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. If it begins with $ then it will be passed straight to crypt(3) without any checks. -R, --rounds=NUMBER Use NUMBER rounds. This argument is ignored if the method chosen does not support variable rounds. For the OpenBSD Blowfish method this is the logarithm of the num- ber of rounds. The behavior is undefined if this option is used without --method. -m, --method=TYPE Compute the password using the TYPE method. If TYPE is help then the list of available methods is printed. If TYPE begins and end with $ characters then the string is passed to crypt_gensalt(3) as-is. -5 Like --method=md5crypt. -P NUM, --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 text than the hashed pass- word is printed on stdout. -s, --stdin Like --password-fd=0. ENVIRONMENT MKPASSWD_OPTIONS A list of options which will be evaluated before the ones specified on the command line. BUGS If the --stdin option is used then passwords containing some control characters may not be read correctly. This program suffers of a bad case of featuritis. SEE ALSO passwd(1), passwd(5), crypt(3), crypt(5), crypt_gensalt(3), getpass(3). AUTHOR mkpasswd and this man page were written by Marco d'Itri <md AT linux.it> and are licensed un- der the terms of the GNU General Public License, version 2 or higher. Marco d'Itri 2019-12-30 MKPASSWD(1)
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