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XC_VM/tools/ci
Claude 2cdadf017a feat(cluster): break-glass enrolment by code
For an LB MAIN cannot reach over SSH. `cluster:enrol-code <id>` issues a
one-time code (MAIN URL, panel key hash, 128-bit secret; 30 min). MAIN
keeps only K_req/K_res, sealed to the machine under a row MAC.

The node sends enrol_code (sid:<n>, epoch 0; MAC'd with K_req, signed by
the key it asks to enrol, body SEALed to the panel box key). Nothing is
minted until `cluster:enrol-approve <id> <SAS>`: the admin types the SAS
the node shows, which binds its keys; five wrong entries reject. The
node then collects epoch 1 via enrol_code_status (MAC'd with K_res,
panel-signed `pre`) and finishes with enrol_complete.

A wrong code MAC records nothing; other keys under a used code are a
signed ENROL_CONFLICT, the same keys again are accepted. Migration 036
keeps the request's per-epoch key until approval. Both commands are
MAIN-only (stripped from the LB archive).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DcNdxHieZuUh3EnMUKt7zf
2026-09-25 12:32:59 +00:00
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