cryptnox-hardware-wallet

Documentation for the Cryptnox Hardware Wallet smart card

This repository contains the technical documentation for the Cryptnox Hardware Wallet card, available on the Cryptnox documentation portal.

---

Contents

Section	Description
Introduction	Security model, supported algorithms and curves
Technical specifications	Cryptographic capabilities, communication protocols, Secure Element features
Lifecycle management	Card states and transitions
Secure channel	Session establishment, key derivation, APDU encryption
Authentication	PIN, PUK, user keys, FIDO2
Seed management	Seed generation, dual generation mode, key sources
Key derivation	BIP32 / SLIP-0010, dual curve support, parent key caching
EC signature	Signature types, output formats, pinless signing
Command overview	Summary of all APDU commands and their security requirements
APDU commands	Setup, crypto, data, and user key commands
Status codes reference	Response codes and error handling
Cryptographic assets	Key material, credentials, and derived secrets managed by the card
License	CC BY-NC-ND 4.0

---

Build locally

pip install -r requirements.txt
sphinx-build -b html docs/source docs/build/html

Then open docs/build/html/index.html in your browser.

---

License

cryptnox-hardware-wallet is licensed under CC BY-NC-ND 4.0:

• Attribution for appropriate credit to Cryptnox SA
• NonCommercial for non-commercial use only
• NoDerivatives for unmodified redistribution only

For inquiries, contact: contact@cryptnox.com