#NEWLINE# def __sha256( self , key , value , rounds = 1000 ) : #NEWLINE# #INDENT# sha = hashlib . sha256 ( ) #NEWLINE# sha . update ( key ) #NEWLINE# for i in range ( 1000 ) : #NEWLINE# #INDENT# sha . update ( self ) #NEWLINE# #UNINDENT# return sha . digest ( )