mirror of
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116 lines
3.5 KiB
Plaintext
116 lines
3.5 KiB
Plaintext
\input texinfo
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@c This Texinfo document has been automatically generated by
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@c docbook2texi from a DocBook documentation. The tool used
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@c can be found at:
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@c <URL:http://shell.ipoline.com/~elmert/hacks/docbook2X/>
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@c Please send any bug reports, improvements, comments,
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@c patches, etc. to Steve Cheng <steve@ggi-project.org>.
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@setfilename gpgv.info
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@node top
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@top gpgv
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@menu
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@end menu
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@majorheading Name
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gpgv ---- signature verification tool
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@majorheading Synopsis
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@majorheading DESCRIPTION
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@code{gpgv} is the OpenPGP signature checking tool.
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This program is a stripped down version of @code{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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@code{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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@code{gpgv} assumes that all keys in the keyring are trustworty.
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It uses by default a keyring named @file{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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@majorheading OPTIONS
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@code{gpgv} recognizes these options:
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@table @asis
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@item -v, ---verbose
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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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@item -q, ---quiet
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Try to be as quiet as possible.
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@item ---keyring @code{file}
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Add @code{file} to the list of keyrings.
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If @code{file} 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:
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"gnupg-ring:" is the default one.
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It might make sense to use it together with ---no-default-keyring.
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@item ---homedir @code{directory}
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Set the name of the home directory to @code{directory} 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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@item ---status-fd @code{n}
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Write special status strings to the file descriptor @code{n}.
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See the file DETAILS in the documentation for a listing of them.
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@item ---logger-fd @code{n}
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Write log output to file descriptor @code{n} and not to stderr.
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@item ---ignore-time-conflict
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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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@end table
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@majorheading RETURN VALUE
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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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@majorheading EXAMPLES
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@table @asis
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@item gpgv @code{pgpfile}
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@itemx gpgv @code{sigfile} @code{files}
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Verify the signature of the file. The second form
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is used for detached signatures, where @code{sigfile} is the detached
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signature (either ASCII armored or binary) and @code{files} 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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@code{sigfile}.
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@end table
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@majorheading ENVIRONMENT
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@table @asis
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@item HOME
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Used to locate the default home directory.
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@item GNUPGHOME
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If set directory used instead of "~/.gnupg".
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@end table
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@majorheading FILES
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@table @asis
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@item ~/.gnupg/trustedkeys.gpg
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The default keyring with the allowed keys
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@end table
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@bye
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