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// Crypto/ZipStrong.h
#ifndef __CRYPTO_ZIP_STRONG_H
#define __CRYPTO_ZIP_STRONG_H
#include "Common/MyCom.h"
#include "Common/Buffer.h"
#include "../ICoder.h"
#include "../IPassword.h"
namespace NCrypto {
namespace NZipStrong {
struct CKeyInfo
{
Byte MasterKey[32];
UInt32 KeySize;
void SetPassword(const Byte *data, UInt32 size);
};
class CBaseCoder:
public ICompressFilter,
public ICryptoSetPassword,
public CMyUnknownImp
{
protected:
CKeyInfo _key;
CMyComPtr<ICompressFilter> _aesFilter;
CByteBuffer _buf;
public:
STDMETHOD(Init)();
STDMETHOD_(UInt32, Filter)(Byte *data, UInt32 size) = 0;
STDMETHOD(CryptoSetPassword)(const Byte *data, UInt32 size);
};
class CDecoder:
public CBaseCoder
{
UInt32 _ivSize;
Byte _iv[16];
UInt32 _remSize;
public:
MY_UNKNOWN_IMP1(ICryptoSetPassword)
STDMETHOD_(UInt32, Filter)(Byte *data, UInt32 size);
HRESULT ReadHeader(ISequentialInStream *inStream, UInt32 crc, UInt64 unpackSize);
HRESULT CheckPassword(bool &passwOK);
};
}}
#endif
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