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https://issues.apache.org/jira/browse/PDFBOX-2456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14189123#comment-14189123
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Tilman Hausherr commented on PDFBOX-2456:
-----------------------------------------
There is another weird effect: for the 40bit test, the password is considered
to be a user password with the restricted permissions passed; for the 128bit
test, it is the owner password, which means that the caller has all permissions.
> create TestSymmetricKeyEncryption.java
> --------------------------------------
>
> Key: PDFBOX-2456
> URL: https://issues.apache.org/jira/browse/PDFBOX-2456
> Project: PDFBox
> Issue Type: Improvement
> Components: Utilities
> Affects Versions: 2.0.0
> Environment: java7 debian7
> Reporter: Ralf Hauser
> Fix For: 2.0.0
>
> Attachments: TestSymmetricKeyEncryption.java,
> TestSymmetricKeyEncryption.java, enc128bit_20141025_115145.pdf,
> enc256bit_20141025_105451.pdf, preEnc_20141025_105451.pdf,
> preEnc_20141025_115145.pdf
>
>
> similarly to org.apache.pdfbox.encryption.TestPublicKeyEncryption, also test
> password based encryption
> 1) 128bit
> 2) 256bit AES PDFBOX-1594
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