Mercurial > vba-linux

     1 // Crypto/ZipStrong.h

     2 

     3 #ifndef __CRYPTO_ZIP_STRONG_H

     4 #define __CRYPTO_ZIP_STRONG_H

     5 

     6 #include "Common/MyCom.h"

     7 #include "Common/Buffer.h"

     8 

     9 #include "../ICoder.h"

    10 #include "../IPassword.h"

    11 

    12 namespace NCrypto {

    13 namespace NZipStrong {

    14 

    15 struct CKeyInfo

    16 {

    17   Byte MasterKey[32];

    18   UInt32 KeySize;

    19   void SetPassword(const Byte *data, UInt32 size);

    20 };

    21 

    22 class CBaseCoder:

    23   public ICompressFilter,

    24   public ICryptoSetPassword,

    25   public CMyUnknownImp

    26 {

    27 protected:

    28   CKeyInfo _key;

    29   CMyComPtr<ICompressFilter> _aesFilter;

    30   CByteBuffer _buf;

    31 public:

    32   STDMETHOD(Init)();

    33   STDMETHOD_(UInt32, Filter)(Byte *data, UInt32 size) = 0;

    34   

    35   STDMETHOD(CryptoSetPassword)(const Byte *data, UInt32 size);

    36 };

    37 

    38 class CDecoder:

    39   public CBaseCoder

    40 {

    41   UInt32 _ivSize;

    42   Byte _iv[16];

    43   UInt32 _remSize;

    44 public:

    45   MY_UNKNOWN_IMP1(ICryptoSetPassword)

    46   STDMETHOD_(UInt32, Filter)(Byte *data, UInt32 size);

    47   HRESULT ReadHeader(ISequentialInStream *inStream, UInt32 crc, UInt64 unpackSize);

    48   HRESULT CheckPassword(bool &passwOK);

    49 };

    50 

    51 }}

    52 

    53 #endif
author	Robert McIntyre <rlm@mit.edu>
date	Sat, 03 Mar 2012 10:31:27 -0600
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