gpgv2
(1)
Name
gpgv2 - Verify OpenPGP signatures
Synopsis
gpgv2 [options] signed_files
Description
GNU Privacy Guard GPGV2(1)
NAME
gpgv2 - Verify OpenPGP signatures
SYNOPSIS
gpgv2 [options] signed_files
DESCRIPTION
gpgv2 is an OpenPGP signature verification tool.
This program is actually a stripped-down version of gpg
which is only able to check signatures. It is somewhat
smaller than the fully-blown gpg and uses a different (and
simpler) way to check that the public keys used to make the
signature are valid. There are no configuration files and
only a few options are implemented.
gpgv2 assumes that all keys in the keyring are trustworthy.
By default it uses a keyring named `trustedkeys.gpg' which
is assumed to be in the home directory as defined by GnuPG
or set by an option or an environment variable. An option
may be used to specify another keyring or even multiple
keyrings.
RETURN VALUE
The program returns 0 if everything is fine, 1 if at least
one signature was bad, and other error codes for fatal
errors.
OPTIONS
gpgv2 recognizes these options:
--verbose
-v Gives more information during processing. If used
twice, the input data is listed in detail.
--quiet
-q Try to be as quiet as possible.
--keyring file
Add file to the list of keyrings. If file begins with
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a tilde and a slash, these are replaced by the HOME
directory. If the filename does not contain a slash, it
is assumed to be in the home-directory ("~/.gnupg" if
--homedir is not used).
--status-fd n
Write special status strings to the file descriptor n.
See the file DETAILS in the documentation for a listing
of them.
--logger-fd n
Write log output to file descriptor n and not to
stderr.
--ignore-time-conflict
GnuPG normally checks that the timestamps associated
with keys and signatures have plausible values. How-
ever, sometimes a signature seems to be older than the
key due to clock problems. This option turns these
checks into warnings.
--homedir dir
Set the name of the home directory to dir. If this
option is not used, the home directory defaults to
`~/.gnupg'. It is only recognized when given on the
command line. It also overrides any home directory
stated through the environment variable `GNUPGHOME' or
(on W32 systems) by means of the Registry entry
HKCU\Software\GNU\GnuPG:HomeDir.
EXAMPLES
gpgv2 pgpfile
gpgv2 sigfile [datafile]
Verify the signature of the file. The second form is
used for detached signatures, where sigfile is the
detached signature (either ASCII-armored or binary) and
datafile contains the signed data; if datafile is "-"
the signed data is expected on stdin; if datafile is
not given the name of the file holding the signed data
is constructed by cutting off the extension (".asc",
".sig" or ".sign") from sigfile.
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FILES
~/.gnupg/trustedkeys.gpg
The default keyring with the allowed keys.
ENVIRONMENT
HOME Used to locate the default home directory.
GNUPGHOME
If set directory used instead of "~/.gnupg".
ATTRIBUTES
See attributes(5) for descriptions of the following
attributes:
+---------------+------------------+
|ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+---------------+------------------+
|Availability | crypto/gnupg |
+---------------+------------------+
|Stability | Uncommitted |
+---------------+------------------+
SEE ALSO
gpg2(1)
The full documentation for this tool is maintained as a Tex-
info 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.
NOTES
This software was built from source available at
https://java.net/projects/solaris-userland. The original
community source was downloaded from
ftp://ftp.gnupg.org/gcrypt/gnupg/gnupg-2.0.22.tar.bz2
Further information about this software can be found on the
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open source community website at http://www.gnupg.org/.
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