From a536cd6a500ee34aed97ac7be7cc9b5b14ab50bd Mon Sep 17 00:00:00 2001 From: Pascal Nasahl Date: Thu, 6 Jun 2024 11:22:55 +0200 Subject: [PATCH] [fi] Update OTBN Key Sideload handler This PR updates the OTBN Key Sideload hander to refect changes in the repo. Signed-off-by: Pascal Nasahl --- fault_injection/fi_otbn.py | 8 ++++---- target/communication/fi_otbn_commands.py | 8 +------- 2 files changed, 5 insertions(+), 11 deletions(-) diff --git a/fault_injection/fi_otbn.py b/fault_injection/fi_otbn.py index 8c907cc9..47449514 100755 --- a/fault_injection/fi_otbn.py +++ b/fault_injection/fi_otbn.py @@ -101,10 +101,10 @@ def fi_parameter_sweep(cfg: dict, target: Target, fi_gear, Returns: device_id: The ID of the target device. """ - # Setup key manager if needed by test. - ot_communication.init_keymgr(cfg["test"]["which_test"]) # Configure the OTBN FI code on the target. device_id = ot_communication.init() + # Setup key manager if needed by test. + ot_communication.init_keymgr(cfg["test"]["which_test"]) # Store results in array for a quick access. fi_results = [] # Start the parameter sweep. @@ -132,10 +132,10 @@ def fi_parameter_sweep(cfg: dict, target: Target, fi_gear, ot_communication = target.reset_target(com_reset = True) # Re-establish UART connection. ot_communication = OTFIOtbn(target) - # Setup key manager if needed by test. - ot_communication.init_keymgr(cfg["test"]["which_test"]) # Configure the OTBN FI code on the target. ot_communication.init() + # Setup key manager if needed by test. + ot_communication.init_keymgr(cfg["test"]["which_test"]) # Reset FIGear if necessary. fi_gear.reset() else: diff --git a/target/communication/fi_otbn_commands.py b/target/communication/fi_otbn_commands.py index 371c2b35..fdf22c54 100644 --- a/target/communication/fi_otbn_commands.py +++ b/target/communication/fi_otbn_commands.py @@ -84,13 +84,7 @@ def init_keymgr(self, test: str) -> None: # InitTrigger command. time.sleep(0.01) self.target.write(json.dumps("InitKeyMgr").encode("ascii")) - # As the init resets the chip, we need to call it again to complete - # the initialization of the key manager. - time.sleep(2) - self._ujson_otbn_fi_cmd() - time.sleep(0.01) - self.target.write(json.dumps("InitKeyMgr").encode("ascii")) - time.sleep(2) + time.sleep(0.5) def init(self) -> None: """ Initialize the OTBN FI code on the chip.