ó Ô·ìMc@sdZdZddddgZddlTddlmZmZmZdd lm Z dd l m Z m Z dd l Z ydd lmZWnek r£d ZnXd ejfd„ƒYZdefd„ƒYZeƒZejZejZejZejZd S(s&RSA public-key cryptography algorithm.s$Id$tgeneratet constructterrort importKeyiÿÿÿÿ(t*(t_RSAt _slowmathtpubkey(tRandom(t DerObjectt DerSequenceN(t _fastmatht_RSAobjcBsÈeZddddddgZd„Zd„Zd„Zd „Zd „Zd „Zdd „Z d „Z d„Z d„Z d„Zd„Zd„Zd„Zd„Zd„Zd„Zdd„ZRS(tntetdtptqtucCs||_||_dS(N(timplementationtkey(tselfRR((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyt__init__/s cCs?||jkrt|j|ƒStd|jj|fƒ‚dS(Ns%s object has no %r attribute(tkeydatatgetattrRtAttributeErrort __class__t__name__(Rtattrname((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyt __getattr__3scCs|jj|ƒfS(N(Rt_encrypt(RtctK((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyR;scCs|d \}|jj|ƒS(Ni(Rt_decrypt(RRt ciphertext((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyR!>s cCs|jj||ƒS(N(Rt_blind(Rtmtr((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyR#FscCs|jj||ƒS(N(Rt_unblind(RR$R%((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyR&IscCs|jj|ƒfS(N(Rt_sign(RR$R ((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyR'LscCs |d \}|jj||ƒS(Ni(Rt_verify(RR$tsigts((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyR(Os cCs |jjƒS(N(Rt has_private(R((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyR+VscCs |jjƒS(N(Rtsize(R((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyR,YscCstS(N(tTrue(R((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyt can_blind\scCstS(N(R-(R((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyt can_encrypt_scCstS(N(R-(R((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pytcan_signbscCs"|jj|jj|jjfƒS(N(RRRR R(R((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyt publickeyescCsLi}x?|jD]4}yt|j|ƒ||t,( RR7R,R4RR+RRtidtjoin(RtattrsR2((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyt__repr__{s ! tPEMc Csutƒ}|jƒrnd}d|j|j|j|j|j|j|jd|j|jd|jg |(nad}|jdƒt dƒ}tƒ}|j|jg|(d|j ƒ|_ |j|j ƒƒ|dkrå|j ƒS|d krkd |}|j ƒ}gt dt |ƒd ƒD] }tj|||d !ƒ^q } |d j| ƒ7}|d |7}|Std ƒS(s Export the RSA key. A string is returned with the encoded public or the private half under the selected format. format: 'DER' (PKCS#1) or 'PEM' (RFC1421) s RSA PRIVATEiitPUBLICs0  *†H†÷ s BIT STRINGttDERRCs-----BEGIN %s KEY----- i0ts-----END %s KEY-----(R R+R RRRRRR7R tencodetpayloadtrangetlentbinasciit b2a_base64R@t ValueError( RtformattdertkeyTypetbitmaptderPKtpemt binaryKeytitchunks((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyt exportKey†s.  !"        ?N(Rt __module__RRRRR!R#R&tNoneR'R(R+R,R.R/R0R1R3R<RBRX(((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyR ,s&               R5cBsDeZd„Zd„Zddd„Zd„Zd„Zd„ZRS(cKs©|jddƒ}|dkrBtdk r6t|_qxt|_n6|rotdk r`t|_qxtdƒ‚n t|_|jj|_|jddƒ|_d|_dS(Nt use_fast_mathsfast math module not availabletdefault_randfunc( tgetRZR R8Rt RuntimeErrorRt_default_randfunct_current_randfunc(RtkwargsR[((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyR¨s       cCs;|dk r|S|jdkr4tjƒj|_n|jS(N(RZR`Rtnewtread(Rtrandfunc((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyt _get_randfuncÅs  cCs|dks|d@dkr+tdƒ‚n|j|ƒ}tj|||ƒ}|jj|j|j|j|j |j |j ƒ}t ||ƒS(Niiÿis8RSA modulus length must be a multiple of 256 and >= 1024( RNReRt generate_pyR8R9R RRRRRR (RtbitsRdt progress_functrftobjR((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyRÌs 3cCs|jj|Œ}t||ƒS(N(R8R9R (RttupR((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyRÕscCs#tƒ}|j|tƒt|ƒdkrf|jƒrf|ddkrf|dd5|d=|j|ƒSt|ƒdkr|ddkrtƒ}|j|dtƒ|jdkr|jdd kr|j|jdtƒt|ƒdkr |jƒr |j|ƒSqqnt d ƒ‚dS( Ni iiiis0  *†H†÷ isREsRSA key format is not supported( R tdecodeR-RKt hasOnlyIntsRR ttypeTagRIRN(Rt externKeyRPRR((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyt _importKeyDERÙs .  "cCs€|jdƒrS|jddƒjƒ}tjdj|dd!ƒƒ}|j|ƒS|ddkrp|j|ƒStdƒ‚d S( s³Import an RSA key (public or private half). externKey: the RSA key to import, encoded as a string. The key can be in DER (PKCS#1) or in unencrypted PEM format (RFC1421). s-----t RGiiÿÿÿÿit0sRSA key format is not supportedN(t startswithtreplacetsplitRLt a2b_base64R@RpRN(RRotlinesRP((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyRìs  N( RRYRReRZRRRpR(((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyR5§s     (t__doc__t __revision__t__all__tCrypto.Util.python_compattCrypto.PublicKeyRRRtCryptoRtCrypto.Util.asn1R R RLR t ImportErrorRZR tobjectR5t_implRRRR(((s8/usr/lib/python2.7/dist-packages/Crypto/PublicKey/RSA.pyts$    {V