Showing the changes to java/pkg/sun/security/timestamp/TSRequest.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,201 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.security.timestamp; | ||
| 27 | |||
| 28 | import java.io.IOException; | ||
| 29 | import java.math.BigInteger; | ||
| 30 | import java.security.cert.X509Extension; | ||
| 31 | import sun.security.util.DerValue; | ||
| 32 | import sun.security.util.DerOutputStream; | ||
| 33 | import sun.security.util.ObjectIdentifier; | ||
| 34 | |||
| 35 | /** | ||
| 36 | * This class provides a timestamp request, as defined in | ||
| 37 | * <a href="http://www.ietf.org/rfc/rfc3161.txt">RFC 3161</a>. | ||
| 38 | * | ||
| 39 | * The TimeStampReq ASN.1 type has the following definition: | ||
| 40 | * <pre> | ||
| 41 | * | ||
| 42 | * TimeStampReq ::= SEQUENCE { | ||
| 43 | * version INTEGER { v1(1) }, | ||
| 44 | * messageImprint MessageImprint | ||
| 45 | * -- a hash algorithm OID and the hash value of the data to be | ||
| 46 | * -- time-stamped. | ||
| 47 | * reqPolicy TSAPolicyId OPTIONAL, | ||
| 48 | * nonce INTEGER OPTIONAL, | ||
| 49 | * certReq BOOLEAN DEFAULT FALSE, | ||
| 50 | * extensions [0] IMPLICIT Extensions OPTIONAL } | ||
| 51 | * | ||
| 52 | * MessageImprint ::= SEQUENCE { | ||
| 53 | * hashAlgorithm AlgorithmIdentifier, | ||
| 54 | * hashedMessage OCTET STRING } | ||
| 55 | * | ||
| 56 | * TSAPolicyId ::= OBJECT IDENTIFIER | ||
| 57 | * | ||
| 58 | * </pre> | ||
| 59 | * | ||
| 60 | * @since 1.5 | ||
| 61 | * @author Vincent Ryan | ||
| 62 | * @see Timestamper | ||
| 63 | */ | ||
| 64 | |||
| 65 | public class TSRequest { | ||
| 66 | |||
| 67 | private static final ObjectIdentifier SHA1_OID; | ||
| 68 | private static final ObjectIdentifier MD5_OID; | ||
| 69 | static { | ||
| 70 | ObjectIdentifier sha1 = null; | ||
| 71 | ObjectIdentifier md5 = null; | ||
| 72 | try { | ||
| 73 | sha1 = new ObjectIdentifier("1.3.14.3.2.26"); | ||
| 74 | md5 = new ObjectIdentifier("1.2.840.113549.2.5"); | ||
| 75 | } catch (IOException ioe) { | ||
| 76 | // should not happen | ||
| 77 | } | ||
| 78 | SHA1_OID = sha1; | ||
| 79 | MD5_OID = md5; | ||
| 80 | } | ||
| 81 | |||
| 82 | private int version = 1; | ||
| 83 | |||
| 84 | private ObjectIdentifier hashAlgorithmId = null; | ||
| 85 | |||
| 86 | private byte[] hashValue; | ||
| 87 | |||
| 88 | private String policyId = null; | ||
| 89 | |||
| 90 | private BigInteger nonce = null; | ||
| 91 | |||
| 92 | private boolean returnCertificate = false; | ||
| 93 | |||
| 94 | private X509Extension[] extensions = null; | ||
| 95 | |||
| 96 | /** | ||
| 97 | * Constructs a timestamp request for the supplied hash value.. | ||
| 98 | * | ||
| 99 | * @param hashValue The hash value. This is the data to be timestamped. | ||
| 100 | * @param hashAlgorithm The name of the hash algorithm. | ||
| 101 | */ | ||
| 102 | public TSRequest(byte[] hashValue, String hashAlgorithm) { | ||
| 103 | |||
| 104 | // Check the common hash algorithms | ||
| 105 | if ("MD5".equalsIgnoreCase(hashAlgorithm)) { | ||
| 106 | hashAlgorithmId = MD5_OID; | ||
| 107 | // Check that the hash value matches the hash algorithm | ||
| 108 | assert hashValue.length == 16; | ||
| 109 | |||
| 110 | } else if ("SHA-1".equalsIgnoreCase(hashAlgorithm) || | ||
| 111 | "SHA".equalsIgnoreCase(hashAlgorithm) || | ||
| 112 | "SHA1".equalsIgnoreCase(hashAlgorithm)) { | ||
| 113 | hashAlgorithmId = SHA1_OID; | ||
| 114 | // Check that the hash value matches the hash algorithm | ||
| 115 | assert hashValue.length == 20; | ||
| 116 | |||
| 117 | } | ||
| 118 | // Clone the hash value | ||
| 119 | this.hashValue = new byte[hashValue.length]; | ||
| 120 | System.arraycopy(hashValue, 0, this.hashValue, 0, hashValue.length); | ||
| 121 | } | ||
| 122 | |||
| 123 | /** | ||
| 124 | * Sets the Time-Stamp Protocol version. | ||
| 125 | * | ||
| 126 | * @param version The TSP version. | ||
| 127 | */ | ||
| 128 | public void setVersion(int version) { | ||
| 129 | this.version = version; | ||
| 130 | } | ||
| 131 | |||
| 132 | /** | ||
| 133 | * Sets an object identifier for the Time-Stamp Protocol policy. | ||
| 134 | * | ||
| 135 | * @param version The policy object identifier. | ||
| 136 | */ | ||
| 137 | public void setPolicyId(String policyId) { | ||
| 138 | this.policyId = policyId; | ||
| 139 | } | ||
| 140 | |||
| 141 | /** | ||
| 142 | * Sets a nonce. | ||
| 143 | * A nonce is a single-use random number. | ||
| 144 | * | ||
| 145 | * @param nonce The nonce value. | ||
| 146 | */ | ||
| 147 | public void setNonce(BigInteger nonce) { | ||
| 148 | this.nonce = nonce; | ||
| 149 | } | ||
| 150 | |||
| 151 | /** | ||
| 152 | * Request that the TSA include its signing certificate in the response. | ||
| 153 | * | ||
| 154 | * @param returnCertificate True if the TSA should return its signing | ||
| 155 | * certificate. By default it is not returned. | ||
| 156 | */ | ||
| 157 | public void requestCertificate(boolean returnCertificate) { | ||
| 158 | this.returnCertificate = returnCertificate; | ||
| 159 | } | ||
| 160 | |||
| 161 | /** | ||
| 162 | * Sets the Time-Stamp Protocol extensions. | ||
| 163 | * | ||
| 164 | * @param extensions The protocol extensions. | ||
| 165 | */ | ||
| 166 | public void setExtensions(X509Extension[] extensions) { | ||
| 167 | this.extensions = extensions; | ||
| 168 | } | ||
| 169 | |||
| 170 | public byte[] encode() throws IOException { | ||
| 171 | |||
| 172 | DerOutputStream request = new DerOutputStream(); | ||
| 173 | |||
| 174 | // encode version | ||
| 175 | request.putInteger(version); | ||
| 176 | |||
| 177 | // encode messageImprint | ||
| 178 | DerOutputStream messageImprint = new DerOutputStream(); | ||
| 179 | DerOutputStream hashAlgorithm = new DerOutputStream(); | ||
| 180 | hashAlgorithm.putOID(hashAlgorithmId); | ||
| 181 | messageImprint.write(DerValue.tag_Sequence, hashAlgorithm); | ||
| 182 | messageImprint.putOctetString(hashValue); | ||
| 183 | request.write(DerValue.tag_Sequence, messageImprint); | ||
| 184 | |||
| 185 | // encode optional elements | ||
| 186 | |||
| 187 | if (policyId != null) { | ||
| 188 | request.putOID(new ObjectIdentifier(policyId)); | ||
| 189 | } | ||
| 190 | if (nonce != null) { | ||
| 191 | request.putInteger(nonce); | ||
| 192 | } | ||
| 193 | if (returnCertificate) { | ||
| 194 | request.putBoolean(true); | ||
| 195 | } | ||
| 196 | |||
| 197 | DerOutputStream out = new DerOutputStream(); | ||
| 198 | out.write(DerValue.tag_Sequence, request); | ||
| 199 | return out.toByteArray(); | ||
| 200 | } | ||
| 201 | } | ||