Hap 5.1 Authorization Code

Technical Brief: Management and Implementation of HAP 5.1 Authorization Codes

1. Introduction

Best Practices

| Symptom | Likely Cause | Fix | | :--- | :--- | :--- | | Code "XXX-XX-XXX" is rejected instantly | Wrong code or HAP version mismatch | Check accessory label. Try updating firmware via manufacturer's app. | | Pairing hangs at "Connecting..." | SRP timeout | Power cycle the accessory. Forget the device from Bluetooth settings. | | "Invalid Authorization Code" after factory reset | Residual keychain data on iPhone | Go to Settings > Privacy & Security > HomeKit > Reset HomeKit Configuration (nuclear option). | | Developer console error: "Bad ed25519 signature" | Custom authorization code malformed | Ensure your code is base64-decoded correctly before passing to HAP server. | hap 5.1 authorization code

The Authorization Code Flow involves the following steps: Technical Brief: Management and Implementation of HAP 5