cracklib-check(8)

cracklib-check8

Check passwords using libcrack2

Usage

cracklib-check [{-h | --no-echo}]

Overview

cracklib-check takes a list of passwords from stdin and checks them via libcrack2's FascistCheck(3) sub routine.

Options

--no-echo

Don't echo the password which is ok to the terminal.

-h, --help

Print help explaining the command line options.

Result

cracklib-check prints each checked password and the corresponding result of FascistCheck(3) to stdout. The password and the result are separated by a colon. When --no-echo is specified, prints only the result if password is ok.

Releases

10 releases since Debian 5.0 (Lenny); the text changed 2 times.

  1. 5.0
  2. 6.0–13
  3. Arch

--help since Arch Linux 2026-11-01; --no-echo since Arch Linux 2026-11-01; -h since Arch Linux 2026-11-01.

Author

This man page was written by Jan Dittberner <[email protected]> for the Debian GNU/Linux System (but may be used by others).

From cracklib 2.10.3-1 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.