Encrypted rbf loading on Stratix IV

Altera_Forum · ‎04-23-2014

Hi,

I have a Stratix IV on a a Terasic TR4 development kit.

I'm trying to load an encrypted bitstream on the stratix IV.

I'm already able to load an encrypted bitstream using FPP in Quartus II:

- program the stratix IV with a Parallel Flash loader

- load the pof directly in the flash

- program the key .ekp

Then at reset, the bitstream is decrypted and programs the Stratix IV.

But it has 2 main drawbacks : It's very slow and I want to have a command line solution (preferably with a .rbf file)

Would you have a better solution ? Is a direct loading from USB blaster possible ?

Do you know the related command line ?

Thanks for your help

Altera_Forum · ‎04-24-2014

Hi again :)

I've tried to use the Passive Serial loading using the mblaster tool.

This seems to allow the loading of an encrypted bistream. I put the MSEL1 to 1 on the board, the cable is well detected by the software. At the end of the loading (on , the tool says the configuration is loaded successfully but the configuration does not run on the fpga ... any clue ?

I have another question:

- even if it's very slow, I dit use the PFL loading http://www.altera.com/literature/an/an478.pdf which works

I'd like to script it but I'm not able to find how to "attach a flash device" with a pof file in quartus_pgm

Where could I find the way to do that ?

Thanks

Altera_Forum · ‎04-27-2014

I did read altera documentation and it seems to be possible to load encrypted design in Passive serial mode (AN556).

But I can't find how to do that using my TR4 board !

Is it possible ?

Should I use the USB Blaster ?

How could I do that ?

Thanks