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/*
* ============LICENSE_START====================================================
* org.onap.aaf
* ===========================================================================
* Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
*
* Modifications Copyright (C) 2019 IBM.
* ===========================================================================
* 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.cmpv2client.external;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
public final class Factory {
private static final Logger LOGGER = LoggerFactory.getLogger(Factory.class);
private static final KeyPairGenerator KEY_PAIR_GENERATOR;
private static final SecureRandom SECURE_RANDOM;
private static final String KEY_ALGORITHM = "RSA";
private static final int KEY_LENGTH = 2048;
static {
SECURE_RANDOM = new SecureRandom();
KeyPairGenerator tempKeygen;
try {
tempKeygen = KeyPairGenerator.getInstance(KEY_ALGORITHM);
tempKeygen.initialize(KEY_LENGTH, SECURE_RANDOM);
} catch (NoSuchAlgorithmException e) {
tempKeygen = null;
LOGGER.error("Given KEY_ALGORITHM is invalid.", e);
}
KEY_PAIR_GENERATOR = tempKeygen;
}
private Factory() {
}
public static KeyPair generateKeyPair() {
return KEY_PAIR_GENERATOR.generateKeyPair();
}
}
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