Custom Certificates#

CPMS allows you to customize the device identity certificate chain. The certificates use the X.509 format and must conform to RFC-3280. For an example of a Silicon Labs device certificate, refer to Section 3.1 of AN1268. Currently, CPMS supports customization of four fields in the device certificate:

  1. Common name: User-defined, 30-character name that will terminate with the 64-bit EUI of the device (example is "EUI:xxxxxxxxxxxxxxxx" and will terminate with " S:SE0 ID:MCU" or " S:FL0 ID:MCU" depending on if the device is a Secure Vault High device or not.)

  2. Organization: User-defined, 64-character company name

  3. Country: Must be a legitimate country code letter pair (e.g., US)

  4. Organizational Unit: User-defined field of up to 64 characters

If there are other certificate customizations you would like to implement, specify them in the Special Instructions section in the CPMS.

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