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76ee07f61c
Co-authored-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com> Co-committed-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
92 lines
2.4 KiB
C++
92 lines
2.4 KiB
C++
/*
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* Copyright (C) Ascensio System SIA, 2009-2026
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation, together with the
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* additional terms provided in the LICENSE file.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: https://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA by email at info@onlyoffice.com
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* or by postal mail at 20A-6 Ernesta Birznieka-Upisha Street, Riga,
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* LV-1050, Latvia, European Union.
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*
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* The interactive user interfaces in modified versions of the Program
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* are required to display Appropriate Legal Notices in accordance with
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* Section 5 of the GNU AGPL version 3.
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*
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* No trademark rights are granted under this License.
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*
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* All non-code elements of the Product, including illustrations,
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* icon sets, and technical writing content, are licensed under the
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* Creative Commons Attribution-ShareAlike 4.0 International License:
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* https://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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* This license applies only to such non-code elements and does not
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* modify or replace the licensing terms applicable to the Program's
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* source code, which remains licensed under the GNU Affero General
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* Public License v3.
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*
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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#pragma once
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#include <string>
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#include <boost/shared_ptr.hpp>
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#include "../../../../OOXML/Base/Base.h"
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namespace CRYPT
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{
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struct _rc4CryptData
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{
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struct SALT_TAG
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{
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_UINT32 b1;
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_UINT32 b2;
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_UINT32 b3;
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_UINT32 b4;
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} Salt;
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struct ENCRYPTED_VERIFIER_TAG
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{
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_UINT32 b1;
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_UINT32 b2;
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_UINT32 b3;
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_UINT32 b4;
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} EncryptedVerifier;
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struct ENCRYPTED_VERIFIER_HASH_TAG
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{
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_UINT32 b1;
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_UINT32 b2;
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_UINT32 b3;
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_UINT32 b4;
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} EncryptedVerifierHash;
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};
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struct _xorCryptData
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{
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unsigned short key;
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unsigned short hash;
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};
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class Crypt
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{
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public:
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virtual void Init(const unsigned long val) = 0;
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virtual void Decrypt(char* data, const size_t size, const unsigned long stream_pos, const size_t block_size) = 0;
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virtual void Decrypt(char* data, const size_t size, const unsigned long block_index) = 0;
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virtual bool IsVerify() = 0;
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};
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typedef boost::shared_ptr<Crypt> CryptPtr;
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} // namespace CRYPT
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