/// <summary>
/// Gets the data from a custom certificate extension. [oid]
/// </summary>
/// <param name="extension">The extension to use.</param>
/// <returns></returns>
public static string GetCustomOIDValue(X509Extension extension)
{
ASN1Element element = new ASN1Element(extension.RawData, 0);
return(ConvertHex(BitConverter.ToString(element.Value).Replace("-", "").Replace("00", "")));
}