I would say that any normal user would just /assume/ that these files
were not support and revert to Windows for this task... I found this bug
after doing just that in Oneiric. I don't think it's reasonable to
close it just becuase you can install a different backend and have it
work... it may not be a bug in file-roller (other than that it does not
advise the user of options), but perhaps in the distribution planning
etc.
Clearly closing this bug without addressing it has lead to the problem
being present for 2 full cycles of LTS, and AES zip files are now much
more common.
Perhaps this can be moved to papercuts?
** Changed in: file-roller (Ubuntu)
Status: Invalid => Confirmed
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https://bugs.launchpad.net/bugs/220654
Title:
file-roller will not open 256 AES zip files
Status in “file-roller” package in Ubuntu:
Confirmed
Bug description:
Binary package hint: file-roller
Winzip and many other zip programs can now produce zip files that are
protected by 256 AES encryption. FIle-roller in ubuntu cannot handle
these zips. The files within the zips are shown fine but when you try
and extract the following error occurs:
skipping: Test.txt unsupported compression method 99
I believe this is because "unzip" is used to extract the archive. This is
the output from "unzip":
dbrewer@HCC122J:~/Desktop$ unzip Test.zip
Archive: Test.zip
skipping: Test.txt unsupported compression method 99
If "7z" is used it works fine:
dbrewer@HCC122J:~/Desktop$ 7z x Test.zip
7-Zip 4.51 beta Copyright (c) 1999-2007 Igor Pavlov 2007-07-25
p7zip Version 4.51 (locale=en_GB.UTF-8,Utf16=on,HugeFiles=on,2 CPUs)
Processing archive: Test.zip
Extracting Test.txt
Enter password (will not be echoed) :
Everything is Ok
So I propose that file-roller uses "7z" instead of "unzip".
I attach an example of this kind of file. The password is "monkey"
(no quotes).
Note peazip also can handle this. Maybe a replacement for file-
roller?
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