/// <summary>
/// BlowFish解密bytes
/// </summary>
/// <param name="decodeStr"></param>
/// <param name="key"></param>
/// <returns></returns>
public static byte[] BlowFishDecryptBytes(byte[] bytes, string key)
{
byte[] keys = ASCIIEncoding.ASCII.GetBytes(key);
BlowFishCS.BlowFish blowFish = new BlowFishCS.BlowFish(keys);
byte[] result = blowFish.Decrypt_ECB(bytes);
return(result);
}
// -----------------------------------------------------------------------------------
/// <summary>
/// Loads the images for a given round
/// </summary>
public RoundImages LoadRound(int round)
{
if (round >= header.availableRounds)
{
throw new Exception(string.Concat("Tried to load round: ", round + 1, " but only ", header.availableRounds, " rounds are available"));
}
BinaryReader br = new BinaryReader(System.IO.File.Open(source, FileMode.Open));
BlowFishCS.BlowFish blowfish = new BlowFishCS.BlowFish(IllogicGate.Data.EncryptedFile.RestoreKey(ShuffledKey));
// read and decrypt the round image and shadow
br.BaseStream.Seek(header.roundBase[round].offset, SeekOrigin.Begin);
byte[] rawBase = br.ReadBytes(header.roundBase[round].length);
rawBase = blowfish.Decrypt_ECB(rawBase);
rawBase = LZMAtools.DecompressLZMAByteArrayToByteArray(rawBase);
br.BaseStream.Seek(header.roundShadow[round].offset, SeekOrigin.Begin);
byte[] rawShadow = br.ReadBytes(header.roundShadow[round].length);
rawShadow = blowfish.Decrypt_ECB(rawShadow);
rawShadow = LZMAtools.DecompressLZMAByteArrayToByteArray(rawShadow);
br.Close();
return(new RoundImages(rawBase, rawShadow, header.isPortrait[round]));
}
public static int meta_find_encrypted(byte[] binContent, string NeedData, int pos, byte[] DecKey, int version) //Для поиска в зашифрованных данных (обычно для поиска текстур)
{
int bufsz = 128; //Размер буфера по умолчанию
int result = 0;
int Max_scan_size = 2048; //Проверка только определённого участка
bool IsFinding = true;
BlowFishCS.BlowFish decBuf = new BlowFishCS.BlowFish(DecKey, version);
if (pos > binContent.Length - 4)
{
pos = 4; //Начинать поиск после заголовка файла
}
while (IsFinding)
{
byte[] buffer = new byte[bufsz];
buffer = new byte[bufsz];
if (buffer.Length > binContent.Length - pos)
{
bufsz = binContent.Length - pos;
buffer = new byte[bufsz];
}
Array.Copy(binContent, pos, buffer, 0, bufsz);
pos++;
Max_scan_size--;
byte[] checkBuffer = decBuf.Crypt_ECB(buffer, version, true);
int bfPos = 0; //Позиция в blowfish
while (Methods.ConvertHexToString(checkBuffer, bfPos, NeedData.Length, MainMenu.settings.ASCII_N, 1) != NeedData)
{
bfPos++;
if (Methods.ConvertHexToString(checkBuffer, bfPos, NeedData.Length, MainMenu.settings.ASCII_N, 1) == NeedData)
{
result = bfPos + pos - 1;
IsFinding = false;
}
if ((bfPos + NeedData.Length + 1) > checkBuffer.Length)
{
break;
}
}
if ((pos >= binContent.Length) || (Max_scan_size < 0))
{
result = -1;
IsFinding = false;
}
}
return(result);
}
// -----------------------------------------------------------------------------------
/// <summary>
/// Writes bytes to an encrypted file
/// </summary>
/// <param name="path">Path of the file</param>
/// <param name="data">Binary data to save</param>
/// <param name="shuffledKey">Optional encryption key (shuffled with Util.ShuffleKey)</param>
public static void WriteBytes(string path, byte[] data, string shuffledKey = DefaultShuffledKey)
{
BlowFishCS.BlowFish blowfish = new BlowFishCS.BlowFish(RestoreKey(shuffledKey));
data = blowfish.Encrypt_ECB(data);
FileStream stream = new FileStream(path, FileMode.Create);
stream.Write(data, 0, data.Length);
stream.Close();
}
// --- Class Declaration ------------------------------------------------------------------------
// -----------------------------------------------------------------------------------
/// <summary>
/// Reads bytes from an encrypted file
/// </summary>
/// <param name="path">Path of the file</param>
/// <param name="shuffledKey">Optional encryption key (shuffled with Util.ShuffleKey)</param>
/// <returns>A byte array with the decrypted data</returns>
public static byte[] ReadBytes(string path, string shuffledKey = DefaultShuffledKey)
{
FileStream stream = new FileStream(path, FileMode.Open);
byte [] data = new byte[stream.Length];
stream.Read(data, 0, data.Length);
stream.Close();
BlowFishCS.BlowFish blowfish = new BlowFishCS.BlowFish(RestoreKey(shuffledKey));
return(blowfish.Decrypt_ECB(data));
}
// -----------------------------------------------------------------------------------
/// <summary>
/// Loads and decrypts a character sheet from file
/// </summary>
void LoadCharacterSheet()
{
BinaryReader br = new BinaryReader(System.IO.File.Open(source, FileMode.Open));
BlowFishCS.BlowFish blowfish = new BlowFishCS.BlowFish(IllogicGate.Data.EncryptedFile.RestoreKey(ShuffledKey));
// read and decrypt the character sheet
br.BaseStream.Seek(header.characterSheet.offset, SeekOrigin.Begin);
byte[] rawData = br.ReadBytes(header.characterSheet.length);
rawData = blowfish.Decrypt_ECB(rawData);
rawData = LZMAtools.DecompressLZMAByteArrayToByteArray(rawData);
br.Close();
_characterSheet = new BaseSheet(rawData);
}
public static byte[] encryptLua(byte[] luaContent, byte[] key, bool newEngine, int version)
{ //newEngine - игры, выпущенные с Tales From the Borderlands и переизданные на новом движке
BlowFishCS.BlowFish DoEncLua = new BlowFishCS.BlowFish(key, version);
byte[] header = new byte[4];
byte[] checkHeader = new byte[4];
Array.Copy(luaContent, 0, checkHeader, 0, 4);
if (Encoding.ASCII.GetString(checkHeader) == "\x1bLua")
{
if (newEngine == true)
{
header = Encoding.ASCII.GetBytes("\x1bLEn");
byte[] tempLua = new byte[luaContent.Length - 4];
Array.Copy(luaContent, 4, tempLua, 0, luaContent.Length - 4);
tempLua = DoEncLua.Crypt_ECB(tempLua, 7, false);
Array.Copy(header, 0, luaContent, 0, 4);
Array.Copy(tempLua, 0, luaContent, 4, tempLua.Length);
}
else
{
luaContent = DoEncLua.Crypt_ECB(luaContent, version, false);
}
}
else if ((Encoding.ASCII.GetString(checkHeader) != "\x1bLEn") && (Encoding.ASCII.GetString(checkHeader) != "\x1bLEo") &&
(Encoding.ASCII.GetString(checkHeader) != "\x1bLua"))
{
if (newEngine == true)
{
header = Encoding.ASCII.GetBytes("\x1bLEo");
byte[] tempLua2 = new byte[luaContent.Length];
Array.Copy(luaContent, 0, tempLua2, 0, luaContent.Length);
tempLua2 = DoEncLua.Crypt_ECB(tempLua2, 7, false);
luaContent = new byte[tempLua2.Length + 4];
Array.Copy(header, 0, luaContent, 0, 4);
Array.Copy(tempLua2, 0, luaContent, 4, luaContent.Length - 4);
}
else
{
luaContent = DoEncLua.Crypt_ECB(luaContent, version, false);
}
}
return(luaContent);
}
/// <summary>
/// 链接服务器
/// </summary>
/// <param name="host">服务器IP</param>
/// <param name="port">服务器端口</param>
public void Connect(string host, int port)
{
Debugger.Log("conn" + host + ":" + port);
#if blowfish
_encryptBF = new BlowFishCS.BlowFish(Encoding.ASCII.GetBytes("#$youwillbedead#$"));
_decryptBF = new BlowFishCS.BlowFish(Encoding.ASCII.GetBytes("#$youwillbefucked#$"));
#endif
if (_recvQueue == null)
{
_recvQueue = new Queue <ProtocolItem>();//发送队列不能在这里初始化
}
else
{
_recvQueue.Clear();
}
if (_host != host)
{
_host = host;
}
if (_port != port)
{
_port = port;
}
try
{
_connThread = new Thread(new ThreadStart(ConnThread));
StopCoroutine("CheckConnectedHandler");
StartCoroutine("CheckConnectedHandler");
_connThread.Start();
}
catch (Exception e)
{
Debugger.LogError("socket exception:" + e);
}
}
public static byte[] decryptLua(byte[] luaContent, byte[] key, int version)
{
byte[] headerCheck = new byte[4];
Array.Copy(luaContent, 0, headerCheck, 0, 4);
BlowFishCS.BlowFish decLuaNew = new BlowFishCS.BlowFish(key, 7);
byte[] tempLua;
switch (Encoding.ASCII.GetString(headerCheck))
{
case "\x1bLEn":
tempLua = new byte[luaContent.Length - 4];
Array.Copy(luaContent, 4, tempLua, 0, luaContent.Length - 4);
byte[] luaHeader = { 0x1B, 0x4C, 0x75, 0x61 }; //.Lua - начало заголовка
tempLua = decLuaNew.Crypt_ECB(tempLua, 7, true);
Array.Copy(luaHeader, 0, luaContent, 0, 4);
Array.Copy(tempLua, 0, luaContent, 4, tempLua.Length);
break;
case "\x1bLEo":
tempLua = new byte[luaContent.Length - 4];
Array.Copy(luaContent, 4, tempLua, 0, luaContent.Length - 4);
tempLua = decLuaNew.Crypt_ECB(tempLua, 7, true);
luaContent = new byte[tempLua.Length];
Array.Copy(tempLua, 0, luaContent, 0, luaContent.Length);
break;
default:
BlowFishCS.BlowFish decLua = new BlowFishCS.BlowFish(key, version);
luaContent = decLua.Crypt_ECB(luaContent, version, true);
break;
}
return(luaContent);
}
public byte[] encryptFunction(byte[] bytes, byte[] key, int archiveVersion)
{
BlowFishCS.BlowFish enc = new BlowFishCS.BlowFish(key, archiveVersion);
Methods.meta_crypt(bytes, key, archiveVersion, false);
return(enc.Crypt_ECB(bytes, archiveVersion, false));
}
public static int meta_crypt(byte[] file, byte[] key, int version_archive, bool decrypt)
{
uint file_type = 0;
long i, block_size = 0, block_crypt = 0, block_clean = 0, blocks;
int meta = 1;
if (file.Length < 4)
{
return((int)file_type);
}
byte[] check_type = new byte[4];
Array.Copy(file, 0, check_type, 0, 4);
file_type = BitConverter.ToUInt32(check_type, 0);
uint p = (uint)file.Length;
uint l = p + (uint)file.Length;
/*
* block_size,
* block_crypt
* blocks_clean
*/
switch (file_type)
{
case 0x4D545245: meta = 0; break; //ERTM
case 0x4D42494E: meta = 0; break; //NIBM
case 0xFB4A1764: block_size = 0x80; block_crypt = 0x20; block_clean = 0x50; break;
case 0xEB794091: block_size = 0x80; block_crypt = 0x20; block_clean = 0x50; break;
case 0x64AFDEFB: block_size = 0x80; block_crypt = 0x20; block_clean = 0x50; break;
case 0x64AFDEAA: block_size = 0x100; block_crypt = 0x8; block_clean = 0x18; break;
case 0x4D424553: block_size = 0x40; block_crypt = 0x40; block_clean = 0x64; break; //SEBM
default: meta = 0; break;
}
if (block_size != 0)
{
blocks = (file.Length - 4) / block_size;
long poz = 0;
byte[] temp_file = new byte[file.Length - 4];
Array.Copy(file, 4, temp_file, 0, temp_file.Length);
for (i = 0; i < blocks; i++)
{
byte[] block = new byte[block_size];
Array.Copy(temp_file, poz, block, 0, block_size);
if (p >= l)
{
break;
}
if (i % block_crypt == 0)
{
BlowFishCS.BlowFish enc = new BlowFishCS.BlowFish(key, version_archive);
//block = enc.Crypt_ECB(block, version_archive, false);
block = enc.Crypt_ECB(block, version_archive, decrypt);
Array.Copy(block, 0, temp_file, poz, block.Length);
}
else if ((i % block_clean == 0) && (i > 0))
{
Array.Copy(block, 0, temp_file, poz, block.Length);
}
else
{
XorBlock(ref block, 0xff);
Array.Copy(block, 0, temp_file, poz, block.Length);
}
p += (uint)block_size;
poz += block_size;
}
Array.Copy(temp_file, 0, file, 4, temp_file.Length);
}
return(meta);
}
public static async Task LoginNPortal(string id, string password)
{
string captchaText;
do
{
var captchaImage = await GetCaptchaImage();
captchaText = await GetCaptchaText(captchaImage);
} while (string.IsNullOrEmpty(captchaText) || captchaText.Length != 4);
var BlowFish = new BlowFishCS.BlowFish(Encoding.UTF8.GetBytes(password));
var md5Code = BlowFish.Encrypt_ECB(id);
var response = await Request("https://nportal.ntut.edu.tw/login.do", "POST", new Dictionary <string, object>()
{
{ "muid", id },
{ "mpassword", password },
{ "authcode", captchaText },
{ "md5Code", md5Code }
}, new Dictionary <string, object>()
{
{ "User-Agent", "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36" },
{ "Referer", "https://nportal.ntut.edu.tw/index.do?thetime=" + TimeStamp }
});
string responseString = await ConvertStreamToString(await response.Content.ReadAsStreamAsync());
response.Dispose();
if (responseString.Contains("登入失敗"))
{
if (responseString.Contains("密碼錯誤"))
{
throw new NPException("帳號密碼錯誤", ErrorType.WrongIdPassword);
}
else if (responseString.Contains("驗證碼"))
{
await LoginNPortal(id, password); //Retry
}
else if (responseString.Contains("帳號已被鎖住"))
{
throw new NPException("嘗試錯誤太多次，帳號已被鎖定10分鐘", ErrorType.AccountLocked);
}
}
else if (!responseString.Contains("\"myPortal.do?thetime="))
{
throw new NPException("遇到不明的錯誤", ErrorType.Unknown);
}
//The folling 2 request will make the server allowing us to login sub-systems
response = await Request("https://nportal.ntut.edu.tw/myPortalHeader.do");
//responseString = await ConvertStreamToString(await response.Content.ReadAsStreamAsync());
response.Dispose();
response = await Request("https://nportal.ntut.edu.tw/aptreeBox.do");
//responseString = await ConvertStreamToString(await response.Content.ReadAsStreamAsync());
response.Dispose();
//Login aps
await LoginSubSystem("https://nportal.ntut.edu.tw/ssoIndex.do?apUrl=https://aps.ntut.edu.tw/course/tw/courseSID.jsp&apOu=aa_0010-&sso=true&datetime1=" + TimeStamp);
//Login aps-stu
await LoginSubSystem("https://nportal.ntut.edu.tw/ssoIndex.do?apUrl=https://aps-stu.ntut.edu.tw/StuQuery/LoginSID.jsp&apOu=aa_003&sso=big5&datetime1=" + TimeStamp);
}
public static string FindingDecrytKey(byte[] bytes, string TypeFile, ref byte[] KeyEnc, ref int version) //Ищем ключ расшифровки для файлов langdb, dlog и d3dtx
{
string result = null;
byte[] decKey = null;
byte[] CheckVersion = new byte[4];
Array.Copy(bytes, 4, CheckVersion, 0, 4);
if ((BitConverter.ToInt32(CheckVersion, 0) < 0) || (BitConverter.ToInt32(CheckVersion, 0) > 6))
{
if (KeyEnc != null)
{
try
{
byte[] tmpFile = new byte[bytes.Length];
Array.Copy(bytes, 0, tmpFile, 0, bytes.Length);
Methods.meta_crypt(tmpFile, KeyEnc, version, true);
byte[] CheckVer = new byte[4];
Array.Copy(tmpFile, 4, CheckVer, 0, 4);
if ((BitConverter.ToInt32(CheckVer, 0) > 0) && (BitConverter.ToInt32(CheckVer, 0) < 6))
{
Array.Copy(tmpFile, 0, bytes, 0, bytes.Length);
if (TypeFile == "texture" || TypeFile == "font")
{
int TexturePosition = -1;
if (TypeFile == "texture")
{
TexturePosition = FindStartOfStringSomething(bytes, 4, ".d3dtx") + 6;
}
else
{
TexturePosition = FindStartOfStringSomething(bytes, 4, ".tga") + 4;
}
if (FindStartOfStringSomething(bytes, TexturePosition, "DDS ") == -1)
{
int DDSPos = meta_find_encrypted(bytes, "DDS ", TexturePosition, KeyEnc, version);
byte[] tempHeader = new byte[2048];
if (tempHeader.Length > bytes.Length - DDSPos)
{
tempHeader = new byte[bytes.Length - DDSPos];
}
Array.Copy(bytes, DDSPos, tempHeader, 0, tempHeader.Length);
BlowFishCS.BlowFish decHeader = new BlowFishCS.BlowFish(KeyEnc, version);
tempHeader = decHeader.Crypt_ECB(tempHeader, version, true);
Array.Copy(tempHeader, 0, bytes, DDSPos, tempHeader.Length);
}
}
result = "File successfully decrypted.";
return(result);
}
}
catch
{
KeyEnc = null; //I don't know why I did this...
}
}
for (int a = 0; a < MainMenu.gamelist.Count; a++)
{
byte[] CheckVerOld = CheckVersion; //Old encryption method (for versions 2-6)
byte[] tempFileOld = new byte[bytes.Length]; //A temporary file for old encryption method
byte[] CheckVerNew = CheckVersion; //Newer encryption method (for versions 7-9)
byte[] tempFileNew = new byte[bytes.Length]; //A temporary file for newer encryption method
decKey = MainMenu.gamelist[a].key;
Array.Copy(bytes, 0, tempFileOld, 0, bytes.Length);
Array.Copy(bytes, 0, tempFileNew, 0, bytes.Length);
if (((BitConverter.ToInt32(CheckVerOld, 0) < 0) || BitConverter.ToInt32(CheckVerOld, 0) > 6) ||
(BitConverter.ToInt32(CheckVerNew, 0) < 0) || (BitConverter.ToInt32(CheckVerNew, 0) > 6))
{
Methods.meta_crypt(tempFileOld, decKey, 2, true);
CheckVerOld = new byte[4];
Array.Copy(tempFileOld, 4, CheckVerOld, 0, 4);
Methods.meta_crypt(tempFileNew, decKey, 7, true);
CheckVerNew = new byte[4];
Array.Copy(tempFileNew, 4, CheckVerNew, 0, 4);
}
if ((BitConverter.ToInt32(CheckVerOld, 0) > 0) && (BitConverter.ToInt32(CheckVerOld, 0) < 6))
{
Array.Copy(tempFileOld, 0, bytes, 0, bytes.Length);
if (TypeFile == "texture" || TypeFile == "font")
{
int TexturePosition = -1;
if (FindStartOfStringSomething(bytes, 4, "DDS ") == -1)// > bytes.Length - 100)
{
if (TypeFile == "texture")
{
TexturePosition = FindStartOfStringSomething(bytes, 4, ".d3dtx") + 6;
}
else
{
TexturePosition = FindStartOfStringSomething(bytes, 4, ".tga") + 4;
}
int DDSPos = meta_find_encrypted(bytes, "DDS ", TexturePosition, decKey, 2);
byte[] tempHeader = new byte[2048];
if (tempHeader.Length > bytes.Length - DDSPos)
{
tempHeader = new byte[bytes.Length - DDSPos];
}
Array.Copy(bytes, DDSPos, tempHeader, 0, tempHeader.Length);
BlowFishCS.BlowFish decHeader = new BlowFishCS.BlowFish(decKey, 2);
tempHeader = decHeader.Crypt_ECB(tempHeader, 2, true);
Array.Copy(tempHeader, 0, bytes, DDSPos, tempHeader.Length);
}
}
result = "Decryption key: " + MainMenu.gamelist[a].gamename + ". Blowfish type: old (versions 2-6)";
KeyEnc = MainMenu.gamelist[a].key;
version = 2;
break;
}
else if ((BitConverter.ToInt32(CheckVerNew, 0) > 0) && (BitConverter.ToInt32(CheckVerNew, 0) < 6))
{
Array.Copy(tempFileNew, 0, bytes, 0, bytes.Length);
if (TypeFile == "texture" || TypeFile == "font")
{
int TexturePosition = -1;
if (TypeFile == "texture")
{
TexturePosition = FindStartOfStringSomething(bytes, 4, ".d3dtx") + 6;
}
else
{
TexturePosition = FindStartOfStringSomething(bytes, 4, ".tga") + 4;
}
if (FindStartOfStringSomething(bytes, TexturePosition, "DDS ") == -1)//> bytes.Length - 100)
{
int DDSPos = meta_find_encrypted(bytes, "DDS ", TexturePosition, decKey, 7);
byte[] tempHeader = new byte[2048];
if (tempHeader.Length > bytes.Length - DDSPos)
{
tempHeader = new byte[bytes.Length - DDSPos];
}
Array.Copy(bytes, DDSPos, tempHeader, 0, tempHeader.Length);
BlowFishCS.BlowFish decHeader = new BlowFishCS.BlowFish(decKey, 7);
tempHeader = decHeader.Crypt_ECB(tempHeader, 7, true);
Array.Copy(tempHeader, 0, bytes, DDSPos, tempHeader.Length);
}
}
result = "Decryption key: " + MainMenu.gamelist[a].gamename + ". Blowfish type: new (versions 7-9)";
KeyEnc = MainMenu.gamelist[a].key;
version = 7;
break;
}
}
}
else //Check dds header only file
{
if ((TypeFile == "texture" || TypeFile == "font") && KeyEnc != null)
{
try
{
int DDSstart = -1;
if (TypeFile == "texture")
{
DDSstart = FindStartOfStringSomething(bytes, 4, ".d3dtx") + 6;
}
else
{
DDSstart = FindStartOfStringSomething(bytes, 4, ".tga") + 4;
}
int DDSPos = meta_find_encrypted(bytes, "DDS ", DDSstart, KeyEnc, version);
if ((DDSPos != -1) && (DDSPos < (bytes.Length - 100)))
{
byte[] tempHeader = new byte[2048];
if (tempHeader.Length > bytes.Length - DDSPos)
{
tempHeader = new byte[bytes.Length - DDSPos];
}
Array.Copy(bytes, DDSPos, tempHeader, 0, tempHeader.Length);
BlowFishCS.BlowFish decHeader = new BlowFishCS.BlowFish(KeyEnc, version);
tempHeader = decHeader.Crypt_ECB(tempHeader, version, true);
Array.Copy(tempHeader, 0, bytes, DDSPos, tempHeader.Length);
DDSstart = DDSPos;
result = "File successfully decrypted.";
return(result);
}
}
catch
{
KeyEnc = null;
}
}
try
{
if (TypeFile == "texture" || TypeFile == "font")
{
int DDSstart = -1;
if (TypeFile == "texture")
{
DDSstart = FindStartOfStringSomething(bytes, 4, ".d3dtx") + 6;
}
else
{
DDSstart = FindStartOfStringSomething(bytes, 4, ".tga") + 4;
}
for (int i = 0; i < MainMenu.gamelist.Count; i++)
{
int DDSPos = meta_find_encrypted(bytes, "DDS ", DDSstart, MainMenu.gamelist[i].key, 2);
if ((DDSPos != -1) && (DDSPos < (bytes.Length - 100)))
{
byte[] tempHeader = new byte[2048];
if (tempHeader.Length > bytes.Length - DDSPos)
{
tempHeader = new byte[bytes.Length - DDSPos];
}
Array.Copy(bytes, DDSPos, tempHeader, 0, tempHeader.Length);
BlowFishCS.BlowFish decHeader = new BlowFishCS.BlowFish(MainMenu.gamelist[i].key, 2);
tempHeader = decHeader.Crypt_ECB(tempHeader, 2, true);
Array.Copy(tempHeader, 0, bytes, DDSPos, tempHeader.Length);
DDSstart = DDSPos;
result = "Decryption key: " + MainMenu.gamelist[i].gamename + ". Blowfish type: old (versions 2-6)";
KeyEnc = MainMenu.gamelist[i].key;
break;
}
}
if (DDSstart == -1)
{
for (int i = 0; i < MainMenu.gamelist.Count; i++)
{
int DDSPos = meta_find_encrypted(bytes, "DDS ", DDSstart, MainMenu.gamelist[i].key, 7);
if ((DDSPos != -1) && (DDSPos < (bytes.Length - 100)))
{
byte[] tempHeader = new byte[2048];
if (tempHeader.Length > bytes.Length - DDSPos)
{
tempHeader = new byte[bytes.Length - DDSPos];
}
Array.Copy(bytes, DDSPos, tempHeader, 0, tempHeader.Length);
BlowFishCS.BlowFish decHeader = new BlowFishCS.BlowFish(MainMenu.gamelist[i].key, 7);
tempHeader = decHeader.Crypt_ECB(tempHeader, 7, true);
Array.Copy(tempHeader, 0, bytes, DDSPos, tempHeader.Length);
DDSstart = DDSPos;
result = "Decryption key: " + MainMenu.gamelist[i].gamename + ". Blowfish type: new (versions 7-9)";
KeyEnc = MainMenu.gamelist[i].key;
}
}
}
}
}
catch (Exception ex)
{
result = "Error " + ex.Message;
}
}
return(result);
}
/// <summary>
/// Cifra con BlowFish
/// </summary>
/// <param name="Text"></param>
/// <param name="Key"></param>
/// <returns></returns>
private string EncryptString(string Text, string Key)
{
BlowFishCS.BlowFish crypt = new BlowFishCS.BlowFish(Key);
return(crypt.Encrypt_CBC(Text));
}
/// <summary>
/// 构建加密属性,并指定相应的加密KEY
/// </summary>
/// <param name="key">加密KEY</param>
public StringCrypto(string key)
{
mBlowfish = new BlowFishCS.BlowFish(key);
}
/// <summary>
/// 构建加密属性
/// </summary>
public StringCrypto()
{
mBlowfish = new BlowFishCS.BlowFish(BlowfishKey);
}
// -----------------------------------------------------------------------------------
#if UNITY_EDITOR
/// <summary>
/// Creates a file with the character sheet and each round image
/// Only available in editor mode
/// encrypting them separately
/// </summary>
/// <param name="filename">File to save to</param>
/// <param name="guid"> Unique id to identify the character </param>
/// <param name="tags"> comma separated tags, like IB </param>
/// <param name="charSheetFile"> PNG file with the character sheet </param>
/// <param name="roundFiles"> PNG files for each round (base, shadow) </param>
/// <param name="updateFile"> File to update. If null, a new one is created </param>
public static void CreateFile(string filename, string guid, string characterName, string artist, string tags, string charSheetFile, List <string[]> roundFiles, File updateFile = null)
{
string tempFile = Application.temporaryCachePath + "/temp_charfile.chr";
// count the number of available rounds
int availableRounds = updateFile != null ? updateFile.availableRounds : 0;
for (int i = availableRounds; i < Config.Rounds; i++)
{
// can only add extra rounds in this version
// not remove or leave empty gaps. So, only increase count
// if a new one is added, otherwise keep previous count
if (roundFiles[i] != null)
{
availableRounds++;
}
}
// ----- Validation check -----
// the update file is null, so all other png files must exist and be set
string errors = "";
if (updateFile == null)
{
if (string.IsNullOrEmpty(charSheetFile))
{
errors += "You must set the character sheet file\n";
}
if (availableRounds == 0)
{
errors += "Set at least one round file!\n";
}
// make sure we don't leave empty holes
for (int i = 0; i < availableRounds; i++)
{
if (string.IsNullOrEmpty(roundFiles[i][0]))
{
errors += string.Format("You must set the base image file for round {0}\n", i + 1);
}
if (string.IsNullOrEmpty(roundFiles[i][1]))
{
errors += string.Format("You must set the shadow image file for round {0}\n", i + 1);
}
}
}
// no need to continue at this point
if (!string.IsNullOrEmpty(errors))
{
throw new Exception(errors);
}
// ----- File creation -----
BinaryWriter bw = new BinaryWriter(System.IO.File.Open(tempFile, FileMode.Create));
BlowFishCS.BlowFish blowfish = new BlowFishCS.BlowFish(IllogicGate.Data.EncryptedFile.RestoreKey(ShuffledKey));
// save an empty header to make space for it
Header header = new Header(Version1, guid);
header.availableRounds = availableRounds;
header.tags = tags;
header.artist = artist;
header.characterName = characterName;
// if we're updating, keep creation date
if (updateFile != null)
{
header.createdDate = updateFile.header.createdDate;
}
header.Save(bw);
byte[] data;
// encrypt and save the character sheet file
if (string.IsNullOrEmpty(charSheetFile))
{
data = updateFile.baseSheet.source.GetRawTextureData();
}
else
{
data = GetRawTextureData(charSheetFile);
}
data = LZMAtools.CompressByteArrayToLZMAByteArray(data);
data = blowfish.Encrypt_ECB(data);
header.characterSheet = new Entry((int)bw.BaseStream.Position, data.Length);
bw.Write(data);
// encrypt and save round images
int img_w, img_h;
Orientation orientation;
for (int i = 0; i < header.availableRounds; i++)
{
// load original images if available
RoundImages original = null;
if (updateFile != null && i < updateFile.availableRounds)
{
original = updateFile.LoadRound(i);
}
// just copy the image from the previously loaded character file
if (roundFiles[i] == null)
{
data = original.baseImage.GetRawTextureData();
img_w = original.baseImage.width;
img_h = original.baseImage.height;
}
// load from file
else
{
data = GetRawTextureData(roundFiles[i][0], out img_w, out img_h);
}
orientation = CheckOrientation(img_w, img_h);
if (orientation == Orientation.Invalid)
{
throw new Exception("Invalid image size for base image " + (i + 1));
}
data = LZMAtools.CompressByteArrayToLZMAByteArray(data);
data = blowfish.Encrypt_ECB(data);
header.roundBase[i] = new Entry((int)bw.BaseStream.Position, data.Length);
bw.Write(data);
// just copy the image from the previously loaded character file
if (roundFiles[i] == null)
{
data = original.shadowImage.GetRawTextureData();
img_w = original.shadowImage.width;
img_h = original.shadowImage.height;
}
// load from file
else
{
data = GetRawTextureData(roundFiles[i][1], out img_w, out img_h, true);
}
orientation = CheckOrientation(img_w, img_h);
if (orientation == Orientation.Invalid)
{
throw new Exception("Invalid image size for shadow image " + (i + 1));
}
data = LZMAtools.CompressByteArrayToLZMAByteArray(data);
data = blowfish.Encrypt_ECB(data);
header.roundShadow[i] = new Entry((int)bw.BaseStream.Position, data.Length);
bw.Write(data);
header.isPortrait[i] = orientation == Orientation.Portrait;
}
// rewind and overwrite header
bw.Seek(0, SeekOrigin.Begin);
header.Save(bw);
bw.Close();
// replace files
if (System.IO.File.Exists(filename))
{
System.IO.File.Delete(filename);
}
System.IO.File.Move(tempFile, filename);
}
public static string FindingDecrytKey(byte[] bytes, string TypeFile) //Ищем ключ расшифровки для файлов langdb, dlog и d3dtx
{
string result = null;
byte[] decKey;
byte[] CheckVersion = new byte[4];
Array.Copy(bytes, 4, CheckVersion, 0, 4);
if ((BitConverter.ToInt32(CheckVersion, 0) < 0) || (BitConverter.ToInt32(CheckVersion, 0) > 6))
{
for (int a = 0; a < MainMenu.gamelist.Count; a++)
{
byte[] CheckVerOld = CheckVersion; //Старый метод шифрования (Версии 2-6)
byte[] tempFileOld = new byte[bytes.Length]; //Временный файл для расшифровки (старый метод шифрования)
byte[] CheckVerNew = CheckVersion; //Поновее метод шифрования (Версии 7-9)
byte[] tempFileNew = new byte[bytes.Length];
decKey = MainMenu.gamelist[a].key;
Array.Copy(bytes, 0, tempFileOld, 0, bytes.Length);
Array.Copy(bytes, 0, tempFileNew, 0, bytes.Length);
if (((BitConverter.ToInt32(CheckVerOld, 0) < 0) || BitConverter.ToInt32(CheckVerOld, 0) > 6) ||
(BitConverter.ToInt32(CheckVerNew, 0) < 0) || (BitConverter.ToInt32(CheckVerNew, 0) > 6))
{
Methods.meta_crypt(tempFileOld, decKey, 2, true);
CheckVerOld = new byte[4];
Array.Copy(tempFileOld, 4, CheckVerOld, 0, 4);
Methods.meta_crypt(tempFileNew, decKey, 7, true);
CheckVerNew = new byte[4];
Array.Copy(tempFileNew, 4, CheckVerNew, 0, 4);
}
if ((BitConverter.ToInt32(CheckVerOld, 0) > 0) && (BitConverter.ToInt32(CheckVerOld, 0) < 6))
{
Array.Copy(tempFileOld, 0, bytes, 0, bytes.Length);
if (TypeFile == "texture" || TypeFile == "font")
{
int TexturePosition = -1;
if (FindStartOfStringSomething(bytes, 4, "DDS ") > bytes.Length - 100)
{
if (TypeFile == "texture")
{
TexturePosition = FindStartOfStringSomething(bytes, 4, ".d3dtx") + 6;
}
else
{
TexturePosition = FindStartOfStringSomething(bytes, 4, ".tga") + 4;
}
int DDSPos = meta_find_encrypted(bytes, "DDS ", TexturePosition, decKey, 2);
byte[] tempHeader = new byte[2048];
if (tempHeader.Length > bytes.Length - DDSPos)
{
tempHeader = new byte[bytes.Length - DDSPos];
}
Array.Copy(bytes, DDSPos, tempHeader, 0, tempHeader.Length);
BlowFishCS.BlowFish decHeader = new BlowFishCS.BlowFish(decKey, 2);
tempHeader = decHeader.Crypt_ECB(tempHeader, 2, true);
Array.Copy(tempHeader, 0, bytes, DDSPos, tempHeader.Length);
}
}
result = "Decryption key: " + MainMenu.gamelist[a].gamename + ". Blowfish type: old (versions 2-6)";
break;
}
else if ((BitConverter.ToInt32(CheckVerNew, 0) > 0) && (BitConverter.ToInt32(CheckVerNew, 0) < 6))
{
Array.Copy(tempFileNew, 0, bytes, 0, bytes.Length);
if (TypeFile == "texture" || TypeFile == "font")
{
int TexturePosition = -1;
if (FindStartOfStringSomething(bytes, 4, "DDS ") > bytes.Length - 100)
{
if (TypeFile == "texture")
{
TexturePosition = FindStartOfStringSomething(bytes, 4, ".d3dtx") + 6;
}
else
{
TexturePosition = FindStartOfStringSomething(bytes, 4, ".tga") + 4;
}
int DDSPos = meta_find_encrypted(bytes, "DDS ", TexturePosition, decKey, 7);
byte[] tempHeader = new byte[2048];
if (tempHeader.Length > bytes.Length - DDSPos)
{
tempHeader = new byte[bytes.Length - DDSPos];
}
Array.Copy(bytes, DDSPos, tempHeader, 0, tempHeader.Length);
BlowFishCS.BlowFish decHeader = new BlowFishCS.BlowFish(decKey, 7);
tempHeader = decHeader.Crypt_ECB(tempHeader, 7, true);
Array.Copy(tempHeader, 0, bytes, DDSPos, tempHeader.Length);
}
}
result = "Decryption key: " + MainMenu.gamelist[a].gamename + ". Blowfish type: new (versions 7-9)";
break;
}
}
}
else //Проверка файлов, в которых зашифрован только заголовок DDS-текстуры
{
try
{
if (TypeFile == "texture" || TypeFile == "font")
{
int DDSstart = -1;
//Пока что придумал сделать авторасшифровку для одиночных текстур. Да и вроде шрифты были зашифрованы с 1 текстурой.
if (TypeFile == "texture")
{
DDSstart = FindStartOfStringSomething(bytes, 4, ".d3dtx") + 6;
}
else
{
DDSstart = FindStartOfStringSomething(bytes, 4, ".tga") + 4;
}
for (int i = 0; i < MainMenu.gamelist.Count; i++)
{
int DDSPos = meta_find_encrypted(bytes, "DDS ", DDSstart, MainMenu.gamelist[i].key, 2);
if ((DDSPos != -1) && (DDSPos < (bytes.Length - 100)))
{
byte[] tempHeader = new byte[2048];
if (tempHeader.Length > bytes.Length - DDSPos)
{
tempHeader = new byte[bytes.Length - DDSPos];
}
Array.Copy(bytes, DDSPos, tempHeader, 0, tempHeader.Length);
BlowFishCS.BlowFish decHeader = new BlowFishCS.BlowFish(MainMenu.gamelist[i].key, 2);
tempHeader = decHeader.Crypt_ECB(tempHeader, 2, true);
Array.Copy(tempHeader, 0, bytes, DDSPos, tempHeader.Length);
DDSstart = DDSPos;
result = "Decryption key: " + MainMenu.gamelist[i].gamename + ". Blowfish type: old (versions 2-6)";
}
}
if (DDSstart == -1)
{
for (int i = 0; i < MainMenu.gamelist.Count; i++)
{
int DDSPos = meta_find_encrypted(bytes, "DDS ", DDSstart, MainMenu.gamelist[i].key, 7);
if ((DDSPos != -1) && (DDSPos < (bytes.Length - 100)))
{
byte[] tempHeader = new byte[2048];
if (tempHeader.Length > bytes.Length - DDSPos)
{
tempHeader = new byte[bytes.Length - DDSPos];
}
Array.Copy(bytes, DDSPos, tempHeader, 0, tempHeader.Length);
BlowFishCS.BlowFish decHeader = new BlowFishCS.BlowFish(MainMenu.gamelist[i].key, 7);
tempHeader = decHeader.Crypt_ECB(tempHeader, 7, true);
Array.Copy(tempHeader, 0, bytes, DDSPos, tempHeader.Length);
DDSstart = DDSPos;
result = "Decryption key: " + MainMenu.gamelist[i].gamename + ". Blowfish type: new (versions 7-9)";
}
}
}
}
}
catch (Exception ex)
{
result = "Error " + ex.Message;
}
}
return(result);
}
public string CalculatePasswordHash(string password)
{
BlowFishCS.BlowFish b = new BlowFishCS.BlowFish(salt);
return(b.Encrypt_ECB(password));
}
/// <summary>
/// 构建加密属性,并指定相应的加密KEY
/// </summary>
/// <param name="key">加密KEY</param>
public StringCrypto(string key)
{
mBlowfish = new BlowFishCS.BlowFish(key);
}
/// <summary>
/// 构建加密属性
/// </summary>
public StringCrypto()
{
mBlowfish = new BlowFishCS.BlowFish(BlowfishKey);
}