Intel® Stratix® 10 Device Security User Guide

ID 683642
Date 12/15/2021

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Document Table of Contents

5.1. Secure Debug Authorization

To enable Secure Debug Authorization, the debug owner needs to generate an authentication key pair and use the Intel® Quartus® Prime Pro Programmer to generate a device information file for the device that runs the debug image:
quartus_pgm -c 1 -m jtag -o “ei;device_info.txt;1SX280HH1” --dev_info 
The debug owner transfers the generated authenticated public key and device information to the device owner. The device owner uses the quartus_sign tool or the reference implementation to append a conditional public key entry to a signature chain intended for debug operations using the public key from the debug owner, the necessary authorizations, the device information text file, and applicable further restrictions:
quartus_sign --family=Stratix10 --operation=append_key \ 
--previous_pem=debug_chain_private.pem --previous_qky=debug_chain.qky \ 
--permission=0x6 --cancel=1 \ 
--dev_info=device_info.txt --restriction=”1,2,17,18” \  
--input_pem=debug_authorization_public_key.pem secure_debug_auth_chain.qky
The device owner sends the full signature chain back to the debug owner, who uses the signature chain and their private key to sign the debug image:
quartus_sign --family=Stratix10 --operation=sign \ 
--qky=secure_debug_auth_chain.qky --pem=debug_authorization_private_key.pem \
unsigned_debug_design.rbf authorized_debug_design.rbf 
The debug owner can then program the securely authorized debug design:
quartus_pgm -c 1 -m jtag -o “p;authorized_debug_design.rbf” 

The device owner may revoke the secure debug authorization by canceling the explicit key cancellation ID assigned in the secure debug authorization signature chain.