static void DoFileEncryption(string permissions)
{
var byteConverter = new ASCIIEncoding();
var encryptedData = SecurityEncryption.Encrypt(permissions);
byte[] dataToEncrypt = byteConverter.GetBytes(encryptedData);
using(var outStream = new FileStream(ServerSecurityService.FileName, FileMode.OpenOrCreate, FileAccess.Write, FileShare.ReadWrite))
{
outStream.SetLength(0);
outStream.Write(dataToEncrypt, 0, dataToEncrypt.Length);
outStream.Flush();
}
}