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/*
* ============LICENSE_START=======================================================
* Cert Service
* ================================================================================
* Copyright (C) 2020 Nokia. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.aaf.certservice.certification.adapter;
import java.io.IOException;
import java.security.PrivateKey;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.crypto.util.PrivateKeyFactory;
import org.bouncycastle.operator.ContentSigner;
import org.bouncycastle.operator.DefaultDigestAlgorithmIdentifierFinder;
import org.bouncycastle.operator.OperatorCreationException;
import org.bouncycastle.operator.bc.BcRSAContentSignerBuilder;
import org.bouncycastle.pkcs.PKCS10CertificationRequest;
import org.springframework.stereotype.Component;
@Component
public class RsaContentSignerBuilder {
ContentSigner build(PKCS10CertificationRequest csr, PrivateKey privateKey)
throws IOException, OperatorCreationException {
AlgorithmIdentifier sigAlgId = csr.getSignatureAlgorithm();
AlgorithmIdentifier digAlgId = new DefaultDigestAlgorithmIdentifierFinder().find(sigAlgId);
return new BcRSAContentSignerBuilder(sigAlgId, digAlgId)
.build(PrivateKeyFactory.createKey(privateKey.getEncoded()));
}
}
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