com.hierynomus.security.jce.derivationfunction.CounterDerivationParameters Maven / Gradle / Ivy
/*
* Copyright (C)2016 - SMBJ Contributors
*
* 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.hierynomus.security.jce.derivationfunction;
import java.util.Arrays;
public class CounterDerivationParameters implements DerivationParameters {
private byte[] seed;
private byte[] fixedCounterSuffix;
private int counterLength;
public CounterDerivationParameters(byte[] seed, byte[] fixedCounterSuffix, int counterLength) {
if (seed == null || seed.length == 0) {
throw new IllegalArgumentException("Missing Seed for KDF");
}
this.seed = Arrays.copyOf(seed, seed.length);
if (fixedCounterSuffix == null) {
this.fixedCounterSuffix = new byte[0];
} else {
this.fixedCounterSuffix = Arrays.copyOf(fixedCounterSuffix, fixedCounterSuffix.length);
}
this.counterLength = counterLength;
}
public byte[] getSeed() {
return seed;
}
public byte[] getFixedCounterSuffix() {
return fixedCounterSuffix;
}
public int getCounterLength() {
return counterLength;
}
}