These are some screenshots demonstrating the uses and setup of passwdqc on Openwall GNU/*/Linux. They pertain to versions 1.1.x of passwdqc.
The "passwd" program started, with pam_passwdqc configured in the system:
pam_passwdqc rejected a weak password:
A stronger-looking password was finally accepted:
Of course, pam_passwdqc also works for "passwd" invocations by the users:
A similar interaction with pam_passwdqc via the Owl setup program:
The PAM and libpasswdqc configuration files:
Changes to passwdqc.conf and their effect:
An excerpt from "man pam_passwdqc":
An excerpt from "man passwdqc.conf":
An excerpt from "man pwqcheck":
An excerpt from "man pwqgen":
The command-line programs:
passwdqc for Windows screenshots.
Change Password utility:|
The generated passphrases have been confirmed to meet the expected statistical properties (no excessive repetitions among millions generated for testing purposes on Windows 8.1 64-bit). We use CryptGenRandom, an interface to Windows' cryptographically secure pseudorandom number generator.
Reset Password utility, user choice dialog:
Reset Password utility, new password dialog: