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https://issues.apache.org/jira/browse/COMPRESS-380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16301745#comment-16301745
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Stefan Bodewig commented on COMPRESS-380:
-----------------------------------------
Many thanks [~chalmagr84] and sorry for the delay, I should be able to look at
the patch during the next week (but not during christmas :-)
It would be good to have a real test case - a ZIP archive using DEFLATE64 that
we can distribute - in addition to the real unit tests. My version of InfoZIP
zip seems to be compiled without support for it.
Also I wonder whether we want to move the Deflate64 code to a package of its
own.
> Support for ENHANCED_DEFLATED (Deflate64) in ZIP files
> ------------------------------------------------------
>
> Key: COMPRESS-380
> URL: https://issues.apache.org/jira/browse/COMPRESS-380
> Project: Commons Compress
> Issue Type: New Feature
> Reporter: Dawid Weiss
> Attachments: compress-380.diff
>
>
> Some of the (large) ZIP files we try to process currently will throw this:
> {code}
> UnsupportedZipFeatureException: unsupported feature method
> 'ENHANCED_DEFLATED'
> {code}
> which is a bummer since JDK's implementation also doesn't support Deflate64.
> This seems to be PKWare's extensions, although code to decrypt it exists in
> zlib (and is appropriately licensed, I believe).
> https://github.com/madler/zlib/tree/master/contrib/infback9
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