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Linux FaceID PAM Module

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A C + Python PAM authentication module for Linux login. Uses OpenCV and Dlib for face recognition with a liveness detection layer, so a static photo cannot spoof the system. Integrates cleanly into the Linux PAM stack as a drop-in secondary factor.

Repository Snapshot

Linux-FaceId

A Linux PAM module for biometric authentication. Enables Face ID for sudo and GDM lockscreen using OpenCV, Dlib, and blink-based liveness detection.

GitHub Metadata

Primary Language:Python

Stars:1

Forks:0

Last Updated:4/7/2026

System Parameters

PAM Context Hook

pam_exec.so system integration

Vision Engine

OpenCV DNN face detector (Yunet)

Feature Extractor

SFace face recognition model

Liveness Check

EAR (Eye Aspect Ratio) blink validation

Security Policy

Fallback to system password