| Server IP : 182.53.201.61 / Your IP : 216.73.217.175 Web Server : Apache/2.2.15 (Fedora) System : Linux km10.dyndns.org 2.6.31.5-127.fc12.i686.PAE #1 SMP Sat Nov 7 21:25:57 EST 2009 i686 User : apache ( 48) PHP Version : 5.3.3 Disable Function : NONE MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /usr/lib/python2.6/site-packages/Crypto/PublicKey/ |
Upload File : |
Ñò
šà>c @ sk d Z d d k Td d k l Z d e f d „ ƒ YZ d
d „ Z d „ Z d e f d „ ƒ YZ
e
Z d
S( s9 $Id: ElGamal.py,v 1.9 2003/04/04 19:44:26 akuchling Exp $iÿÿÿÿ( t *( t numbert errorc B s e Z RS( ( t __name__t
__module__( ( ( s< /usr/lib/python2.6/site-packages/Crypto/PublicKey/ElGamal.pyR s c C s¸ t ƒ } | o | d ƒ n t t | | ƒ ƒ | _ | o | d ƒ n | d t | d ƒ ƒ d @} | d j o | d } n xX t t | | ƒ ƒ | _ | i | i j o Pn | d | } | d j o
d } q‡ q‡ | o | d ƒ n x/ | d t | d ƒ ƒ } | d j o Pq÷ q÷ xX t t | | ƒ ƒ | _ | i | i j o Pn | d | } | d j o
d } q)q)| o | d ƒ n t | i | i | i ƒ | _ | S(
sí generate(bits:int, randfunc:callable, progress_func:callable)
Generate an ElGamal key of length 'bits', using 'randfunc' to get
random data and 'progress_func', if present, to display
the progress of the key generation.
s p
s g
i i? i i s x
i s y
( t
ElGamalobjt bignumt getPrimet pt ordt gt xt powt y( t bitst randfunct
progress_funct objt size( ( s< /usr/lib/python2.6/site-packages/Crypto/PublicKey/ElGamal.pyt generate sB
c C sk t ƒ } t | ƒ d j o
t d ‚ n x; t t | ƒ ƒ D]' } | i | } t | | | | ƒ q< W| S( sŸ construct(tuple:(long,long,long,long)|(long,long,long,long,long)))
: ElGamalobj
Construct an ElGamal key from a 3- or 4-tuple of numbers.
i i s% argument for construct() wrong length( i i ( R t lenR t ranget keydatat setattr( t tupleR t it field( ( s< /usr/lib/python2.6/site-packages/Crypto/PublicKey/ElGamal.pyt constructB s
R c B sY e Z d d d d g Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d
„ Z RS( R R
R
R c C sE t | i | | i ƒ } | t | i | | i ƒ | i } | | f S( N( R R
R R
( t selft Mt Kt at b( ( s< /usr/lib/python2.6/site-packages/Crypto/PublicKey/ElGamal.pyt _encryptS s #c C s^ t | d ƒ p
t d ‚ n t | d | i | i ƒ } | d t | | i ƒ | i } | S( NR s( Private key not available in this objecti i ( t hasattrR R R R t inverse( R R t axt plaintext( ( s< /usr/lib/python2.6/site-packages/Crypto/PublicKey/ElGamal.pyt _decryptX s
!c C sº t | d ƒ p
t d ‚ n | i d } t | | ƒ d j o
t d ‚ n t | i | | i ƒ } | | i | | } x | d j o | | } q} W| t | | ƒ | } | | f S( NR s( Private key not available in this objecti s Bad K value: GCD(K,p-1)!=1i ( R" R R t GCDR R
R R# ( R R R t p1R t tR ( ( s< /usr/lib/python2.6/site-packages/Crypto/PublicKey/ElGamal.pyt _sign_ s
c C sr t | i | d | i ƒ } | t | d | d | i ƒ | i } t | i | | i ƒ } | | j o d Sd S( Ni i ( R R
R R
( R R t sigt v1t v2( ( s< /usr/lib/python2.6/site-packages/Crypto/PublicKey/ElGamal.pyt _verifyk s (
c C s t i | i ƒ d S( sB Return the maximum number of bits that can be handled by this key.i ( R R R ( R ( ( s< /usr/lib/python2.6/site-packages/Crypto/PublicKey/ElGamal.pyR s s c C s t | d ƒ o d Sd Sd S( sQ Return a Boolean denoting whether the object contains
private components.R i i N( R" ( R ( ( s< /usr/lib/python2.6/site-packages/Crypto/PublicKey/ElGamal.pyt has_privatew s c C s t | i | i | i f ƒ S( s? Return a new key object containing only the public information.( R R R
R
( R ( ( s< /usr/lib/python2.6/site-packages/Crypto/PublicKey/ElGamal.pyt publickey s (
R R R R! R& R* R. R R/ R0 ( ( ( s< /usr/lib/python2.6/site-packages/Crypto/PublicKey/ElGamal.pyR P s N( t __revision__t Crypto.PublicKey.pubkeyt Crypto.UtilR t ExceptionR t NoneR R t pubkeyR t object( ( ( s< /usr/lib/python2.6/site-packages/Crypto/PublicKey/ElGamal.pyt <module>
s
, 4