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Credits

This project stands on the shoulders of three communities. None of these upstreams legally require attribution (the SeedHammer projects are released under the Unlicense; SeedSigner is MIT). Attribution is kept here as courtesy and to make code provenance traceable.

Upstream SeedHammer (Pi-Zero / v1 firmware)

  • Repo: https://github.com/seedhammer/seedhammer
  • Baseline: v1.3.0 (commit 2f071c1d8f23eb7fd39b15fc0acb8874113f801e)
  • License: Unlicense (public domain dedication)
  • Lifted from this codebase: plate-area constants (backup/), engrave-stroke geometry (engrave/), MarkingWay USB-serial driver (driver/mjolnir/), WaveShare HAT button mapping (driver/wshat/), pre-rasterised OpenType fonts (font/comfortaa, font/poppins, font/constant), GUI screen flows (gui/), camera + LCD drivers (driver/libcamera/, driver/drm/), curve math (bezier/, bspline/), image helpers (image/).

Gangleri42's SeedHammer fork (SH-II features that inspired this port)

  • Repo: https://github.com/Gangleri42/seedhammer
  • Baseline: branch seedhammer-features (commit 0a3c63efb125d17d8ec86ce739ecd058c8747cfe)
  • License: Unlicense (public domain dedication)
  • Lifted from this codebase: composer PWA shell (cmd/webnfc/), firmware-in-browser emulator pattern (cmd/wasmemu/), combined composer+emulator harness (cmd/webnfc-sim/), Android wrapper structure (cmd/seedhammer-android/). The engrave-payload encoder (engrave/wire/) is NOT lifted as-is — it is SH-II-specific (the SH2E NFC envelope); v1 has a completely different live USB-serial protocol. We replace it with a v1-shaped SH1E envelope (see docs/architecture/sh1e-spec.md).

SeedSigner (companion emulator)

  • Repo: https://github.com/SeedSigner/seedsigner
  • Baseline: TBD — bundled via Pyodide at a pinned commit; see web/seedsigner-sim/UPSTREAM.md once that is wired up.
  • License: MIT
  • Used in this project: runtime UI assets (src/seedsigner/resources/), custom icon font (seedsigner-icons.otf), screen-flow definitions (src/seedsigner/views/, src/seedsigner/gui/screens/), screenshot generator (tests/screenshot_generator/) used as a CI pixel-diff oracle, 3D-printable enclosure CAD source (enclosures/) for the device chassis render.
  • License compliance: SeedSigner-derived files segregated under web/seedsigner-sim/upstream/ and cmd/seedsigner-sim/upstream/ with the MIT notice preserved in LICENSE.seedsigner.

Other dependencies

  • github.com/fxamacker/cbor/v2 — MIT — used for SH1E payload encoding (canonical CBOR).
  • github.com/tarm/serial — MIT — USB-serial driver, brought in via upstream SeedHammer's driver/mjolnir/.
  • periph.io/x/conn/v3 + periph.io/x/host/v3 — Apache 2.0 — GPIO library, brought in via upstream SeedHammer's driver/wshat/.
  • Pyodide — MPL-2.0 — Python-in-WASM runtime used to host the SeedSigner emulator in-browser. See web/seedsigner-sim/pyodide/.

Contributing

If you contribute and want your name listed here, just say so in your PR. We will not list you without consent.