Yes, and need to use the relevant key file while flashing the fused device.
See NVIDIA Jetson Linux Driver Package Software Features : Security | NVIDIA Docs
And
| -u <PKC_key_file> | Pathname of a file containing the PKC key used for an ODM fused board. |
|---|---|
| -v <SBK_key_file> | Pathname of a file containing the Secure Boot Key (SBK) used for an ODM fused board. |