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https://issues.apache.org/jira/browse/COMPRESS-605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17487859#comment-17487859
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Peter Lee commented on COMPRESS-605:
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Hi [~nicktheuncharted] 

 

I'm not familiar with the differences between apk's specification and zip's. Is 
this caused by the difference of specification?

 

And a PR is always welcome. :)

> Failed to parse Non-zip64 signed apk with data descriptor
> ---------------------------------------------------------
>
>                 Key: COMPRESS-605
>                 URL: https://issues.apache.org/jira/browse/COMPRESS-605
>             Project: Commons Compress
>          Issue Type: Bug
>          Components: Archivers
>    Affects Versions: 1.21
>            Reporter: nick allen
>            Priority: Major
>
> I can't upload my apk due to security policy of my company, but I do find 
> where the problem lies.
> In 
> org.apache.commons.compress.archivers.zip.ZipArchiveInputStream#readDataDescriptor
>  we check whether following bytes are signaures to determine whethere size is 
> 8 bytes or 4 bytes. Because what following is apk signing block so it will 
> always thought "size" takes 8 bytes.
> So (4 + 4 = 8) extra bytes were read. Which leading to 
> org.apache.commons.compress.archivers.zip.ZipArchiveInputStream#isApkSigningBlock
>  also return false.



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