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https://issues.apache.org/jira/browse/PDFBOX-4808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Tilman Hausherr closed PDFBOX-4808.
-----------------------------------
Resolution: Not A Bug
Closing as this is not a bug. You can still comment. I read in SO that you're
using jdk 1.7. You should update to 1.8 at least, e.g. Amazon Corretto.
> Issue while merging documents
> -----------------------------
>
> Key: PDFBOX-4808
> URL: https://issues.apache.org/jira/browse/PDFBOX-4808
> Project: PDFBox
> Issue Type: Bug
> Components: Crypto
> Affects Versions: 2.0.9
> Reporter: Sunil
> Priority: Major
> Attachments: screenshot-1.png
>
>
>
> I am trying PDFBox for merging multiple PDF documents. Code is below. I am
> facing an issue. For a few PDF files i am getting "java.io.IOException:
> java.security.InvalidKeyException: Illegal key size". I am not sure what is
> going on. Could someone please help me ?
> Could you please also let me know if PDFBox has restriction on
> PDFstandards/types etc ?
>
> {{ PDFMergerUtility PDFutility = new
> PDFMergerUtility();ByteArrayOutputStream mergedPdf = new
> ByteArrayOutputStream();PDFutility.addSources(pdfDocs);PDFutility.setDestinationStream(mergedPdf);PDFutility.mergeDocuments();}}
> {{}}
> Caused by: java.io.IOException: java.security.InvalidKeyException: Illegal
> key size at
> org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.computeEncryptedKeyRev56(StandardSecurityHandler.java:779)
> at
> org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.computeEncryptedKey(StandardSecurityHandler.java:681)
> at
> org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.prepareForDecryption(StandardSecurityHandler.java:256)
> at
> org.apache.pdfbox.pdfparser.COSParser.prepareDecryption(COSParser.java:2929)
> at org.apache.pdfbox.pdfparser.COSParser.retrieveTrailer(COSParser.java:286)
> at org.apache.pdfbox.pdfparser.PDFParser.initialParse(PDFParser.java:173) at
> org.apache.pdfbox.pdfparser.PDFParser.parse(PDFParser.java:226) at
> org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1222) at
> org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1140) at
> org.apache.pdfbox.multipdf.PDFMergerUtility.legacyMergeDocuments(PDFMergerUtility.java:455)
> at
> org.apache.pdfbox.multipdf.PDFMergerUtility.mergeDocuments(PDFMergerUtility.java:346)
> at
> org.apache.pdfbox.multipdf.PDFMergerUtility.mergeDocuments(PDFMergerUtility.java:330){{}}
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