/// <summary>
/// Encrypt data by private key.
/// </summary>
/// <param name="dataBytes">Need to encrypt data</param>
/// <returns></returns>
public byte[] EncryptByPrivateKey(byte[] dataBytes)
{
if (PrivateRsa is null)
{
throw new ArgumentException("private key can not null");
}
return(PrivateRsa.EncryptValue(dataBytes));
}