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Variant on `KexGroup1 <paramiko.kex_group1.KexGroup1>` where the prime "p" and
generator "g" are provided by the server. A bit more work is required on the
client side, and a **lot** more on the server side.
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t server_modet _expect_packett _MSG_KEXDH_GEX_REQUESTt _MSG_KEXDH_GEX_REQUEST_OLDR t add_bytet c_MSG_KEXDH_GEX_REQUEST_OLDt add_intt preferred_bitst TrueR t c_MSG_KEXDH_GEX_REQUESTt min_bitst max_bitst
_send_messaget _MSG_KEXDH_GEX_GROUP( R t _test_old_stylet m( ( s4 /usr/lib/python2.7/site-packages/paramiko/kex_gex.pyt start_kex; s
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d | j | � � d S( Ns( KexGex %s asked to handle packet type %d( R t _parse_kexdh_gex_requestR# t _parse_kexdh_gex_groupt _MSG_KEXDH_GEX_INITt _parse_kexdh_gex_initt _MSG_KEXDH_GEX_REPLYt _parse_kexdh_gex_replyR t _parse_kexdh_gex_request_oldR t name( R t ptypeR% ( ( s4 /usr/lib/python2.7/site-packages/paramiko/kex_gex.pyt
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d S( Ni i i i� i� ( R R t deflate_longR t lenR t ost urandomR t inflate_longR ( R R
t qnormt qhbytet
byte_countt qmaskt x_bytesR ( ( s4 /usr/lib/python2.7/site-packages/paramiko/kex_gex.pyt _generate_x_ s
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� } | j t � | j | j � | j | j � | j j | � | j j t � d S( Ns- Can't do server-side gex with no modulus packs Picking p (%d <= %d <= %d bits)( t get_intR! R R R
t _get_modulus_packR R t _logR t get_modulusR R R R t c_MSG_KEXDH_GEX_GROUPt add_mpintR" R R) ( R R% t minbitst
preferredbitst maxbitst pack( ( s4 /usr/lib/python2.7/site-packages/paramiko/kex_gex.pyR' q s2 !
c C s% | j � | _ | j | j k r0 | j | _ n | j | j k rQ | j | _ n | j j � } | d k r{ t d � � n | j j t d | j f � | j
| j | j | j � \ | _ | _ t
� } | j t � | j | j � | j | j � | j j | � | j j t � t | _ d S( Ns- Can't do server-side gex with no modulus packs Picking p (~ %d bits)( R< R R! R R
R= R R R> R R? R R R R R@ RA R" R R) R R ( R R% RE ( ( s4 /usr/lib/python2.7/site-packages/paramiko/kex_gex.pyR- � s" *
c C s� | j � | _ | j � | _ t j | j � } | d k sH | d k r[ t d | � � n | j j t d | � | j � t
| j | j | j � | _ t
� } | j t � | j | j � | j j | � | j j t � d S( Ni i s< Server-generated gex p (don't ask) is out of range (%d bits)s Got server p (%d bits)( t get_mpintR R R t
bit_lengthR R
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| j j | j j | j j | j j | � | j s� | j | j � n | j | j � | j s | j | j � n | j | j � | j | j � | j | j � | j | j � | j | � | j | j � � j � } | j j | | � | j j
� j | � } t � } | j t � | j | � | j | j � | j | � | j j | � | j j � d S( Ni s Client kex "e" is out of range(! RF R R R R; RH R R R R
t get_server_keyt asbytesR t addt remote_versiont
local_versiont remote_kex_initt local_kex_initR R R R R! RA t hash_algot digestt _set_K_Ht
sign_ssh_dataR t c_MSG_KEXDH_GEX_REPLYt
add_stringR" t _activate_outbound( R R% t Kt keyt hmt Ht sig( ( s4 /usr/lib/python2.7/site-packages/paramiko/kex_gex.pyR* � s> %
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| j j | j j | j j
| � | j s� | j | j � n | j | j � | j s� | j | j � n | j | j � | j | j � | j | j � | j | j � | j | � | j j | | j | j � � j � � | j j | | � | j j � d S( Ni s Server kex "f" is out of range( t
get_stringRF R R R RH R R RM R
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! $t KexGexSHA256c B s e Z d Z e Z RS( s$ diffie-hellman-group-exchange-sha256( Ra Rb R. R RR ( ( ( s4 /usr/lib/python2.7/site-packages/paramiko/kex_gex.pyRc � s ( t __doc__R3 t hashlibR R t paramikoR t paramiko.commonR t paramiko.messageR t paramiko.py3compatR R R t paramiko.ssh_exceptionR t rangeR R# R) R+ R t cR R@ RI RV R t objectR Rc ( ( ( s4 /usr/lib/python2.7/site-packages/paramiko/kex_gex.pyt <module> s 7�