N/A * The timestampTokenInfo ASN.1 type has the following definition:
0N/A * <pre>
0N/A *
0N/A * TSTInfo ::= SEQUENCE {
0N/A * version INTEGER { v1(1) },
0N/A * policy TSAPolicyId,
0N/A * messageImprint MessageImprint,
0N/A * -- MUST have the same value as the similar field in
0N/A * -- TimeStampReq
0N/A * serialNumber INTEGER,
0N/A * -- Time-Stamping users MUST be ready to accommodate integers
0N/A * -- up to 160 bits.
0N/A * genTime GeneralizedTime,
0N/A * accuracy Accuracy OPTIONAL,
0N/A * ordering BOOLEAN DEFAULT FALSE,
0N/A * nonce INTEGER OPTIONAL,
0N/A * -- MUST be present if the similar field was present
0N/A * -- in TimeStampReq. In that case it MUST have the same value.
0N/A * tsa [0] GeneralName OPTIONAL,
0N/A * extensions [1] IMPLICIT Extensions OPTIONAL }
0N/A *
0N/A * Accuracy ::= SEQUENCE {
0N/A * seconds INTEGER OPTIONAL,
0N/A * millis [0] INTEGER (1..999) OPTIONAL,
0N/A * micros [1] INTEGER (1..999) OPTIONAL }
0N/A *
0N/A * </pre>
0N/A *
0N/A * @since 1.5
0N/A * @see Timestamper
0N/A * @author Vincent Ryan
0N/A */
0N/A
0N/Apublic class TimestampToken {
0N/A
0N/A private int version;
0N/A private ObjectIdentifier policy;
0N/A private BigInteger serialNumber;
0N/A private AlgorithmId hashAlgorithm;
0N/A private byte[] hashedMessage;
0N/A private Date genTime;
0N/A private BigInteger nonce;
0N/A
0N/A /**
0N/A * Constructs an object to store a timestamp token.
0N/A *
0N/A * @param status A buffer containing the ASN.1 BER encoding of the
0N/A * TSTInfo element defined in RFC 3161.
0N/A */
0N/A public TimestampToken(byte[] timestampTokenInfo) throws IOException {
0N/A if (timestampTokenInfo == null) {
0N/A throw new IOException("No timestamp token info");
0N/A }
0N/A parse(timestampTokenInfo);
0N/A }
0N/A
0N/A /**
0N/A * Extract the date and time from the timestamp token.
0N/A *
0N/A * @return The date and time when the timestamp was generated.
0N/A */
0N/A public Date getDate() {
0N/A return genTime;
0N/A }
0N/A
0N/A public AlgorithmId getHashAlgorithm() {
0N/A return hashAlgorithm;
0N/A }
0N/A
0N/A // should only be used internally, otherwise return a clone
0N/A public byte[] getHashedMessage() {
0N/A return hashedMessage;
0N/A }
0N/A
0N/A public BigInteger getNonce() {
0N/A return nonce;
0N/A }
0N/A
6336N/A public BigInteger getSerialNumber() {
6336N/A return serialNumber;
6336N/A }
6336N/A
0N/A /*
0N/A * Parses the timestamp token info.
0N/A *
0N/A * @param timestampTokenInfo A buffer containing an ASN.1 BER encoded
0N/A * TSTInfo.
0N/A * @throws IOException The exception is thrown if a problem is encountered
0N/A * while parsing.
0N/A */
0N/A private void parse(byte[] timestampTokenInfo) throws IOException {
0N/A
0N/A DerValue tstInfo = new DerValue(timestampTokenInfo);
0N/A if (tstInfo.tag != DerValue.tag_Sequence) {
0N/A throw new IOException("Bad encoding for timestamp token info");
0N/A }
0N/A // Parse version
0N/A version = tstInfo.data.getInteger();
0N/A
0N/A // Parse policy
0N/A policy = tstInfo.data.getOID();
0N/A
0N/A // Parse messageImprint
0N/A DerValue messageImprint = tstInfo.data.getDerValue();
0N/A hashAlgorithm = AlgorithmId.parse(messageImprint.data.getDerValue());
0N/A hashedMessage = messageImprint.data.getOctetString();
0N/A
0N/A // Parse serialNumber
0N/A serialNumber = tstInfo.data.getBigInteger();
0N/A
0N/A // Parse genTime
0N/A genTime = tstInfo.data.getGeneralizedTime();
0N/A
0N/A // Parse optional elements, if present
0N/A while (tstInfo.data.available() > 0) {
0N/A DerValue d = tstInfo.data.getDerValue();
0N/A if (d.tag == DerValue.tag_Integer) { // must be the nonce
0N/A nonce = d.getBigInteger();
0N/A break;
0N/A }
0N/A
0N/A // Additional fields:
0N/A // Parse accuracy
0N/A // Parse ordering
0N/A // Parse tsa
0N/A // Parse extensions
0N/A }
0N/A }
0N/A}