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https://issues.apache.org/jira/browse/COMPRESS-89?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Bodewig resolved COMPRESS-89.
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Resolution: Fixed
I didn't use your patch directly but similar ideas ins svn revision 911781.
Thanks!
> Better support for encrypted ZIP files
> --------------------------------------
>
> Key: COMPRESS-89
> URL: https://issues.apache.org/jira/browse/COMPRESS-89
> Project: Commons Compress
> Issue Type: Improvement
> Affects Versions: 1.0, 1.1
> Reporter: Antoni Mylka
> Assignee: Stefan Bodewig
> Fix For: 1.1
>
> Attachments: apache-maven-2.2.1-encrypted-passhello.zip,
> commons-compress-encrypted.patch
>
>
> Currently when the ZipArchiveInputStream or ZipFile encounters an encrypted
> zip it bails out with cryptic exceptions like: 'invalid block type'. I would
> like to have two things:
> 1. an 'encrypted' flag in the ZipArchiveEntry class. It would be taken from
> the first bit of the 'general purpose flag'
> 2. more descriptive error messages, both in ZipFile and ZipArchiveInputStream
> It might be useful in case someone wants to implement proper support for
> encrypted zips, with methods to supply passwords/encryption keys and proper
> encryption/decryption algorithms.
> For the time being I just need to know if a file is encrypted or not.
> I will post a patch with a proposal of a solution in near future.
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