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56 lines
1.1 KiB
C++
56 lines
1.1 KiB
C++
// Crypto/MyAes.h
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#ifndef __CRYPTO_MY_AES_H
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#define __CRYPTO_MY_AES_H
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#include "../../../C/Aes.h"
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#include "../../Common/MyCom.h"
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#include "../ICoder.h"
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namespace NCrypto {
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class CAesCbcCoder:
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public ICompressFilter,
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public ICryptoProperties,
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public ICompressSetCoderProperties,
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public CMyUnknownImp
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{
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AES_CODE_FUNC _codeFunc;
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unsigned _offset;
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unsigned _keySize;
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bool _keyIsSet;
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bool _encodeMode;
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UInt32 _aes[AES_NUM_IVMRK_WORDS + 3];
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Byte _iv[AES_BLOCK_SIZE];
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bool SetFunctions(UInt32 algo);
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public:
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CAesCbcCoder(bool encodeMode, unsigned keySize);
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MY_UNKNOWN_IMP3(ICompressFilter, ICryptoProperties, ICompressSetCoderProperties)
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INTERFACE_ICompressFilter(;)
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STDMETHOD(SetKey)(const Byte *data, UInt32 size);
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STDMETHOD(SetInitVector)(const Byte *data, UInt32 size);
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STDMETHOD(SetCoderProperties)(const PROPID *propIDs, const PROPVARIANT *props, UInt32 numProps);
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};
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struct CAesCbcEncoder: public CAesCbcCoder
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{
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CAesCbcEncoder(unsigned keySize = 0): CAesCbcCoder(true, keySize) {}
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};
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struct CAesCbcDecoder: public CAesCbcCoder
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{
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CAesCbcDecoder(unsigned keySize = 0): CAesCbcCoder(false, keySize) {}
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};
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}
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#endif
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