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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PDFBOX-4413) Add support for AES256 encryption for public key
Date Sat, 22 Dec 2018 18:07:00 GMT

    [ https://issues.apache.org/jira/browse/PDFBOX-4413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16727511#comment-16727511

ASF subversion and git services commented on PDFBOX-4413:

Commit 1849559 from Tilman Hausherr in branch 'pdfbox/trunk'
[ https://svn.apache.org/r1849559 ]

PDFBOX-4413: save to file instead of to baos; compare contents; fix bug in testMultipleRecipients
due to impossibility to save twice due to encryption of everything; use try-with-resources

> Add support for AES256 encryption for public key
> ------------------------------------------------
>                 Key: PDFBOX-4413
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-4413
>             Project: PDFBox
>          Issue Type: Improvement
>          Components: Crypto
>    Affects Versions: 2.0.13
>            Reporter: Tilman Hausherr
>            Priority: Major
> Adobe 9 added support for AES 256 encryption. This should also be implemented for public
key encryption, currently it is only implemented for symmetric key encryption.
> Further information is available at [http://www.adobe.com/content/dam/Adobe/en/devnet/acrobat/pdfs/adobe_supplement_iso32000.pdf].
> I suspect that much of it is already available in the base class, but PublicKeySecurityHandler.prepareDocumentForEncryption()
is definitively old stuff.

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