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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXAMPLES | EXIT STATUS | SEE ALSO | AUTHORS | COPYRIGHT | BUGS | COLOPHON |
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psktool(1) User Commands psktool(1)
psktool - GnuTLS PSK tool
psktool [-flags] [-flag [value]] [--option-name[[=| ]value]]
All arguments must be options.
Program that generates random keys for use with TLS-PSK. The keys
are stored in hexadecimal format in a key file.
-d num, --debug=num Enable debugging. This option takes an
integer number as its argument. The value of num is constrained
to being:
in the range 0 through 9999
Specifies the debug level.
-s num, --keysize=num Specify the key size in bytes (default is
32-bytes or 256-bits). This option takes an integer number as its
argument. The value of num is constrained to being:
in the range 0 through 512
-u str, --username=str Specify the username to use.
-p str, --pskfile=str Specify a pre-shared key file.
This option will specify the pre-shared key file to store the
generated keys.
--passwd This is an alias for the --pskfile option.
NOTE: THIS OPTION IS DEPRECATED
-v arg, --version=arg Output version of program and exit. The
default mode is `v', a simple version. The `c' mode will print
copyright information and `n' will print the full copyright
notice.
-h, --help Display usage information and exit.
-!, --more-help Pass the extended usage information through a
pager.
To add a user 'psk_identity' in keys.psk for use with
GnuTLS run:
$ ./psktool -u psk_identity -p keys.psk
Generating a random key for user 'psk_identity'
Key stored to keys.psk
$ cat keys.psk
psk_identity:88f3824b3e5659f52d00e959bacab954b6540344
$
This command will create keys.psk if it does not exist and
will add user 'psk_identity'.
One of the following exit values will be returned:
0 (EXIT_SUCCESS) Successful program execution.
1 (EXIT_FAILURE) The operation failed or the command syntax was
not valid.
gnutls-cli-debug(1), gnutls-serv(1), srptool(1),
certtool(1)
Copyright (C) 2020-2023 Free Software Foundation, and others all
rights reserved. This program is released under the terms of the
GNU General Public License, version 3 or later
Please send bug reports to: bugs@gnutls.org
This page is part of the GnuTLS (GnuTLS Transport Layer Security
Library) project. Information about the project can be found at
⟨http://www.gnutls.org/⟩. If you have a bug report for this
manual page, send it to bugs@gnutls.org. This page was obtained
from the tarball fetched from
⟨https://www.gnupg.org/ftp/gcrypt/gnutls/⟩ on 2025-08-11. If you
discover any rendering problems in this HTML version of the page,
or you believe there is a better or more up-to-date source for the
page, or you have corrections or improvements to the information
in this COLOPHON (which is not part of the original manual page),
send a mail to man-pages@man7.org
3.8.10 09 Jul 2025 psktool(1)
Pages that refer to this page: certtool(1), srptool(1)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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