BwLc@sdZddlmZddlTddlmZdefdYZdZd dZ d Z d ejfd YZ e Z d S( s$Id$i(tpubkey(t*(tSHAterrorcBseZRS((t__name__t __module__(((s9/usr/lib/python2.7/dist-packages/Crypto/PublicKey/qNEW.pyR!sicCst}|r|dnxtd||_t|j|_}ddi}}}|dt}|dt} d| >} ttd|d} x|dkrxNtd|dD]9} t t j |t |t | j || || } qW| | } | | d|jd} | | krt| rPn|d||d}}qW|dkrPn|r|d qq| |_| d|j}|r|d nx_t ||| d}t||| }d|ko:| dknr|dkrPqq||_|rn|d nx8t |d }d|ko|jknrqPqqqq|t||| |_|_|S( sgenerate(bits:int, randfunc:callable, progress_func:callable) Generate a qNEW key of length 'bits', using 'randfunc' to get random data and 'progress_func', if present, to display the progress of the key generation. sp,q iiiiliis4096 values of p tried sh,g sx,y i(tqNEWobjtgetPrimetqt long_to_bytestseedtHASHBITStpowtlongtranget bytes_to_longRtnewtstrtdigesttisPrimetptgtxty(tbitstrandfunct progress_functobjtStCtNtVtntbtpowbtpowL1tkRtpowerthRR((s9/usr/lib/python2.7/dist-packages/Crypto/PublicKey/qNEW.pytgenerate&sX   7    ,  cCsit}t|dkr'tdnx;tt|D]'}|j|}t||||q:W|S(sconstruct(tuple:(long,long,long,long)|(long,long,long,long,long) Construct a qNEW object from a 4- or 5-tuple of numbers. iis%argument for construct() wrong length(ii(RtlenRRtkeydatatsetattr(ttupleRtitfield((s9/usr/lib/python2.7/dist-packages/Crypto/PublicKey/qNEW.pyt constructys   RcBs_eZdddddgZddZdZdZd Zd Zd Zd Z RS( RRRRRtcCs|j|krtdn|dkr3tdn|tddkrTtdnt|j||j|j}||||j|j|j}||fS(NsK is greater than qisIllegal value of M (<0)ilsIllegal value of M (too large)(RRR RRR(tselftMtKtrts((s9/usr/lib/python2.7/dist-packages/Crypto/PublicKey/qNEW.pyt_signs    #cCs|\}}|dksB||jksB|dksB||jkrFdS|dkr^tdn|dks|tddkrdSt|j||j}t|j|||j}|||j}||j}||krdSdS(NisIllegal value of M (<0)ili(RRR RRR(R0R1tsigR3R4tv1tv2tv((s9/usr/lib/python2.7/dist-packages/Crypto/PublicKey/qNEW.pyt_verifys 6  !  cCsdS(sBReturn the maximum number of bits that can be handled by this key.i((R0((s9/usr/lib/python2.7/dist-packages/Crypto/PublicKey/qNEW.pytsizescCs t|dS(sQReturn a Boolean denoting whether the object contains private components.R(thasattr(R0((s9/usr/lib/python2.7/dist-packages/Crypto/PublicKey/qNEW.pyt has_privatescCsdS(sPReturn a Boolean value recording whether this algorithm can generate signatures.i((R0((s9/usr/lib/python2.7/dist-packages/Crypto/PublicKey/qNEW.pytcan_signscCsdS(sIReturn a Boolean value recording whether this algorithm can encrypt data.i((R0((s9/usr/lib/python2.7/dist-packages/Crypto/PublicKey/qNEW.pyt can_encryptscCs"t|j|j|j|jfS(s?Return a new key object containing only the public information.(R.RRRR(R0((s9/usr/lib/python2.7/dist-packages/Crypto/PublicKey/qNEW.pyt publickeys( RRR)R5R:R;R=R>R?R@(((s9/usr/lib/python2.7/dist-packages/Crypto/PublicKey/qNEW.pyRs     N(t __revision__tCrypto.PublicKeyRtCrypto.Util.numbert Crypto.HashRt ExceptionRR tNoneR'R.Rtobject(((s9/usr/lib/python2.7/dist-packages/Crypto/PublicKey/qNEW.pyts  S 2