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psktool(1)			 User Commands			    psktool(1)

NAME
       psktool - GnuTLS	PSK tool

SYNOPSIS
       psktool [-flags]	[-flag [value]]	[--option-name[[=| ]value]]

       All arguments must be options.

DESCRIPTION
       Program	 that generates	random keys for	use with TLS-PSK. The keys are
       stored in hexadecimal format in a key file.

OPTIONS
       -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 ar-
       gument.	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 in-
       formation 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.

       EXAMPLES
	      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'.

EXIT STATUS
       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.

       SEE ALSO
	      gnutls-cli-debug (1), gnutls-serv	(1), srptool (1), certtool (1)

AUTHORS
COPYRIGHT
       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

BUGS
       Please send bug reports to: bugs@gnutls.org

3.8.9				  08 Feb 2025			    psktool(1)

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