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.PKIBody;
33 import org.bouncycastle.asn1.cmp.PKIHeader;
34 import org.bouncycastle.asn1.cmp.PKIMessage;
35 import org.bouncycastle.asn1.crmf.CertReqMessages;
36 import org.bouncycastle.asn1.crmf.CertReqMsg;
37 import org.bouncycastle.asn1.crmf.CertRequest;
38 import org.bouncycastle.asn1.crmf.CertTemplateBuilder;
39 import org.bouncycastle.asn1.crmf.ProofOfPossession;
40 import org.bouncycastle.asn1.x500.X500Name;
41 import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
42 import org.bouncycastle.asn1.x509.GeneralName;
43 import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;
44 import org.bouncycastle.operator.DefaultSignatureAlgorithmIdentifierFinder;
45 import org.onap.oom.certservice.cmpv2client.exceptions.CmpClientException;
48 * Implementation of the CmpClient Interface conforming to RFC4210 (Certificate Management Protocol
49 * (CMP)) and RFC4211 (Certificate Request Message Format (CRMF)) standards.
51 class CreateCertRequest {
53 private PkiMessageProtection pkiMessageProtection;
54 private X500Name issuerDn;
55 private X500Name subjectDn;
56 private GeneralName[] sansArray;
57 private KeyPair subjectKeyPair;
58 private Date notBefore;
59 private Date notAfter;
60 private String senderKid;
62 private final int certReqId = createRandomInt(Integer.MAX_VALUE);
63 private final AlgorithmIdentifier signingAlgorithm = new DefaultSignatureAlgorithmIdentifierFinder()
64 .find("SHA256withRSA");
66 public void setIssuerDn(X500Name issuerDn) {
67 this.issuerDn = issuerDn;
70 public void setSubjectDn(X500Name subjectDn) {
71 this.subjectDn = subjectDn;
74 public void setSansArray(GeneralName[] sansArray) {
75 this.sansArray = sansArray;
78 public void setSubjectKeyPair(KeyPair subjectKeyPair) {
79 this.subjectKeyPair = subjectKeyPair;
82 public void setNotBefore(Date notBefore) {
83 this.notBefore = notBefore;
86 public void setNotAfter(Date notAfter) {
87 this.notAfter = notAfter;
90 public void setProtection(PkiMessageProtection pkiMessageProtection) {
91 this.pkiMessageProtection = pkiMessageProtection;
94 public void setSenderKid(String senderKid) {
95 this.senderKid = senderKid;
99 * Method to create {@link PKIMessage} from {@link CertRequest},{@link ProofOfPossession}, {@link
100 * CertReqMsg}, {@link CertReqMessages}, {@link PKIHeader} and {@link PKIBody}.
102 * @return {@link PKIMessage}
104 public PKIMessage generateCertReq() throws CmpClientException {
105 final CertTemplateBuilder certTemplateBuilder =
106 new CertTemplateBuilder()
108 .setSubject(subjectDn)
109 .setExtensions(CmpMessageHelper.generateExtension(sansArray))
110 .setValidity(CmpMessageHelper.generateOptionalValidity(notBefore, notAfter))
112 .setSerialNumber(new ASN1Integer(0L))
113 .setSigningAlg(signingAlgorithm)
115 SubjectPublicKeyInfo.getInstance(subjectKeyPair.getPublic().getEncoded()));
117 final CertRequest certRequest = new CertRequest(certReqId, certTemplateBuilder.build(), null);
118 final ProofOfPossession proofOfPossession =
119 CmpMessageHelper.generateProofOfPossession(certRequest, subjectKeyPair);
121 final CertReqMsg certReqMsg = new CertReqMsg(certRequest, proofOfPossession, null);
122 final CertReqMessages certReqMessages = new CertReqMessages(certReqMsg);
124 final PKIHeader pkiHeader =
128 pkiMessageProtection.getAlgorithmIdentifier(),
130 final PKIBody pkiBody = new PKIBody(PKIBody.TYPE_INIT_REQ, certReqMessages);
132 final DERBitString messageProtection = this.pkiMessageProtection.generatePkiMessageProtection(pkiHeader, pkiBody);
133 return new PKIMessage(pkiHeader, pkiBody, messageProtection);