59 lines
1.1 KiB
C
59 lines
1.1 KiB
C
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// Crypto/ZipStrong.h
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#ifndef __CRYPTO_ZIP_STRONG_H
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#define __CRYPTO_ZIP_STRONG_H
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#include "../../Common/MyBuffer.h"
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#include "../IPassword.h"
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#include "MyAes.h"
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namespace NCrypto {
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namespace NZipStrong {
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/* ICompressFilter::Init() does nothing for this filter.
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Call to init:
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Decoder:
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[CryptoSetPassword();]
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ReadHeader();
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[CryptoSetPassword();] Init_and_CheckPassword();
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[CryptoSetPassword();] Init_and_CheckPassword();
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*/
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struct CKeyInfo
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{
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Byte MasterKey[32];
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UInt32 KeySize;
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void SetPassword(const Byte *data, UInt32 size);
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};
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class CBaseCoder:
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public CAesCbcDecoder,
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public ICryptoSetPassword
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{
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protected:
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CKeyInfo _key;
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CByteBuffer _buf;
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Byte *_bufAligned;
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public:
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STDMETHOD(Init)();
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STDMETHOD(CryptoSetPassword)(const Byte *data, UInt32 size);
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};
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class CDecoder: public CBaseCoder
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{
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UInt32 _ivSize;
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Byte _iv[16];
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UInt32 _remSize;
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public:
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MY_UNKNOWN_IMP1(ICryptoSetPassword)
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HRESULT ReadHeader(ISequentialInStream *inStream, UInt32 crc, UInt64 unpackSize);
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HRESULT Init_and_CheckPassword(bool &passwOK);
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};
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}}
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#endif
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