|
Server : Apache System : Linux cvar2.toservers.com 3.10.0-962.3.2.lve1.5.73.el7.x86_64 #1 SMP Wed Aug 24 21:31:23 UTC 2022 x86_64 User : njnconst ( 1116) PHP Version : 8.4.18 Disable Function : NONE Directory : /lib64/python2.7/site-packages/cryptography/hazmat/primitives/kdf/ |
Upload File : |
� x�\c @` s� d d l m Z m Z m Z d d l m Z d d l m Z d d l m Z d d l m Z m Z m Z m Z d d l m Z d d l m Z m Z m Z d d l m Z d e f d � � YZ d e f d � � YZ e j e � d e f d � � Y� Z d S( i ( t absolute_importt divisiont print_function( t Enum( t range( t utils( t AlreadyFinalizedt InvalidKeyt UnsupportedAlgorithmt _Reasons( t HMACBackend( t constant_timet hashest hmac( t KeyDerivationFunctiont Modec B` s e Z d Z RS( t ctr( t __name__t __module__t CounterMode( ( ( sP /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/kdf/kbkdf.pyR s t CounterLocationc B` s e Z d Z d Z RS( t before_fixedt after_fixed( R R t BeforeFixedt AfterFixed( ( ( sP /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/kdf/kbkdf.pyR s t KBKDFHMACc B` s5 e Z d � Z d � Z d � Z d � Z d � Z RS( c C` s� t | t � s$ t d t j � � n t | t j � sK t d t j � � n | j | � so t d t j � � n t | t � s� t d � � n t | t � s� t d � � n | s� | r� | r� t d � � n | d k s� | j | � r� t d � � n | d k r | d k r t d � � n | d k rIt | t � rIt d � � n | d k r^d } n | d k rsd } n t j d | � t j d | � | | _ | | _ | | _ | | _ | | _ | | _ | | _ | | _ | | _ t | _ | | _ d S( Ns. Backend object does not implement HMACBackend.s5 Algorithm supplied is not a supported hash algorithm.s5 Algorithm supplied is not a supported hmac algorithm.s mode must be of type Modes( location must be of type CounterLocations9 When supplying fixed data, label and context are ignored.s rlen must be between 1 and 4s Please specify an llens llen must be an integert t labelt context( t isinstanceR R R t BACKEND_MISSING_INTERFACER t HashAlgorithmt UNSUPPORTED_HASHt hmac_supportedR t TypeErrorR t ValueErrort Nonet _valid_byte_lengtht intR t _check_bytest _algorithmt _modet _lengtht _rlent _llent _locationt _labelt _contextt _backendt Falset _usedt _fixed_data( t selft algorithmt modet lengtht rlent llent locationR R t fixedt backend( ( sP /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/kdf/kbkdf.pyt __init__ sR c C` sZ t | t � s t d � � n t j d | � } d t | � k oM d k n sV t St S( Ns value must be of type inti i ( R R& R" R t int_to_bytest lenR1 t True( R4 t valuet value_bin( ( sP /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/kdf/kbkdf.pyR% Z s "c C` s_ | j r t � n t j d | � t | _ | j | j j } d g } t j d | j � } | t d t | � d � d k r� t d � � n x� t d | d � D]� } t j | | j d | j �} t j | | j � } | j t j k r� | j | � n | j | j � � | j t j k r4| j | � n | j | j � � q� Wd j | � | j S( Nt key_materialR i i i s There are too many iterations.R< ( R2 R R t _check_byteslikeR@ R* R( t digest_sizeR> R+ t powR? R# R R t HMACR0 R- R R t updatet _generate_fixed_inputR t appendt finalizet join( R4 RC t roundst outputt r_bint it ht counter( ( sP /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/kdf/kbkdf.pyt derivec s& # c C` s] | j r" t | j t � r" | j St j | j d | j � } d j | j d | j | g � S( Ni R t ( R3 R t bytesR R> R* R, RL R. R/ ( R4 t l_val( ( sP /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/kdf/kbkdf.pyRI � s c C` s( t j | j | � | � s$ t � n d S( N( R t bytes_eqRS R ( R4 RC t expected_key( ( sP /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/kdf/kbkdf.pyt verify� s ( R R R= R% RS RI RY ( ( ( sP /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/kdf/kbkdf.pyR s ; $ N( t __future__R R R t enumR t six.movesR t cryptographyR t cryptography.exceptionsR R R R t' cryptography.hazmat.backends.interfacesR t cryptography.hazmat.primitivesR R R t" cryptography.hazmat.primitives.kdfR R R t register_interfacet objectR ( ( ( sP /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/kdf/kbkdf.pyt <module> s "