tegwick
8a40dcb11b
Pointer-only, warden_executes false. Shape lives in flex-auth; OpenBao path is not built yet. Testdata keys are not this lane. Assistant: grok Assistant-Session: 01a09dc1-b21e-77e1-919e-fcad2f82b267
35 lines
1.4 KiB
Markdown
35 lines
1.4 KiB
Markdown
# flex-auth decision-envelope signing key
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Date: 2026-09-14
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Catalog: `flex-auth-decision-envelope-signing-key` (status `draft` until the OpenBao lane exists)
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Owner of **shape**: `flex-auth` (`docs/decision-envelope-signature.md`)
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Owner of **key material**: OpenBao / `railiance-platform` — flex-auth does not mint this key
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Detached Ed25519 key used to sign `flex-auth.decision-record.v1` envelopes so a
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stored allow remains attributable after the HTTP connection is gone
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(`FLEX-WP-0024`, `FLEX-DEC-2026-010`).
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**This lane is a pointer.** ops-warden routes it and executes nothing.
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**Ask first:** `warden plan "decision envelope signing key" --json`.
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---
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## Worker checklist
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1. Do **not** generate a key in `flex-auth` or paste a seed into Git, State Hub, or chat.
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2. The proposed KV path is `platform/workloads/flex-auth/envelope-signing`.
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Fields: `ED25519_PRIVATE_KEY` (secret), `ED25519_PUBLIC_KEY` and `kid` (public).
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3. flex-auth loads the private key the same way it loads TokenReview credentials.
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With no key configured it emits `signature.mode=unsigned`.
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4. Consumers verify with `kid` against the published public key list, not a pinned
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single key. Rotation overlap is the allow TTL (default 15m) plus a short margin.
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## Verify (capabilities-safe)
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```bash
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bao token capabilities <lane-token> platform/data/workloads/flex-auth/envelope-signing
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# expect: read on the workload identity; deny for unrelated paths
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```
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Do not print the private field.
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