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== libfido2 image:https://github.com/yubico/libfido2/workflows/linux/badge.svg["Linux Build Status (github actions)", link="https://github.com/Yubico/libfido2/actions"] image:https://github.com/yubico/libfido2/workflows/macos/badge.svg["macOS Build Status (github actions)", link="https://github.com/Yubico/libfido2/actions"] image:https://github.com/yubico/libfido2/workflows/windows/badge.svg["Windows Build Status (github actions)", link="https://github.com/Yubico/libfido2/actions"] image:https://github.com/yubico/libfido2/workflows/fuzzer/badge.svg["Fuzz Status (github actions)", link="https://github.com/Yubico/libfido2/actions"] image:https://oss-fuzz-build-logs.storage.googleapis.com/badges/libfido2.svg["Fuzz Status (oss-fuzz)", link="https://bugs.chromium.org/p/oss-fuzz/issues/list?sort=-opened&can=1&q=proj:libfido2"] *libfido2* provides library functionality and command-line tools to communicate with a FIDO device over USB, and to verify attestation and assertion signatures. *libfido2* supports the FIDO U2F (CTAP 1) and FIDO2 (CTAP 2) protocols. For usage, see the `examples/` directory. === License *libfido2* is licensed under the BSD 2-clause license. See the LICENSE file for the full license text. === Supported Platforms *libfido2* is known to work on Linux, macOS, Windows, OpenBSD, and FreeBSD. NFC support is available on Linux and Windows. === Documentation Documentation is available in troff and HTML formats. An https://developers.yubico.com/libfido2/Manuals/[online mirror of *libfido2*'s documentation] is also available. === Bindings * .NET: https://github.com/borrrden/Fido2Net[Fido2Net] * Go: https://github.com/keys-pub/go-libfido2[go-libfido2] * Perl: https://github.com/jacquesg/p5-FIDO-Raw[p5-FIDO-Raw] * Rust: https://github.com/PvdBerg1998/libfido2[libfido2] === Installation ==== Releases The current release of *libfido2* is 1.10.0. Please consult Yubico's https://developers.yubico.com/libfido2/Releases[release page] for source and binary releases. ==== Ubuntu 20.04 (Focal) $ sudo apt install libfido2-1 $ sudo apt install libfido2-dev $ sudo apt install libfido2-doc Alternatively, newer versions of *libfido2* are available in Yubico's PPA. Follow the instructions for Ubuntu 18.04 (Bionic) below. ==== Ubuntu 18.04 (Bionic) $ sudo apt install software-properties-common $ sudo apt-add-repository ppa:yubico/stable $ sudo apt update $ sudo apt install libfido2-dev ==== macOS $ brew install libfido2 Or from source, on UNIX-like systems: $ cmake -B build $ make -C build $ sudo make -C build install Depending on the platform, https://www.freedesktop.org/wiki/Software/pkg-config/[pkg-config] may need to be installed, or the PKG_CONFIG_PATH environment variable set. *libfido2* depends on https://github.com/pjk/libcbor[libcbor], https://www.openssl.org[OpenSSL] 1.1 or newer, and https://zlib.net[zlib]. On Linux, libudev (part of https://www.freedesktop.org/wiki/Software/systemd[systemd]) is also required. For complete, OS-specific installation instructions, please refer to the `.actions/` (Linux, macOS) and `windows/` directories. On Linux, you will need to add a udev rule to be able to access the FIDO device, or run as root. For example, the udev rule may contain the following: ---- #udev rule for allowing HID access to Yubico devices for FIDO support. KERNEL=="hidraw*", SUBSYSTEM=="hidraw", \ MODE="0664", GROUP="plugdev", ATTRS{idVendor}=="1050" ----