diff options
Diffstat (limited to 'certService/src/main/java/org/onap/oom/certservice/cmpv2client/impl/protections/PkiMessageProtection.java')
-rw-r--r-- | certService/src/main/java/org/onap/oom/certservice/cmpv2client/impl/protections/PkiMessageProtection.java | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/certService/src/main/java/org/onap/oom/certservice/cmpv2client/impl/protections/PkiMessageProtection.java b/certService/src/main/java/org/onap/oom/certservice/cmpv2client/impl/protections/PkiMessageProtection.java new file mode 100644 index 00000000..235d4bbf --- /dev/null +++ b/certService/src/main/java/org/onap/oom/certservice/cmpv2client/impl/protections/PkiMessageProtection.java @@ -0,0 +1,76 @@ +/*- + * ============LICENSE_START======================================================= + * Copyright (C) 2021 Nokia. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.oom.certservice.cmpv2client.impl.protections; + +import org.bouncycastle.asn1.DERBitString; +import org.bouncycastle.asn1.cmp.PKIBody; +import org.bouncycastle.asn1.cmp.PKIHeader; +import org.bouncycastle.asn1.x509.AlgorithmIdentifier; +import org.onap.oom.certservice.cmpv2client.exceptions.CmpClientException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.security.GeneralSecurityException; + +import static org.onap.oom.certservice.cmpv2client.impl.CmpUtil.generateProtectedBytes; + +/** + * Representation of PKIMessage protection. Complies with RFC4210 (Certificate Management Protocol + * (CMP)) and RFC4211 (Certificate Request Message Format (CRMF)) standards. + */ +public abstract class PkiMessageProtection { + + private static final Logger LOG = LoggerFactory.getLogger(PkiMessageProtection.class); + + /** + * Takes PKIHeader and PKIBody as parameters and generates protection bytes. + * + * @return bytes representing protection wrapped into DERBitString object. + */ + public DERBitString generatePkiMessageProtection(PKIHeader pkiHeader, PKIBody pkiBody) throws CmpClientException { + try { + byte[] protectedBytes = generateProtectedBytes(pkiHeader, pkiBody); + byte[] protectionBytes = generateProtectionBytes(protectedBytes); + return new DERBitString(protectionBytes); + } catch (GeneralSecurityException ex) { + CmpClientException cmpClientException = + new CmpClientException( + "Exception occurred while generating protection for PKIMessage", ex); + LOG.error("Exception occurred while generating the protection for PKIMessage"); + throw cmpClientException; + } + } + + /** + * Returns Algorithm Identifier for protection of PKIMessage. + * + * @return Algorithm Identifier. + */ + public abstract AlgorithmIdentifier getAlgorithmIdentifier(); + + /** + * Takes encoded bytes of PKIMessage (PKIHeader and PKIBody) and generates protection bytes. + * + * @return bytes representing protection. + */ + abstract byte[] generateProtectionBytes(byte[] protectedBytes) throws GeneralSecurityException; + +} |