350   def __init__(self, key_path):  argument
369     args = ['openssl', 'rsa', '-in', key_path, '-modulus', '-noout']
394     self.key_path = key_path
469                               self.key_path, signing_file.name])
478             [signing_helper, algorithm_name, self.key_path],
484             ['openssl', 'rsautl', '-sign', '-inkey', self.key_path, '-raw'],
2490   def verify_image(self, image_filename, key_path, expected_chain_partitions,  argument
2526     if key_path:
2528                                                         key_path))
2529       key_blob = RSAPublicKey(key_path).encode()
2588         self.verify_image(chained_image_filename, key_path, None, False,
2908                         key_path, public_key_metadata_path, rollback_index,  argument
2968         algorithm_name, key_path, public_key_metadata_path, descriptors,
2985   def _generate_vbmeta_blob(self, algorithm_name, key_path,  argument
3160       if not key_path:
3163       encoded_key = RSAPublicKey(key_path).encode()
3224       rsa_key = RSAPublicKey(key_path)
3238   def extract_public_key(self, key_path, output):  argument
3248     output.write(RSAPublicKey(key_path).encode())
3335                       key_path,  argument
3491           algorithm_name, key_path, public_key_metadata_path, [h_desc],
3550                           key_path,  argument
3783           algorithm_name, key_path, public_key_metadata_path, [ht_desc],