OwlCyberSecurity - MANAGER
Edit File: randbytes.pyc
� `��ac @` s� d Z d d l m Z m Z d d l Z d d l Z d d l Z d d l Z d d l m Z e e d d � Z e r� e j Z n d � Z d e f d � � YZ d e f d � � YZ d e f d � � YZ e � Z e j Z e j Z [ d d d g Z d S( sQ Cryptographically secure random implementation, with fallback on normal random. i ( t divisiont absolute_importN( t _PY3t getrandbitsc C` s | j d � S( Nt hex( t decode( t hexBytes( ( s[ /opt/cpanel-ccs/.develop/virtualenv/lib/python2.7/site-packages/twisted/python/randbytes.pyt _fromhex s t SecureRandomNotAvailablec B` s e Z d Z RS( sD Exception raised when no secure random algorithm is found. ( t __name__t __module__t __doc__( ( ( s[ /opt/cpanel-ccs/.develop/virtualenv/lib/python2.7/site-packages/twisted/python/randbytes.pyR s t SourceNotAvailablec B` s e Z d Z RS( sQ Internal exception used when a specific random source is not available. ( R R R ( ( ( s[ /opt/cpanel-ccs/.develop/virtualenv/lib/python2.7/site-packages/twisted/python/randbytes.pyR s t RandomFactoryc B` s} e Z d Z d Z e Z d � Z e d � Z d � Z e rQ e j Z d � Z n e j Z d � Z e d d � Z d � Z RS( s� Factory providing L{secureRandom} and L{insecureRandom} methods. You shouldn't have to instantiate this class, use the module level functions instead: it is an implementation detail and could be removed or changed arbitrarily. c C` s= y t j | � SWn% t t f k r8 } t | � � n Xd S( sO Wrapper around C{os.urandom} that cleanly manage its absence. N( t ost urandomt AttributeErrort NotImplementedErrorR ( t selft nbytest e( ( s[ /opt/cpanel-ccs/.develop/virtualenv/lib/python2.7/site-packages/twisted/python/randbytes.pyt _osUrandom5 s c C` sa y | j | � SWn t k r$ n X| rQ t j d d t d d �| j | � St d � � d S( sk Return a number of secure random bytes. @param nbytes: number of bytes to generate. @type nbytes: C{int} @param fallback: Whether the function should fallback on non-secure random or not. Default to C{False}. @type fallback: C{bool} @return: a string of random bytes. @rtype: C{str} sP urandom unavailable - proceeding with non-cryptographically secure random sourcet categoryt stackleveli s! No secure random source availableN( R R t warningst warnt RuntimeWarningt insecureRandomR ( R R t fallback( ( s[ /opt/cpanel-ccs/.develop/virtualenv/lib/python2.7/site-packages/twisted/python/randbytes.pyt secureRandom? s c C` sN | j d k r> | j | d � } d | d | } t | � St d � � d S( s3 Wrapper around C{os.getrandbits}. i s %%0%dxi s# random.getrandbits is not availableN( R t NoneR R ( R R t nR ( ( s[ /opt/cpanel-ccs/.develop/virtualenv/lib/python2.7/site-packages/twisted/python/randbytes.pyt _randBits\ s c C` s; d j g t | � D]! } t t j | j � g � ^ q � S( s> Wrapper around the C{random} module. t ( t joint ranget bytest randomt choicet _BYTES( R R t i( ( s[ /opt/cpanel-ccs/.develop/virtualenv/lib/python2.7/site-packages/twisted/python/randbytes.pyt _randModulei s c C` s2 d j g t | � D] } t j | j � ^ q � S( s> Wrapper around the C{random} module. R! ( R" R# R% R& R' ( R R R( ( ( s[ /opt/cpanel-ccs/.develop/virtualenv/lib/python2.7/site-packages/twisted/python/randbytes.pyR) q s R! c C` s@ x9 d D]1 } y t | | � | � SWq t k r7 q Xq Wd S( s� Return a number of non secure random bytes. @param nbytes: number of bytes to generate. @type nbytes: C{int} @return: a string of random bytes. @rtype: C{str} R R) N( R R) ( t getattrR ( R R t src( ( s[ /opt/cpanel-ccs/.develop/virtualenv/lib/python2.7/site-packages/twisted/python/randbytes.pyR { s ( ( R R R t randomSourcesR R t FalseR R R R$ t maketranst _maketransR) t stringR' R ( ( ( s[ /opt/cpanel-ccs/.develop/virtualenv/lib/python2.7/site-packages/twisted/python/randbytes.pyR & s R R ( R t __future__R R R R R% R0 t twisted.python.compatR R* R R R$ t fromhexR t RuntimeErrorR R t objectR t factoryR R t __all__( ( ( s[ /opt/cpanel-ccs/.develop/virtualenv/lib/python2.7/site-packages/twisted/python/randbytes.pyt <module> s 0 g