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From "Gavin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PDFBOX-4413) Add support for AES256 encryption for public key
Date Thu, 03 Jan 2019 09:01:00 GMT

    [ https://issues.apache.org/jira/browse/PDFBOX-4413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16732772#comment-16732772
] 

Gavin commented on PDFBOX-4413:
-------------------------------

[~tilman] I've tested against my Certificate and using Adobe Reader to verify the encryption
level. It is showing AES 256. Thank you kindly for your swift assistance.

> 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
>              Labels: AES256
>             Fix For: 2.0.14, 3.0.0 PDFBox
>
>
> 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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