End-Cell: seal + rail verify (pinned-key, fail-closed)#7
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- crypto: splitKeyPieces/combineKeyPieces (byte-identical to node/python + verifier). - rail.ts: fetchRailPiece + pinned Ed25519 verify via @noble/curves (pure JS, RN-safe); extracts the raw key from the pinned SPKI; fails closed. - client: createEndCellIntent (ShareA + keyhalve+platform); verifyIntent end_cell branch fetches platform shares (API) + rail share (rail) and XOR-combines; rail options. - @noble/curves runtime dep. 100 tests pass; tsc clean. HOLD publish until cutover. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Adds End-Cell support to the RN SDK (previously split_key only).
crypto:splitKeyPieces/combineKeyPieces— byte-identical to node/python + the website verifier.rail.ts:fetchRailPiece+ pinned Ed25519 verify via @noble/curves (pure JS, RN-safe); raw key extracted from the pinned SPKI. Fails closed.client:createEndCellIntent(Model A) +verifyIntentauto-handles end_cell (platform shares from API + rail share from KeyHalve rail, XOR-combine).railBaseUrl/railPublicKeySpkioptions.@noble/curves. 100 tests pass. Hold publish until cutover.🤖 Generated with Claude Code