Robot-Market/mqtt-security-test
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Use plain Mermaid diagrams again and drop the SVG images

Browse Source 
The preview problems were caused by the diagram text, which is now fixed in
every copy, so the pre-rendered SVGs (white background, harder to keep in
sync) are no longer needed. Also updates docker/docs with the fixed text.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
This commit is contained in:
Ryan
2026-10-25 11:31:29 +03:30
co-authored by Claude Sonnet 5.5
parent c1fcfb7b73
commit 20d69b93b7
10 changed files with 30 additions and 65 deletions
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docker/docs/enrollment-and-activation.md
+13 -13
View File
@@ -46,14 +46,14 @@ sequenceDiagram
participant G as Go backend
B->>B: random Client ID, X25519 keypair (b, B), nonce n1
B->>M: CONNECT (TLS, anonymous, clientId=random)
B->>G: enroll/request/<cid> {B, n1, mac}
B->>G: enroll/request/[cid] [B, n1, mac]
G->>G: create FN record, ephemeral (s, S)
G->>G: shared = X25519(s, B); pw = HKDF(shared, FN, n1)
G->>G: shared = X25519(s, B), pw = HKDF(shared, FN, n1)
G->>M: Dynamic Security: create client FN, pw, role board-bootstrap
G->>B: enroll/response/<cid> {FN, S, sig} (not retained)
G->>B: enroll/response/[cid] [FN, S, sig] (not retained)
B->>B: verify sig with pinned public key
B->>B: shared = X25519(b, S); same pw
B->>B: persist FN + pw to flash
B->>B: shared = X25519(b, S), same pw
B->>B: persist FN and pw to flash
B->>M: reconnect as FN / pw
```
@@ -94,13 +94,13 @@ sequenceDiagram
participant G as Go backend
participant M as Mosquitto
participant B as Board (FN)
B->>G: board/<FN>/activation/request
B->>G: board/[FN]/activation/request
O->>G: pick SN, confirm code and short string
G->>M: ensure role machine-<SN> (literal ACLs device/<SN>/...)
G->>M: add roles machine-<SN> + capability roles to client FN
G->>B: board/<FN>/activation/response {SN, sig}
G->>M: ensure role machine-[SN] (literal ACLs device/[SN]/...)
G->>M: add roles machine-[SN] + capability roles to client FN
G->>B: board/[FN]/activation/response [SN, sig]
B->>B: store SN, reconnect as FN
B->>M: use device/<SN>/... topics
B->>M: use device/[SN]/... topics
```
- **Roles:** one assignment role per machine, `machine-<SN>`, with **literal** topics such as `device/SN000123/sales/report`. `%u` cannot express the SN here because the username is the FN. Plus shared capability roles (`vending`, `news`, `updates`).
@@ -119,12 +119,12 @@ sequenceDiagram
participant M as Mosquitto
participant B as Board (FN)
B->>B: new ephemeral X25519 keypair (b2, B2)
B->>G: board/<FN>/activation/request {B2, n2}
B->>G: board/[FN]/activation/request [B2, n2]
O->>G: pick SN, confirm code and short string
G->>G: ephemeral (s2, S2); shared = X25519(s2, B2)
G->>G: ephemeral (s2, S2), shared = X25519(s2, B2)
G->>G: pw = HKDF(shared, SN, n2, generation)
G->>M: create or update client SN: pw, clientId bound to board, role vending-device
G->>B: board/<FN>/activation/response {SN, S2, sig}
G->>B: board/[FN]/activation/response [SN, S2, sig]
B->>B: verify sig, derive same pw, store SN + pw
B->>M: reconnect as SN / pw
G->>M: disable FN client (or keep for rescue / re-enrollment)