passwdqc 介绍
passwdqc 是一个密码强度检查和策略增加工具集。包含一个可选的 PAM 模块 (pam_passwdqc) 和命令行工具 (pwqcheck and
pwqgen) 以及开发库 (libpasswdqc).
On systems with PAM, pam_passwdqc is normally invoked on password changes by
programs such as passwd(1). It is capable of checking password or passphrase
strength, enforcing a policy, and offering randomly-generated passphrases,
with all of these features being optional and easily (re-)configurable.
pwqcheck and pwqgen are standalone password/passphrase strength checking and
random passphrase generator programs, respectively, and are usable from
scripts. libpasswdqc is the underlying library, which may also be used from
third-party programs.