1DIRMNGR-CLIENT(1)            GNU Privacy Guard 2.4           DIRMNGR-CLIENT(1)
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NAME

6       dirmngr-client - Tool to access the Dirmngr services
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SYNOPSIS

9       dirmngr-client [options] [certfile|pattern]
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DESCRIPTION

13       The  dirmngr-client  is  a simple tool to contact a running dirmngr and
14       test whether a certificate has been revoked --- either by being  listed
15       in  the corresponding CRL or by running the OCSP protocol.  If no dirm‐
16       ngr is running, a new instances will be started but this is in  general
17       not a good idea due to the huge performance overhead.
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20       The usual way to run this tool is either:
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22         dirmngr-client acert
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25       or
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27         dirmngr-client <acert
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29       Where  acert  is  one  DER  encoded  (binary)  X.509 certificates to be
30       tested.
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RETURN VALUE

34       dirmngr-client returns these values:
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37       0      The certificate under question is valid; i.e. there is  a  valid
38              CRL available and it is not listed there or the OCSP request re‐
39              turned that that certificate is valid.
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42       1      The certificate has been revoked
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45       2 (and other values)
46              There was a problem checking the revocation state  of  the  cer‐
47              tificate.   A message to stderr has given more detailed informa‐
48              tion.  Most likely this is due to a missing or  expired  CRL  or
49              due to a network problem.
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OPTIONS

53       dirmngr-client may be called with the following options:
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57       --version
58              Print  the program version and licensing information.  Note that
59              you cannot abbreviate this command.
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62       --help, -h
63              Print a usage message summarizing the most  useful  command-line
64              options.  Note that you cannot abbreviate this command.
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67       --quiet, -q
68              Make  the  output  extra  brief by suppressing any informational
69              messages.
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72       -v
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74       --verbose
75              Outputs additional information while running.  You can  increase
76              the  verbosity  by  giving  several verbose commands to dirmngr,
77              such as ‘-vv’.
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80       --pem  Assume that the given certificate is in PEM (armored) format.
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83       --ocsp Do the check using the OCSP protocol and ignore any CRLs.
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86       --force-default-responder
87              When checking using the OCSP protocol, force the use of the  de‐
88              fault  OCSP responder.  That is not to use the Reponder as given
89              by the certificate.
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92       --ping Check whether the dirmngr daemon is up and running.
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95       --cache-cert
96              Put the given certificate into the cache of a  running  dirmngr.
97              This is mainly useful for debugging.
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100       --validate
101              Validate  the given certificate using dirmngr's internal valida‐
102              tion code.  This is mainly useful for debugging.
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105       --load-crl
106              This command expects a list of filenames with  DER  encoded  CRL
107              files.   With  the  option  --url  URLs are expected in place of
108              filenames and they are loaded directly from the given  location.
109              All CRLs will be validated and then loaded into dirmngr's cache.
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112       --lookup
113              Take the remaining arguments and run a lookup command on each of
114              them.  The results are Base-64 encoded outputs  (without  header
115              lines).   This  may  be  used  to  retrieve  certificates from a
116              server. However the output format is not  very  well  suited  if
117              more than one certificate is returned.
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120       --url
121       -u     Modify the lookup and load-crl commands to take an URL.
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124       --local
125       -l     Let the lookup command only search the local cache.
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128       --squid-mode
129              Run  dirmngr-client  in  a mode suitable as a helper program for
130              Squid's external_acl_type option.
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SEE ALSO

135       dirmngr(8), gpgsm(1)
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137       The full documentation for this tool is maintained as a Texinfo manual.
138       If  GnuPG and the info program are properly installed at your site, the
139       command
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141         info gnupg
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143       should give you access to the complete manual including a  menu  struc‐
144       ture and an index.
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151GnuPG 2.4.3                       2023-06-21                 DIRMNGR-CLIENT(1)
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