MKPASSWD(1) Debian GNU/Linux MKPASSWD(1)
NAME
mkpasswd - Overfeatured front end to crypt(3)
SYNOPSIS
mkpasswd PASSWORD SALT
DESCRIPTION
mkpasswd encrypts the given password with the crypt(3) libc function using the given salt.
OPTIONS
-S, --salt=STRING
Use the STRING as salt. It must not contain prefixes such as $1$.
-R, --rounds=NUMBER
Use NUMBER rounds. This argument is ignored if the method choosen does not support
variable rounds. For the OpenBSD Blowfish method this is the logarithm of the num-
ber of rounds.
-m, --method=TYPE
Compute the password using the TYPE method. If TYPE is help then the available
methods are printed.
-P, --password-fd=NUM
Read the password from file descriptor NUM instead of using getpass(3). If the
file descriptor is not connected to a tty then no other message than the hashed
password is printed on stdout.
-s, --stdin
Like --password-fd=0.
ENVIRONMENT
MKPASSWD_OPTIONS
A list of options which will be evalued before the ones specified on the command
line.
BUGS
If the --stdin option is used, passwords containing some control characters may not be
read correctly.
This programs suffers of a bad case of featuritis.
SEE ALSO
passwd(1), passwd(5), crypt(3), getpass(3)
AUTHOR
mkpasswd and this man page were written by Marco d'Itri <md AT linux.it> and are licensed
under the terms of the GNU General Public License, version 2 or higher.
Marco d'Itri 21 March 2008 MKPASSWD(1)
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