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parcimonie - privacy-friendly helper to refresh a GnuPG keyring

Author

       intrigeri <intrigeri@boum.org>

Bugs

       Please report any bugs or feature requests to <https://salsa.debian.org/intrigeri/parcimonie/-/issues>.

Description

       parcimonie is a daemon that slowly refreshes a GnuPG public keyring from a keyserver.

       Its refreshes one key at a time; between every key update, parcimonie sleeps a random amount of time,
       long enough for the previously used Tor circuit to expire.

       This process is meant to make it hard for an attacker to correlate the multiple performed key update
       operations.

       See the design.md document to learn more about the threat and risk models parcimonie attempts to help
       coping with.

License

       Licensed under the same terms as Perl itself.

Name

       parcimonie - privacy-friendly helper to refresh a GnuPG keyring

Options

       The following command lists available options:

           parcimonie --help

   Torconfigurationvs.--minimum-lapse-time
       In case you set the Tor MaxCircuitDirtiness setting yourself, you probably want to pass parcimonie a
       matching --minimum-lapse-time option so that subsequent key fetches use different Tor circuits.

       Just make sure this remains true:

               minimum-lapse-time >= Tor MaxCircuitDirtiness

   hkpms://
       We recommend using hkpms; see http://web.monkeysphere.info/ for details. When a hkpms:// keyserver is
       being used, one needs to do two additional steps since gpgkeys_hkpms does not work in the torsocks
       wrapped environment parcimonie uses by default to run gpg.

       Torifygpgkeys_hkpms

       Just add the following line to gpg.conf:

           keyserver-options http-proxy=socks://127.0.0.1:9050

       Hey,parcimonie,gpgisalreadytorified

       Pass the --gnupg-already-torified switch to the parcimonie daemon command-line. parcimonie will then rely
       on the keyserver-options previously added to gpg.conf, and won't attempt to torify gpg connections
       itself.

Support

       You can find documentation for parcimonie with the man command.

           man parcimonie

       You can also look for information at:

       •   parcimonie's homepage

           <https://salsa.debian.org/intrigeri/parcimonie>

perl v5.30.0                                       2020-04-25                                     PARCIMONIE(1p)

Synopsis

parcimonie [options]

Usage

       1. Configure GnuPG to be able to use a keyserver with Tor.

       If you already have configured a keyserver and you run Tor 0.3.0.3-alpha-1 or newer from Debian, then
       parcimonie will probably work fine and you can skip this step. Otherwise, you will probably need to
       replace your keyserver with the one documented below, or to enable IPv6 traffic in your Tor client (by
       enabling the IPv6Traffic flag for your SocksPort).

       Add to ~/.gnupg/dirmngr.conf something like:

               keyserver hkp://jirk5u4osbsr34t5.onion

       2. Run "parcimonie --verbose".

       3. Check the output for misconfiguration or bugs.

       4. Once happy, start the daemon without the --verbose option.
          Note: the Debian package automatically starts the daemon with your X session.

Version

       Version 0.12.0

See Also