'sigandcertify': True results in invalid signature
See original GitHub issueHi, I was having some problems with cms.sign
. I tried running the example with my own cert file which resulted in an invalid signature due to changes to the document.
but if I set sigandcertify
to False then the signature is perfectly fine:
Is there something I am doing wrong?
Or I am not understainding the usage of sigandcertify
?
Thanks a lot
Issue Analytics
- State:
- Created 3 years ago
- Comments:9 (6 by maintainers)
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My experience with acrobat reader shows that an invalid file after signing generates strange problems in this program.
Untitled1.pdf is not valid, error (s): 8.1: A Mandatory element is missing, Unable to process an element if it is null. 7.2: Error on MetaData, CreatorTool present in the document catalog dictionary can’t be found in XMP information (Property is not defined) 7.11: Error on MetaData, PDF / A identification schema http://www.aiim.org/pdfa/ns/id/ is missing
Both documents signed with the same program but with different certificates, and one is marked as a modified document, and the other only unknown signature value? For me it is definitely not an endesive problem.