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d�d�ZdS)�N��getrandbits)�SoSMapcCsdd�|D�S)a�Generate a random set of hextets, based on the length of the source
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    :param hextets:     The extracted hextets from a source address
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SoSIPv6MapatMapping for IPv6 addresses and networks.

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dd�Zdd�ZdS)r7a�An abstraction class that represents a network that is (to be) handled
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    This class should be built from an ``ipaddress.IPv6Network`` object. If
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        :param addr:        The *un*obfuscated network to be handled
        :type addr:         ``ipaddress.IPv6Network``

        :param obfuscation: An optional pre-determined string representation of
                            the obfuscated network address
        :type obfuscation:  ``str``

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rr�sz&ObfuscatedIPv6Network.original_addresscCs4|jjr|��S|jjr|jS|jjr|��S|jS)z�Generate the obfuscated pair for the network address. This is
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aGlobal unicast addresses have a 48-bit global routing prefix and a
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The first 8 bits will always be 'fd', the next 40 bits are meant
        to be a global ID, followed by 16 bits for the subnet. To keep things
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z0ObfuscatedIPv6Network._obfuscate_private_addresscs��fdd�}|j�jvr;�j�d�}|jt|�d��d�}||�}|�j��vr4||�}|�j��vs)��|j|��j|jS)a�Given an unobfuscated address, generate an obfuscated match for it,
        and save it to this network for tracking during the execution of clean.

        Note: another way to do this would be to convert the obfuscated network
        to bytes, and add a random amount to that based on the number of
        addresses that the network can support and from that new bytes count
        craft a new IPv6 address. This has the advantage of absolutely
        guaranteeing the new address is within the network space (whereas the
        method employed below could *theoretically* generate an overlapping
        address), but would in turn remove any ability to compress obfuscated
        addresses to match the general format/syntax of the address it is
        replacing. For the moment, it is assumed that being able to maintain a
        quick mental note of "unobfuscated device ff00::1 is obfuscated device
        53ad::a1b2" is more desireable than "ff00::1 is now obfuscated as
        53ad::1234:abcd:9876:a1b2:".

        :param addr:        The unobfuscated IPv6 address
        :type addr:         ``ipaddress.IPv6Address``

        :returns:           An obfuscated address within this network
        :rtype:             ``str``
        c	s d��jd�t|�d���g�S)NrrW)rarIrr+)r%rPr
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rPrr/�s�z,ObfuscatedIPv6Network.obfuscate_host_addresscCs||j|<dS)zjAdds an obfuscated pair to the class for tracking and ongoing
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