Executive summary

zkbiolock register key describes a proposed workflow and data structure for registering a biometric-based zero-knowledge (ZK) authentication credential (a “register key”) that binds a user’s biometric proof to a ZK identity without revealing raw biometric data. This report details architecture, cryptographic primitives, data formats, protocols, threat model, privacy properties, implementation options, integration patterns, and an example end-to-end register flow suitable for engineering teams.

The registration process links your specific hardware (the USB Encoder) to the software on your PC. This ensures that only authorized devices can issue room keys and access the hotel's encrypted guest database. Core Functionality

  • Minimal disclosure: store only PK, H, and policy flags server-side; avoid user identifiers.
  • Locate Encoder ID: Navigate to System Parameter Management > System Register. The system will display an Encoder ID in red.