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Added support for collecting all fm11rf08s nT/{nT}/par_err at once

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This commit is contained in:
Philippe Teuwen 2024-09-02 23:11:36 +02:00
commit c73e2ea623
7 changed files with 192 additions and 37 deletions
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45
client/pyscripts/fm11rf08s_recovery.py
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@ -18,6 +18,7 @@ import sys
import time
import subprocess
import argparse
import json
import pm3
# optional color support
try:
@ -101,44 +102,14 @@ if args.init_check:
found_keys[sec][1] = res[4]
print_key(sec, 1, found_keys[sec][1])
nt = [["", ""] for _ in range(NUM_SECTORS)]
nt_enc = [["", ""] for _ in range(NUM_SECTORS)]
par_err = [["", ""] for _ in range(NUM_SECTORS)]
print("Getting nonces...")
for sec in range(NUM_SECTORS):
blk = sec * 4
if found_keys[sec][0] == "" or found_keys[sec][1] == "":
# Even if one key already found, we'll need both nt
for key_type in [0, 1]:
cmd = f"hf mf isen -n1 --blk {blk} -c {key_type+4} --key {BACKDOOR_RF08S}"
p.console(cmd)
cmd += f" --c2 {key_type}"
p.console(cmd)
print("Processing traces...")
for line in p.grabbed_output.split('\n'):
if "nested cmd: 64" in line or "nested cmd: 65" in line:
sec = int(line[24:26], 16)//4
key_type = int(line[21:23], 16) - 0x64
data = line[65:73]
nt[sec][key_type] = data
if "nested cmd: 60" in line or "nested cmd: 61" in line:
sec = int(line[24:26], 16)//4
key_type = int(line[21:23], 16) - 0x60
data = line[108:116]
nt_enc[sec][key_type] = data
data = line[128:136]
par_err[sec][key_type] = data
# Check if we got all nonces, else abort.
# TODO: retry instead...
for sec in range(NUM_SECTORS):
if found_keys[sec][0] == "" or found_keys[sec][1] == "":
for key_type in [0, 1]:
if (nt[sec][key_type] == "" or
nt_enc[sec][key_type] == "" or
par_err[sec][key_type] == ""):
print("Error, could not collect all nonces, try again.")
exit()
cmd = f"hf mf isen --collect_fm11rf08s --key {BACKDOOR_RF08S}"
p.console(cmd)
try:
nt, nt_enc, par_err = json.loads(p.grabbed_output)
except json.decoder.JSONDecodeError:
print("Error getting nonces, abort.")
exit()
if os.path.isfile(DICT_DEF_PATH):
print(f"Loading {DICT_DEF}")