org.apache.inlong.sort.filesystem.shaded.com.amazonaws.auth.internal.SignerKey Maven / Gradle / Ivy
/*
* Copyright 2014-2022 Amazon.com, Inc. or its affiliates. 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.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.amazonaws.auth.internal;
import com.amazonaws.annotation.Immutable;
/**
* Holds the signing key and the number of days since epoch for the date for
* which the signing key was generated.
*/
@Immutable
public final class SignerKey {
private final long numberOfDaysSinceEpoch;
private final byte[] signingKey;
public SignerKey(long numberOfDaysSinceEpoch, byte[] signingKey) {
if (numberOfDaysSinceEpoch <= 0L) {
throw new IllegalArgumentException(
"Not able to cache signing key. Signing date to be cached is invalid");
}
if (signingKey == null) {
throw new IllegalArgumentException(
"Not able to cache signing key. Signing Key to be cached are null");
}
this.numberOfDaysSinceEpoch = numberOfDaysSinceEpoch;
this.signingKey = signingKey.clone();
}
/**
* Returns the number of days since epoch for the date used for generating
* signing key.
*/
public long getNumberOfDaysSinceEpoch() {
return numberOfDaysSinceEpoch;
}
/**
* Returns a copy of the signing key.
*/
public byte[] getSigningKey() {
return signingKey.clone();
}
}