Yubico
Developers
Yubico Support
YouTube - Yubico Authenticator 7 + YubiKey Firmware 5.7: How To Secure OTPs with a Hardware Key
Nitrokey
Pico Commissioner
chrome://device-log
CUSTOM VID:PID 1050:0407
LED GPIO PIN 16
PRODUCT NAME Yubico YubiKey
ykman config usb -d u2f -d oath
ykman otp static --keyboard-layout us --no-enter 2 KEY-01_DATE-2025-08-04_FW-Pico-Fido
ykman otp static --keyboard-layout us --no-enter 2 KEY-02_DATE-2025-08-04_FW-Pico-Fido
ykman fido access change-pin
ykman fido info
ykman info
ykman fido credentials list
GitHub - OpenSC documentation - Open source smart card tools and middleware
Tutorials
Articles by Geoff Rehmet
2025-06-07 Why not make your own security key?
2025-06-14 Building your RP2350-based FIDO2 key
2025-06-20 Loading software onto your RP2350-based security key
2025-06-26 Getting started with your FIDO2 Security Key
2025-07-09 Do You Need a FIDO2 Physical Security Key?
Manage emergency access accounts in Microsoft Entra ID
Security through transparency: RP2350 Hacking Challenge results are in
Boards
RP2350
Protection
pcb polyurethane
pcb potting compound
epoxy resin
Wikipedia
Hackaday - Two Factor Authentication Apps: Mistakes To Malware
Token2 - Tools for FIDO security keys
Solo is an open source security key
Nitrokey FIDO2 is an open source security key
Yubico - libfido2 supports the FIDO U2F (CTAP 1) and FIDO2 (CTAP 2) protocols