5 Communication Security Modes
Communication between the device and host operates in three basic modes.
- Standard mode — Default mode for the device after power-up
- Authentication mode — Activated by a successful authentication sequence
- Encryption mode — Activated by a successful encryption activation following a successful authentication
|
Mode |
Configuration Data |
User Data |
Passwords |
Data Integrity Check |
|---|---|---|---|---|
|
Standard/Password |
Clear |
Clear |
Clear |
N/A |
|
Authentication |
Clear |
Clear |
Encrypted |
MAC |
|
Encryption |
Clear |
Encrypted |
Encrypted |
MAC |
Note: Configuration data includes the entire configuration memory
except for the passwords.
- MAC: Message Authentication Code
