Digital Secure - Key Password

(Optional) Biometric unlock: [Use Face ID / Fingerprint]

"client_nonce": "base64...", "signature": "base64..." digital secure key password

secure_key_seed = secrets.token_bytes(32) encrypted_seed = xor_bytes(secure_key_seed, password_key) # simplified (Optional) Biometric unlock: [Use Face ID / Fingerprint]