diff options
Diffstat (limited to 'certService/src/main/java/org/onap/aaf/certservice/cmpv2client/impl/CmpUtil.java')
-rw-r--r-- | certService/src/main/java/org/onap/aaf/certservice/cmpv2client/impl/CmpUtil.java | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/certService/src/main/java/org/onap/aaf/certservice/cmpv2client/impl/CmpUtil.java b/certService/src/main/java/org/onap/aaf/certservice/cmpv2client/impl/CmpUtil.java deleted file mode 100644 index ced0fed0..00000000 --- a/certService/src/main/java/org/onap/aaf/certservice/cmpv2client/impl/CmpUtil.java +++ /dev/null @@ -1,153 +0,0 @@ -/*- - * ============LICENSE_START======================================================= - * Copyright (C) 2020 Nordix Foundation. - * ================================================================================ - * 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.aaf.certservice.cmpv2client.impl; - -import java.io.ByteArrayOutputStream; -import java.io.IOException; -import java.security.SecureRandom; -import java.util.Date; -import java.util.Objects; - -import org.bouncycastle.asn1.ASN1Encodable; -import org.bouncycastle.asn1.ASN1EncodableVector; -import org.bouncycastle.asn1.ASN1GeneralizedTime; -import org.bouncycastle.asn1.DEROctetString; -import org.bouncycastle.asn1.DEROutputStream; -import org.bouncycastle.asn1.DERSequence; -import org.bouncycastle.asn1.cmp.CMPObjectIdentifiers; -import org.bouncycastle.asn1.cmp.InfoTypeAndValue; -import org.bouncycastle.asn1.cmp.PKIBody; -import org.bouncycastle.asn1.cmp.PKIHeader; -import org.bouncycastle.asn1.cmp.PKIHeaderBuilder; -import org.bouncycastle.asn1.x500.X500Name; -import org.bouncycastle.asn1.x509.AlgorithmIdentifier; -import org.bouncycastle.asn1.x509.GeneralName; -import org.onap.aaf.certservice.cmpv2client.exceptions.CmpClientException; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -public final class CmpUtil { - - private static final Logger LOGGER = LoggerFactory.getLogger(CmpUtil.class); - private static final SecureRandom SECURE_RANDOM = new SecureRandom(); - public static final int RANDOM_BYTE_LENGTH = 16; - public static final int RANDOM_SEED = 1000; - - private CmpUtil() { - } - - /** - * Validates specified object reference is not null. - * - * @param argument T - the type of the reference. - * @param message message - detail message to be used in the event that a NullPointerException is - * thrown. - * @return The Object if not null - */ - public static <T> T notNull(T argument, String message) { - return Objects.requireNonNull(argument, message + " must not be null"); - } - - /** - * Validates String object reference is not null and not empty. - * - * @param stringArg String Object that need to be validated. - * @return boolean - */ - public static boolean isNullOrEmpty(String stringArg) { - return (stringArg != null && !stringArg.trim().isEmpty()); - } - - /** - * Creates a random number than can be used for sendernonce, transactionId and salts. - * - * @return bytes containing a random number string representing a nonce - */ - static byte[] createRandomBytes() { - LOGGER.info("Generating random array of bytes"); - byte[] randomBytes = new byte[RANDOM_BYTE_LENGTH]; - SECURE_RANDOM.nextBytes(randomBytes); - return randomBytes; - } - - /** - * Creates a random integer than can be used to represent a transactionId or determine the number - * iterations in a protection algorithm. - * - * @return bytes containing a random number string representing a nonce - */ - static int createRandomInt(int range) { - LOGGER.info("Generating random integer"); - return SECURE_RANDOM.nextInt(range) + RANDOM_SEED; - } - - /** - * Generates protected bytes of a combined PKIHeader and PKIBody. - * - * @param header Header of PKIMessage containing common parameters - * @param body Body of PKIMessage containing specific information for message - * @return bytes representing the PKIHeader and PKIBody thats to be protected - */ - static byte[] generateProtectedBytes(PKIHeader header, PKIBody body) throws CmpClientException { - LOGGER.info("Generating array of bytes representing PkiHeader and PkiBody"); - byte[] res; - ASN1EncodableVector vector = new ASN1EncodableVector(); - vector.add(header); - vector.add(body); - ASN1Encodable protectedPart = new DERSequence(vector); - try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) { - DEROutputStream out = new DEROutputStream(baos); - out.writeObject(protectedPart); - res = baos.toByteArray(); - } catch (IOException ioe) { - CmpClientException cmpClientException = - new CmpClientException("IOException occurred while creating protectedBytes", ioe); - LOGGER.error("IOException occurred while creating protectedBytes"); - throw cmpClientException; - } - return res; - } - - /** - * Generates a PKIHeader Builder object. - * - * @param subjectDn distinguished name of Subject - * @param issuerDn distinguished name of external CA - * @param protectionAlg protection Algorithm used to protect PKIMessage - * @return PKIHeaderBuilder - */ - static PKIHeader generatePkiHeader( - X500Name subjectDn, X500Name issuerDn, AlgorithmIdentifier protectionAlg, String senderKid) { - LOGGER.info("Generating a Pki Header Builder"); - PKIHeaderBuilder pkiHeaderBuilder = - new PKIHeaderBuilder( - PKIHeader.CMP_2000, new GeneralName(subjectDn), new GeneralName(issuerDn)); - - pkiHeaderBuilder.setMessageTime(new ASN1GeneralizedTime(new Date())); - pkiHeaderBuilder.setSenderNonce(new DEROctetString(createRandomBytes())); - pkiHeaderBuilder.setTransactionID(new DEROctetString(createRandomBytes())); - pkiHeaderBuilder.setProtectionAlg(protectionAlg); - pkiHeaderBuilder.setGeneralInfo(new InfoTypeAndValue(CMPObjectIdentifiers.it_implicitConfirm)); - pkiHeaderBuilder.setSenderKID(new DEROctetString(senderKid.getBytes())); - - return pkiHeaderBuilder.build(); - } -} |