zig-ctap2/
├── .github/
│ ├── ISSUE_TEMPLATE/
│ │ ├── bug_report.yml
│ │ ├── config.yml
│ │ ├── documentation.yml
│ │ └── feature_request.yml
│ ├── workflows/
│ │ ├── ci.yml
│ │ ├── docs.yml
│ │ └── release.yml
│ └── PULL_REQUEST_TEMPLATE.md
├── docs/
│ ├── api/
│ │ ├── c-ffi.md (C FFI API Reference: zig-ctap2)
│ │ └── zig-api.md (Zig API Reference: zig-ctap2)
│ ├── guides/
│ │ ├── apple-interop.md (Apple Interop)
│ │ ├── building.md (Building)
│ │ └── integration.md (Integration Guide)
│ ├── agents.md (AGENTS.md)
│ ├── index.md (zig-ctap2)
│ ├── llms.txt
│ └── source-tree.md (Source Tree: zig-ctap2)
├── examples/
│ ├── device_count.c
│ └── get_info.c
├── include/
│ └── ctap2.h (C header -- 16 functions)
├── scripts/
│ ├── gen_api_docs.py
│ └── gen_docs.py
├── src/
│ ├── cbor.zig (Minimal CBOR encoder/decoder for CTAP2.)
│ ├── ctap2.zig (CTAP2 command encoding and response parsing.)
│ ├── ctaphid.zig (CTAPHID transport framing for FIDO2 USB HID communication.)
│ ├── ffi.zig (C FFI exports for libctap2.)
│ ├── hid.zig (Platform-selected USB HID transport for FIDO2 devices.)
│ ├── hid_linux.zig (Linux USB HID transport via hidraw.)
│ ├── hid_macos.zig (macOS USB HID transport via IOKit.)
│ ├── pin.zig (CTAP2 Client PIN protocol v2 (authenticatorClientPIN comm...)
│ └── root.zig (Public Zig package API for zig-ctap2.)
├── tests/
│ ├── hardware_test.zig (Hardware integration tests -- require a physical YubiKey.)
│ ├── pbt_cbor.zig (Property-based tests for CBOR encoder/decoder roundtrips.)
│ └── pbt_ctaphid.zig (Property-based tests for CTAPHID message framing.)
├── .coderabbit.yaml
├── .envrc
├── .gitignore
├── .pre-commit-config.yaml
├── .secrets.baseline
├── AGENTS.md (AGENTS.md -- zig-ctap2)
├── CONTRIBUTING.md (Contributing to zig-ctap2)
├── LICENSE (License)
├── README.md (zig-ctap2)
├── SECURITY.md (Security Policy)
├── build.zig
├── build.zig.zon
├── flake.lock (Nix flake lockfile)
├── flake.nix (Nix flake)
├── justfile (Just task runner recipes)
├── llms-full.txt
├── llms.txt
└── mkdocs.yml (MkDocs configuration)