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33 lines
659 B
C++
Executable File
33 lines
659 B
C++
Executable File
// Crypto/Rar20/Crypto.h
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#pragma once
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#ifndef __CRYPTO_RAR20_CRYPTO_H
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#define __CRYPTO_RAR20_CRYPTO_H
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namespace NCrypto {
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namespace NRar20 {
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class CData
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{
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BYTE SubstTable[256];
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UINT32 Keys[4];
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UINT32 SubstLong(UINT32 t)
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{
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return (UINT32)SubstTable[(int)t & 255] |
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((UINT32)SubstTable[(int)(t >> 8) & 255] << 8) |
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((UINT32)SubstTable[(int)(t >> 16) & 255] << 16) |
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((UINT32)SubstTable[(int)(t >> 24) & 255] << 24);
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}
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void UpdateKeys(const BYTE *data);
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public:
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void EncryptBlock(BYTE *Buf);
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void DecryptBlock(BYTE *Buf);
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void SetPassword(const BYTE *password, UINT32 passwordLength);
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};
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}}
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#endif
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