using System.Security.Cryptography;
using System.IO;
nih prosedur nya
private static string sKey = "UJYHCX783her*&5@$%#(MJCX**38n*#6835ncv56tvbry(&#MX98cn342cn4*&X#&";
public static string Encrypt(string sPainText)
{
if (sPainText.Length == 0)
return (sPainText);
return (EncryptString(sPainText, sKey));
}
public static string Decrypt(string sEncryptText)
{
if (sEncryptText.Length == 0)
return (sEncryptText);
return (DecryptString(sEncryptText, sKey));
}
protected static string EncryptString(string InputText, string Password)
{
RijndaelManaged RijndaelCipher = new RijndaelManaged();
byte[] PlainText = System.Text.Encoding.Unicode.GetBytes(InputText);
byte[] Salt = Encoding.ASCII.GetBytes(Password.Length.ToString());
PasswordDeriveBytes SecretKey = new PasswordDeriveBytes(Password, Salt);
ICryptoTransform Encryptor = RijndaelCipher.CreateEncryptor(SecretKey.GetBytes(16), SecretKey.GetBytes(16));
MemoryStream memoryStream = new MemoryStream();
CryptoStream cryptoStream = new CryptoStream(memoryStream, Encryptor, CryptoStreamMode.Write);
cryptoStream.Write(PlainText, 0, PlainText.Length);
cryptoStream.FlushFinalBlock();
byte[] CipherBytes = memoryStream.ToArray();
memoryStream.Close();
cryptoStream.Close();
string EncryptedData = Convert.ToBase64String(CipherBytes);
return EncryptedData;
}
protected static string DecryptString(string InputText, string Password)
{
try
{
RijndaelManaged RijndaelCipher = new RijndaelManaged();
byte[] EncryptedData = Convert.FromBase64String(InputText);
byte[] Salt = Encoding.ASCII.GetBytes(Password.Length.ToString());
PasswordDeriveBytes SecretKey = new PasswordDeriveBytes(Password, Salt);
ICryptoTransform Decryptor = RijndaelCipher.CreateDecryptor(SecretKey.GetBytes(16), SecretKey.GetBytes(16));
MemoryStream memoryStream = new MemoryStream(EncryptedData);
CryptoStream cryptoStream = new CryptoStream(memoryStream, Decryptor, CryptoStreamMode.Read);
byte[] PlainText = new byte[EncryptedData.Length];
int DecryptedCount = cryptoStream.Read(PlainText, 0, PlainText.Length);
memoryStream.Close();
cryptoStream.Close();
string DecryptedData = Encoding.Unicode.GetString(PlainText, 0, DecryptedCount);
return DecryptedData;
}
catch (Exception exception)
{
return (exception.Message);
}
}
bisa digunain untuk pengamannan db om-om atopun yang laennya... kalo saya sering juga gunain nya buat generate key masa berlaku sopler:D...
sudah terbukti di crack dari list MD5 Crackers yang ada di Havij gak ada yang bisa...kenapa gak bisa karna emang bukan make MD5 wakakakakakakaka.....
