IEEE-1735-2014 V2 compliance level is specified by the
version pragma, as follows:
`protect version = 2
Tip: Version 1 (V1) of IEEE-1735 -2014 is supported by AMD under an early access program. Improper use of V1 can inadvertently expose your design. Contact your local sales office or Applications Engineer for more information.
The encryption tool might add some optional pragmas to identify itself, as follows:
'protect encrypt_agent = "XILINX" 'protect encrypt_agent_info = "Xilinx Encryption Tool 2022"