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__init__.cpython-39.pyc
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_compat.cpython-39.pyc
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common.cpython-39.pyc
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core.cpython-39.pyc
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key.cpython-39.pyc
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machine_size.cpython-39.pyc
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pem.cpython-39.pyc
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pkcs1.cpython-39.pyc
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prime.cpython-39.pyc
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randnum.cpython-39.pyc
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transform.cpython-39.pyc
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Editing: randnum.cpython-39.pyc
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a �'k`S � @ sL d Z ddlZddlmZmZ ddlmZ dd� Zdd� Zd d � Z d d � Z dS ) z(Functions for generating random numbers.� N)�common� transform)�bytec C sJ t | d�\}}t�|�}|dkrFtt�d��}|d| L }t|�| }|S )z�Reads 'nbits' random bits. If nbits isn't a whole number of bytes, an extra byte will be appended with only the lower bits set. � r � )�divmod�os�urandom�ordr )�nbits�nbytesZrbits� randomdataZ randomvalue� r �*/opt/gsutil/third_party/rsa/rsa/randnum.py�read_random_bits s r c C s& t | �}t�|�}|d| d > O }|S )z8Reads a random integer of approximately nbits bits. r )r r Z bytes2int)r r �valuer r r �read_random_int0 s r c C s t | �}|dB S )zhReads a random odd integer of approximately nbits bits. >>> read_random_odd_int(512) & 1 1 r )r )r r r r r �read_random_odd_int> s r c C sF t �| �}d}t|�}|| kr qB|d dkr8|r8|d8 }|d7 }q|S )z�Returns a random integer x with 1 <= x <= maxvalue May take a very long time in specific situations. If maxvalue needs N bits to store, the closer maxvalue is to (2 ** N) - 1, the faster this function is. r � r )r �bit_sizer )Zmaxvaluer �triesr r r r �randintK s r ) �__doc__r �rsar r � rsa._compatr r r r r r r r r �<module> s