FIDO2 toolkit

• FIDO2/CTAP2/U2F utility "yafu" for command line authenticator introspection
  • easy to use, UNIX style, like GlobalPlatformPro
  • supports U2F_V2, FIDO_2_0 and FIDO_2_1_PRE devices
• FIDO2/CTAP2/U2F Java library
  • support for NFC (PC/SC) and USB (HID) and TCP (test tools) transports
  • flexible CTAP2 command creation and wire protocol debugging helpers
  • like libfido2, but in Java 17+ :)