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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
*/
#ifndef INCLUDED_OOX_CRYPTO_AGILEENGINE_HXX
#define INCLUDED_OOX_CRYPTO_AGILEENGINE_HXX
#include <vector>
#include <oox/crypto/CryptTools.hxx>
#include <oox/crypto/CryptoEngine.hxx>
#include <rtl/ustring.hxx>
#include <sal/types.h>
namespace oox {
class BinaryXInputStream;
class BinaryXOutputStream;
}
namespace oox {
namespace core {
const sal_uInt32 SEGMENT_LENGTH = 4096;
struct AgileEncryptionInfo
{
sal_Int32 spinCount;
sal_Int32 saltSize;
sal_Int32 keyBits;
sal_Int32 hashSize;
sal_Int32 blockSize;
OUString cipherAlgorithm;
OUString cipherChaining;
OUString hashAlgorithm;
std::vector<sal_uInt8> keyDataSalt;
std::vector<sal_uInt8> saltValue;
std::vector<sal_uInt8> encryptedVerifierHashInput;
std::vector<sal_uInt8> encryptedVerifierHashValue;
std::vector<sal_uInt8> encryptedKeyValue;
};
class AgileEngine : public CryptoEngine
{
AgileEncryptionInfo mInfo;
void calculateHashFinal(const OUString& rPassword, std::vector<sal_uInt8>& aHashFinal);
void calculateBlock(
const sal_uInt8* rBlock,
sal_uInt32 aBlockSize,
std::vector<sal_uInt8>& rHashFinal,
std::vector<sal_uInt8>& rInput,
std::vector<sal_uInt8>& rOutput);
static Crypto::CryptoType cryptoType(const AgileEncryptionInfo& rInfo);
public:
AgileEngine();
virtual ~AgileEngine();
AgileEncryptionInfo& getInfo() { return mInfo;}
virtual void writeEncryptionInfo(
const OUString& rPassword,
BinaryXOutputStream& rStream) override;
virtual bool generateEncryptionKey(const OUString& rPassword) override;
virtual bool decrypt(
BinaryXInputStream& aInputStream,
BinaryXOutputStream& aOutputStream) override;
virtual void encrypt(
BinaryXInputStream& aInputStream,
BinaryXOutputStream& aOutputStream) override;
};
} // namespace core
} // namespace oox
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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