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o ;jI � @ sJ d dl mZmZmZmZmZmZ edd�Zd dd�Zd dd�Z d d � Z dS ) � )�load_pycryptodome_raw_lib�c_size_t�create_string_buffer�get_raw_buffer� c_uint8_ptr�is_writeable_bufferzCryptodome.Util._strxoray void strxor(const uint8_t *in1, const uint8_t *in2, uint8_t *out, size_t len); void strxor_c(const uint8_t *in, uint8_t c, uint8_t *out, size_t len); Nc C s� t | �t |�kr td��|du rtt | ��}n|}t|�s!td��t | �t |�kr1tdt | � ��t�t| �t|�t|�tt | ��� |du rKt |�S dS )a� From two byte strings of equal length, create a third one which is the byte-by-byte XOR of the two. Args: term1 (bytes/bytearray/memoryview): The first byte string to XOR. term2 (bytes/bytearray/memoryview): The second byte string to XOR. output (bytearray/memoryview): The location where the result will be written to. It must have the same length as ``term1`` and ``term2``. If ``None``, the result is returned. :Return: If ``output`` is ``None``, a new byte string with the result. Otherwise ``None``. .. note:: ``term1`` and ``term2`` must have the same length. z.Only byte strings of equal length can be xoredN�4output must be a bytearray or a writeable memoryview�9output must have the same length as the input (%d bytes)) �len� ValueErrorr r � TypeError� _raw_strxor�strxorr r r )�term1�term2�output�result� r �J/opt/saltstack/salt/lib/python3.10/site-packages/Cryptodome/Util/strxor.pyr 0 s& � �r c C s� d| kr dk st d�� t d��|du r tt| ��}n|}t|�s'td��t| �t|�kr7t dt| � ��t�t| �|t|�tt| ��� |du rOt |�S dS )a~ From a byte string, create a second one of equal length where each byte is XOR-red with the same value. Args: term(bytes/bytearray/memoryview): The byte string to XOR. c (int): Every byte in the string will be XOR-ed with this value. It must be between 0 and 255 (included). output (None or bytearray/memoryview): The location where the result will be written to. It must have the same length as ``term``. If ``None``, the result is returned. Return: If ``output`` is ``None``, a new ``bytes`` string with the result. Otherwise ``None``. r � zc must be in range(256)Nr r ) r r r r r r �strxor_cr r r )Zterm�cr r r r r r ` s* �� �r c C s t �| ||tt| ��� dS )z!Very fast XOR - check conditions!N)r r r r )r r r r r r �_strxor_direct� s r )N) ZCryptodome.Util._raw_apir r r r r r r r r r r r r r �<module> s � 0 0
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