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Posted to dev@pdfbox.apache.org by "Fabian Meumertzheim (Jira)" <ji...@apache.org> on 2021/02/22 10:33:00 UTC

[jira] [Created] (PDFBOX-5105) IllegalArgumentException in computeEncryptedKeyRev56

Fabian Meumertzheim created PDFBOX-5105:
-------------------------------------------

             Summary: IllegalArgumentException in computeEncryptedKeyRev56
                 Key: PDFBOX-5105
                 URL: https://issues.apache.org/jira/browse/PDFBOX-5105
             Project: PDFBox
          Issue Type: Bug
            Reporter: Fabian Meumertzheim
         Attachments: crash-1db33f5d58786db4ab9f87b8334987127f26aad9.pdf

The attached PDF generates the following stack trace when loaded via Loader.loadPDF (using current Git revision 877fe27feaa36e7d24119b053ef41c4247f0691d):

java.lang.IllegalArgumentException: Null input buffer
	at java.base/javax.crypto.Cipher.doFinal(Cipher.java:2201)
	at org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.computeEncryptedKeyRev56(StandardSecurityHandler.java:751)
	at org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.computeEncryptedKey(StandardSecurityHandler.java:658)
	at org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.prepareForDecryption(StandardSecurityHandler.java:210)
	at org.apache.pdfbox.pdfparser.COSParser.prepareDecryption(COSParser.java:2522)
	at org.apache.pdfbox.pdfparser.COSParser.rebuildTrailer(COSParser.java:1885)
	at org.apache.pdfbox.pdfparser.COSParser.retrieveTrailer(COSParser.java:263)
	at org.apache.pdfbox.pdfparser.PDFParser.initialParse(PDFParser.java:127)
	at org.apache.pdfbox.pdfparser.PDFParser.parse(PDFParser.java:180)
	at org.apache.pdfbox.pdfparser.PDFParser.parse(PDFParser.java:154)
	at org.apache.pdfbox.Loader.loadPDF(Loader.java:204)
	at com.example.PdfBoxFuzzer.fuzzerTestOneInput(PdfBoxFuzzer.java:31)



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