Messages in this thread | | | Date | Thu, 20 Mar 2003 23:13:32 +0100 | From | Jörn Engel <> | Subject | Re: Deprecating .gz format on kernel.org |
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On Thu, 20 March 2003 16:54:13 -0500, Hank Leininger wrote: > On 2003-03-20, Joern Engel <joern () wohnheim ! fh-wedel ! de> wrote: > > > That shouldn't matter, most of the times. If you want to build the > > code, you have to [bg]unzip anyway, so there is no extra cost. > > And I have a hard time to think of a real-world application where you ^^^^^^^^^^ > > don't want to unpack but need to verify the signature. > > A few come to mind:
"Come to mind" doesn't sound line "that'd break our environment." ;)
> -To verify and then use a .tar.[bg]z2?, you must gpg --verify and then > tar -x[jz]vf, but to unpack, then verify, then use you must uncompress > to a tempfile or pipe to gpg, then verify, then untar. Silly waste of > CPU and/or disk space.[*]
Veryfy and use are two action. You need a script or a human, changing either one won't be hard.
> -Verifying downloads immediately, when they won't necessarily be needed / > used right away; no need to unpack until it's needed, but would like to > know the download is bad right away.
real-world?
> -Verifying something pulled down to one machine before scp'ing it elsewhere > where it will actually be used.
real-world?
> -Verifying before [bg]unzip means you won't expose [bg]unzip to likely > malicious data (think bugs in [bg]unzip which make them crash on bad > compressed files). Of course GPG/PGP is still subject to input-based > bugs, but they are in any case; no need for the decompression tools to > be as well.
Crashes don't matter. Exploits would, so that point is actually valid.
> [*] ...Now if tar had a --sig option to chain gpg between gunzip and > untar... but that would just be Wrong.
unzip && checksig && tar?
Jörn
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