passwdqc ☆
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Description:
Password/passphrase strength checking and enforcement toolset
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Security
Tags: password security authentication pam encryption
Install: brew install passwdqc
About:
Passwdqc is a password strength checking tool that enforces complex policies to prevent weak passwords. It evaluates passwords based on length, character variety, and dictionary matches to ensure robust security. The toolset includes PAM modules and command-line utilities for seamless integration into Linux/Unix authentication systems.
Key Features:
  • Enforces configurable password complexity policies
  • Checks against dictionary words and common patterns
  • Includes PAM module for system integration
  • Provides command-line utilities for testing
  • Supports multiple hashing algorithms
Use Cases:
  • Securing user authentication on Linux servers
  • Enforcing password policies in enterprise environments
  • Integrating with PAM for system-wide password validation
  • Testing password strength in security audits
Alternatives:
  • pam_cracklib – Similar PAM integration but Cracklib-based with different scoring algorithm
  • zxcvbn – Modern entropy-based estimator with JavaScript library focus
Version History
Detected Version Rev Change Commit
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