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/*============LICENSE_START=======================================================
* aaf-certservice-client
* ================================================================================
* 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.client.certification;
import org.onap.aaf.certservice.client.certification.exception.KeyPairGenerationException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
public class KeyPairFactory {
private final Logger LOGGER = LoggerFactory.getLogger(KeyPairFactory.class);
private final String encryptionAlgorithm;
private final int keySize;
public KeyPairFactory(String encryptionAlgorithm, int keySize) {
this.encryptionAlgorithm = encryptionAlgorithm;
this.keySize = keySize;
}
public KeyPair create() {
try {
return createKeyPairGenerator().generateKeyPair();
} catch (NoSuchAlgorithmException e) {
LOGGER.error("Generation of KeyPair failed, exception message: " + e.getMessage());
throw new KeyPairGenerationException(e);
}
}
private KeyPairGenerator createKeyPairGenerator() throws NoSuchAlgorithmException {
KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance(encryptionAlgorithm);
keyPairGenerator.initialize(keySize);
return keyPairGenerator;
}
}
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