private void CryptoClientForm_Load(object sender, EventArgs e)
{
// add algoritams in drop down
ToolStripMenuItem menu = new ToolStripMenuItem("Algorithams");
ToolStripMenuItem item = new ToolStripMenuItem("Substitution");
ICryptoLibrary alg = new SimpleSubstitution();
item.Tag = alg;
this.algorithm = alg;
menu.DropDownItems.Add(item);
alg = new XXTEA();
item = new ToolStripMenuItem("XXTEA");
item.Tag = alg;
menu.DropDownItems.Add(item);
alg = new SHA2();
item = new ToolStripMenuItem("SHA2");
item.Tag = alg;
menu.DropDownItems.Add(item);
// TODO: add Knapsack
menu.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.OnClickedItem);
this.msOptions.Items.Add(menu);
this.Init();
}
private void btnEncrypt_Click(object sender, EventArgs e)
{
var sd = openFileDialog1.ShowDialog();
if (sd == DialogResult.OK)
{
String key = "1234567890";
using (var fs = openFileDialog1.OpenFile())
{
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
var data = XXTEA.Encrypt(buffer, key);
var file = new FileInfo(openFileDialog1.FileName);
string fname = Path.Combine(file.DirectoryName,
Path.GetFileNameWithoutExtension(openFileDialog1.FileName) + "_secure" +
Path.GetExtension(openFileDialog1.FileName));
if (File.Exists(fname))
{
File.Delete(fname);
}
using (var fs2 = File.Create(fname))
{
fs2.Write(data, 0, data.Length);
}
}
}
}
public IActionResult DecryptionText(string cryptomsg, string key)
{
myclass op = new myclass();
Decryption_Class op2 = new Decryption_Class();
string str = op2.BinaryToString(op2.convert_DNA_to_binary(op2.convert_finalDNA_to_DNA(op2.split_DNA(cryptomsg))));
op.orignalmsg = XXTEA.Decrypt(str, key);
//decryption
// op.cryptomsg = XXTEA.Decrypt(orignalmsg, key);
string document = op.orignalmsg;
//decryption
// op.cryptomsg = XXTEA.Decrypt(orignalmsg, key);
//create file or put Encrypt message in file
//path which file put in
string path_Root = _hosting.WebRootPath;
string docPath = path_Root + "\\files\\";
// Write the specified text asynchronously to a new file named "WriteTextAsync.txt".
using (StreamWriter outputFile = new StreamWriter(Path.Combine(docPath, "Decryptmessage.txt")))
{
outputFile.Write(document);
}
return(View("DecryptionText", op));
}
static void Decode()
{
string url = Application.dataPath + "/txt-encode.bytes";
var bytes = XXTEA.Decrypt(File.ReadAllBytes(url));
File.WriteAllBytes(url.Replace("txt-encode.bytes", "txt-decode.txt"), bytes);
}
static void DeLua()
{
var file = File.ReadAllBytes(@"C:\__temp\Idle Knife_1.0.17\assets\Scripts\VersionID.lua");
var data = Copy(file, 4);
byte[] keys = { 0x4A, 0x89, 0xF1, 0xF1,
0xFB, 0xB2, 0x46, 0x23,
0xC2, 0x1C, 7, 0x8E,
0xF6, 0xEC, 0xCD, 0xF9 };
byte[] keys2 =
{
0x24, 0x54, 0x26, 0x89,
0xA8, 0x1C, 0x9C, 0xA6,
0xD1, 0x50, 0x17, 0xB,
0x5B, 0x6C, 5, 0xF6
};
var newdata = XXTEA.Decrypt(data, keys2);
File.WriteAllBytes("1.lua", newdata);
//newdata = CopyLua(newdata);
//var newdata2 = XXTEA.Decrypt(newdata, keys);
// File.WriteAllBytes("1.lua", newdata2);
}
public static StorageMetadata CreateStorageFile(Stream dataStream, uint archiveNumber, ulong?profileKey)
{
StorageMetadata metadata = new StorageMetadata();
metadata.ArchiveNumber = archiveNumber + 2;
byte[] data = null;
using (BinaryReader reader = new BinaryReader(dataStream))
{
data = reader.ReadBytes((int)reader.BaseStream.Length);
}
Array.Resize(ref data, data.Length + 1); // 1 byte null padding
// Generate Spooky hash of data for later
SpookyHash sh = new SpookyHash(0x155af93ac304200, 0x8ac7230489e7ffff);
sh.Update(new SHA256Managed().ComputeHash(data));
sh.Update(data);
sh.Final(out metadata.Key[0], out metadata.Key[1]);
var compressedData = Compress(data);
var key = GenerateKey(metadata, profileKey, true);
metadata.StorageRaw = XXTEA.Encrypt(compressedData, key);
metadata.CompressedSize = (uint)compressedData.Length;
metadata.DecompressedSize = (uint)data.Length;
return(metadata);
}
public static void luajitEncode(string path)
{
string basePath = Application.dataPath;
path = path.Replace("Assets/", "/");
string dir = Path.GetDirectoryName(path);
string fname = Path.GetFileNameWithoutExtension(path);
string fext = Path.GetExtension(path);
string outPath = basePath + dir + "/" + fname + fext;
outPath = outPath.Replace("/upgradeRes4Dev", "/upgradeRes4Publish");
Directory.CreateDirectory(Path.GetDirectoryName(outPath));
#if UNITY_IOS
byte[] bytes = XXTEA.Encrypt(File.ReadAllBytes(basePath + path), XXTEA.defaultKey);
File.WriteAllBytes(outPath, bytes);
#elif UNITY_ANDROID
// string exeName = "/usr/local/bin/luajit";
string exeName = "/usr/local/bin/luajit-2.0.4";
// string exeName = "/usr/local/bin/luajit-2.0.3";
// string exeName = "/usr/local/bin/luajit-2.1.0-alpha";
if (!File.Exists(exeName))
{
UnityEngine.Debug.LogError("Ecode lua failed. file not fou" + exeName);
return;
}
string arguments = "-b " + basePath + path + " " + outPath;
Process.Start(exeName, arguments);
//#else
// byte[] bytes = XXTEA.Encrypt(File.ReadAllBytes(basePath + path), XXTEA.defaultKey);
// File.WriteAllBytes(outPath, bytes);
#endif
}
static void DeIni()
{
var file = File.ReadAllBytes(@"C:\Users\liubo\Nox_share\App\LegionData");
var data = Copy(file, 0);
byte[] keys = { 0x4A, 0x89, 0xF1, 0xF1,
0xFB, 0xB2, 0x46, 0x23,
0xC2, 0x1C, 7, 0x8E,
0xF6, 0xEC, 0xCD, 0xF9 };
byte[] keys2 =
{
0x24, 0x54, 0x26, 0x89,
0xA8, 0x1C, 0x9C, 0xA6,
0xD1, 0x50, 0x17, 0xB,
0x5B, 0x6C, 5, 0xF6
};
var newdata = XXTEA.Decrypt(data, keys);
File.WriteAllBytes("2.ini", newdata);
//newdata = CopyLua(newdata);
//var newdata2 = XXTEA.Decrypt(newdata, keys);
// File.WriteAllBytes("1.lua", newdata2);
}
private static void ParseStorageFile(StorageMetadata metadata, Stream storageStream, ulong?profileKey = null)
{
byte[] data = null;
using (BinaryReader reader = new BinaryReader(storageStream))
{
data = reader.ReadBytes((int)reader.BaseStream.Length);
}
var rawSha256 = new SHA256Managed().ComputeHash(data);
var sha256 = BitConverter.ToString(rawSha256).Replace("-", "");
if (sha256 != metadata.SHA256)
{
throw new InvalidDataException("Invalid storage file. Corrupt or wrong file?");
}
if (metadata.StorageVersion == STORAGE_VERSION_V1)
{
var key = GenerateKey(metadata, profileKey);
var decryptedData = XXTEA.Decrypt(data, key);
var output = Decompress(metadata, decryptedData);
// Verify data
SpookyHash sh = new SpookyHash(0x155af93ac304200, 0x8ac7230489e7ffff);
sh.Update(new SHA256Managed().ComputeHash(output));
sh.Update(output);
ulong hash1, hash2;
sh.Final(out hash1, out hash2);
ulong orig_hash1 = metadata.Key[0];
ulong orig_hash2 = metadata.Key[1];
if (orig_hash1 != hash1 || orig_hash2 != hash2)
{
throw new InvalidDataException("Invalid decrypted data. Wrong key?");
}
metadata.StorageRaw = output;
}
else
{
SpookyHash sh = new SpookyHash(0x155af93ac304200, 0x8ac7230489e7ffff);
sh.Update(rawSha256);
sh.Update(data);
ulong hash1, hash2;
sh.Final(out hash1, out hash2);
ulong orig_hash1 = metadata.Key[0];
ulong orig_hash2 = metadata.Key[1];
if (orig_hash1 != hash1 || orig_hash2 != hash2)
{
throw new InvalidDataException("Invalid decrypted data. Wrong key?");
}
metadata.StorageRaw = data;
}
}
private Byte[] DecryptString(Byte[] data, Byte level)
{
if (encryptMode >= level)
{
data = XXTEA.Decrypt(data, key);
}
return(data);
}
internal static byte[] RsaEncryptBase(MemoryStream stream, RSACryptoServiceProvider rsa, byte[] encryptKey, HashAlgorithm hashAlgorithm)
{
var signData = rsa.SignData(stream.ToArray(), hashAlgorithm);
stream.Write(signData, 0, signData.Length);
stream.WriteByte(Convert.ToByte(signData.Length));
return(XXTEA.Encrypt(stream.ToArray(), encryptKey));
}
private Byte[] Decrypt(Byte[] data, Byte level, Byte encryptMode)
{
if (key != null && encryptMode >= level)
{
data = XXTEA.Decrypt(data, key);
}
return(data);
}
public static void Main (string[] args) {
String str = "Hello World! 你好，中国！";
String key = "1234567890";
String encrypt_data = XXTEA.EncryptToBase64String(str, key);
Console.WriteLine(encrypt_data);
Debug.Assert("QncB1C0rHQoZ1eRiPM4dsZtRi9pNrp7sqvX76cFXvrrIHXL6" == encrypt_data);
String decrypt_data = XXTEA.DecryptBase64StringToString(encrypt_data, key);
Debug.Assert(str == decrypt_data);
}
private void CryptoClientForm_Load(object sender, EventArgs e)
{
this.tbSrcPath.Text = ".\\" + this.defaultSrcPath;
this.tbDstPath.Text = ".\\" + this.defaultDstPath;
this.defaultSrcPath = AppDomain.CurrentDomain.BaseDirectory.ToString() + this.defaultSrcPath;
this.defaultDstPath = AppDomain.CurrentDomain.BaseDirectory.ToString() + this.defaultDstPath;
string[] srcDicFiles = Directory.GetFiles(this.defaultSrcPath);
foreach (string f in srcDicFiles)
{
this.lbFilesToEncrypt.Items.Add(f);
}
string[] dstDicFiles = Directory.GetFiles(this.defaultDstPath);
foreach (string f in dstDicFiles)
{
this.lbEncryptedFiles.Items.Add(f);
}
this.CreateNewFileWatcher();
ICryptoLibrary[] algorithams = new ICryptoLibrary[4];
algorithams[0] = new SimpleSubstitution();
algorithams[1] = new XXTEA();
algorithams[2] = new SHA2();
algorithams[3] = new Knapsack();
specs = new Dictionary <string, byte[]>();
// add algoritams in drop down
ToolStripMenuItem menu = new ToolStripMenuItem("Algorithams");
ToolStripMenuItem item;
for (int i = 0; i < algorithams.Length; i++)
{
item = new ToolStripMenuItem(algorithams[i].ToString());
item.Tag = algorithams[i];
menu.DropDownItems.Add(item);
if (i == 0)
{
this.algoritham = algorithams[i];
}
}
menu.DropDownItemClicked += new System.Windows.Forms.ToolStripItemClickedEventHandler(this.OnClickedItem);
this.msOptions.Items.Add(menu);
this.Init();
tbN.KeyPress += this.tbKey_KeyPress;
tbM.KeyPress += this.tbKey_KeyPress;
tbIM.KeyPress += this.tbKey_KeyPress;
lbHint.Visible = false;
}
private void makeExportFile(Stream s, string data)
{
byte[] buff = Encoding.UTF8.GetBytes(data);
byte[] md5 = Helper.GetMD5(buff);
buff = XXTEA.Encrypt(buff, KEY_CODE);
s.Write(FILE_MARK, 0, FILE_MARK.Length);
s.Write(md5, 0, md5.Length);
s.Write(buff, 0, buff.Length);
s.Close();
}
public IActionResult Indexfile(IFormFile File, string key)
{
fileclass op = new fileclass();
Encryption op2 = new Encryption();
if (File == null || File.Length == 0)
{
return(Content("file not selected"));
}
//get path
string path_Root = _hosting.WebRootPath;
string path_to_files = path_Root + "\\files\\" + File.FileName;
//copyfiles
using (var stream = new FileStream(path_to_files, FileMode.Create))
{
File.CopyTo(stream);
}
// read file
FileStream fileStream = new FileStream(path_to_files, FileMode.Open);
using (StreamReader reader = new StreamReader(fileStream))
{
// string line = reader.ReadLine();
string line = reader.ReadToEnd();
// op.Encryptfile = line;
string str = XXTEA.Encrypt(line, key);
op.Encryptfile = op2.convert_to_RNA(op2.convert_to_dna(op2.split_binary(op2.StringToBinary(str))));
}
downloadtext = op.Encryptfile;
//delete file
FileInfo fi = new FileInfo(path_to_files);
if (fi != null)
{
System.IO.File.Delete(path_to_files);
fi.Delete();
}
///////////////////
//create file or put Encrypt message in file
//path which file put in
string docPath = path_Root + "\\files\\";
// Write the specified text asynchronously to a new file named "WriteTextAsync.txt".
using (StreamWriter outputFile = new StreamWriter(Path.Combine(docPath, "Encryptmessage.txt")))
{
outputFile.Write(downloadtext);
}
return(View("Indexfile", op));
}
internal static byte[] Encrypt(MemoryStream stream, byte[] validateKey, byte[] encryptKey, HashAlgorithm hashAlgorithm)
{
var length = stream.Length;
stream.Write(validateKey, 0, validateKey.Length);
var hash = hashAlgorithm.ComputeHash(stream.ToArray());
stream.SetLength(length);
stream.Write(hash, 0, hash.Length);
return(XXTEA.Encrypt(stream.ToArray(), encryptKey));
}
internal static byte[] RsaDecryptBase(byte[] data, RSACryptoServiceProvider rsa, byte[] encryptKey, HashAlgorithm hashAlgorithm)
{
var input = XXTEA.Decrypt(data, encryptKey);
var hashLength = input[input.Length - 1];
var hashData = new byte[hashLength];
var signData = new byte[input.Length - hashLength - 1];
Buffer.BlockCopy(input, input.Length - hashLength - 1, hashData, 0, hashLength);
Buffer.BlockCopy(input, 0, signData, 0, signData.Length);
return(rsa.VerifyData(signData, hashAlgorithm, hashData) ? signData : null);
}
internal static byte[] Encrypt(byte[] data, byte[] validateKey, byte[] encryptKey, HashAlgorithm hashAlgorithm)
{
using (var stream = new MemoryStream()) {
var length = data.Length;
stream.Write(data, 0, length);
stream.Write(validateKey, 0, validateKey.Length);
var hash = hashAlgorithm.ComputeHash(stream.ToArray());
stream.SetLength(length);
stream.Write(hash, 0, hash.Length);
return(XXTEA.Encrypt(stream.ToArray(), encryptKey));
}
}
protected override IScsMessage DeserializeMessage(byte[] bytes)
{
if (encrypt)
{
bytes = XXTEA.Decrypt(bytes, keys);
}
if (compress)
{
bytes = CompressionManager.DecompressGZip(bytes);
}
return(base.DeserializeMessage(bytes));
}
public static void xxteaEncode(string path)
{
string basePath = Application.dataPath;
path = path.Replace("Assets/", "/");
string dir = Path.GetDirectoryName(path);
string fname = Path.GetFileNameWithoutExtension(path);
string fext = Path.GetExtension(path);
string outPath = basePath + dir + "/" + fname + fext;
outPath = outPath.Replace("/upgradeRes4Dev", "/upgradeRes4Publish");
Directory.CreateDirectory(Path.GetDirectoryName(outPath));
byte[] bytes = XXTEA.Encrypt(System.Text.Encoding.UTF8.GetBytes(File.ReadAllText(basePath + path)), XXTEA.defaultKey);
File.WriteAllBytes(outPath, bytes);
}
protected override byte[] SerializeMessage(IScsMessage message)
{
var bytes = base.SerializeMessage(message);
if (compress)
{
bytes = CompressionManager.CompressGZip(bytes);
}
if (encrypt)
{
bytes = XXTEA.Encrypt(bytes, keys);
}
return(bytes);
}
private void SendOutput()
{
if (encryptMode >= 3)
{
buffer.Append("phprpc_output=\"");
buffer.Append(EncodeString(XXTEA.Encrypt(encoding.GetBytes(output), key)));
buffer.Append("\";\r\n");
}
else
{
buffer.Append("phprpc_output=\"");
buffer.Append(EncodeString(output));
buffer.Append("\";\r\n");
}
}
private void SolveLoginPuzzle(uint[] v, uint[] k, byte unknown)
{
for (uint guess = 0; guess < uint.MaxValue; guess++)
{
k[3] = guess;
uint[] vClone = (uint[])v.Clone();
XXTEA.Encrypt(vClone, k, 6);
uint solution = vClone[1];
if (solution >> (32 - unknown) == 0 && (solution & (0x80000000 >> unknown)) != 0)
{
return;
}
}
throw new Exception("Failed to solve login puzzle");
}
MemoryStream DeompressAndDecryptLZMA(string path, bool fromResourcesPath = false)
{
MemoryStream output = new MemoryStream();
byte[] inputBytes = null;
TextAsset objInResources = null;
if (fromResourcesPath)
{
objInResources = Resources.Load(path, typeof(TextAsset)) as TextAsset;
if (objInResources == null)
{
return(null);
}
inputBytes = objInResources.bytes;
}
else
{
inputBytes = File.ReadAllBytes(path);
}
Decoder coder = new Decoder();
byte[] decryptedBytes = string.IsNullOrEmpty(password) ? inputBytes : XXTEA.Decrypt(inputBytes, password);
using (MemoryStream mem = new MemoryStream())
{
using (BinaryWriter binWriter = new BinaryWriter(mem))
{
binWriter.Write(decryptedBytes);
mem.Position = 0;
using (BinaryReader binReader = new BinaryReader(mem))
{
byte[] properties = new byte[5];
binReader.Read(properties, 0, 5);
byte[] fileLengthBytes = new byte[8];
binReader.Read(fileLengthBytes, 0, 8);
long fileLength = BitConverter.ToInt64(fileLengthBytes, 0);
coder.SetDecoderProperties(properties);
coder.Code(mem, output, inputBytes.Length, fileLength, null);
}
}
}
if (objInResources != null)
{
Resources.UnloadAsset(objInResources);
}
return(output);
}
static void TeaTest()
{
var key = Encoding.UTF8.GetBytes("288A339E65244CC995154A686C651B1E");
var encrypted = XXTEA.Encrypt(key, Encoding.UTF8.GetBytes(original));
string roundtrip = Encoding.UTF8.GetString(XXTEA.Decrypt(key, encrypted));
string hex = Epic.Converters.HexString.Encode(encrypted);
string base64 = Convert.ToBase64String(encrypted);
//Display the original data and the decrypted data.
Console.WriteLine($"Tea:");
Console.WriteLine("Key: {0}", key.Length);
Console.WriteLine("Byte: {0}", encrypted.Length);
Console.WriteLine("Hex: {0}, {1}", hex.Length, hex);
Console.WriteLine("Base64: {0}, {1}", base64.Length, base64);
Console.WriteLine("Decode: {0}", roundtrip);
Console.WriteLine();
}
private void SaveLogonName(string loginName)
{
AppConfigs ac = new AppConfigs();
//如果在appconfig中还不存在该用户，则保存该用户登陆名
if (!ac.valueExistInAppSettings(loginName))
{
ac.addAppSettings("user", loginName);
//如果选择了记住密码，则保存对应密码
if (chb_remberPassword.IsChecked.Value)
{
System.Text.Encoding encoder = System.Text.Encoding.UTF8;
Byte[] data = XXTEA.Encrypt(encoder.GetBytes(pwdPassword.Password), encoder.GetBytes("1234567890abcdef"));
string password = System.Convert.ToBase64String(data);
ac.addAppSettings(loginName, password);
}
}
//如果该用户已经存在，则判断是否选择保存密码
else
{
if (chb_remberPassword.IsChecked.Value)
{
//如果保存密码，则察看该用户密码是否已经存在,如果不存在则保存密码
System.Text.Encoding encoder = System.Text.Encoding.UTF8;
Byte[] data = XXTEA.Encrypt(encoder.GetBytes(pwdPassword.Password), encoder.GetBytes("1234567890abcdef"));
string password = System.Convert.ToBase64String(data);
if (!ac.keyExistInAppSettings(loginName))
{
ac.addAppSettings(loginName, password);
}
else
{
ac.updateAppSettings(loginName, password);
}
}
else
{
//如果不保存密码，则察看该用户密码是否已经存在，如果存在则删除该密码
if (ac.keyExistInAppSettings(loginName))
{
ac.delAppSettings(loginName);
}
}
}
}
static void DePngs()
{
var files = Directory.GetFiles(@"C:\__temp\Idle Knife_1.0.17\assets", "*.png", SearchOption.AllDirectories);
foreach (var file in files)
{
Console.WriteLine(file);
var filedata = File.ReadAllBytes(file);
if (filedata[0] == 'K' && filedata[1] == 'I' && filedata[2] == 'N' && filedata[3] == 'G')
{
}
else
{
Console.WriteLine(" 此文件已被解密");
continue;
}
var data = Copy(filedata, 4);
byte[] keys2 =
{
0x24, 0x54, 0x26, 0x89,
0xA8, 0x1C, 0x9C, 0xA6,
0xD1, 0x50, 0x17, 0xB,
0x5B, 0x6C, 5, 0xF6
};
var newdata = XXTEA.Decrypt(data, keys2);
try
{
//newdata = CopyPng2(newdata);
newdata = UnZip(newdata);
}
catch (Exception)
{
Console.WriteLine("此文件解码错误。");
}
File.WriteAllBytes(file + ".bak", filedata);
File.WriteAllBytes(file, newdata);
}
}
static void DePng()
{
var file = File.ReadAllBytes(@"C:\__temp\Idle Knife_1.0.17\assets\GameScene\BulletStreak.png");
var data = Copy(file, 4);
byte[] keys2 =
{
0x24, 0x54, 0x26, 0x89,
0xA8, 0x1C, 0x9C, 0xA6,
0xD1, 0x50, 0x17, 0xB,
0x5B, 0x6C, 5, 0xF6
};
var newdata = XXTEA.Decrypt(data, keys2);
newdata = CopyPng(newdata);
// newdata = Copy(newdata, 7 * 16 - 1);
File.WriteAllBytes("1.png", newdata);
}
public void CompressAndEncryptLZMA(string inputPath, string outputPath)
{
using (MemoryStream inputStream = new MemoryStream(File.ReadAllBytes(inputPath)))
{
Encoder coder = new Encoder();
using (MemoryStream compressStream = new MemoryStream())
{
coder.WriteCoderProperties(compressStream);
compressStream.Write(BitConverter.GetBytes(inputStream.Length), 0, 8);
coder.Code(inputStream, compressStream, inputStream.Length, -1, null);
if (string.IsNullOrEmpty(Config.password))
{
File.WriteAllBytes(outputPath, compressStream.ToArray());
}
else
{
File.WriteAllBytes(outputPath, XXTEA.Encrypt(compressStream.ToArray(), Config.password));
}
}
}
}
