349   def __init__(self, key_path):  argument
368     args = ['openssl', 'rsa', '-in', key_path, '-modulus', '-noout']
393     self.key_path = key_path
468                               self.key_path, signing_file.name])
477             [signing_helper, algorithm_name, self.key_path],
483             ['openssl', 'rsautl', '-sign', '-inkey', self.key_path, '-raw'],
2485   def verify_image(self, image_filename, key_path, expected_chain_partitions,  argument
2521     if key_path:
2523                                                         key_path))
2524       key_blob = RSAPublicKey(key_path).encode()
2583         self.verify_image(chained_image_filename, key_path, None, False,
2895                         key_path, public_key_metadata_path, rollback_index,  argument
2955         algorithm_name, key_path, public_key_metadata_path, descriptors,
2972   def _generate_vbmeta_blob(self, algorithm_name, key_path,  argument
3146       if not key_path:
3149       encoded_key = RSAPublicKey(key_path).encode()
3210       rsa_key = RSAPublicKey(key_path)
3224   def extract_public_key(self, key_path, output):  argument
3234     output.write(RSAPublicKey(key_path).encode())
3320                       key_path,  argument
3463           algorithm_name, key_path, public_key_metadata_path, [h_desc],
3522                           key_path,  argument
3751           algorithm_name, key_path, public_key_metadata_path, [ht_desc],