From 72e056436c84f401622d8042ebddf94048d17c33 Mon Sep 17 00:00:00 2001
From: "James R. Barlow" <james@purplerock.ca>
Date: Sat, 12 Aug 2023 00:59:54 -0700
Subject: [PATCH] Add simple signature detection

---
 src/ocrmypdf/pdfinfo/info.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/ocrmypdf/pdfinfo/info.py b/src/ocrmypdf/pdfinfo/info.py
index 13dd8438..c2b8be54 100644
--- a/src/ocrmypdf/pdfinfo/info.py
+++ b/src/ocrmypdf/pdfinfo/info.py
@@ -988,6 +988,7 @@ class PdfInfo:
                     self._has_acroform = True
                 elif Name.XFA in pdf.Root.AcroForm:
                     self._has_acroform = True
+                self._has_signature = bool(pdf.Root.AcroForm.get(Name.SigFlags, 0) & 1)
 
     @property
     def pages(self) -> Sequence[PageInfo | None]: