157 lines
5.3 KiB
Java
157 lines
5.3 KiB
Java
/*
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* Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.security.provider.certpath;
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import java.io.IOException;
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import java.security.cert.Extension;
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import java.util.Collections;
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import java.util.List;
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import sun.misc.HexDumpEncoder;
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import sun.security.util.*;
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/**
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* This class can be used to generate an OCSP request and send it over
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* an outputstream. Currently we do not support signing requests
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* The OCSP Request is specified in RFC 2560 and
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* the ASN.1 definition is as follows:
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* <pre>
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*
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* OCSPRequest ::= SEQUENCE {
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* tbsRequest TBSRequest,
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* optionalSignature [0] EXPLICIT Signature OPTIONAL }
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*
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* TBSRequest ::= SEQUENCE {
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* version [0] EXPLICIT Version DEFAULT v1,
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* requestorName [1] EXPLICIT GeneralName OPTIONAL,
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* requestList SEQUENCE OF Request,
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* requestExtensions [2] EXPLICIT Extensions OPTIONAL }
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*
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* Signature ::= SEQUENCE {
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* signatureAlgorithm AlgorithmIdentifier,
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* signature BIT STRING,
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* certs [0] EXPLICIT SEQUENCE OF Certificate OPTIONAL
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* }
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*
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* Version ::= INTEGER { v1(0) }
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*
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* Request ::= SEQUENCE {
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* reqCert CertID,
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* singleRequestExtensions [0] EXPLICIT Extensions OPTIONAL }
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*
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* CertID ::= SEQUENCE {
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* hashAlgorithm AlgorithmIdentifier,
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* issuerNameHash OCTET STRING, -- Hash of Issuer's DN
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* issuerKeyHash OCTET STRING, -- Hash of Issuers public key
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* serialNumber CertificateSerialNumber
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* }
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*
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* </pre>
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*
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* @author Ram Marti
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*/
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class OCSPRequest {
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private static final Debug debug = Debug.getInstance("certpath");
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private static final boolean dump = debug != null && Debug.isOn("ocsp");
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// List of request CertIds
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private final List<CertId> certIds;
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private final List<Extension> extensions;
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private byte[] nonce;
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/*
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* Constructs an OCSPRequest. This constructor is used
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* to construct an unsigned OCSP Request for a single user cert.
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*/
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OCSPRequest(CertId certId) {
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this(Collections.singletonList(certId));
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}
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OCSPRequest(List<CertId> certIds) {
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this.certIds = certIds;
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this.extensions = Collections.<Extension>emptyList();
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}
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OCSPRequest(List<CertId> certIds, List<Extension> extensions) {
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this.certIds = certIds;
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this.extensions = extensions;
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}
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byte[] encodeBytes() throws IOException {
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// encode tbsRequest
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DerOutputStream tmp = new DerOutputStream();
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DerOutputStream requestsOut = new DerOutputStream();
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for (CertId certId : certIds) {
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DerOutputStream certIdOut = new DerOutputStream();
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certId.encode(certIdOut);
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requestsOut.write(DerValue.tag_Sequence, certIdOut);
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}
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tmp.write(DerValue.tag_Sequence, requestsOut);
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if (!extensions.isEmpty()) {
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DerOutputStream extOut = new DerOutputStream();
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for (Extension ext : extensions) {
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ext.encode(extOut);
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if (ext.getId().equals(OCSP.NONCE_EXTENSION_OID.toString())) {
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nonce = ext.getValue();
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}
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}
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DerOutputStream extsOut = new DerOutputStream();
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extsOut.write(DerValue.tag_Sequence, extOut);
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tmp.write(DerValue.createTag(DerValue.TAG_CONTEXT,
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true, (byte)2), extsOut);
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}
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DerOutputStream tbsRequest = new DerOutputStream();
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tbsRequest.write(DerValue.tag_Sequence, tmp);
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// OCSPRequest without the signature
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DerOutputStream ocspRequest = new DerOutputStream();
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ocspRequest.write(DerValue.tag_Sequence, tbsRequest);
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byte[] bytes = ocspRequest.toByteArray();
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if (dump) {
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HexDumpEncoder hexEnc = new HexDumpEncoder();
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debug.println("OCSPRequest bytes...\n\n" +
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hexEnc.encode(bytes) + "\n");
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}
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return bytes;
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}
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List<CertId> getCertIds() {
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return certIds;
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}
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byte[] getNonce() {
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return nonce;
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}
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}
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