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## Why Clients need a stable app-server protocol surface for enrolling a local device key, retrieving its public key, and producing a device-bound proof. The protocol reports `protectionClass` explicitly so clients can distinguish hardware-backed keys from an explicitly allowed OS-protected fallback. Signing uses a tagged `DeviceKeySignPayload` enum rather than arbitrary bytes so each signed statement is auditable at the API boundary. ## What changed - Added v2 JSON-RPC methods for `device/key/create`, `device/key/public`, and `device/key/sign`. - Added request/response types for device-key metadata, SPKI public keys, protection classes, and ECDSA signatures. - Added `DeviceKeyProtectionPolicy` with hardware-only default behavior and an explicit `allow_os_protected_nonextractable` option. - Added the initial `remoteControlClientConnection` signing payload variant. - Regenerated JSON Schema and TypeScript fixtures for app-server clients. ## Stack This is PR 1 of 4 in the device-key app-server stack. ## Validation - `just write-app-server-schema` - `cargo test -p codex-app-server-protocol`
33 lines
943 B
JSON
Generated
33 lines
943 B
JSON
Generated
{
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"$schema": "http://json-schema.org/draft-07/schema#",
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"definitions": {
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"DeviceKeyAlgorithm": {
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"description": "Device-key algorithm reported at enrollment and signing boundaries.",
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"enum": [
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"ecdsa_p256_sha256"
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],
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"type": "string"
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}
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},
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"description": "ASN.1 DER signature returned by `device/key/sign`.",
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"properties": {
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"algorithm": {
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"$ref": "#/definitions/DeviceKeyAlgorithm"
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},
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"signatureDerBase64": {
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"description": "ECDSA signature DER encoded as base64.",
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"type": "string"
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},
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"signedPayloadBase64": {
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"description": "Exact bytes signed by the device key, encoded as base64. Verifiers must verify this byte string directly and must not reserialize `payload`.",
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"type": "string"
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}
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},
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"required": [
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"algorithm",
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"signatureDerBase64",
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"signedPayloadBase64"
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],
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"title": "DeviceKeySignResponse",
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"type": "object"
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} |