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DIRMNGR-CLIENT(1) GNU Privacy Guard 2.4 DIRMNGR-CLIENT(1) NAME dirmngr-client - Tool to access the Dirmngr services SYNOPSIS dirmngr-client [options] [certfile|pattern] DESCRIPTION The dirmngr-client is a simple tool to contact a running dirmngr and test whether a certificate has been revoked --- either by being listed in the corresponding CRL or by running the OCSP protocol. If no dirmngr is running, a new instances will be started but this is in general not a good idea due to the huge performance overhead. The usual way to run this tool is either: dirmngr-client acert or dirmngr-client <acert Where acert is one DER encoded (binary) X.509 certificates to be tested. RETURN VALUE dirmngr-client returns these values: 0 The certificate under question is valid; i.e. there is a valid CRL available and it is not listed there or the OCSP request returned that that certificate is valid. 1 The certificate has been revoked 2 (and other values) There was a problem checking the revocation state of the certificate. A message to stderr has given more detailed information. Most likely this is due to a missing or expired CRL or due to a network problem. OPTIONS dirmngr-client may be called with the following options: --version Print the program version and licensing information. Note that you cannot abbreviate this command. messages. -v --verbose Outputs additional information while running. You can increase the verbosity by giving several verbose commands to dirmngr, such as `-vv'. --pem Assume that the given certificate is in PEM (armored) format. --ocsp Do the check using the OCSP protocol and ignore any CRLs. --force-default-responder When checking using the OCSP protocol, force the use of the default OCSP responder. That is not to use the Reponder as given by the certificate. --ping Check whether the dirmngr daemon is up and running. --cache-cert Put the given certificate into the cache of a running dirmngr. This is mainly useful for debugging. --validate Validate the given certificate using dirmngr's internal validation code. This is mainly useful for debugging. --load-crl This command expects a list of filenames with DER encoded CRL files. With the option --url URLs are expected in place of filenames and they are loaded directly from the given location. All CRLs will be validated and then loaded into dirmngr's cache. --lookup Take the remaining arguments and run a lookup command on each of them. The results are Base-64 encoded outputs (without header lines). This may be used to retrieve certificates from a server. However the output format is not very well suited if more than one certificate is returned. --url -u Modify the lookup and load-crl commands to take an URL. --local -l Let the lookup command only search the local cache. dirmngr(8), gpgsm(1) The full documentation for this tool is maintained as a Texinfo manual. If GnuPG and the info program are properly installed at your site, the command info gnupg should give you access to the complete manual including a menu structure and an index. GnuPG 2.4.3 2023-12-14 DIRMNGR-CLIENT(1)