The ECC608-TNGHNT has 16 slots that are configured for different use cases. Below is a summary of those slots with their configuration and proposed uses for the ECC608-TNGHNT:
| Slot | Use Case | Description | Primary Configuration |
|---|---|---|---|
| 0 | Helium LoRaWAN® Gateway | HNT ECC-P256 SwarmKey | Lockable, GenKey is allowed, Int Sign, Ext Sign, ECDH |
| 1 | Internal sign private key | Private key that can only be used to attest to the internal keys and state of the device. It cannot be used to sign arbitrary messages. | Permanent, Int Sign |
| 2 | Reserved | — | — |
| 3 | Secondary private key 1 | Secondary private key for other uses | Updatable, Ext Sign, ECDH, Lockable |
| 4 | Secondary private key 2 | Secondary private key for other uses | Updatable, Ext Sign, ECDH, Lockable |
| 5 | Reserved | — | — |
| 6 | I/O protection key | Key used to protect the I2C bus communication (I/O) of certain commands. Requires setup before use. | No Read, Always Write, Lockable |
| 7 | Reserved | — | — |
| 8 | General data | General purpose data storage (416 bytes). | Clear Read, Always Write, Lockable |
| 9 | AES key | Intermediate key storage for ECDH and KDF output | No Read, Always Write, AES key |
| 10 | Reserved | — | — |
| 11 | Reserved | — | — |
| 12 | Reserved | — | — |
| 13 | Reserved | — | — |
| 14 | Reserved | — | — |
| 15 | Reserved | — | — |