com.hedera.hashgraph.sdk.ThreadLocalSecureRandom Maven / Gradle / Ivy
/*-
*
* Hedera Java SDK
*
* Copyright (C) 2020 - 2023 Hedera Hashgraph, LLC
*
* 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.
*
*/
package com.hedera.hashgraph.sdk;
import java.security.SecureRandom;
/**
* Internal utility class.
*/
final class ThreadLocalSecureRandom {
@SuppressWarnings("AnonymousHasLambdaAlternative")
private static final ThreadLocal secureRandom =
new ThreadLocal() {
@Override
protected SecureRandom initialValue() {
return new SecureRandom();
}
};
/**
* Constructor.
*/
private ThreadLocalSecureRandom() {
}
/**
* Extract seme randomness.
*
* @return some randomness
*/
static SecureRandom current() {
return secureRandom.get();
}
}