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Contracts docs: public key material encoding and validation #620
Description
Branch: Open your PR against dev. PRs targeting main are closed automatically.
Description:
Write apps/backend/docs/contracts-key-material.md for lib/keys.ts, the single validator every key-accepting endpoint runs. Client implementers need exact encodings, and the REST schema reference (#270) covers request shapes, not key formats.
Acceptance criteria:
- A table of every key type the server accepts — identity key, signed prekey, one-time prekey, signature, MLS key package — with encoding (base64), raw versus SPKI form, and exact byte length (
ED25519_RAW_KEY_BYTES32,ED25519_SPKI_BYTES44,ED25519_SIG_BYTES64, MLS key package 32–4096) - Documents how the web client converts between raw and SPKI (
rawEd25519PublicKeyToSpki/spkiToRawEd25519PublicKeyinapps/web/src/lib/x3dh.ts) - Documents what signature is verified over what bytes for signed prekeys
- Gives one valid and one rejected example payload per key type
Activity
0xDeon commentedon Oct 20, 2026
@0xDeon has applied to work on this issue as part of the Stellar Wave Program's 10th wave.
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drips-wave commentedon Oct 20, 2026
Congratulations, @0xDeon! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on October 22, 2026.
🧑💻 @0xDeon: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.
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github-actions commentedon Oct 20, 2026
Closed by #647, merged into
dev.drips-wave commentedon Oct 20, 2026
This issue has been completed by @0xDeon as part of the Stellar Wave Program's 10th Wave 🥳
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