Add security: authentication and encryption#75
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BenediktBurger
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May 6, 2026
| A security mode using CurveZMQ (RFC 50) for authentication and encryption based on Curve25519 key pairs, see {doc}`security`. | ||
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| Security mode | ||
| The security configuration of a LECO Network, either `NONE` (no security) or `CURVE` (authenticated and encrypted), see {ref}`security.md#security-modes`. |
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Has to be changed, as #80 has been merged. Does {doc} still work?
BenediktBurger
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May 6, 2026
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| :::{mermaid} | ||
| sequenceDiagram | ||
| participant CA as Component A | ||
| participant Co as N1.COORDINATOR | ||
| Note over CA,Co: CURVE mode handshake | ||
| CA ->> Co: ZMQ CURVE handshake (client_secret + server_public) | ||
| Note right of Co: ZAP validates client public key | ||
| alt Handshake succeeds | ||
| Co -->> CA: Handshake OK | ||
| CA ->> Co: V|COORDINATOR|CA|H|sign_in | ||
| Co ->> CA: V|N1.CA|N1.COORDINATOR|H|result | ||
| else Unauthorized key | ||
| Co -->> CA: Connection rejected (ZAP) | ||
| Note right of Co: Log: "CURVE auth failed for [key hash]" | ||
| else Wrong server key | ||
| CA -->> Co: Handshake fails | ||
| Note left of CA: Log: "CURVE handshake failed" | ||
| end | ||
| ::: |
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| :::{mermaid} | |
| sequenceDiagram | |
| participant CA as Component A | |
| participant Co as N1.COORDINATOR | |
| Note over CA,Co: CURVE mode handshake | |
| CA ->> Co: ZMQ CURVE handshake (client_secret + server_public) | |
| Note right of Co: ZAP validates client public key | |
| alt Handshake succeeds | |
| Co -->> CA: Handshake OK | |
| CA ->> Co: V|COORDINATOR|CA|H|sign_in | |
| Co ->> CA: V|N1.CA|N1.COORDINATOR|H|result | |
| else Unauthorized key | |
| Co -->> CA: Connection rejected (ZAP) | |
| Note right of Co: Log: "CURVE auth failed for [key hash]" | |
| else Wrong server key | |
| CA -->> Co: Handshake fails | |
| Note left of CA: Log: "CURVE handshake failed" | |
| end | |
| ::: | |
| ```mermaid | |
| sequenceDiagram | |
| participant CA as Component A | |
| participant Co as N1.COORDINATOR | |
| Note over CA,Co: CURVE mode handshake | |
| CA ->> Co: ZMQ CURVE handshake (client_secret + server_public) | |
| Note right of Co: ZAP validates client public key | |
| alt Handshake succeeds | |
| Co -->> CA: Handshake OK | |
| CA ->> Co: V|COORDINATOR|CA|H|sign_in | |
| Co ->> CA: V|N1.CA|N1.COORDINATOR|H|result | |
| else Unauthorized key | |
| Co -->> CA: Connection rejected (ZAP) | |
| Note right of Co: Log: "CURVE auth failed for [key hash]" | |
| else Wrong server key | |
| CA -->> Co: Handshake fails | |
| Note left of CA: Log: "CURVE handshake failed" | |
| end | |
| ``` |
see #80
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Addresses #72