ó
Â/¾Oc @ s° d Z d Z d d g Z d d l Z e j d d k rW e j d d k rW d d l Tn d d l Td d
l m Z d d l m
Z
d e f d
„ ƒ YZ e j
Z
d d „ Z d S( sQ SHA_d-256 hash function implementation.
This module should comply with PEP 247.
s $Id$t newt digest_sizeiÿÿÿÿNi i i ( t *( t b2a_hex( t SHA256t _SHAd256c B sM e Z d Z e j Z e ƒ Z d „ Z d „ Z d „ Z d „ Z
d „ Z RS( s; SHA-256, doubled.
Returns SHA-256(SHA-256(data)).
c C s2 | | j k r% t d t f ƒ ‚ n | | _ d S( Ns5 Do not instantiate this class directly. Use %s.new()( t _internalt AssertionErrort __name__t _h( t selft internal_api_checkt sha256_hash_obj( ( sC /usr/lib64/python2.7/site-packages/Crypto/Random/Fortuna/SHAd256.pyt __init__7 s c C s t t j | j j ƒ ƒ S( s$ Return a copy of this hashing object( R t SHAd256R R t copy( R
( ( sC /usr/lib64/python2.7/site-packages/Crypto/Random/Fortuna/SHAd256.pyR = s c C s" t j | j j ƒ ƒ j ƒ } | S( s7 Return the hash value of this object as a binary string( R R R t digest( R
t retval( ( sC /usr/lib64/python2.7/site-packages/Crypto/Random/Fortuna/SHAd256.pyR B s c C s7 t | j ƒ ƒ } t j d d k r) | S| j ƒ Sd S( sH Return the hash value of this object as a (lowercase) hexadecimal stringi i N( R R t syst version_infot decode( R
R ( ( sC /usr/lib64/python2.7/site-packages/Crypto/Random/Fortuna/SHAd256.pyt hexdigestI s c C s | j j | ƒ d S( N( R t update( R
t data( ( sC /usr/lib64/python2.7/site-packages/Crypto/Random/Fortuna/SHAd256.pyR S s ( R t
__module__t __doc__R R t objectR R
R R R R ( ( ( sC /usr/lib64/python2.7/site-packages/Crypto/Random/Fortuna/SHAd256.pyR - s
c C sD | s t d ƒ } n t t j t j | ƒ ƒ } t ƒ d | _ | S( s# Return a new SHAd256 hashing objectt R ( t bR R R R t globals( R t sha( ( sC /usr/lib64/python2.7/site-packages/Crypto/Random/Fortuna/SHAd256.pyR Z s
( R t __revision__t __all__R R t Crypto.Util.py21compatt Crypto.Util.py3compatt binasciiR t Crypto.HashR R R R t NoneR ( ( ( sC /usr/lib64/python2.7/site-packages/Crypto/Random/Fortuna/SHAd256.pyt <module> s &
*