espilon-source/tools/C3PO/tui/styles/c2.tcss
Eun0us 8b6c1cd53d ε - ChaCha20-Poly1305 AEAD + HKDF crypto upgrade + C3PO rewrite + docs
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
2026-02-10 21:28:45 +01:00

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/* C3PO TUI Stylesheet - Multi-device view */
Screen {
background: $surface;
}
/* Header/Tab bar */
#tab-bar {
height: 1;
dock: top;
background: $surface-darken-1;
}
/* Main content area */
#main-content {
height: 1fr;
}
/* Left panel: all devices stacked */
#devices-panel {
width: 1fr;
min-width: 30;
}
#no-device-placeholder {
width: 100%;
height: 100%;
content-align: center middle;
color: $text-muted;
}
/* Right panel: global logs */
#global-log-container {
width: 1fr;
min-width: 30;
border: solid $primary;
border-title-color: $text;
border-title-style: bold;
}
/* Input area */
#input-container {
height: 3;
dock: bottom;
background: $surface-darken-1;
border-top: solid $primary;
padding: 0;
}
#command-input {
width: 1fr;
height: 1;
margin: 0;
padding: 0 1;
}
#shortcuts-bar {
height: 1;
width: 100%;
background: $surface-darken-2;
color: $text-muted;
padding: 0 1;
}
/* Device containers - each device in its own bordered box */
DeviceContainer {
height: 1fr;
min-height: 5;
border: solid $secondary;
border-title-color: $text;
border-title-style: bold;
margin-bottom: 0;
}
/* Log pane inside device container */
DeviceLogPane {
height: 100%;
scrollbar-size: 1 1;
}
/* Global log pane */
GlobalLogPane {
height: 100%;
scrollbar-size: 1 1;
}
/* Log colors */
.log-system {
color: cyan;
}
.log-device {
color: yellow;
}
.log-error {
color: red;
}
.log-command {
color: blue;
}
.log-response {
color: green;
}
/* Status indicator */
.status-connected {
color: green;
}
.status-inactive {
color: yellow;
}
.status-disconnected {
color: red;
}