/// Initialization of the decryption process
///
/// @param archive Archive
///
u32 CHimesyo::OnInitDecrypt(CArcFile* archive)
{
const SFileInfo* file_info = archive->GetOpenFileInfo();
LPCTSTR file_ext = PathFindExtension(file_info->name);
if (lstrcmp(file_ext, _T(".dll")) == 0 || file_info->name == _T("startup.tjs"))
{
// Files we don't decode
SetDecryptRequirement(false);
return 0;
}
// Size to decrypt
if (lstrcmp(file_ext, _T(".ks")) != 0 &&
lstrcmp(file_ext, _T(".tjs")) != 0 &&
lstrcmp(file_ext, _T(".asd")) != 0)
{
SetDecryptSize(256);
}
// Decryption key
m_change_decrypt_key = 0;
return file_info->key ^ 0x03020100 ^ 0xFFFFFFFF;
}
/// Initialization of the decryption process
///
/// @param pclArc Archive
///
DWORD CFateFD::OnInitDecrypt(CArcFile* pclArc)
{
SFileInfo* pstFileInfo = pclArc->GetOpenFileInfo();
if (pstFileInfo->name == _T("fd_op01.mpg"))
{
// OP1
m_abtKey[0] = 0xCE;
m_abtKey[1] = 0x94;
m_abtKey[2] = 0xB3;
m_abtKey[3] = 0x94;
m_abtKey[4] = 0xF8;
m_abtKey[5] = 0x94;
m_adwOffset[0] = 0;
m_adwOffset[1] = 0xB6B - pstFileInfo->start;
m_adwOffset[2] = 0x7036 - pstFileInfo->start;
m_adwOffset[3] = 0x7037 - pstFileInfo->start;
m_adwOffset[4] = 0xAF27 - pstFileInfo->start;
m_adwOffset[5] = 0xAF28 - pstFileInfo->start;
}
else if (pstFileInfo->name == _T("fd_op02.mpg"))
{
// OP2
m_abtKey[0] = 0x5A;
m_abtKey[1] = 0x21;
m_abtKey[2] = 0xFE;
m_abtKey[3] = 0x21;
m_abtKey[4] = 0xDB;
m_abtKey[5] = 0x21;
m_adwOffset[0] = 0;
m_adwOffset[1] = 0x552036D - pstFileInfo->start;
m_adwOffset[2] = 0x552254A - pstFileInfo->start;
m_adwOffset[3] = 0x552254B - pstFileInfo->start;
m_adwOffset[4] = 0x552CDF6 - pstFileInfo->start;
m_adwOffset[5] = 0x552CDF7 - pstFileInfo->start;
}
else
{
// Other
SetDecryptRequirement(FALSE);
}
return 0;
}
/// Initialization of the decryption process
///
/// @param pclArc Archive
///
DWORD CHachukano::OnInitDecrypt(CArcFile* pclArc)
{
SFileInfo* pstFileInfo = pclArc->GetOpenFileInfo();
LPCTSTR pszFileExt = PathFindExtension(pstFileInfo->name);
if ((lstrcmp(pszFileExt, _T(".dll")) == 0) || (pstFileInfo->name == _T("startup.tjs")))
{
// Files we don't decode
SetDecryptRequirement(FALSE);
return 0;
}
// Size to decrypt
if ((lstrcmp(pszFileExt, _T(".ks")) != 0) && (lstrcmp(pszFileExt, _T(".tjs")) != 0) && (lstrcmp(pszFileExt, _T(".asd")) != 0))
{
SetDecryptSize(512);
}
// Decryption key
m_dwChangeDecryptKey = 0;
return (pstFileInfo->key ^ 0x03020100);
}
