8b6c1cd53d
Crypto: - Replace broken ChaCha20 (static nonce) with ChaCha20-Poly1305 AEAD - HKDF-SHA256 key derivation from per-device factory NVS master keys - Random 12-byte nonce per message (ESP32 hardware RNG) - crypto_init/encrypt/decrypt API with mbedtls legacy (ESP-IDF v5.3.2) - Custom partition table with factory NVS (fctry at 0x10000) Firmware: - crypto.c full rewrite, messages.c device_id prefix + AEAD encrypt - crypto_init() at boot with esp_restart() on failure - Fix command_t initializations across all modules (sub/help fields) - Clean CMakeLists dependencies for ESP-IDF v5.3.2 C3PO (C2): - Rename tools/c2 + tools/c3po -> tools/C3PO - Per-device CryptoContext with HKDF key derivation - KeyStore (keys.json) for master key management - Transport parses device_id:base64(...) wire format Tools: - New tools/provisioning/provision.py for factory NVS key generation - Updated flasher with mbedtls config for v5.3.2 Docs: - Update all READMEs for new crypto, C3PO paths, provisioning - Update roadmap, architecture diagrams, security sections - Update CONTRIBUTING.md project structure
38 lines
839 B
Python
38 lines
839 B
Python
from dataclasses import dataclass, field
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import socket
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import time
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@dataclass
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class Device:
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"""
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Représente un ESP32 connecté au serveur
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"""
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id: str
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sock: socket.socket
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address: tuple[str, int]
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connected_at: float = field(default_factory=time.time)
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last_seen: float = field(default_factory=time.time)
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status: str = "Connected"
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# System info (populated by auto system_info query)
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chip: str = ""
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modules: str = ""
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def touch(self):
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"""
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Met à jour la date de dernière activité et marque le device comme connecté
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"""
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self.last_seen = time.time()
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self.status = "Connected"
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def close(self):
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"""
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Ferme proprement la connexion
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"""
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try:
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self.sock.close()
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except Exception:
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pass
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