GetPDFMACStatus
Security and signatures
Description
Returns the current PDF MAC validation or generation status for the selected document
Syntax
Delphi
Function TPDFlib.GetPDFMACStatus: Integer;ActiveX
Function PDFlib::GetPDFMACStatus() As LongDLL
int DLGetPDFMACStatus(int InstanceID);Return values
| 0 | No PDF MAC is present |
|---|---|
| 1 | A standalone PDF MAC is valid |
| 2 | PDF MAC is required but the authentication code is missing |
| 3 | The PDF MAC structure or CMS token is malformed |
| 4 | The byte ranges do not cover the complete file correctly |
| 5 | An algorithm or token location is unsupported |
| 6 | The MAC key could not be unwrapped |
| 7 | The document digest or authentication value does not match |
| 8 | PDF MAC generation failed |
Remarks
Protected documents are validated automatically during load after password verification and before page content is exposed
A failed load reports a specific code from 413 through 417 through LastErrorCode