3.2.3 ECC608-TFLXWPC Slot Configuration Summary

The ECC608-TFLXWPC 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-TFLXWPC:

Table 3-5. Slots Configuration
Slot	Use Case	Description	Primary Configuration
0	WPC Slot 0 authentication	WPC Slot 0 primary ECC authentication key	Permanent, Ext Sign, Not Readable, Optional Secure Boot Enable
1¹	WPC Slot 1 authentication	WPC Slot 1 primary ECC authentication key	Permanent, Ext Sign, Not Readable, Optional Secure Boot Enable
2	TLS authentication	Primary TLS ECC authentication key	Permanent, Ext Sign, ECDH, Not Readable, Optional Secure Boot Enable
3	WPC Slot 0 authentication	WPC Slot 0 certificate chain digest	Permanent or Writable and Slot Lockable, Clear Text Read depending on access policies
4	WPC Slot 0 authentication	WPC Slot 0 extra information	Permanent or Writable and Slot Lockable, Clear Text Read depending on access policies
5	WPC Slot 0 authentication	WPC Slot 0 extra information	Permanent or Writable and Slot Lockable, Clear Text Read depending on access policies
6	I/O protection key	Key used to protect the I²C bus communication (I/O) of certain commands. Requires setup before use.	Permanent or Writable and Slot Lockable, Never Read depending on access policies
7	Secure Boot	Storage location for secure boot digest. This is an internal function, so no reads or writes are enabled.	No Read, No Write
8²	WPC Slot 1 authentication	Storage of WPC Slot 1 information public key, certificate and slot digest	Clear Text Read, Writable or Lockable depending on access policies
9	WPC Slot 0 authentication	WPC Slot 0 manufacturer public key	Permanent, Clear Read, No Write or Writable depending on access policies
10	TLS authentication	TLS device compressed certificate in CryptoAuthentication™ compressed format	Permanent, Clear Read, No Write or Writable depending on access policies
11	TLS authentication	TLS public key for the CA (signer) that signed the device certificate	Clear Read, No Write or Writable depending on access policies
12	TLS authentication	TLS certificate for the CA (signer) certificate for the device certificate in the CryptoAuthentication™ compressed format	Clear Read, No Write or Writable depending on access policies
13	WPC Slot 0 authentication	WPC Slot 0 compressed device certificate	Permanent, Clear Read, No Write or Writable depending on access policies
14	WPC Slot 0 authentication	WPC Slot 0 compressed manufacturer certificate	Permanent, Clear Read, No Write or Writable depending on access policies
15	Secure Boot	Secure boot public key	Permanent or Writable and Lockable with Clear Text Read

Note:

This slot is always reserved for an ECC private key. If WPC Slot 1 is not required, it may alternately contain a private key for use with WPC Slot 2 or some other purpose.
If WPC Slot 1 is not used in the application, this slot may be used for the WPC Slot 2 or 3 information. It is recommended that this slot be locked if it is used for public key or certificate information. If no other WPC slots are required, this slot may be used to store general purpose data.