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* gpg.sgml: Document --no-use-embedded-filename and --min-cert-level. * gpgv.sgml: Removed leftover </para>.
225 lines
6.5 KiB
Plaintext
225 lines
6.5 KiB
Plaintext
<!-- gpgv.sgml - the man page for GnuPG
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Copyright (C) 2000, 2001 Free Software Foundation, Inc.
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This file is part of GnuPG.
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GnuPG is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GnuPG is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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-->
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<!-- This file should be processed by docbook-to-man to
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create a manual page. This program has currently the bug
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not to remove leading white space. So this source file does
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not look very pretty
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FIXME: generated a file with entity (e.g. pathnames) from the
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configure scripts and include it here
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-->
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<!DOCTYPE refentry PUBLIC "-//Davenport//DTD DocBook V3.0//EN" [
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<!entity ParmDir "<parameter>directory</parameter>">
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<!entity ParmFile "<parameter>file</parameter>">
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<!entity OptParmFile "<optional>&ParmFile;</optional>">
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<!entity ParmFiles "<parameter>files</parameter>">
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<!entity OptParmFiles "<optional>&ParmFiles;</optional>">
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<!entity ParmNames "<parameter>names</parameter>">
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<!entity OptParmNames "<optional>&ParmNames;</optional>">
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<!entity ParmName "<parameter>name</parameter>">
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<!entity OptParmName "<optional>&ParmName;</optional>">
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<!entity ParmKeyIDs "<parameter>key IDs</parameter>">
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<!entity ParmN "<parameter>n</parameter>">
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<!entity ParmFlags "<parameter>flags</parameter>">
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<!entity ParmString "<parameter>string</parameter>">
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<!entity ParmValue "<parameter>value</parameter>">
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<!entity ParmNameValue "<parameter>name=value</parameter>">
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]>
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<refentry id="gpgv">
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<refmeta>
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<refentrytitle>gpgv</refentrytitle>
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<manvolnum>1</manvolnum>
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<refmiscinfo class="gnu">GNU Tools</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname/gpgv/
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<refpurpose>signature verification tool</>
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</refnamediv>
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<refsynopsisdiv>
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<synopsis>
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<command>gpgv</command>
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<optional><parameter/options/</optional>
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<optional><parameter/signed files/</optional>
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</synopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>DESCRIPTION</title>
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<para>
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<command/gpgv/ is the OpenPGP signature checking tool.
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</para>
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<para>
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This program is a stripped down version of <command/gpg/ which is only
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able
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to check signatures. It is somewhat smaller than the full blown
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<command/gpg/ and uses a different (and more simple way) to check that
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the public keys used to made the signature are trustworth. There is
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no options files and only very few options are implemented.
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</para>
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<para>
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<command/gpgv/ assumes that all keys in the keyring are trustworty.
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It uses by default a keyring named <filename/trustedkeys.gpg/ which is
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assumed to be in the home directory as defined by GnuPG or set by an
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option or an environment variable. An option may be used to specify
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another keyring or even multiple keyrings.
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</para>
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</refsect1>
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<refsect1>
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<title>OPTIONS</title>
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<para>
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<command/gpgv/ recognizes these options:
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</para>
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<variablelist>
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<varlistentry>
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<term>-v, --verbose</term>
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<listitem><para>
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Give more information during processing. If used
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twice, the input data is listed in detail.
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</para></listitem></varlistentry>
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<varlistentry>
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<term>-q, --quiet</term>
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<listitem><para>
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Try to be as quiet as possible.
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</para></listitem></varlistentry>
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<varlistentry>
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<term>--keyring &ParmFile;</term>
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<listitem><para>
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Add &ParmFile to the list of keyrings.
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If &ParmFile begins with a tilde and a slash, these
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are replaced by the HOME directory. If the filename
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does not contain a slash, it is assumed to be in the
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home-directory ("~/.gnupg" if --homedir is not used).
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The filename may be prefixed with a scheme:</para>
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<para>"gnupg-ring:" is the default one.</para>
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</listitem></varlistentry>
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<varlistentry>
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<term>--homedir &ParmDir;</term>
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<listitem><para>
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Set the name of the home directory to &ParmDir; If this
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option is not used it defaults to "~/.gnupg". It does
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not make sense to use this in a options file. This
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also overrides the environment variable "GNUPGHOME".
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</para></listitem></varlistentry>
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<varlistentry>
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<term>--status-fd &ParmN;</term>
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<listitem><para>
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Write special status strings to the file descriptor &ParmN;.
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See the file DETAILS in the documentation for a listing of them.
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</para></listitem></varlistentry>
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<varlistentry>
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<term>--logger-fd &ParmN;</term>
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<listitem><para>
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Write log output to file descriptor &ParmN; and not to stderr.
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</para></listitem></varlistentry>
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<varlistentry>
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<term>--ignore-time-conflict</term>
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<listitem><para>
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GnuPG normally checks that the timestamps associated with keys and
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signatures have plausible values. However, sometimes a signature seems to
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be older than the key due to clock problems. This option makes these
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checks just a warning.
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</para></listitem></varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>RETURN VALUE</title>
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<para>
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The program returns 0 if everything was fine, 1 if at least
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one signature was bad, and other error codes for fatal errors.
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</para>
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</refsect1>
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<refsect1>
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<title>EXAMPLES</title>
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<variablelist>
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<varlistentry>
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<term>gpgv <parameter/pgpfile/</term>
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<term>gpgv <parameter/sigfile/ &OptParmFiles;</term>
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<listitem><para>
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Verify the signature of the file. The second form
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is used for detached signatures, where <parameter/sigfile/ is the detached
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signature (either ASCII armored or binary) and &OptParmFiles are the signed
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data; if this is not given the name of the file holding the signed data is
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constructed by cutting off the extension (".asc", ".sig" or ".sign") from
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<parameter/sigfile/.
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</para></listitem></varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>ENVIRONMENT</title>
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<variablelist>
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<varlistentry>
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<term>HOME</term>
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<listitem><para>Used to locate the default home directory.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>GNUPGHOME</term>
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<listitem><para>If set directory used instead of "~/.gnupg".</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>FILES</title>
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<variablelist>
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<varlistentry>
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<term>~/.gnupg/trustedkeys.gpg</term>
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<listitem><para>The default keyring with the allowed keys</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<!-- SEE ALSO not yet needed-->
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</refentry>
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