This is the command srptool that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
srptool - GnuTLS SRP tool
SYNOPSIS
srptool [-flags] [-flag [value]] [--option-name[[=| ]value]]
All arguments must be options.
DESCRIPTION
Simple program that emulates the programs in the Stanford SRP (Secure Remote Password)
libraries using GnuTLS. It is intended for use in places where you don't expect SRP
authentication to be the used for system users.
In brief, to use SRP you need to create two files. These are the password file that
holds the users and the verifiers associated with them and the configuration file to
hold the group parameters (called tpasswd.conf).
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.
-i number, --index=number
specify the index of the group parameters in tpasswd.conf to use. This option
takes an integer number as its argument. The default number for this option is:
1
-u string, --username=string
specify a username.
-p string, --passwd=string
specify a password file.
-s number, --salt=number
specify salt size. This option takes an integer number as its argument.
--verify
just verify the password..
Verifies the password provided against the password file.
-v string, --passwd-conf=string
specify a password conf file..
Specify a filename or a PKCS #11 URL to read the CAs from.
--create-conf=string
Generate a password configuration file..
This generates a password configuration file (tpasswd.conf) containing the required
for TLS parameters.
-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 create tpasswd.conf which holds the g and n values for SRP protocol (generator and a
large prime), run:
$ srptool --create-conf /etc/tpasswd.conf
This command will create /etc/tpasswd and will add user 'test' (you will also be prompted
for a password). Verifiers are stored by default in the way libsrp expects.
$ srptool --passwd /etc/tpasswd --passwd-conf /etc/tpasswd.conf -u test
This command will check against a password. If the password matches the one in
/etc/tpasswd you will get an ok.
$ srptool --passwd /etc/tpasswd --passwd-conf /etc/tpasswd.conf --verify -u test
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.
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