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4.20

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This commit is contained in:
Igor Pavlov
2005-05-30 00:00:00 +00:00
committed by Kornel Lesiński
parent 8c1b5c7b7e
commit 3c510ba80b
926 changed files with 40559 additions and 23519 deletions
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27
7zip/Crypto/Rar20/Rar20Crypto.h
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@@ -1,30 +1,31 @@
// Crypto/Rar20/Crypto.h
#pragma once
#ifndef __CRYPTO_RAR20_CRYPTO_H
#define __CRYPTO_RAR20_CRYPTO_H
#include "../../../Common/Types.h"
namespace NCrypto {
namespace NRar20 {
class CData
{
BYTE SubstTable[256];
UINT32 Keys[4];
UINT32 SubstLong(UINT32 t)
Byte SubstTable[256];
UInt32 Keys[4];
UInt32 SubstLong(UInt32 t)
{
return (UINT32)SubstTable[(int)t & 255] |
((UINT32)SubstTable[(int)(t >> 8) & 255] << 8) |
((UINT32)SubstTable[(int)(t >> 16) & 255] << 16) |
((UINT32)SubstTable[(int)(t >> 24) & 255] << 24);
return (UInt32)SubstTable[(int)t & 255] |
((UInt32)SubstTable[(int)(t >> 8) & 255] << 8) |
((UInt32)SubstTable[(int)(t >> 16) & 255] << 16) |
((UInt32)SubstTable[(int)(t >> 24) & 255] << 24);
}
void UpdateKeys(const BYTE *data);
void UpdateKeys(const Byte *data);
void CryptBlock(Byte *buf, bool encrypt);
public:
void EncryptBlock(BYTE *Buf);
void DecryptBlock(BYTE *Buf);
void SetPassword(const BYTE *password, UINT32 passwordLength);
void EncryptBlock(Byte *buf) { CryptBlock(buf, true); }
void DecryptBlock(Byte *buf) { CryptBlock(buf, false); }
void SetPassword(const Byte *password, UInt32 passwordLength);
};
}}