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// Crypto/RarAes.h
#ifndef __CRYPTO_RAR_AES_H
#define __CRYPTO_RAR_AES_H
#include "../../../C/Aes.h"
#include "Common/Buffer.h"
#include "Common/MyCom.h"
#include "../ICoder.h"
#include "../IPassword.h"
namespace NCrypto {
namespace NRar29 {
const UInt32 kRarAesKeySize = 16;
class CDecoder:
public ICompressFilter,
public ICompressSetDecoderProperties2,
public ICryptoSetPassword,
public CMyUnknownImp
{
Byte _salt[8];
bool _thereIsSalt;
CByteBuffer buffer;
Byte aesKey[kRarAesKeySize];
Byte aesInit[AES_BLOCK_SIZE];
bool _needCalculate;
CAesCbc Aes;
bool _rar350Mode;
void Calculate();
public:
MY_UNKNOWN_IMP2(
ICryptoSetPassword,
ICompressSetDecoderProperties2)
STDMETHOD(Init)();
STDMETHOD_(UInt32, Filter)(Byte *data, UInt32 size);
STDMETHOD(CryptoSetPassword)(const Byte *aData, UInt32 aSize);
// ICompressSetDecoderProperties
STDMETHOD(SetDecoderProperties2)(const Byte *data, UInt32 size);
CDecoder();
void SetRar350Mode(bool rar350Mode) { _rar350Mode = rar350Mode; }
};
}}
#endif
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