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CentOS 7.0 - man page for psktool (centos section 1)

psktool(1)							   User Commands							psktool(1)

NAME
psktool - GnuTLS PSK tool
SYNOPSIS
psktool [-flag [value]]... [--opt-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 number, --debug=number Enable debugging.. This option takes an integer number as its argument. The value of number is constrained to being: in the range 0 through 9999 Specifies the debug level. -s number, --keysize=number specify the key size in bytes. This option takes an integer number as its argument. The value of number is constrained to being: in the range 0 through 512 -u string, --username=string specify a username. -p string, --passwd=string specify a password file.. -h, --help Display usage information and exit. -!, --more-help Pass the extended usage information through a pager. -v [{v|c|n}], --version[={v|c|n}] 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.
EXAMPLES
To add a user 'psk_identity' in passwd.psk for use with GnuTLS run: $ ./psktool -u psk_identity -p passwd.psk Generating a random key for user 'psk_identity' Key stored to passwd.psk $ cat psks.txt psk_identity:88f3824b3e5659f52d00e959bacab954b6540344 $ This command will create passwd.psk if it does not exist and will add user 'psk_identity' (you will also be prompted for a password).
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. 70 (EX_SOFTWARE) libopts had an internal operational error. Please report it to autogen-users@lists.sourceforge.net. Thank you.
SEE ALSO
gnutls-cli-debug (1), gnutls-serv (1), srptool (1), certtool (1)
AUTHORS
Nikos Mavrogiannopoulos, Simon Josefsson and others; see /usr/share/doc/gnutls-bin/AUTHORS for a complete list.
COPYRIGHT
Copyright (C) 2000-2012 Free Software Foundation 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
NOTES
This manual page was AutoGen-erated from the psktool option definitions. 3.1.18 20 Dec 2013 psktool(1)