def test_import_public_der(self):
key_file = load_file("ecc_p521_public.der")
key = ECC._import_subjectPublicKeyInfo(key_file)
self.assertEqual(self.ref_public, key)
key = ECC._import_der(key_file, None)
self.assertEqual(self.ref_public, key)
key = ECC.import_key(key_file)
self.assertEqual(self.ref_public, key)
def test_import_public_der(self):
key_file = load_file("ecc_p521_public.der")
key = ECC._import_subjectPublicKeyInfo(key_file)
self.assertEqual(self.ref_public, key)
key = ECC._import_der(key_file, None)
self.assertEqual(self.ref_public, key)
key = ECC.import_key(key_file)
self.assertEqual(self.ref_public, key)
parser = argparse.ArgumentParser()
parser.add_argument('--rawfile', type=pathlib.Path, required=True)
parser.add_argument('--outfile', type=pathlib.Path, default=None)
parser.add_argument('--hdrfile', type=pathlib.Path, default=None)
parser.add_argument('--outdir', type=pathlib.Path, default='extract')
args = parser.parse_args()
ec_privkey = match_key(args.hdrfile)
with args.rawfile.open('rb') as fd_in:
print(f"[+] loading {args.rawfile}")
point = fd_in.read(0x200)
try:
ec_pub = ECC._import_subjectPublicKeyInfo(point.rstrip(b'\x00'))
dump_ec_key(ec_pub, 'pub')
except Exception as e:
print("[x] failed to load public key from envelope header")
print(e)
sys.exit()
try:
print(f"[+] using private key:\n{ec_privkey}\n")
ec_priv = ECC.import_key(ec_privkey)
dump_ec_key(ec_priv, 'priv')
except ValueError as e:
print("[x] failed to load private key")
print(e)
sys.exit()
