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 static org.onap.oom.certservice.cmpv2client.impl.CmpUtil.createRandomInt;
25 import static org.onap.oom.certservice.cmpv2client.impl.CmpUtil.generatePkiHeader;
27 import java.security.KeyPair;
28 import java.util.Date;
30 import org.bouncycastle.asn1.ASN1Integer;
31 import org.bouncycastle.asn1.DERBitString;
32 import org.bouncycastle.asn1.cmp.CMPCertificate;
33 import org.bouncycastle.asn1.cmp.PKIBody;
34 import org.bouncycastle.asn1.cmp.PKIHeader;
35 import org.bouncycastle.asn1.cmp.PKIMessage;
36 import org.bouncycastle.asn1.crmf.CertReqMessages;
37 import org.bouncycastle.asn1.crmf.CertReqMsg;
38 import org.bouncycastle.asn1.crmf.CertRequest;
39 import org.bouncycastle.asn1.crmf.CertTemplateBuilder;
40 import org.bouncycastle.asn1.crmf.ProofOfPossession;
41 import org.bouncycastle.asn1.x500.X500Name;
42 import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
43 import org.bouncycastle.asn1.x509.GeneralName;
44 import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;
45 import org.bouncycastle.operator.DefaultSignatureAlgorithmIdentifierFinder;
46 import org.onap.oom.certservice.cmpv2client.exceptions.CmpClientException;
49 * Implementation of the CmpClient Interface conforming to RFC4210 (Certificate Management Protocol
50 * (CMP)) and RFC4211 (Certificate Request Message Format (CRMF)) standards.
52 class CreateCertRequest {
54 private PkiMessageProtection pkiMessageProtection;
55 private X500Name issuerDn;
56 private X500Name subjectDn;
57 private GeneralName[] sansArray;
58 private KeyPair subjectKeyPair;
59 private Date notBefore;
60 private Date notAfter;
61 private String senderKid;
62 private int cmpRequestType;
63 private CMPCertificate[] extraCerts;
65 private final int certReqId = createRandomInt(Integer.MAX_VALUE);
66 private final AlgorithmIdentifier signingAlgorithm = new DefaultSignatureAlgorithmIdentifierFinder()
67 .find("SHA256withRSA");
69 public void setIssuerDn(X500Name issuerDn) {
70 this.issuerDn = issuerDn;
73 public void setSubjectDn(X500Name subjectDn) {
74 this.subjectDn = subjectDn;
77 public void setSansArray(GeneralName[] sansArray) {
78 this.sansArray = sansArray;
81 public void setSubjectKeyPair(KeyPair subjectKeyPair) {
82 this.subjectKeyPair = subjectKeyPair;
85 public void setNotBefore(Date notBefore) {
86 this.notBefore = notBefore;
89 public void setNotAfter(Date notAfter) {
90 this.notAfter = notAfter;
93 public void setProtection(PkiMessageProtection pkiMessageProtection) {
94 this.pkiMessageProtection = pkiMessageProtection;
97 public void setSenderKid(String senderKid) {
98 this.senderKid = senderKid;
101 public void setCmpRequestType(int requestType) {
102 this.cmpRequestType = requestType;
105 public void setExtraCerts(CMPCertificate[] extraCert) {
106 this.extraCerts = extraCert;
110 * Method to create {@link PKIMessage} from {@link CertRequest},{@link ProofOfPossession}, {@link
111 * CertReqMsg}, {@link CertReqMessages}, {@link PKIHeader} and {@link PKIBody}.
113 * @return {@link PKIMessage}
115 public PKIMessage generateCertReq() throws CmpClientException {
116 final CertTemplateBuilder certTemplateBuilder =
117 new CertTemplateBuilder()
119 .setSubject(subjectDn)
120 .setExtensions(CmpMessageHelper.generateExtension(sansArray))
121 .setValidity(CmpMessageHelper.generateOptionalValidity(notBefore, notAfter))
123 .setSerialNumber(new ASN1Integer(0L))
124 .setSigningAlg(signingAlgorithm)
126 SubjectPublicKeyInfo.getInstance(subjectKeyPair.getPublic().getEncoded()));
128 final CertRequest certRequest = new CertRequest(certReqId, certTemplateBuilder.build(), null);
129 final ProofOfPossession proofOfPossession =
130 CmpMessageHelper.generateProofOfPossession(certRequest, subjectKeyPair);
132 final CertReqMsg certReqMsg = new CertReqMsg(certRequest, proofOfPossession, null);
133 final CertReqMessages certReqMessages = new CertReqMessages(certReqMsg);
135 final PKIHeader pkiHeader =
139 pkiMessageProtection.getAlgorithmIdentifier(),
141 final PKIBody pkiBody = new PKIBody(cmpRequestType, certReqMessages);
143 final DERBitString messageProtection = this.pkiMessageProtection.generatePkiMessageProtection(pkiHeader, pkiBody);
144 return new PKIMessage(pkiHeader, pkiBody, messageProtection, extraCerts);