[jira] [Created] (PDFBOX-2458) Signing doesn't work anymore using BC 1.51 instead of 1.50

["Andreas Lehmkühler (JIRA)" <ji...@apache.org>]

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)
{quote}



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