xevion/easy7zip
1
0
Fork 0
mirror of https://github.com/Xevion/easy7zip.git synced 2025-12-08 12:07:03 -06:00
Code Issues Packages Projects Releases Wiki Activity

4.45 beta

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

11
CPP/7zip/Crypto/Rar20/Rar20Crypto.cpp
View File

@@ -3,7 +3,10 @@
#include "StdAfx.h"
#include "Rar20Crypto.h"
#include "../../../Common/CRC.h"
extern "C"
{
#include "../../../../C/7zCrc.h"
}
#define rol(x,n) (((x) << (n)) | ((x) >> (8 * sizeof(x) - (n))))
#define ror(x,n) (((x) >> (n)) | ((x) << (8 * sizeof(x) - (n))))
@@ -36,7 +39,7 @@ void CData::UpdateKeys(const Byte *data)
{
for (int i = 0; i < 16; i += 4)
for (int j = 0; j < 4; j++)
Keys[j] ^= CCRC::Table[data[i + j]];
Keys[j] ^= g_CrcTable[data[i + j]];
}
static void Swap(Byte *b1, Byte *b2)
@@ -64,8 +67,8 @@ void CData::SetPassword(const Byte *password, UInt32 passwordLength)
for (UInt32 j = 0; j < 256; j++)
for (UInt32 i = 0; i < passwordLength; i += 2)
{
UInt32 n2 = (Byte)CCRC::Table[(psw[i + 1] + j) & 0xFF];
UInt32 n1 = (Byte)CCRC::Table[(psw[i] - j) & 0xFF];
UInt32 n2 = (Byte)g_CrcTable[(psw[i + 1] + j) & 0xFF];
UInt32 n1 = (Byte)g_CrcTable[(psw[i] - j) & 0xFF];
for (UInt32 k = 1; (n1 & 0xFF) != n2; n1++, k++)
Swap(&SubstTable[n1 & 0xFF], &SubstTable[(n1 + i + k) & 0xFF]);
}