Your IP : 172.28.240.42
ó
T:´Nc @ sñ d Z d Z d d d d d d d g Z d d
l m Z d d l Z e j d d
k rv e j d d k rv d d l Tn d e f d „ ƒ YZ e ƒ Z
e
j Z e
j Z e
j
Z
e
j Z e
j Z e
j Z d d l m Z m Z m Z m Z d S( sH A cryptographically strong version of Python's standard "random" module.s $Id$t StrongRandomt getrandbitst randranget randintt choicet shufflet sampleiÿÿÿÿ( t RandomNi i i ( t *c B sM e Z d d d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z RS( c C s | d k r$ | d k r$ d | _ nW | d k rH | d k rH | | _ n3 | d k ro | d k ro | j | _ n t d ƒ ‚ d S( Ns( Cannot specify both 'rng' and 'randfunc'( t Nonet _randfunct readt
ValueError( t selft rngt randfunc( ( s8 /usr/lib/python2.7/dist-packages/Crypto/Random/random.pyt __init__$ s c C sR | j d k r$ t j ƒ j | _ n d | >d } | t | j t | d ƒ ƒ ƒ @S( s0 Return a python long integer with k random bits.l i i N( R
R R t newR t
bytes_to_longt ceil_div( R
t kt mask( ( s8 /usr/lib/python2.7/dist-packages/Crypto/Random/random.pyR . s c G s„ t | ƒ d k r$ | \ } } } nj t | ƒ d k rK | \ } } d } nC t | ƒ d k ru | \ } d } d } n t d t | ƒ f ƒ ‚ t | t t f ƒ sÐ t | t t f ƒ sÐ t | t t f ƒ rß t d ƒ ‚ n | d k rú t d ƒ ‚ n t | | | ƒ } | d k r"d } n | d k rJt d | | | f ƒ ‚ n | } x% | | k rw| j t | ƒ ƒ } qSW| | | S( sk randrange([start,] stop[, step]):
Return a randomly-selected element from range(start, stop, step).i i i i s. randrange expected at most 3 arguments, got %ds$ randrange requires integer argumentss( randrange step argument must not be zeros% empty range for randrange(%r, %r, %r)( t lent TypeErrort
isinstancet intt longR R R t size( R
t argst startt stopt stept num_choicest r( ( s8 /usr/lib/python2.7/dist-packages/Crypto/Random/random.pyR 5 s2 c C sw t | t t f ƒ s, t | t t f ƒ r; t d ƒ ‚ n | j | | d ƒ } | | k oh | k n ss t ‚ | S( s0 Return a random integer N such that a <= N <= b.s" randint requires integer argumentsi ( R R R R R t AssertionError( R
t at bt N( ( s8 /usr/lib/python2.7/dist-packages/Crypto/Random/random.pyR W s
,"c C s8 t | ƒ d k r! t d ƒ ‚ n | | j t | ƒ ƒ S( sr Return a random element from a (non-empty) sequence.
If the seqence is empty, raises IndexError.
i s empty sequence( R t
IndexErrorR ( R
t seq( ( s8 /usr/lib/python2.7/dist-packages/Crypto/Random/random.pyR _ s c C sO t | ƒ } x< t t | ƒ ƒ D]( } | j | j t | ƒ ƒ ƒ | | <q Wd S( s Shuffle the sequence in place.N( t listt xrangeR t popR ( R
t xt itemst i( ( s8 /usr/lib/python2.7/dist-packages/Crypto/Random/random.pyR h s c C s t | ƒ } | | k r' t d ƒ ‚ n g } i } xf t | ƒ D]X } d } x. | d k sj | j | ƒ r| | j | ƒ } qO W| j | | ƒ d | | <q@ W| S( sN Return a k-length list of unique elements chosen from the population sequence.s sample larger than populationi N( R R R) R t has_keyR t append( R
t
populationR R t retvalt selectedR- R! ( ( s8 /usr/lib/python2.7/dist-packages/Crypto/Random/random.pyR r s N(
t __name__t
__module__R R R R R R R R ( ( ( s8 /usr/lib/python2.7/dist-packages/Crypto/Random/random.pyR # s
"
( R R t
long_to_bytesR ( t __doc__t __revision__t __all__t CryptoR t syst version_infot Crypto.Util.py21compatt objectR t _rR R R R R R t Crypto.Util.numberR R R5 R ( ( ( s8 /usr/lib/python2.7/dist-packages/Crypto/Random/random.pyt <module> s &
`