Edit File: CAST.cpython-311.pyc
� ������Fh�����������������������������d�Z�ddlZddlmZ�ddlmZ�ddlmZmZm Z m Z mZ��edd������������Zd��Z d ��Zd ZdZdZd ZdZdZdZdZ�ed d������������ZdS�)a��� Module's constants for the modes of operation supported with CAST: :var MODE_ECB: :ref:`Electronic Code Book (ECB) <ecb_mode>` :var MODE_CBC: :ref:`Cipher-Block Chaining (CBC) <cbc_mode>` :var MODE_CFB: :ref:`Cipher FeedBack (CFB) <cfb_mode>` :var MODE_OFB: :ref:`Output FeedBack (OFB) <ofb_mode>` :var MODE_CTR: :ref:`CounTer Mode (CTR) <ctr_mode>` :var MODE_OPENPGP: :ref:`OpenPGP Mode <openpgp_mode>` :var MODE_EAX: :ref:`EAX Mode <eax_mode>` �����N)�_create_cipher)�byte_string)�load_pycryptodome_raw_lib�VoidPointer�SmartPointer�c_size_t�c_uint8_ptrzCrypto.Cipher._raw_casta��� int CAST_start_operation(const uint8_t key[], size_t key_len, void **pResult); int CAST_encrypt(const void *state, const uint8_t *in, uint8_t *out, size_t data_len); int CAST_decrypt(const void *state, const uint8_t *in, uint8_t *out, size_t data_len); int CAST_stop_operation(void *state); c���������������������� �|�����������������������d������������}n#�t����������$�r�t����������d�������������w�xY�wt����������|������������t����������vrt����������dt����������|������������z���������������t����������j��������}t����������j��������}t������������������������}�|t����������|������������t����������t����������|������������������������|�����������������������������������������������}|rt����������d|z���������������t����������|�����������������������������������|������������S�)z}This method instantiates and returns a handle to a low-level base cipher. It will absorb named parameters in the process.�keyzMissing 'key' parameterz$Incorrect CAST key length (%d bytes)z,Error %X while instantiating the CAST cipher)�pop�KeyError� TypeError�len�key_size� ValueError� _raw_cast_lib�CAST_start_operation�CAST_stop_operationr���r ���r���� address_ofr����get)�dict_parametersr����start_operation�stop_operation�cipher�results��� �t/builddir/build/BUILD/imunify360-venv-2.5.3/opt/imunify360/venv/lib64/python3.11/site-packages/Crypto/Cipher/CAST.py�_create_base_cipherr���<���s�����3��!�!�%�(�(������3��3��3��1�2�2�2�3������3�x�x�x����?�#�c�(�(�J�K�K�K�#�8�O�"�6�N� �]�]�F� �_�[��-�-�%�c�#�h�h�/�/�#�.�.�0�0�2��2�F����#��G�!�"��#��#�� #���� � ���n�5�5�5s������2c������������������P�����t����������t����������j��������t�������������������|�|g|�R�i�|��S�)a���Create a new CAST cipher :param key: The secret key to use in the symmetric cipher. Its length can vary from 5 to 16 bytes. :type key: bytes, bytearray, memoryview :param mode: The chaining mode to use for encryption or decryption. :type mode: One of the supported ``MODE_*`` constants :Keyword Arguments: * **iv** (*bytes*, *bytearray*, *memoryview*) -- (Only applicable for ``MODE_CBC``, ``MODE_CFB``, ``MODE_OFB``, and ``MODE_OPENPGP`` modes). The initialization vector to use for encryption or decryption. For ``MODE_CBC``, ``MODE_CFB``, and ``MODE_OFB`` it must be 8 bytes long. For ``MODE_OPENPGP`` mode only, it must be 8 bytes long for encryption and 10 bytes for decryption (in the latter case, it is actually the *encrypted* IV which was prefixed to the ciphertext). If not provided, a random byte string is generated (you must then read its value with the :attr:`iv` attribute). * **nonce** (*bytes*, *bytearray*, *memoryview*) -- (Only applicable for ``MODE_EAX`` and ``MODE_CTR``). A value that must never be reused for any other encryption done with this key. For ``MODE_EAX`` there are no restrictions on its length (recommended: **16** bytes). For ``MODE_CTR``, its length must be in the range **[0..7]**. If not provided for ``MODE_EAX``, a random byte string is generated (you can read it back via the ``nonce`` attribute). * **segment_size** (*integer*) -- (Only ``MODE_CFB``).The number of **bits** the plaintext and ciphertext are segmented in. It must be a multiple of 8. If not specified, it will be assumed to be 8. * **mac_len** : (*integer*) -- (Only ``MODE_EAX``) Length of the authentication tag, in bytes. It must be no longer than 8 (default). * **initial_value** : (*integer*) -- (Only ``MODE_CTR``). The initial value for the counter within the counter block. By default it is **0**. :Return: a CAST object, of the applicable mode. )r����sys�modules�__name__)r����mode�args�kwargss��� r����newr%���V���s.������x��#�+�h�/��d�L�T�L�L�L�V�L�L�L������������������������������ �����������)�__doc__r���� Crypto.Cipherr����Crypto.Util.py3compatr����Crypto.Util._raw_apir���r���r���r���r ���r���r���r%����MODE_ECB�MODE_CBC�MODE_CFB�MODE_OFB�MODE_CTR�MODE_OPENPGP�MODE_EAX� block_size�ranger�����r&���r����<module>r>������s����, �� ��� � � ��(��(��(��(��(��(��-��-��-��-��-��-�9��9��9��9��9��9��9��9��9��9��9��9��9��9��*�)�-� ���� �$6��6��6�4<M��<M��<M�|� ���������������� ��5��F�����r&���