Linux driver for the Dell ControlVault2 / Broadcom BCM5880 fingerprint chip (0a5c:5834)
Native Linux fingerprint support for the Dell/Broadcom ControlVault 3 (BCM58200, 0a5c:5843): a keyless libfprint TOD driver so fprintd/PAM just work, plus a standalone PAM stack. Includes the reverse-engineered secure-channel protocol writeup.
Fingerprint reader installer + GTK4 UI for Dell laptops with the Broadcom CV3+ sensor on Ubuntu (incl. 26.04). USB IDs 0a5c:5864-5867.
Linux recovery and integration toolkit for Dell Latitude 7400 Broadcom ControlVault 3 (USB 0a5c:5843): libusb host-timestamp interrupt shim for fprintd/libfprint-TOD, safe AAI/SBI firmware inspection, and TPM-backed Passless CTAP2/WebAuthn with fail-closed fingerprint verification.
Fix 'fprintd: No devices available' for the Dell ControlVault 3 Plus fingerprint reader (Broadcom 58200, 0a5c:5865) on Debian 13: Dell Pro, Pro Max, Latitude 5x50/7x50/9450, Precision 3490/3590/5490. Fingerprint sudo, SDDM login, KDE lock screen.
Independent research and Linux interoperability documentation for Dell ControlVault2 / Broadcom BCM5880 hardware
Dell Latitude 9330 on Omarchy/Arch: Broadcom ControlVault 3 fingerprint fix, s2idle deep sleep, suspend-then-hibernate, and a health bar widget
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