Date: Tue, 09 Mar 2010 14:24:59 -0500 From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> To: Anton Shterenlikht <mexas@bristol.ac.uk> Cc: freebsd-questions@freebsd.org Subject: Re: unzip fails to extract password protected archive Message-ID: <44tyspl2lw.fsf@be-well.ilk.org> In-Reply-To: <20100309103133.GG52284@mech-cluster241.men.bris.ac.uk> (Anton Shterenlikht's message of "Tue, 9 Mar 2010 10:31:33 %2B0000") References: <20100309103133.GG52284@mech-cluster241.men.bris.ac.uk>
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Anton Shterenlikht <mexas@bristol.ac.uk> writes: > This is on FreeBSD ia64 9.0-CURRENT #0 r203484M: > I've zip-3.0 and unzip-6.0 installed from ports. > > When I try to add files to an archive with encryption, > I cannot then extract them back: > >> ls -al > try >> zip -e try.zip try > Enter password: > Verify password: > adding: try (deflated 42%) >> rm try >> unzip try.zip > Archive: try.zip > extracting: try | > unzip: ZIP decompression failed (-3) >> ls -al try > -rwxr-xr-x 1 mexas wheel 0 9 Mar 10:27 try >> > > the extracted file is zero length. > > Maybe this is not supposed to work? It does for me, but there are a number of problems with the zip encryption (even aside from the fact that it's easy to break). You might want to take a look at the extensive "DECRYPTION" section in the unzip(1) man page. -- Lowell Gilbert, embedded/networking software engineer, Boston area http://be-well.ilk.org/~lowell/
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