76 lines
1.8 KiB
Java
76 lines
1.8 KiB
Java
/*
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* Copyright 2021 Paul Schaub.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package sop;
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import java.util.Arrays;
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import sop.util.HexUtil;
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public class SessionKey {
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private final byte algorithm;
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private final byte[] sessionKey;
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public SessionKey(byte algorithm, byte[] sessionKey) {
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this.algorithm = algorithm;
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this.sessionKey = sessionKey;
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}
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/**
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* Return the symmetric algorithm octet.
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*
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* @return algorithm id
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*/
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public byte getAlgorithm() {
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return algorithm;
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}
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/**
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* Return the session key.
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*
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* @return session key
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*/
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public byte[] getKey() {
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return sessionKey;
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}
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@Override
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public int hashCode() {
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return getAlgorithm() * 17 + Arrays.hashCode(getKey());
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}
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@Override
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public boolean equals(Object other) {
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if (other == null) {
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return false;
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}
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if (this == other) {
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return true;
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}
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if (!(other instanceof SessionKey)) {
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return false;
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}
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SessionKey otherKey = (SessionKey) other;
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return getAlgorithm() == otherKey.getAlgorithm() && Arrays.equals(getKey(), otherKey.getKey());
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}
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@Override
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public String toString() {
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return "" + (int) getAlgorithm() + ':' + HexUtil.bytesToHex(sessionKey);
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}
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}
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