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List:       gnupg-users
Subject:    switching off compression (was: En-/Decryption speed for large files (GnuPG and Gpg4win))
From:       Bernhard Reiter <bernhard () intevation ! de>
Date:       2023-01-17 13:40:12
Message-ID: 202301171440.21232.bernhard () intevation ! de
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Am Dienstag 17 Januar 2023 13:08:18 schrieb Andre Heinecke via Gnupg-users:
> Another big difference what you will see in the perfomance of GnuPG is if
> you use -z 0 which disables compression. 

According to the GnuPG documentation (2.4.0)
https://gnupg.org/documentation/manuals/gnupg/GPG-Configuration-Options.html#index-compress_002dlevel

'-z 0' is equivalent to the following long options
'--compress-level 0 --bzip2-compress-level 0'
yes, both have to be given.

> You can put "compress-level 0" into 
> your gpg.conf to cause Kleopatra to also use that.

Would not be enough to disable bip2 encryption (according to the 
documentation).

Looking at
https://gnupg.org/documentation/manuals/gnupg/GPG-Esoteric-Options.html#index-compress_002dalgo
what shall work with just one option is
  `compress-algo uncompressed`

Best,
Bernhard

-- 
https://intevation.de/~bernhard    +49 541 33 508 3-3
Intevation GmbH, Osnabrück, DE; Amtsgericht Osnabrück, HRB 18998
Geschäftsführer Frank Koormann, Bernhard Reiter

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