2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2020 Nordix Foundation.
4 * Copyright (C) 2021 Nokia.
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.oom.certservice.cmpv2client.impl;
24 import org.bouncycastle.asn1.ASN1Integer;
25 import org.bouncycastle.asn1.DERBitString;
26 import org.bouncycastle.asn1.cmp.CMPCertificate;
27 import org.bouncycastle.asn1.cmp.PKIBody;
28 import org.bouncycastle.asn1.cmp.PKIHeader;
29 import org.bouncycastle.asn1.cmp.PKIMessage;
30 import org.bouncycastle.asn1.crmf.CertReqMessages;
31 import org.bouncycastle.asn1.crmf.CertReqMsg;
32 import org.bouncycastle.asn1.crmf.CertRequest;
33 import org.bouncycastle.asn1.crmf.CertTemplateBuilder;
34 import org.bouncycastle.asn1.crmf.ProofOfPossession;
35 import org.bouncycastle.asn1.x500.X500Name;
36 import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
37 import org.bouncycastle.asn1.x509.GeneralName;
38 import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;
39 import org.bouncycastle.operator.DefaultSignatureAlgorithmIdentifierFinder;
40 import org.onap.oom.certservice.cmpv2client.exceptions.CmpClientException;
41 import org.onap.oom.certservice.cmpv2client.impl.protections.PkiMessageProtection;
43 import java.security.KeyPair;
44 import java.util.Date;
46 import static org.onap.oom.certservice.cmpv2client.impl.CmpUtil.createRandomInt;
47 import static org.onap.oom.certservice.cmpv2client.impl.CmpUtil.generatePkiHeader;
50 * Implementation of the CmpClient Interface conforming to RFC4210 (Certificate Management Protocol
51 * (CMP)) and RFC4211 (Certificate Request Message Format (CRMF)) standards.
53 class CreateCertRequest {
55 private PkiMessageProtection pkiMessageProtection;
56 private X500Name issuerDn;
57 private X500Name subjectDn;
58 private GeneralName[] sansArray;
59 private KeyPair subjectKeyPair;
60 private Date notBefore;
61 private Date notAfter;
62 private String senderKid;
63 private int cmpRequestType;
64 private CMPCertificate[] extraCerts;
66 private final int certReqId = createRandomInt(Integer.MAX_VALUE);
67 private final AlgorithmIdentifier signingAlgorithm = new DefaultSignatureAlgorithmIdentifierFinder()
68 .find("SHA256withRSA");
70 public void setIssuerDn(X500Name issuerDn) {
71 this.issuerDn = issuerDn;
74 public void setSubjectDn(X500Name subjectDn) {
75 this.subjectDn = subjectDn;
78 public void setSansArray(GeneralName[] sansArray) {
79 this.sansArray = sansArray;
82 public void setSubjectKeyPair(KeyPair subjectKeyPair) {
83 this.subjectKeyPair = subjectKeyPair;
86 public void setNotBefore(Date notBefore) {
87 this.notBefore = notBefore;
90 public void setNotAfter(Date notAfter) {
91 this.notAfter = notAfter;
94 public void setProtection(PkiMessageProtection pkiMessageProtection) {
95 this.pkiMessageProtection = pkiMessageProtection;
98 public void setSenderKid(String senderKid) {
99 this.senderKid = senderKid;
102 public void setCmpRequestType(int requestType) {
103 this.cmpRequestType = requestType;
106 public void setExtraCerts(CMPCertificate[] extraCert) {
107 this.extraCerts = extraCert;
111 * Method to create {@link PKIMessage} from {@link CertRequest},{@link ProofOfPossession}, {@link
112 * CertReqMsg}, {@link CertReqMessages}, {@link PKIHeader} and {@link PKIBody}.
114 * @return {@link PKIMessage}
116 public PKIMessage generateCertReq() throws CmpClientException {
117 final CertTemplateBuilder certTemplateBuilder =
118 new CertTemplateBuilder()
120 .setSubject(subjectDn)
121 .setExtensions(CmpMessageHelper.generateExtension(sansArray))
122 .setValidity(CmpMessageHelper.generateOptionalValidity(notBefore, notAfter))
124 .setSerialNumber(new ASN1Integer(0L))
125 .setSigningAlg(signingAlgorithm)
127 SubjectPublicKeyInfo.getInstance(subjectKeyPair.getPublic().getEncoded()));
129 final CertRequest certRequest = new CertRequest(certReqId, certTemplateBuilder.build(), null);
130 final ProofOfPossession proofOfPossession =
131 CmpMessageHelper.generateProofOfPossession(certRequest, subjectKeyPair);
133 final CertReqMsg certReqMsg = new CertReqMsg(certRequest, proofOfPossession, null);
134 final CertReqMessages certReqMessages = new CertReqMessages(certReqMsg);
136 final PKIHeader pkiHeader =
140 pkiMessageProtection.getAlgorithmIdentifier(),
142 final PKIBody pkiBody = new PKIBody(cmpRequestType, certReqMessages);
144 final DERBitString messageProtection = this.pkiMessageProtection.generatePkiMessageProtection(pkiHeader, pkiBody);
145 return new PKIMessage(pkiHeader, pkiBody, messageProtection, extraCerts);