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+// Copyright (c) The Tor Project, Inc.
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+// See LICENSE for licensing information
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+// This is an asciidoc file used to generate the manpage/html reference.
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+// Learn asciidoc on http://www.methods.co.nz/asciidoc/userguide.html
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+tor-gencert(1)
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+==============
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+Nick Mathewson
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+
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+NAME
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+----
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+tor-gencert - Generate certs and keys for Tor directory authorities
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+
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+SYNOPSIS
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+--------
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+**tor-gencert** [-h|--help] [-v] [-r|--reuse] [--create-identity-key] [-i __id_file__] [-c
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+__cert_file__] [-m __num__] [-a __address__:__port__]
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+
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+DESCRIPTION
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+-----------
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+**tor-gencert** generates certificates and private keys for use by Tor
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+directory authorities running the v3 Tor directory protocol, as used by
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+Tor 0.2.0 and later. If you are not running a directory authority, you
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+don't need to use tor-gencert. +
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+
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+Every directory authority has a long term authority __identity__ __key__ (which
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+is distinct from the identity key it uses as a Tor server); this key
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+should be kept offline in a secure location. It is used to certify
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+shorter-lived __signing__ __keys__, which are kept online and used by the
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+directory authority to sign votes and consensus documents. +
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+
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+After you use this program to generate a signing key and a certificate,
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+copy those files to the keys subdirectory of your Tor process, and send
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+Tor a SIGHUP signal. DO NOT COPY THE IDENTITY KEY.
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+
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+OPTIONS
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+-------
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+**-v**::
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+ Display verbose output.
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+
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+**-h** or **--help**::
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+ Display help text and exit.
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+
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+**-r** or **--reuse**::
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+ Generate a new certificate, but not a new signing key. This can be used to
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+ change the address or lifetime associated with a given key.
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+
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+**--create-identity-key**::
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+ Generate a new identity key. You should only use this option the first time
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+ you run tor-gencert; in the future, you should use the identity key that's
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+ already there.
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+
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+**-i** __FILENAME__::
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+ Read the identity key from the specified file. If the file is not present
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+ and --create-identity-key is provided, create the identity key in the
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+ specified file. Default: "./authority_identity_key"
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+
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+**-s** __FILENAME__::
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+ Write the signing key to the specified file. Default:
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+ "./authority_signing_key"
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+
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+**-c** __FILENAME__::
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+ Write the certificate to the specified file. Default:
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+ "./authority_certificate"
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+
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+**-m** __NUM__::
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+ Number of months that the certificate should be valid. Default: 12.
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+
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+**--passphrase-fd** __FILEDES__::
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+ Filedescriptor to read the file descriptor from. Ends at the first NUL or
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+ newline. Default: read from the terminal.
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+
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+**-a** __address__:__port__::
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+ If provided, advertise the address:port combination as this authority's
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+ preferred directory port in its certificate. If the address is a hostname,
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+ the hostname is resolved to an IP before it's published.
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+
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+BUGS
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+----
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+This probably doesn't run on Windows. That's not a big issue, since we don't
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+really want authorities to be running on Windows anyway.
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+
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+SEE ALSO
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+--------
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+**tor**(1) +
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+
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+See also the "dir-spec.txt" file, distributed with Tor.
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+
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+AUTHORS
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+-------
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+ Roger Dingledine <arma@mit.edu>, Nick Mathewson <nickm@alum.mit.edu>.
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Sebastian Hahn