001/* 002 * nimbus-jose-jwt 003 * 004 * Copyright 2012-2016, Connect2id Ltd and contributors. 005 * 006 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use 007 * this file except in compliance with the License. You may obtain a copy of the 008 * License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software distributed 013 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 014 * CONDITIONS OF ANY KIND, either express or implied. See the License for the 015 * specific language governing permissions and limitations under the License. 016 */ 017 018package com.nimbusds.jose.crypto.impl; 019 020 021import net.jcip.annotations.Immutable; 022 023 024/** 025 * Authenticated cipher text. This class is immutable. 026 * 027 * @author Vladimir Dzhuvinov 028 * @version 2013-05-06 029 */ 030@Immutable 031public final class AuthenticatedCipherText { 032 033 034 /** 035 * The cipher text. 036 */ 037 private final byte[] cipherText; 038 039 040 /** 041 * The authentication tag. 042 */ 043 private final byte[] authenticationTag; 044 045 046 /** 047 * Creates a new authenticated cipher text. 048 * 049 * @param cipherText The cipher text. Must not be {@code null}. 050 * @param authenticationTag The authentication tag. Must not be 051 * {@code null}. 052 */ 053 public AuthenticatedCipherText(final byte[] cipherText, final byte[] authenticationTag) { 054 055 if (cipherText == null) 056 throw new IllegalArgumentException("The cipher text must not be null"); 057 058 this.cipherText = cipherText; 059 060 061 if (authenticationTag == null) 062 throw new IllegalArgumentException("The authentication tag must not be null"); 063 064 this.authenticationTag = authenticationTag; 065 } 066 067 068 /** 069 * Gets the cipher text. 070 * 071 * @return The cipher text. 072 */ 073 public byte[] getCipherText() { 074 075 return cipherText; 076 } 077 078 079 /** 080 * Gets the authentication tag. 081 * 082 * @return The authentication tag. 083 */ 084 public byte[] getAuthenticationTag() { 085 086 return authenticationTag; 087 } 088}