def test_invalid_key_size(data_dir):
"""Test Invalid Key size for ROTKH computation"""
cfpa = CMPA("lpc55s6x")
keys_path = [
data_dir + "/ec_secp384r1_cert0.pem",
data_dir + "/ec_secp384r1_cert1.pem",
data_dir + "/ec_secp384r1_cert2.pem",
data_dir + "/ec_secp384r1_cert3.pem",
]
with pytest.raises(SPSDKPfrError):
cfpa.export(keys=extract_public_keys(keys_path, password=None))
def test_generate_cmpa(data_dir):
"""Test PFR tool - Generating CMPA binary."""
binary = load_file(data_dir, "CMPA_96MHz.bin", mode="rb")
key = load_pem_private_key(
load_file(data_dir, "selfsign_privatekey_rsa2048.pem", mode="rb"),
password=None,
backend=default_backend(),
)
pfr_cfg_json = PfrConfiguration(os.path.join(data_dir, "cmpa_96mhz.json"))
cmpa_json = CMPA("lpc55s6x", user_config=pfr_cfg_json)
assert binary == cmpa_json.export(add_seal=False, keys=[key.public_key()])
pfr_cfg_yml = PfrConfiguration(os.path.join(data_dir, "cmpa_96mhz.yml"))
cmpa_yml = CMPA("lpc55s6x", user_config=pfr_cfg_yml)
assert binary == cmpa_yml.export(add_seal=False, keys=[key.public_key()])
def test_generate_cmpa(data_dir):
config = json.loads(load_file(data_dir, 'cmpa_96mhz.json'))
binary = load_file(data_dir, 'CMPA_96MHz.bin', mode='rb')
key = load_pem_private_key(load_file(data_dir,
'selfsign_privatekey_rsa2048.pem',
mode='rb'),
password=None,
backend=default_backend())
cmpa = CMPA('lpc55s6x',
keys=[key.public_key()],
user_config=config['settings'])
assert binary == cmpa.export(add_seal=False, compute_inverses=True)
def test_lpc55s3x_binary_ec384(data_dir):
"""Test silicon LPC55S3x ECC384. Binary generation/ROTKH computation"""
cfpa = CMPA("lpc55s3x")
keys_path = [
data_dir + "/ec_secp384r1_cert0.pem",
data_dir + "/ec_secp384r1_cert1.pem",
data_dir + "/ec_secp384r1_cert2.pem",
data_dir + "/ec_secp384r1_cert3.pem",
]
data = cfpa.export(keys=extract_public_keys(keys_path, password=None))
assert len(data) == 512
with open(data_dir + "/lpc55s3x_CMPA_384.bin", "rb") as binary:
assert data == binary.read()
def test_basic_cmpa():
cmpa = CMPA('lpc55s6x')
with pytest.raises(AssertionError):
cmpa.export()
