EndrePető created PDFBOX-4091:
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Summary: Cannot analyze signatures : Wrong type of referenced
length object COSObject
Key: PDFBOX-4091
URL: https://issues.apache.org/jira/browse/PDFBOX-4091
Project: PDFBox
Issue Type: Bug
Reporter: EndrePető
Attachments: E-SZ00104418_20180111_040700.pdf
Dear Colleagues,
>From one of our customer, we have got a pdf. According them and the adobe
>there is a PKCS7 signature but according the DSS 5.2 there is no. I attached
>this voucher.
What do you think?
One of DSS developer quickly checked their log and we got:
e.e.e.d.p.pdfbox.PdfBoxSignatureService : Cannot analyze signatures : Wrong
type of referenced length object COSObject
Unknown macro: \{8, 0}
: COSDictionary
java.io.IOException: Wrong type of referenced length object COSObject
: COSDictionary
at org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:908)
~[pdfbox-2.0.7.jar!/:2.0.7]
at org.apache.pdfbox.pdfparser.COSParser.parseCOSStream(COSParser.java:950)
~[pdfbox-2.0.7.jar!/:2.0.7]
at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:781)
~[pdfbox-2.0.7.jar!/:2.0.7]
at
org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:742)
~[pdfbox-2.0.7.jar!/:2.0.7]
at
org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:673)
~[pdfbox-2.0.7.jar!/:2.0.7]
at org.apache.pdfbox.pdfparser.COSParser.parseDictObjects(COSParser.java:633)
~[pdfbox-2.0.7.jar!/:2.0.7]
at org.apache.pdfbox.pdfparser.PDFParser.initialParse(PDFParser.java:241)
~[pdfbox-2.0.7.jar!/:2.0.7]
at org.apache.pdfbox.pdfparser.PDFParser.parse(PDFParser.java:276)
~[pdfbox-2.0.7.jar!/:2.0.7]
at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1224)
~[pdfbox-2.0.7.jar!/:2.0.7]
at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1201)
~[pdfbox-2.0.7.jar!/:2.0.7]
at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1182)
~[pdfbox-2.0.7.jar!/:2.0.7]
at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1165)
~[pdfbox-2.0.7.jar!/:2.0.7]
at
eu.europa.esig.dss.pdf.pdfbox.PdfBoxSignatureService.getSignatures(PdfBoxSignatureService.java:321)
[dss-pades-5.2.jar!/:na]
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