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4.45 beta

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This commit is contained in:
Igor Pavlov
2007-04-17 00:00:00 +00:00
committed by Kornel Lesiński
parent d9666cf046
commit a145bfc7cf
458 changed files with 13144 additions and 18608 deletions
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14
CPP/7zip/Crypto/Zip/ZipCrypto.cpp
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@@ -3,22 +3,20 @@
#include "StdAfx.h"
#include "ZipCipher.h"
#include "../../../Common/CRC.h"
extern "C"
{
#include "../../../../C/7zCrc.h"
}
namespace NCrypto {
namespace NZip {
static inline UInt32 ZipCRC32(UInt32 c, Byte b)
{
return CCRC::Table[(c ^ b) & 0xFF] ^ (c >> 8);
}
void CCipher::UpdateKeys(Byte b)
{
Keys[0] = ZipCRC32(Keys[0], b);
Keys[0] = CRC_UPDATE_BYTE(Keys[0], b);
Keys[1] += Keys[0] & 0xff;
Keys[1] = Keys[1] * 134775813L + 1;
Keys[2] = ZipCRC32(Keys[2], (Byte)(Keys[1] >> 24));
Keys[2] = CRC_UPDATE_BYTE(Keys[2], (Byte)(Keys[1] >> 24));
}
void CCipher::SetPassword(const Byte *password, UInt32 passwordLength)