public static string CutStringProlongSymbol(string originalVal, int cutLength)
{
if (originalVal.Length <= cutLength)
{
return(originalVal);
}
return(TextUtility.CutLeft(originalVal, cutLength) + TextUtility.PROLONG_SYMBOL);
}
public static string CutStringProlongSymbol(string originalVal, int cutLength, string prolongSymbol)
{
if (string.IsNullOrEmpty(prolongSymbol))
{
prolongSymbol = TextUtility.PROLONG_SYMBOL;
}
return(TextUtility.CutLeft(originalVal, cutLength) + prolongSymbol);
}
public static string Encrypt(string plainText, string cipherkey)
{
cipherkey = TextUtility.CutLeft(cipherkey, 0x20);
cipherkey = cipherkey.PadRight(0x20, ' ');
ICryptoTransform transform = new RijndaelManaged {
Key = Encoding.UTF8.GetBytes(cipherkey.Substring(0, 0x20)), IV = Keys
}.CreateEncryptor();
byte[] bytes = Encoding.UTF8.GetBytes(plainText);
return(Convert.ToBase64String(transform.TransformFinalBlock(bytes, 0, bytes.Length)));
}
public static byte[] EncryptBuffer(byte[] plainText, string cipherkey)
{
cipherkey = TextUtility.CutLeft(cipherkey, 0x20);
cipherkey = cipherkey.PadRight(0x20, ' ');
RijndaelManaged managed = new RijndaelManaged {
Key = Encoding.UTF8.GetBytes(cipherkey.Substring(0, 0x20)),
IV = Keys
};
return(managed.CreateEncryptor().TransformFinalBlock(plainText, 0, plainText.Length));
}
public static byte[] EncryptBuffer(byte[] plainText, string cipherkey)
{
cipherkey = TextUtility.CutLeft(cipherkey, 32);
cipherkey = cipherkey.PadRight(32, ' ');
RijndaelManaged rijndaelManaged = new RijndaelManaged();
rijndaelManaged.Key = Encoding.UTF8.GetBytes(cipherkey.Substring(0, 32));
rijndaelManaged.IV = Keys;
RijndaelManaged rijndaelManaged2 = rijndaelManaged;
return(rijndaelManaged2.CreateEncryptor().TransformFinalBlock(plainText, 0, plainText.Length));
}
public static string Encrypt(string plainText, string cipherkey)
{
cipherkey = TextUtility.CutLeft(cipherkey, 32);
cipherkey = cipherkey.PadRight(32, ' ');
RijndaelManaged rijndaelManaged = new RijndaelManaged();
rijndaelManaged.Key = Encoding.UTF8.GetBytes(cipherkey.Substring(0, 32));
rijndaelManaged.IV = Keys;
ICryptoTransform cryptoTransform = rijndaelManaged.CreateEncryptor();
byte[] bytes = Encoding.UTF8.GetBytes(plainText);
return(Convert.ToBase64String(cryptoTransform.TransformFinalBlock(bytes, 0, bytes.Length)));
}
public static string Encrypt(string encryptString, string encryptKey)
{
encryptKey = TextUtility.CutLeft(encryptKey, 8);
encryptKey = encryptKey.PadRight(8, ' ');
byte[] bytes = Encoding.UTF8.GetBytes(encryptKey.Substring(0, 8));
byte[] keys = Keys;
byte[] buffer = Encoding.UTF8.GetBytes(encryptString);
DESCryptoServiceProvider provider = new DESCryptoServiceProvider();
MemoryStream stream = new MemoryStream();
CryptoStream stream2 = new CryptoStream(stream, provider.CreateEncryptor(bytes, keys), CryptoStreamMode.Write);
stream2.Write(buffer, 0, buffer.Length);
stream2.FlushFinalBlock();
return(Convert.ToBase64String(stream.ToArray()));
}
public static byte[] DecryptBuffer(byte[] cipherText, string cipherkey)
{
try
{
cipherkey = TextUtility.CutLeft(cipherkey, 0x20);
cipherkey = cipherkey.PadRight(0x20, ' ');
RijndaelManaged managed = new RijndaelManaged {
Key = Encoding.UTF8.GetBytes(cipherkey),
IV = Keys
};
return(managed.CreateDecryptor().TransformFinalBlock(cipherText, 0, cipherText.Length));
}
catch
{
return(null);
}
}
public static byte[] DecryptBuffer(byte[] cipherText, string cipherkey)
{
try
{
cipherkey = TextUtility.CutLeft(cipherkey, 32);
cipherkey = cipherkey.PadRight(32, ' ');
RijndaelManaged rijndaelManaged = new RijndaelManaged();
rijndaelManaged.Key = Encoding.UTF8.GetBytes(cipherkey);
rijndaelManaged.IV = Keys;
RijndaelManaged rijndaelManaged2 = rijndaelManaged;
return(rijndaelManaged2.CreateDecryptor().TransformFinalBlock(cipherText, 0, cipherText.Length));
}
catch
{
return(null);
}
}
public static string Decrypt(string cipherText, string cipherkey)
{
try
{
cipherkey = TextUtility.CutLeft(cipherkey, 0x20);
cipherkey = cipherkey.PadRight(0x20, ' ');
ICryptoTransform transform = new RijndaelManaged {
Key = Encoding.UTF8.GetBytes(cipherkey), IV = Keys
}.CreateDecryptor();
byte[] inputBuffer = Convert.FromBase64String(cipherText);
byte[] bytes = transform.TransformFinalBlock(inputBuffer, 0, inputBuffer.Length);
return(Encoding.UTF8.GetString(bytes));
}
catch
{
return("");
}
}
public static string Decrypt(string cipherText, string cipherkey)
{
try
{
cipherkey = TextUtility.CutLeft(cipherkey, 32);
cipherkey = cipherkey.PadRight(32, ' ');
RijndaelManaged rijndaelManaged = new RijndaelManaged();
rijndaelManaged.Key = Encoding.UTF8.GetBytes(cipherkey);
rijndaelManaged.IV = Keys;
ICryptoTransform cryptoTransform = rijndaelManaged.CreateDecryptor();
byte[] array = Convert.FromBase64String(cipherText);
byte[] bytes = cryptoTransform.TransformFinalBlock(array, 0, array.Length);
return(Encoding.UTF8.GetString(bytes));
}
catch
{
return("");
}
}
public static byte[] DecryptBuffer(byte[] cipherText, string cipherkey)
{
byte[] result;
try
{
cipherkey = TextUtility.CutLeft(cipherkey, 32);
cipherkey = cipherkey.PadRight(32, ' ');
RijndaelManaged rijndaelManaged = new RijndaelManaged
{
Key = Encoding.UTF8.GetBytes(cipherkey),
IV = AES.Keys
};
result = rijndaelManaged.CreateDecryptor().TransformFinalBlock(cipherText, 0, cipherText.Length);
}
catch
{
result = null;
}
return(result);
}
public static string Decrypt(string decryptString, string decryptKey)
{
try
{
decryptKey = TextUtility.CutLeft(decryptKey, 8);
decryptKey = decryptKey.PadRight(8, ' ');
byte[] bytes = Encoding.UTF8.GetBytes(decryptKey);
byte[] keys = Keys;
byte[] buffer = Convert.FromBase64String(decryptString);
DESCryptoServiceProvider provider = new DESCryptoServiceProvider();
MemoryStream stream = new MemoryStream();
CryptoStream stream2 = new CryptoStream(stream, provider.CreateDecryptor(bytes, keys), CryptoStreamMode.Write);
stream2.Write(buffer, 0, buffer.Length);
stream2.FlushFinalBlock();
return(Encoding.UTF8.GetString(stream.ToArray()));
}
catch
{
return("");
}
}
public static string Decrypt(string cipherText, string cipherkey)
{
string result;
try
{
cipherkey = TextUtility.CutLeft(cipherkey, 32);
cipherkey = cipherkey.PadRight(32, ' ');
ICryptoTransform cryptoTransform = new RijndaelManaged
{
Key = Encoding.UTF8.GetBytes(cipherkey),
IV = AES.Keys
}.CreateDecryptor();
byte[] array = Convert.FromBase64String(cipherText);
byte[] bytes = cryptoTransform.TransformFinalBlock(array, 0, array.Length);
result = Encoding.UTF8.GetString(bytes);
}
catch
{
result = "";
}
return(result);
}
public static string Decrypt(string decryptString, string decryptKey)
{
string result;
try
{
decryptKey = TextUtility.CutLeft(decryptKey, 8);
decryptKey = decryptKey.PadRight(8, ' ');
byte[] bytes = Encoding.UTF8.GetBytes(decryptKey);
byte[] keys = DES.Keys;
byte[] array = Convert.FromBase64String(decryptString);
DESCryptoServiceProvider dESCryptoServiceProvider = new DESCryptoServiceProvider();
MemoryStream memoryStream = new MemoryStream();
CryptoStream cryptoStream = new CryptoStream(memoryStream, dESCryptoServiceProvider.CreateDecryptor(bytes, keys), CryptoStreamMode.Write);
cryptoStream.Write(array, 0, array.Length);
cryptoStream.FlushFinalBlock();
result = Encoding.UTF8.GetString(memoryStream.ToArray());
}
catch
{
result = "";
}
return(result);
}