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146 lines
3.8 KiB
C++
146 lines
3.8 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2017
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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. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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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: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
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* EU, LV-1021.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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#pragma once
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#include <string>
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#include <vector>
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#include <boost/shared_ptr.hpp>
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namespace CRYPT_METHOD
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{
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enum _hashAlgorithm
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{
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SHA1,
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SHA224,
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SHA256,
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SHA384,
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SHA512
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};
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enum _cipherAlgorithm
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{
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XOR,
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RC4,
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AES_CBC,
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AES_CFB,
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AES_ECB
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};
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}
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namespace CRYPT
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{
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class Decryptor
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{
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public:
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virtual void Decrypt(char* data, const size_t size, const unsigned long stream_pos) = 0;
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virtual bool SetPassword(std::wstring password) = 0;
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virtual bool IsVerify() = 0;
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};
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typedef boost::shared_ptr<Decryptor> DecryptorPtr;
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struct _ecmaCryptData
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{
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//default ms2010
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_ecmaCryptData() : cipherAlgorithm(CRYPT_METHOD::AES_CBC), hashAlgorithm(CRYPT_METHOD::SHA1), spinCount(100000),
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keySize(0x10), hashSize(0x14), blockSize(0x10), saltSize(0x10), bAgile(true)
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//default ms2013/ms2016
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//_cryptData(): cipherAlgorithm(CRYPT_METHOD::AES_CBC), hashAlgorithm(CRYPT_METHOD::SHA256), spinCount(100000),
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// keySize(0x20), hashSize(0x40), blockSize(0x10), saltSize(0x10), bAgile(true)
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{
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}
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CRYPT_METHOD::_cipherAlgorithm cipherAlgorithm;
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CRYPT_METHOD::_hashAlgorithm hashAlgorithm;
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int spinCount;
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int keySize;
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int hashSize;
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int blockSize;
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int saltSize;
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std::string dataSaltValue;
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std::string saltValue;
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std::string encryptedKeyValue;
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std::string encryptedVerifierInput;
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std::string encryptedVerifierValue;
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std::string encryptedHmacKey;
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std::string encryptedHmacValue;
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bool bAgile;
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//..........
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};
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class ECMAEncryptor
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{
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public:
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ECMAEncryptor();
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virtual ~ECMAEncryptor(){}
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void SetPassword (std::wstring password);
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void SetCryptData(_ecmaCryptData &data);
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void GetCryptData(_ecmaCryptData &data);
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int Encrypt (unsigned char* data, int size, unsigned char*& data_out);
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void UpdateDataIntegrity(unsigned char* data, int size);
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private:
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std::wstring password;
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_ecmaCryptData cryptData;
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};
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class ECMADecryptor : public Decryptor
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{
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public:
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ECMADecryptor();
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virtual ~ECMADecryptor(){}
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void Decrypt (unsigned char* data, int size, unsigned char*& data_out);
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virtual void Decrypt (char* data, const size_t size, const unsigned long stream_pos);
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virtual bool SetPassword (std::wstring password);
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virtual bool IsVerify();
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void SetCryptData(_ecmaCryptData &data);
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private:
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bool IsDataIntegrity(unsigned char* data, int size);
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std::wstring password;
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_ecmaCryptData cryptData;
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bool bVerify;
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};
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} |