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GPGV2(1)                       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 environ-
       ment 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 signa-
       ture 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 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. However, sometimes a  sig-
              nature  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.

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".

SEE ALSO
       gpg2(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 struc-
       ture and an index.

GnuPG 2.0.15                      2010-07-28                          GPGV2(1)
 

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Gedruckt am: 11.12.2017 06:36 GMT+0100 (2017-12-11T06:36:58+01:00)