Lines Matching refs:cipher

134     cipher = Cipher(algorithms.AES(key), modes.ECB(), backend=backend)
135     encryptor = cipher.encryptor()
1251     cipher = None
1267         if block_offs % 32 == 0 or cipher is None:
1272             if cipher is None:  # first pass
1273                 cipher = Cipher(algorithms.AES(block_key), modes.ECB(), backend=backend)
1278                 actor = cipher.encryptor() if do_decrypt else cipher.decryptor()
1300                     cipher.algorithm.key = block_key
1301                     actor = cipher.encryptor() if do_decrypt else cipher.decryptor()
1363         cipher = Cipher(algorithms.AES(key), modes.XTS(tweak), backend=backend)
1364         encryptor = cipher.decryptor() if do_decrypt else cipher.encryptor()