Andreas Lehmkühler created PDFBOX-2458:
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Summary: Signing doesn't work anymore using BC 1.51 instead of 1.50
Key: PDFBOX-2458
URL: https://issues.apache.org/jira/browse/PDFBOX-2458
Project: PDFBox
Issue Type: Bug
Components: Signing
Affects Versions: 1.8.7, 2.0.0
Reporter: Andreas Lehmkühler
Assignee: Andreas Lehmkühler
Fix For: 2.0.0, 1.8.7
Due to a report of David Wall on users@ signing no longer works using BC 1.51
instead of 1.50.
{quote}
I'm now getting an invalid digital signature that I created on PDFs we generate
(via wkhtmltopdf and PDFBox 1.8.7). It says "At least one signature is
invalid" but I previously could create them with valid signatures. This
occurred when going from BouncyCastle 1.50 to 1.51, and if I go back to 1.50,
it works fine.
The invalid signature complains that the "Document has been altered or
corrupted since it was signed".
Here's a link to an existing PDF that has an invalid signature:
http://open.esignforms.com/pdfboxlist/MyDocumentsGOOD.pdf (using BC 1.50)
http://open.esignforms.com/pdfboxlist/MyDocumentsBAD.pdf (using BC 1.51)
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