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Visitor jcon
Visitor
276 Views
Registered: ‎10-03-2019

.nky key file not getting generated with Vivado 2018.2

I have applied the following constraints:
set_property BITSTREAM.ENCRYPTION.ENCRYPT YES [current_design]
set_property BITSTREAM.ENCRYPTION.ENCRYPTKEYSELECT BBRAM [current_design]
set_property BITSTREAM.ENCRYPTION.KEY0 256'hxxxxxxxxxxxxxx [current_design]
set_property BITSTREAM.ENCRYPTION.STARTIV0 32'hyyyyyyyy [current_design]

After running the "write_bitstream" command, I observed that the .nky file is not getting generated.
This issue is only observed after moving to vivado2018.2
With the same constraints mentioned above, there were no such issues in 2016.2 and 2017.3 versions.

What is the reason for this?

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2 Replies
Xilinx Employee
Xilinx Employee
200 Views
Registered: ‎07-16-2019

Re: .nky key file not getting generated with Vivado 2018.2

Hi,

To work around this issue, create the .nky file manually, or using another tool. This issue has been fixed in Vivado 2018.3 and the correct second.nky file is generated.

Check out this AR for more information:

https://www.xilinx.com/support/answers/72420.html

 

Thanks,

Ebrahim

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Visitor jcon
Visitor
134 Views
Registered: ‎10-03-2019

Re: .nky key file not getting generated with Vivado 2018.2

Hi,

I tried the same with vivado 2018.3, but its still not generating the .nky keyfile.
Based on your reply, which other tool are you suggesting that I use?

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