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https://issues.apache.org/jira/browse/PDFBOX-2460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14190529#comment-14190529
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John Hewson edited comment on PDFBOX-2460 at 10/30/14 6:15 PM:
---------------------------------------------------------------
I agree we should be testing this, but I don't think we have the right approach
yet. If we're encrypting and decrypting the files ourselves then there's no
real point in choosing the stronger crypto offered by the JDK over the weaker
crypto, because our goal is to unit test PDFBox, not to unit test the JDK's
crypto (unless there is a meaningful difference in the PDF files which we
generate, beyond just the key length).
The blockers for me currently are:
- If I disable the line {{fail("JCE unlimited strength jurisdiction policy
files are not installed");}} then the test still passes - why? I presume this
is because the 256-bit test hasn't been added yet?
- Is testing with key lengths > 128 actually testing anything other than the
JDK crypto? i.e., does PDFBox do anything meaningfully different for different
key lengths?
was (Author: jahewson):
I agree we should be testing this, but I don't think we have the right approach
yet. If we're encrypting and decrypting the files ourselves then there's no
real point in choosing the stronger crypto offered by the JDK over the weaker
crypto, because our goal is to unit test PDFBox, not to unit test the JDK's
crypto (unless there is a meaningful difference in the PDF files which we
generate, beyond just the key length).
The blockers for me currently are:
- If I disable the line {{fail("JCE unlimited strength jurisdiction policy
files are not installed");}} then the test still passes - why? I presume this
is because the 256-bit test hasn't been added yet?
- Is testing with key lengths actually testing anything other than the JDK
crypto? i.e., does PDFBox do anything meaningfully different for different key
lengths?
> fix TestPublicKeyEncryption.java
> --------------------------------
>
> Key: PDFBOX-2460
> URL: https://issues.apache.org/jira/browse/PDFBOX-2460
> Project: PDFBox
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 2.0.0
> Environment: java7 , deb7
> Reporter: Ralf Hauser
> Assignee: Tilman Hausherr
> Fix For: 2.0.0
>
> Attachments: patch2460Decryption.txt, patch2460DecryptionVerbose.txt,
> patch2460PublicKeyTestCaseOnError.txt
>
>
> as reported by Tilman in PDFBOX-2456
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