9254fbce6b
Password protected file with SHA-384 encryption does not open before this patch. Change-Id: I482233f788b8e9da210ad6d2a6c4ece18d05d248 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/156282 Tested-by: Jenkins Reviewed-by: Samuel Mehrbrodt <samuel.mehrbrodt@allotropia.de>
121 lines
2.9 KiB
C++
121 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_OOX_CRYPTO_CRYPTTOOLS_HXX
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#define INCLUDED_OOX_CRYPTO_CRYPTTOOLS_HXX
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#include <oox/dllapi.h>
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#include <sal/types.h>
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#include <vector>
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#include <memory>
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namespace oox::crypto {
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/** Rounds up the input to the nearest multiple
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*
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* For example:
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* input 1, multiple 16 = 16
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* input 16, multiple 16 = 16
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* input 17, multiple 16 = 32
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* input 31, multiple 16 = 32
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*/
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template<typename T>
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T roundUp(T input, T multiple)
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{
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if (input % multiple == 0)
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return input;
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return ((input / multiple) * multiple) + multiple;
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}
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enum class CryptoHashType
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{
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SHA1,
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SHA256,
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SHA384,
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SHA512
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};
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struct CryptoImpl;
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class OOX_DLLPUBLIC Crypto
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{
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public:
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enum CryptoType
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{
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UNKNOWN,
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AES_128_ECB,
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AES_128_CBC,
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AES_256_CBC,
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};
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protected:
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std::unique_ptr<CryptoImpl> mpImpl;
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protected:
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Crypto();
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public:
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virtual ~Crypto();
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};
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class Decrypt final : public Crypto
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{
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public:
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Decrypt(std::vector<sal_uInt8>& key, std::vector<sal_uInt8>& iv, CryptoType type);
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sal_uInt32 update(
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std::vector<sal_uInt8>& output,
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std::vector<sal_uInt8>& input,
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sal_uInt32 inputLength = 0);
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static sal_uInt32 aes128ecb(
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std::vector<sal_uInt8>& output,
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std::vector<sal_uInt8>& input,
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std::vector<sal_uInt8>& key );
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};
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class Encrypt final : public Crypto
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{
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public:
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Encrypt(std::vector<sal_uInt8>& key, std::vector<sal_uInt8>& iv, CryptoType type);
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sal_uInt32 update(
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std::vector<sal_uInt8>& output,
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std::vector<sal_uInt8>& input,
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sal_uInt32 inputLength = 0);
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};
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class OOX_DLLPUBLIC CryptoHash final : public Crypto
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{
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sal_Int32 mnHashSize;
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public:
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CryptoHash(std::vector<sal_uInt8>& rKey, CryptoHashType eType);
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bool update(std::vector<sal_uInt8>& rInput, sal_uInt32 nInputLength = 0);
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std::vector<sal_uInt8> finalize();
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};
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} // namespace oox::crypto
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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