MKPASSWD(1) - phpMan

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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