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fm11rf08s_recovery: add support for supply-chain

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This commit is contained in:
Philippe Teuwen 2024-10-23 00:10:22 +02:00
commit 5ff157cb4c
1 changed files with 50 additions and 7 deletions
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57
client/pyscripts/fm11rf08s_recovery.py
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@ -191,6 +191,25 @@ if os.path.isfile(DICT_DEF_PATH):
else:
print(f"Warning, {DICT_DEF} not found.")
dict_dnwd = None
def_nt = [["", ""] for _ in range(NUM_SECTORS + NUM_EXTRA_SECTORS)]
try:
default_nonces_with_data = f'{save_path}hf-mf-{uid:04X}-default_nonces_with_data.json'
with open(default_nonces_with_data, 'r') as file:
# Load and parse the JSON data
dict_dnwd = json.load(file)
for sec in range(NUM_SECTORS + NUM_EXTRA_SECTORS):
real_sec = sec
if sec >= NUM_SECTORS:
real_sec += 16
def_nt[sec][0] = dict_dnwd["nt"][f"{real_sec}"]["a"].lower()
def_nt[sec][1] = dict_dnwd["nt"][f"{real_sec}"]["b"].lower()
print(f"Loaded default nonces from {default_nonces_with_data}.")
except FileNotFoundError:
pass
except json.decoder.JSONDecodeError:
print(f"Error parsing {default_nonces_with_data}, skipping.")
print("Running staticnested_1nt & 2x1nt when doable...")
keys = [[set(), set()] for _ in range(NUM_SECTORS + NUM_EXTRA_SECTORS)]
all_keys = set()
@ -225,9 +244,21 @@ for sec in range(NUM_SECTORS + NUM_EXTRA_SECTORS):
keys[sec][key_type] = keys_set.copy()
duplicates.update(all_keys.intersection(keys_set))
all_keys.update(keys_set)
# Prioritize default keys
keys_def_set = DEFAULT_KEYS.intersection(keys_set)
keys_set.difference_update(DEFAULT_KEYS)
if dict_dnwd is not None and sec < NUM_SECTORS:
# Prioritize keys from supply-chain attack
cmd = [tools["staticnested_2x1nt1key"], def_nt[sec][key_type], "FFFFFFFFFFFF", f"keys_{uid:08x}_{real_sec:02}_{nt[sec][key_type]}_filtered.dic"]
if args.debug:
print(' '.join(cmd))
result = subprocess.run(cmd, capture_output=True, text=True).stdout
keys_def_set = set()
for line in result.split('\n'):
if "MATCH:" in line:
keys_def_set.add(line[12:])
keys_set.difference_update(keys_def_set)
else:
# Prioritize default keys
keys_def_set = DEFAULT_KEYS.intersection(keys_set)
keys_set.difference_update(keys_def_set)
# Prioritize sector 32 keyB starting with 0000
if real_sec == 32:
keyb32cands = set(x for x in keys_set if x.startswith("0000"))
@ -257,9 +288,21 @@ for sec in range(NUM_SECTORS + NUM_EXTRA_SECTORS):
keys[sec][key_type] = keys_set.copy()
duplicates.update(all_keys.intersection(keys_set))
all_keys.update(keys_set)
# Prioritize default keys
keys_def_set = DEFAULT_KEYS.intersection(keys_set)
keys_set.difference_update(DEFAULT_KEYS)
if dict_dnwd is not None and sec < NUM_SECTORS:
# Prioritize keys from supply-chain attack
cmd = [tools["staticnested_2x1nt1key"], def_nt[sec][key_type], "FFFFFFFFFFFF", f"keys_{uid:08x}_{real_sec:02}_{nt[sec][key_type]}.dic"]
if args.debug:
print(' '.join(cmd))
result = subprocess.run(cmd, capture_output=True, text=True).stdout
keys_def_set = set()
for line in result.split('\n'):
if "MATCH:" in line:
keys_def_set.add(line[12:])
keys_set.difference_update(keys_def_set)
else:
# Prioritize default keys
keys_def_set = DEFAULT_KEYS.intersection(keys_set)
keys_set.difference_update(keys_def_set)
if len(keys_def_set) > 0:
found_default[sec][key_type] = True
with (open(f"keys_{uid:08x}_{real_sec:02}_{nt[sec][key_type]}.dic", "w")) as f:
@ -484,6 +527,7 @@ if abort:
print("Brute-forcing phase aborted via keyboard!")
args.final_check = False
plus = "[" + color("+", fg="green") + "] "
if args.final_check:
print("Letting fchk do a final dump, just for confirmation and display...")
keys_set = set([i for sl in found_keys for i in sl if i != ""])
@ -495,7 +539,6 @@ if args.final_check:
print(cmd)
p.console(cmd, passthru=True)
else:
plus = "[" + color("+", fg="green") + "] "
print()
print(plus + color("found keys:", fg="green"))
print()