public void ExportPrivateKey(string filename)
{
if (Rsa.PublicOnly)
{
throw new Exception("no private key!");
}
AesFileEncryptionPrivider.WriteFile(PrivateKey, filename);
}
public KeyContainer(string filepath)
{
PrivateKey = AesFileEncryptionPrivider.ReadFile(filepath);
Rsa = new RSACryptoServiceProvider();
Rsa.ImportCspBlob(PrivateKey);
PrivateKey = Rsa.ExportCspBlob(true);
PublicKey = Rsa.ExportCspBlob(false);
PublicKeyS = Convert.ToBase64String(PublicKey);
}