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
55 lines
1.6 KiB
Python
55 lines
1.6 KiB
Python
#!/usr/bin/env python3
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"""Simple UDP test server to debug camera streaming."""
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import socket
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import sys
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HOST = "0.0.0.0"
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PORT = 5000
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TOKEN = b"Sup3rS3cretT0k3n"
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def main():
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port = int(sys.argv[1]) if len(sys.argv) > 1 else PORT
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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sock.bind((HOST, port))
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print(f"[UDP] Listening on {HOST}:{port}")
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print(f"[UDP] Token: {TOKEN.decode()}")
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print("[UDP] Waiting for packets...\n")
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packet_count = 0
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frame_count = 0
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try:
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while True:
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data, addr = sock.recvfrom(65535)
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packet_count += 1
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# Check token
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if data.startswith(TOKEN):
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payload = data[len(TOKEN):]
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if payload == b"START":
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print(f"[{addr[0]}:{addr[1]}] START (new frame)")
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elif payload == b"END":
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frame_count += 1
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print(f"[{addr[0]}:{addr[1]}] END (frame #{frame_count} complete)")
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else:
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print(f"[{addr[0]}:{addr[1]}] CHUNK: {len(payload)} bytes")
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else:
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print(f"[{addr[0]}:{addr[1]}] INVALID TOKEN: {data[:20]}...")
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# Stats every 100 packets
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if packet_count % 100 == 0:
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print(f"\n--- Stats: {packet_count} packets, {frame_count} frames ---\n")
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except KeyboardInterrupt:
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print(f"\n[UDP] Stopped. Total: {packet_count} packets, {frame_count} frames")
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finally:
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sock.close()
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if __name__ == "__main__":
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main()
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