An IAP image contains the image descriptor, bitstream, and optional design initialization data. The design programming services are used to authenticate entire IAP image, bitstream portion, or program the device. The following table lists all the Design Programming system services with their command values, description, and return status code.
| System Service Name | SERVICECMD in Hexadecimal | Description | Return Status Code |
|---|---|---|---|
| Bitstream Authentication Service | 23 | Analyzes a bitstream image stored in SPI Flash and checks for all conditions, which may result in an authentication error. |
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| IAP Image Authentication Service | 22 | Allows the user to validate an IAP image stored in SPI flash. |