public static string Encrypt(string plainText, string passPhrase)
{
//IL_0066: Unknown result type (might be due to invalid IL or missing references)
//IL_006d: Expected O, but got Unknown
byte[] array = Generate256BitsOfRandomEntropy();
byte[] array2 = Generate256BitsOfRandomEntropy();
byte[] bytes = Encoding.UTF8.GetBytes(plainText);
byte[] bytes2 = new Rfc2898DeriveBytes(passPhrase, array, 1000).GetBytes(32);
RijndaelManaged rijndaelManaged = new RijndaelManaged();
try
{
rijndaelManaged.set_BlockSize(256);
rijndaelManaged.set_Mode(1);
rijndaelManaged.set_Padding(2);
ICryptoTransform val = rijndaelManaged.CreateEncryptor(bytes2, array2);
try
{
using (MemoryStream memoryStream = new MemoryStream())
{
CryptoStream val2 = new CryptoStream((Stream)memoryStream, val, 1);
try
{
((Stream)val2).Write(bytes, 0, bytes.Length);
val2.FlushFinalBlock();
byte[] inArray = array.Concat(array2).ToArray().Concat(memoryStream.ToArray())
.ToArray();
memoryStream.Close();
((Stream)val2).Close();
return(Convert.ToBase64String(inArray));
}
finally
{
((IDisposable)val2)?.Dispose();
}
}
}
finally
{
((IDisposable)val)?.Dispose();
}
}
finally
{
((IDisposable)rijndaelManaged)?.Dispose();
}
}
public static string Decrypt(string cipherText, string passPhrase)
{
//IL_0094: Unknown result type (might be due to invalid IL or missing references)
//IL_009b: Expected O, but got Unknown
byte[] array = Convert.FromBase64String(cipherText);
byte[] salt = array.Take(32).ToArray();
byte[] array2 = array.Skip(32).Take(32).ToArray();
byte[] array3 = array.Skip(64).Take(array.Length - 64).ToArray();
byte[] bytes = new Rfc2898DeriveBytes(passPhrase, salt, 1000).GetBytes(32);
RijndaelManaged rijndaelManaged = new RijndaelManaged();
try
{
rijndaelManaged.set_BlockSize(256);
rijndaelManaged.set_Mode(1);
rijndaelManaged.set_Padding(2);
ICryptoTransform val = rijndaelManaged.CreateDecryptor(bytes, array2);
try
{
using (MemoryStream memoryStream = new MemoryStream(array3))
{
CryptoStream val2 = new CryptoStream((Stream)memoryStream, val, 0);
try
{
byte[] array4 = new byte[array3.Length];
int count = ((Stream)val2).Read(array4, 0, array4.Length);
memoryStream.Close();
((Stream)val2).Close();
return(Encoding.UTF8.GetString(array4, 0, count));
}
finally
{
((IDisposable)val2)?.Dispose();
}
}
}
finally
{
((IDisposable)val)?.Dispose();
}
}
finally
{
((IDisposable)rijndaelManaged)?.Dispose();
}
}