Incorporates two of the three corrections raised by msmuenchen on
discussion #2538:
- Identity: document that the 64-byte Ed25519 private key is the
expanded `a || RH` (orlp) form, not a 32-byte seed, and that it
cannot be consumed by standard Ed25519 libraries. Touches
15-identity.md and 14-crypto.md.
- Group: document the GRP_TXT/GRP_DATA inner plaintext format
(timestamp + flags + message) and the GRP_TXT length limits in
08-payload-group.md.
The third correction (GRP_DATA vs RAW_CUSTOM app differentiation) is
deferred pending reviewer clarification.
Corpus: replace the unrealistic group vectors with valid inner-format
plaintexts; the ed25519 vectors now carry the 64-byte expanded key and
the seed; the schema and validator gain seed fields. Also corrects two
pre-existing wrong values found while verifying -- ed-001's public key
and ed-002's signature now match RFC 8032.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Set up the protocol spec as an mdBook and add a GitHub Actions
workflow that builds it on every push/PR and deploys to GitHub
Pages on main. The repo is now both a machine-readable corpus and
a browsable, searchable site.
Structure changes (one-time, mechanical):
- Rename the spec source directory from `spec/` to `src/` to match
mdBook's default convention. All 21 chapter files move; their
internal relative cross-links are unchanged.
- Add `src/SUMMARY.md` as the mdBook table of contents, grouping
chapters under Wire Format, Payloads, Cryptography & Identity,
and Routing & Higher-Layer Protocols.
- Add `book.toml` at repo root: title, author, search enabled,
fold enabled, edit-on-GitHub links, navy theme.
- Add `.github/workflows/mdbook.yml`: build on push + PR, deploy
on push to main only (configure-pages + upload-pages-artifact +
deploy-pages from actions/).
- Add `/book/` to .gitignore.
Reference updates so the old path is fully retired:
- Every `spec_ref` in `corpus/**/*.json` rewritten from `spec/` to
`src/` (54 files).
- Schema description text and example path in
`corpus/schema/test-vector.schema.json`.
- `README.md`: prominent link to the published site near the top;
"What's Here" updated for the new layout.
- `CONTRIBUTING.md`: spec-editing instructions point at `src/`
and note the SUMMARY.md requirement.
- `CLAUDE.md`: directory-layout notes updated.
CHANGELOG.md historical entries intentionally keep their `spec/`
paths since those record what the paths were at the time of those
commits.
After this lands, the user needs to enable GitHub Pages in repo
settings with source = "GitHub Actions" (one-time, manual). The
workflow will then publish to https://swaits.github.io/meshcore-spec/
on every push to main.
Verified locally: `mdbook build` produces a clean book/ tree with
all 21 chapters rendered and the SUMMARY-driven sidebar populated.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Add four SHA-256-truncation vectors covering ACK CRC computation with
incrementing attempt values (0..3) over a stable (timestamp, text,
sender_pub_key) triple. Demonstrates that each retry produces a
distinct expected CRC, fixing the algorithmic ambiguity noted in the
2026-04-01 audit.
Algorithm: SHA-256(timestamp(4) || txt_type_attempt(1) || text ||
sender_pub_key(32))[0..3] as little-endian uint32.
Validated against upstream meshcore-dev/MeshCore @ 1a7b361
(BaseChatMesh::composeMsgPacket, src/helpers/BaseChatMesh.cpp:407).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
swaitsandClaude Opus 4.7