ATECC608A datasheet(17/81 Pages) MICROCHIP

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Table 2-17. Slot 11 Configuration Information

Slot

Configuration Value

Description of Enabled Features

Key:

Multicast Application Session Key

• Slot contains 128-bit AES session key

• Writes by KDF command are permitted

Slot:

• Writes are always permitted

• Contents of this slot are secret

• Reads from this slot are encrypted using the key stored in Slot 14

Valid commands

• Write - Clear Text

• KDF - AES Mode

• Encrypted Read

• AES

Table 2-18. Slot 12 Configuration Information

Slot

Configuration Value

Description of Enabled Features

Key:

Multicast Network Session Key

• Slot contains 128-bit AES session key

• Writes by KDF command are permitted

Slot:

• Writes are always permitted

• Contents of this slot are secret

• Reads from this slot are encrypted using the key stored in Slot 14

Valid commands

• Write - Clear Text

• KDF - AES Mode

• Encrypted Read

• AES

Table 2-19. Slot 13 Configuration Information

Slot

Configuration Value

Description of Enabled Features

Key:

Repersonalization Key

• Slot contains a SHA256 key

Slot:

• Slot may be written with an encrypted write back to itself

• Data stored in slot is secret and reads are prohibited

• Key cannot be used with the MAC command.

Valid commands

• Encrypted Write

• CheckMac

• GenDig

ATECC608A-TNGLoRaWAN

EEPROM Memory and Data Zone Access Policies

Complete Datasheet

DS40002154B-page 17

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