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Posted to dev@pdfbox.apache.org by "Pat Hickey (JIRA)" <ji...@apache.org> on 2016/02/10 23:17:18 UTC
[jira] [Commented] (PDFBOX-3229) Decryption fails when Metadata not
encrypted but EncryptMetadata is true/default.
[ https://issues.apache.org/jira/browse/PDFBOX-3229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15141810#comment-15141810 ]
Pat Hickey commented on PDFBOX-3229:
------------------------------------
URL: http://pharmacychain366.ru/wp-content/files_mf/1431539883%D0%9E%D1%82%D1%87%D0%B5%D1%82%D0%BD%D0%BE%D1%81%D1%82%D1%8C%D0%9C%D0%A1%D0%A4%D0%9E%D0%B8%D0%B0%D1%83%D0%B4%D0%B8%D1%82%D0%BE%D1%80%D1%81%D0%BA%D0%BE%D0%B5%D0%B7%D0%B0%D0%BA%D0%BB%D1%8E%D1%87%D0%B5%D0%BD%D0%B8%D0%B5%D0%B7%D0%B02014%D0%B3..pdf
Stack trace (pdfbox-1.8.11):
Feb 10, 2016 12:35:15 PM org.apache.pdfbox.pdfparser.PDFParser parse
INFO: Document is encrypted
PDFDebugger failed with the following exception:
org.apache.pdfbox.exceptions.WrappedIOException: Input length must be multiple of 16 when decrypting with padded cipher
at org.apache.pdfbox.pdmodel.encryption.SecurityHandler.encryptData(SecurityHandler.java:368)
at org.apache.pdfbox.pdmodel.encryption.SecurityHandler.decryptStream(SecurityHandler.java:472)
at org.apache.pdfbox.pdmodel.encryption.SecurityHandler.decrypt(SecurityHandler.java:430)
at org.apache.pdfbox.pdmodel.encryption.SecurityHandler.decryptObject(SecurityHandler.java:400)
at org.apache.pdfbox.pdmodel.encryption.SecurityHandler.proceedDecryption(SecurityHandler.java:218)
at org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.decryptDocument(StandardSecurityHandler.java:158)
at org.apache.pdfbox.pdmodel.PDDocument.openProtection(PDDocument.java:1612)
at org.apache.pdfbox.pdmodel.PDDocument.decrypt(PDDocument.java:958)
at org.apache.pdfbox.PDFDebugger.parseDocument(PDFDebugger.java:412)
at org.apache.pdfbox.PDFDebugger.readPDFFile(PDFDebugger.java:387)
at org.apache.pdfbox.PDFDebugger.main(PDFDebugger.java:375)
at org.apache.pdfbox.PDFBox.main(PDFBox.java:78)
Caused by: javax.crypto.IllegalBlockSizeException: Input length must be multiple of 16 when decrypting with padded cipher
at com.sun.crypto.provider.SunJCE_f.b(DashoA13*..)
at com.sun.crypto.provider.SunJCE_f.b(DashoA13*..)
at com.sun.crypto.provider.AESCipher.engineDoFinal(DashoA13*..)
at javax.crypto.Cipher.doFinal(DashoA13*..)
at org.apache.pdfbox.pdmodel.encryption.SecurityHandler.encryptData(SecurityHandler.java:348)
... 11 more
> Decryption fails when Metadata not encrypted but EncryptMetadata is true/default.
> ---------------------------------------------------------------------------------
>
> Key: PDFBOX-3229
> URL: https://issues.apache.org/jira/browse/PDFBOX-3229
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel
> Affects Versions: 1.8.6, 1.8.9, 1.8.11
> Reporter: Pat Hickey
> Priority: Minor
>
> Parsing with either the top-down or bottom-up parser fails for encrypted document whose Metadata is not encrypted but whose EncryptMetadata flag is true or missing (defaults to true). The document should set EncryptMetadata false, but, unfortunately, does not.
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