/// <returns>the signatureFormat</returns>
public virtual string GetSignatureFormat()
{
string signatureFormat = null;
if (signature is CAdESSignature)
{
signatureFormat = "PAdES";
}
else
{
throw new InvalidOperationException("Unsupported AdvancedSignature " + signature.
GetType().FullName);
}
return(signatureFormat);
}
