public string EncodeData(string data)
{
if (!hasPublicKeys)
{
throw new NotSupportedException("You need to load keys first");
}
var rsa = new RsaEncryptor(_encpubkeyN, _encpubkeyE);
var encString = Convert.ToBase64String(_encoding.GetBytes(data));
var num = (double)encString.Length / 245;
var resTotal = string.Empty;
for (int i = 0; i < num; i++)
{
var index = i * 245;
var length = 245;
if (index + 245 > encString.Length)
{
length = encString.Length - index;
}
var encData = encString.Substring(index, length);
var res = rsa.EncryptData(encData);
resTotal += res;
}
return resTotal;
}