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0102030a0b0cta106(Rtencode_constructedRRRJRRR(R;R((s8/usr/lib64/python2.7/site-packages/ecdsa/test_pyecdsa.pyttest_constructeds&(RRRRRRRR(((s8/usr/lib64/python2.7/site-packages/ecdsa/test_pyecdsa.pyRs    tUtilcBs#eZdZdZdZRS(c Cstj}xtdD]t}d|}xad d dddddfD]D}|||}|jd|kot|knd||fqBWqW|jd|dtjjtd dS(Nisseed-%diiiis%xRdt86fa59d73bf0446ae8743cf748fc5ac11d5585a90356417e97155c3bciiiiiiiiiiiii( R RatrangeR6RJRRbtencodeR(R;tttatiRdRbR((s8/usr/lib64/python2.7/site-packages/ecdsa/test_pyecdsa.pyttest_trytryagains  7cCsxtdD]}}tjd|}xad d d ddfD]J}tj|d|}|jd|kot|knd||fq<Wq WdS(Nisseed-%diiiiRmiiiiiiiii(RR tPRNGt randrangeR6(R;RRmRbR((s8/usr/lib64/python2.7/site-packages/ecdsa/test_pyecdsa.pyttest_randranges  cCsd }tgtd|D]}|df^q}d|ksFt||ksXtx@tdD]2}d|}tj||}||cd7s<     . cF'  usr/lib64/python2.7/site-packages/ecdsa/ecdsa.pyc0100644000000000000000000004535312311676135020470 0ustar rootroot *]KRc@sdZddlmZmZmZddlmZddlmZddlZde fdYZ d e fd YZ d e fd YZ d Z dZdZdZdZdZdZdZdZejedeZejeeeeZdZdZdZdZdZejedeZejeeeeZdZdZdZdZd ZejedeZejeeeeZd!Zd"Zd#Zd$Zd%ZejedeZejeeeeZd&Zd'Zd(Zd)Zd*ZejedeZ eje eeeZ!d+Z"d,Zd-Zd.Zd/Zd0Zejee"eZ#eje#eeeZ$d1Z%e&d2kre%ndS(3s Implementation of Elliptic-Curve Digital Signatures. Classes and methods for elliptic-curve signatures: private keys, public keys, signatures, NIST prime-modulus curves with modulus lengths of 192, 224, 256, 384, and 521 bits. Example: # (In real-life applications, you would probably want to # protect against defects in SystemRandom.) from random import SystemRandom randrange = SystemRandom().randrange # Generate a public/private key pair using the NIST Curve P-192: g = generator_192 n = g.order() secret = randrange( 1, n ) pubkey = Public_key( g, g * secret ) privkey = Private_key( pubkey, secret ) # Signing a hash value: hash = randrange( 1, n ) signature = privkey.sign( hash, randrange( 1, n ) ) # Verifying a signature for a hash value: if pubkey.verifies( hash, signature ): print_("Demo verification succeeded.") else: print_("*** Demo verification failed.") # Verification fails if the hash value is modified: if pubkey.verifies( hash-1, signature ): print_("**** Demo verification failed to reject tampered hash.") else: print_("Demo verification correctly rejected tampered hash.") Version of 2009.05.16. Revision history: 2005.12.31 - Initial version. 2008.11.25 - Substantial revisions introducing new classes. 2009.05.16 - Warn against using random.randrange in real applications. 2009.05.17 - Use random.SystemRandom by default. Written in 2005 by Peter Pearson and placed in the public domain. i(tint2bytetbtprint_(t ellipticcurve(t numbertheoryiNt SignaturecBseZdZdZRS(sECDSA signature. cCs||_||_dS(N(trts(tselfRR((s1/usr/lib64/python2.7/site-packages/ecdsa/ecdsa.pyt__init__Bs (t__name__t __module__t__doc__R (((s1/usr/lib64/python2.7/site-packages/ecdsa/ecdsa.pyR?st Public_keycBs eZdZdZdZRS(sPublic key for ECDSA. cCs|j|_||_||_|j}|sBtdn||tjksdtdn|jdks||jks|jdks||jkrtdndS(sigenerator is the Point that generates the group, point is the Point that defines the public key. s Generator point must have order.sGenerator point order is bad.is(Generator point has x or y out of range.N( tcurvet generatortpointtordert RuntimeErrorRtINFINITYtxty(RRRtn((s1/usr/lib64/python2.7/site-packages/ecdsa/ecdsa.pyR Ls   Hc Cs|j}|j}|j}|j}|dksC||dkrGtS|dksc||dkrgtStj||}|||}|||} ||| |j} | j|} | |kS(scVerify that signature is a valid signature of hash. Return True if the signature is valid. i( RRRRtFalseRt inverse_modRR( Rthasht signaturetGRRRtctu1tu2txytv((s1/usr/lib64/python2.7/site-packages/ecdsa/ecdsa.pytverifies]s    (R R R R R!(((s1/usr/lib64/python2.7/site-packages/ecdsa/ecdsa.pyR Hs t Private_keycBs eZdZdZdZRS(sPrivate key for ECDSA. cCs||_||_dS(sQpublic_key is of class Public_key; secret_multiplier is a large integer. N(t public_keytsecret_multiplier(RR#R$((s1/usr/lib64/python2.7/site-packages/ecdsa/ecdsa.pyR ws c Cs|jj}|j}||}||}|j}|dkrStdntj||||j|||}|dkrtdnt||S(sReturn a signature for the provided hash, using the provided random nonce. It is absolutely vital that random_k be an unpredictable number in the range [1, self.public_key.point.order()-1]. If an attacker can guess random_k, he can compute our private key from a single signature. Also, if an attacker knows a few high-order bits (or a few low-order bits) of random_k, he can compute our private key from many signatures. The generation of nonces with adequate cryptographic strength is very difficult and far beyond the scope of this comment. May raise RuntimeError, in which case retrying with a new random value k is in order. is!amazingly unlucky random number rs!amazingly unlucky random number s( R#RRRRRRR$R( RRtrandom_kRRtktp1RR((s1/usr/lib64/python2.7/site-packages/ecdsa/ecdsa.pytsigns       (R R R R R((((s1/usr/lib64/python2.7/site-packages/ecdsa/ecdsa.pyR"ss cCs|dkst|dkr(tdSg}x1|ra|d@}|jt||dL}q1W|jtdj|S(s7Convert integer x into a string of bytes, as per X9.62.itiit(tAssertionErrorRtappendRtreversetjoin(Rtresulttordinal((s1/usr/lib64/python2.7/site-packages/ecdsa/ecdsa.pyt int_to_strings    cCsGd}x:|D]2}t|ts1t|}nd||}q W|S(s8Convert a string of bytes into an integer, as per X9.62.ii(t isinstancetinttord(RR/R((s1/usr/lib64/python2.7/site-packages/ecdsa/ecdsa.pyt string_to_ints  cCs,ddlm}t|t|jS(smConvert an integer into a string of bytes, compute its SHA-1 hash, and convert the result to an integer.i(tsha1(thashlibR6R5R1tdigest(tmR6((s1/usr/lib64/python2.7/site-packages/ecdsa/ecdsa.pytdigest_integerscCs|j}|j}|dksH||ksH|dksH||krLtS|j||sbtS|tj|||tjkstStS(s=Is (x,y) a valid public key based on the specified generator?i(RRRtcontains_pointRtPointRtTrue(RRRRR((s1/usr/lib64/python2.7/site-packages/ecdsa/ecdsa.pytpoint_is_valids  0 l l 1(i&^#a;l 9{uDjSg9g(Bl +'1t:_|v!a:@ml H<^W]dZ{cxW\Iqil?l=*8%(?lF eY8 w-X"PVd/%PP!-l!"X!#BXtJ9!'|%VA-l4~ f&Dv@h!fE0m9_ qlM/l?@lQ%x +Ohbi+}s@lK`Opq^cv 3,e< 1U]>{|R*ZlB11e %:f=K`wrH7gHK8hklQ~o]l+fUg+<)Z?8O?q!Ol~ls)e`gwl X_[nlv|l*'#.TEbc+Z'@=D 1 "(?7N2Z_+|S/1fl dxRjoyU8T( :ss"nZL8k&"_Ul_!uR/sX0 @qaNQNB&JxS8KJEY K%ll#l# dp"z\}[z3"nZ;PK# `7roCQl#?VQ(zO%b95~cte1oR{V;LH w>l-rZE]"Sr&Ga9}*Fl#f=xK)H-apY$3^Q n%k{;/K!u{4-{?$Od8V1l3s: l#Pf?QE$XN!85aZU WL9YLhz f$Du13otc!% pMxjRr`iil/|l-lO 96M:WZEuw>?3ylT!v?B>bAP) ("8p'UxI;m:HlAAl 3z~i9nW~c s*dtfdYfd}fd}tdt}d}||}|jdkrudn td d }||}|jd ks|jd krd n tdd}d}||||} | jd ks| jd krdn tdd} ttt|} t| |} | j| |} | j| j }}|d ks|dkrdn td| j | | }|rtdn d| j | d| }|stdn dtd||ddt ||dd t ||d!d"t ||d#d$t ||d%d&t ||d'd(t ||d)d*t ||d+d,t ||d-d.t ||d/d0t ||d1d2t ||d3d4t td5td6d7}d8}d9}d:}d;}||||||t d<}d=}d>}d?}d@}||||||t dA}dB}dC}dD}dE}||||||t dF}dG}dH}dI}dJ}||||||t dK}dL}dM}dN}dO}||||||t dP}dQ}dR}dS}dT}||||||t dU}dV}dW}dX}dY}||||||t dZ}d[}d\}d]}d^}||||||t d_}d`}da}db}dc}||||||t dd}de}df}dg}dh}||||||t di}dj}dk}dl}dm}||||||t dn}do}dp}dq}dr}||||||t ds}dt}du}dv}dw}||||||t dx}dy}dz}d{}d|}||||||t d}}d~}d}d}d}||||||t tdt}|j }tjj}|d|}t|||}t||}|d|}|j||d|}|j ||rtdn d|j |d|rdn tddS(Nt TestFailurecBseZRS((R R (((s1/usr/lib64/python2.7/site-packages/ecdsa/ecdsa.pyR?scs5t||||kr%tdn ddS(srgenerator defines the curve; is (x,y) a point on this curve? "expected" is True if the right answer is Yes.s"Point validity tested as expected.s**** Point validity test gave wrong result.N(R>R(RRRtexpected(R?(s1/usr/lib64/python2.7/site-packages/ecdsa/ecdsa.pyttest_point_validitys cs|tttjt||}|jt|t||}||krbtd||fnd||fdS(sMsg = message, Qx and Qy represent the base point on elliptic curve c192, R and S are the signature, and "expected" is True iff the signature is expected to be valid.s2Signature tested as expected: got %s, expected %s.s/*** Signature test failed: got %s, expected %s.N( R t generator_192RR<t curve_192R!R:RR(tMsgtQxtQytRtSR@tpubktgot(R?(s1/usr/lib64/python2.7/site-packages/ecdsa/ecdsa.pyttest_signature_validity%s! sNIST Curve P-192:l uH=.t.#",W}7?jl Z`uSG;R-]]0sk +s*** p192 * d came out wrong.sp192 * d came out right.l N/vZL_ ~XXw]ol ~n&DJ,6'1a47b?`l 5XD+8n#w}rO s*** k * p192 came out wrong.sk * p192 came out right.l WTY>n+BtC*Yql !M_JT96wfF [ ,z=s&*** u1 * p192 + u2 * Q came out wrong.s"u1 * p192 + u2 * Q came out right.l X9 BWGZ@G6|2l v;*Yf^UT!] i&l pZ) SS4gr7 )n%r{l ]/C{me@M 3(El UCz8"O{q&f0Al F>x.~x:UIpel 5f~p 3,Z'o >Qql /+ Ug1 0B]D?}x5& l [-L#rJ4dM][$1rF"S@k T75n l W&`} #-'bgqgD~Gl m+}LLjTb`-~({Me#Fl g0H?h_OXk l S"+6}=%?T5`&Yl #)T!Mj C:e6j- s;Trying signature-verification tests from ECDSAVS.pdf B.2.4:sP-192:lEXQa9@El4z6y yPDsc C N}!/ '%7(-@pbXaJCC,9bf@|{&o.0U& lB m_twr8G[1,IGiLcU|,0C_3 Js&l geC 9|C0M9F QL_ l k)7Q 2XZ~ S} l )$|;6y3q'Fe7Hp(,eMl y$=tY,dY=V4P]lEc{}fl"'{s5,29l%4 uDd2-o+Mf}aAh96K8[Zk&";400 Ej~3gG`v%$Jx6Qo A;hU)/t W?g%((xTDk%"t7,vj+n% l zN( i,q ARs`2^%4|l -5CY42U[B]aT/ l Ug?n 3ua !wPX0)(l l`gxJR\8z%8/ OlVlEBO-2.m.'J%qWzcl 6#Hl6;gBPy3q^X!l V$tl7!Z{^EmTu l * }a2nyyJ!USYlEM$l+B t]XC$`h?}mh+bTonf7D5:_AfR[O> "wT3 ""J {}Tq]}^4Jlf8T(Ta\zY*TCu7j1x,H~$#;{A2fW+QpIS8_gA,myDve*^m&oC- El (I2=R-.L\Sdc7Cw|tl '<;zs=A93=Q3KmdKoZl wn-ldk4 7X5_wEP l zhMR?WZf`){Gs,olEmJUj{ |jTM\anN0^k{[+MsML yI  [U Ca \+?SE-6dZW\A}a7m gC|7 FX#zn2Hp$B5V .Bl !)q!q?""1j5AdjPfl V2 PPzN=E|#^-%X1a [Nl %s8`Il)aM t '}+l 3V zXC&,?p]L3+4 lEv~bECKXiR R)U`5@ mtxoDSKFDBAmbBr/w^.s"S MS1\ cT40 7e^ave7L<-H<+k{I7L{$x4=w 1r*R*PQ =b;yO>OTlEk GO c# ?4*N+>o!2^jv /\Vw$7KJ",}qF6%iH[\|^EjV4ZWkd%Mn rw: 'm6T% "9C=9 $/J2X@3 ], l /vMmY6#k?]xxvggl UinLNSr/nwB ^A$Il 'q_LTDrUAidJ lEX6} <5=u[I3kC}0b0Fj$ 'mH`UHz /Qgwq! 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dqn|rt dn|s0x*|D]}t|tr t}Pq q Wn|rQtd }td }n d }d }|dkrr|}n|dkr|}nx7t |D])\} }| r||n||qW||dS( sThe new-style print function.tfileNcs/t|tst|}nj|dS(N(Rt basestringtstrtwrite(tdata(tfp(s//usr/lib64/python2.7/site-packages/ecdsa/six.pyR]stsepssep must be None or a stringtendsend must be None or a strings$invalid keyword arguments to print()s t ( tpopR tstdoutRtFalseRRtTrueRt TypeErrort enumerate( targstkwargsRt want_unicodeRRtargtnewlinetspaceR((Rs//usr/lib64/python2.7/site-packages/ecdsa/six.pytprint_XsL             sReraise an exception.cCs|d|fiS(s%Create a base class with a metaclass.tNewBase((tmetatbase((s//usr/lib64/python2.7/site-packages/ecdsa/six.pytwith_metaclasssIiIill(QRtoperatorR ttypest __author__t __version__t version_infoRRt string_typestintt integer_typesRt class_typest text_typeRt binary_typetmaxsizetMAXSIZERtlongt ClassTypeRtplatformt startswithtobjectRtlent OverflowErrorR RRRRt ModuleTypeR't_moved_attributesR RR RyR RR{Rt _meth_funct _meth_selft _func_codet_func_defaultsRRRRRt NameErrorRRRt attrgettertget_method_functiontget_method_selftget_function_codetget_function_defaultsRRRRRRt methodcallerR)R*tBytesIOtchrR-R%RRRRR(((s//usr/lib64/python2.7/site-packages/ecdsa/six.pyts0                                                        - usr/lib64/python2.7/site-packages/ecdsa/__init__.py0100644000000000000000000000120412232012502020750 0ustar rootroot__all__ = ["curves", "der", "ecdsa", "ellipticcurve", "keys", "numbertheory", "test_pyecdsa", "util", "six"] from .keys import SigningKey, VerifyingKey, BadSignatureError, BadDigestError from .curves import NIST192p, NIST224p, NIST256p, NIST384p, NIST521p, SECP256k1 _hush_pyflakes = [SigningKey, VerifyingKey, BadSignatureError, BadDigestError, NIST192p, NIST224p, NIST256p, NIST384p, NIST521p, SECP256k1] del _hush_pyflakes # This code comes from http://github.com/warner/python-ecdsa try: from _version import __version__ as v __version__ = v del v except ImportError: __version__ = "UNKNOWN" usr/lib64/python2.7/site-packages/ecdsa/util.pyc0100644000000000000000000002217612311676135020364 0ustar rootroot v@Sc@ soddlmZddlZddlZddlZddlmZddlmZddl m Z ddl m Z m Z mZmZd!ZejeZdd Zd d"d YZdZdZdZedZedZdZdZdZdZdZdZ dZ!dZ"dZ#dZ$dZ%dZ&dZ'd Z(dS(#i(tdivisionN(tsha256i(tder(torderlen(tPY3tint2bytetbtnextiiHi='cC s|dkrtj}n|dks*tt|}d}xS|dkr|d8}t||d}d|ko|knr?|Sq?q?Wtd|dS(sReturn a random integer k such that 1 <= k < order, uniformly distributed across that range. For simplicity, this only behaves well if 'order' is fairly close (but below) a power of 256. The try-try-again algorithm we use takes longer and longer time (on average) to complete as 'order' falls, rising to a maximum of avg=512 loops for the worst-case (256**k)+1 . All of the standard curves behave well. There is a cutoff at 10k loops (which raises RuntimeError) to prevent an infinite loop when something is really broken like the entropy function not working. Note that this function is not declared to be forwards-compatible: we may change the behavior in future releases. The entropy= argument (which should get a callable that behaves like os.entropy) can be used to achieve stability within a given release (for repeatable unit tests), but should not be used as a long-term-compatible key generation algorithm. ii'islrandrange() tried hard but gave up, either something is very wrong or you got realllly unlucky. Order was %xN(tNonetosturandomtAssertionErrorRtstring_to_numbert RuntimeError(tordertentropytbytestdont_try_forevert candidate((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pyt randranges    tPRNGcB s#eZdZdZdZRS(cC s|j||_dS(N(tblock_generatort generator(tselftseed((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pyt__init__AscC sIgt|D]}t|j^q }tr8t|Sdj|SdS(Nt(trangeRRRRtjoin(Rtnumbytestita((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pyt__call__Ds( cc sSd}xFtrNx/td||fjjD] }|Vq2W|d7}q WdS(Nis prng-%d-%si(tTrueRtencodetdigest(RRtcountertbyte((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pyRMs  ) (t__name__t __module__RR R(((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pyR;s  cC sut|dt|}ttj|d|dd}d|koW|knsqtd||f|S(Niii(RRtinttbinasciithexlifyR (RRtbasetnumber((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pyt%randrange_from_seed__overshoot_moduloTs$1cC s d|>dS(Ni((tnumbits((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pyt lsb_of_ones`scC sAttj|ddd}|d}|d}|||fS(Niii(R(tmathtlog(RtbitsRt extrabits((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pytbits_and_bytesbs   cC st|\}}}|r(|d7}n||j| }d|t||}dttj|d}d|ko|knst|S(Niti(R4R#tlenR(R)R*R (RRthashmodR2RR3R+R,((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pyt#randrange_from_seed__truncate_bytesss "cC sttj|ddd}|dd}||j| }d|t||}d||}|rtt|dt|@|d}ndttj |d}d|ko|knst |S(NiiiiR5ii( R(R0R1R#R6RtordR/R)R*R (RRR7R2tmaxbytesR+ttopbitsR,((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pyt"randrange_from_seed__truncate_bitss +"cC s|dkstt|\}}}t|}x{trtd}|rstt|dt|@}nt|||d}d|ko|knr6|Sq6WdS(NiR( R R4RR!RRR9R/R (RRR2RR3tgeneratet extrabytetguess((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pyt randrange_from_seed__trytryagains   %cC skt|}dtd|d}tj||j}t||ksgtt||f|S(Ns%0itx(RtstrR)t unhexlifyR"R6R (tnumRtltfmt_strtstring((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pytnumber_to_strings  *cC sEt|}dtd|d}tj||j}|| S(Ns%0iRA(RRBR)RCR"(RDRRERFRG((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pytnumber_to_string_crops cC sttj|dS(Ni(R(R)R*(RG((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pyR scC sLt|}t||ks6tt||fttj|dS(Ni(RR6R R(R)R*(RGRRE((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pytstring_to_number_fixedlens *cC s(t||}t||}||fS(N(RH(trtsRtr_strts_str((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pytsigencode_stringsscC s t|||\}}||S(N(RO(RKRLRRMRN((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pytsigencode_stringscC s"tjtj|tj|S(N(Rtencode_sequencetencode_integer(RKRLR((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pyt sigencode_derscC s-||dkr||}nt|||S(Ni(RO(RKRLR((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pytsigencode_strings_canonizes cC s-||dkr||}nt|||S(Ni(RP(RKRLR((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pytsigencode_string_canonizes cC s-||dkr||}nt|||S(Ni(RS(RKRLR((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pytsigencode_der_canonizes cC snt|}t|d|ks>tt|d|ft|| |}t|||}||fS(Ni(RR6R RJ(t signatureRRERKRL((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pytsigdecode_strings  2cC s|\}}t|}t||ksBtt||ft||ksltt||ft||}t||}||fS(N(RR6R RJ(t rs_stringsRRMRNRERKRL((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pytsigdecode_stringss  **cC stj|\}}|tdkrFtjdtj|ntj|\}}tj|\}}|tdkrtjdtj|n||fS(NRstrailing junk after DER sig: %ss#trailing junk after DER numbers: %s(Rtremove_sequenceRt UnexpectedDERR)R*tremove_integer(tsig_derRRYtemptyRKtrestRL((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pyt sigdecode_ders  (iiiHi='ii(()t __future__RR R0R)thashlibRRRtcurvesRtsixRRRRtoid_ecPublicKeyt encode_oidtencoded_oid_ecPublicKeyRRRR-R/R4R8R<R@RHRIR RJRORPRSRTRURVRXRZRa(((s0/usr/lib64/python2.7/site-packages/ecdsa/util.pyts<   " (               usr/lib64/python2.7/site-packages/ecdsa/_version.pyc0100644000000000000000000000025212311676135021222 0ustar rootroot BSc@s dZdS(s0.11N(t __version__(((s4/usr/lib64/python2.7/site-packages/ecdsa/_version.pytsusr/lib64/python2.7/site-packages/ecdsa/keys.pyc0100644000000000000000000002715012311676135020357 0ustar rootroot @Sc@sddlZddlmZddlmZddlmZddlmZmZddlm Z m Z m Z ddlm Z m Z dd lmZmZdd lmZmZdd lmZd efd YZdefdYZdddYZdddYZdS(iNi(tecdsa(tder(trfc6979(tNIST192pt find_curve(tstring_to_numbertnumber_to_stringt randrange(tsigencode_stringtsigdecode_string(toid_ecPublicKeytencoded_oid_ecPublicKey(tPY3tb(tsha1tBadSignatureErrorcBseZRS((t__name__t __module__(((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyR stBadDigestErrorcBseZRS((RR(((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyRst VerifyingKeycBseZd dZeeedZeeeedZ edZ edZ dZ dZ dZd edZed ZRS( cCs|stdndS(Ns0Please use SigningKey.generate() to construct me(t TypeError(tselft_error__please_use_generate((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyt__init__scCsL|dt}||_||_tj|j||_|j|j_|S(NR(tTruetcurvetdefault_hashfuncRt Public_keyt generatortpubkeytorder(tklasstpointRthashfuncR((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pytfrom_public_points   c Cs0|j}t||jks9tt||jf||j }||j}t||jkstt||jft||jkstt||jft|}t|} |rtj|j|| stnddl m } | j |j || |} |j | ||S(Ni(t ellipticcurve(Rtlentverifying_key_lengthtAssertionErrortbaselenRRtpoint_is_validRtR#tPointRR"( RtstringRR!tvalidate_pointRtxstystxtyR#R ((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyt from_string s   00  !cCs|jtj|S(N(tfrom_derRtunpem(RR+((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pytfrom_pem2sc CsUtj|\}}|tdkrFtjdtj|ntj|\}}tj|\}}tj|\}}|tdkrtjdtj|n|tkst|tft |} tj |\} }|tdkr&tjdtj|n| j tdsAt|j | d| S(NR)s"trailing junk after DER pubkey: %ss*trailing junk after DER pubkey objects: %ss*trailing junk after pubkey pointstring: %sti( Rtremove_sequenceR t UnexpectedDERtbinasciithexlifyt remove_objectR R&Rtremove_bitstringt startswithR1( RR+ts1temptyts2tpoint_str_bitstringtoid_pktrestt oid_curveRt point_str((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyR26s$    cCsJ|jj}t|jjj|}t|jjj|}||S(N(RRRR R/R0(RRtx_strty_str((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyt to_stringMs cCstj|jdS(Ns PUBLIC KEY(Rttopemtto_der(R((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pytto_pemVscCs|jj}t|jjj|}t|jjj|}td||}tjtjt |j j tj |S(NR5( RRRR R/R0R Rtencode_sequenceR Rt encoded_oidtencode_bitstring(RRRERFRD((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyRIYs  cCs4|p |j}||j}|j|||S(N(Rtdigestt verify_digest(Rt signaturetdataR!t sigdecodeRN((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pytverifybscCst||jjkrAtd|jjdt|fnt|}|||jj\}}tj ||}|jj ||rt St dS(Ns1this curve (%s) is too short for your digest (%d)i( R$RR'RtnameRRRRt SignaturetverifiesRR(RRPRNRRtnumbertrtstsig((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyROgs  N(RRtNoneRt classmethodRRR"RR1R4R2RGRJRIR RSRO(((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyRs   t SigningKeycBseZddZeededZeeedZeeedZ eedZ eedZ dZ dZ dZd Zded Zded Zddedd Zdedd ZdddZRS(cCs|stdndS(Ns0Please use SigningKey.generate() to construct me(R(RR((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyRtscCs%t|j|}|j|||S(N(RRtfrom_secret_exponent(RRtentropyR!tsecexp((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pytgeneratexscCs|dt}||_||_|j|_|j}d|koM|knsXt|j|}tj|j|}||_t j ||||_ tj |||_ ||j _|S(NRi(RRRR'RR&RRRRR"t verifying_keyt Private_keytprivkey(RR`RR!Rtnt pubkey_pointR((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyR^s    "     cCsOt||jks0tt||jft|}|j|||S(N(R$R'R&RR^(RR+RR!R`((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyR1s0 cCsVtr$t|tr$|j}n||jtd}|jtj||S(Ns-----BEGIN EC PRIVATE KEY-----( R t isinstancetstrtencodetindexR R2RR3(RR+R!t privkey_pem((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyR4sc Csjtj|\}}|tdkrFtjdtj|ntj|\}}|dkr}tjd|ntj|\}}tj|\}}}|dkrtjd|ntj |\} }|tdkrtjdtj|nt | } t || j krWtd| j t ||}n|j || |S( NR)s#trailing junk after DER privkey: %sis,expected '1' at start of DER privkey, got %dis%expected tag 0 in DER privkey, got %ds-trailing junk after DER privkey curve_oid: %st(RR6R R7R8R9tremove_integertremove_octet_stringtremove_constructedR:RR$R'R1( RR+R!RYR>tonet privkey_strttagt curve_oid_strt curve_oidR((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyR2s*         $cCs%|jj}t||jj}|S(N(Rdtsecret_multiplierRR(RR`RY((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyRGs cCstj|jdS(NsEC PRIVATE KEY(RRHRI(R((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyRJscCsqtd|jj}tjtjdtj|jtjd|jj tjdtj |S(NR5ii( R tget_verifying_keyRGRRKtencode_integertencode_octet_stringtencode_constructedRRLRM(Rt encoded_vk((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyRIs cCs|jS(N(Rb(R((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyRvscCs:|p |j}||j}|j|d|d|S(NR!t sigencode(RRNtsign_digest_deterministic(RRQR!R{RN((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pytsign_deterministicscCsC|jj}tj|jj|||}|j|d|d|S(s Calculates 'k' from data itself, removing the need for strong random generator and producing deterministic (reproducible) signatures. See RFC 6979 for more details. R{tk(RdRuRt generate_kRRt sign_digest(RRNR!R{R`R~((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyR|s cCs7|p |j}||j}|j||||S(s@ hashfunc= should behave like hashlib.sha1 . The output length of the hash (in bytes) must not be longer than the length of the curve order (rounded up to the nearest byte), so using SHA256 with nist256p is ok, but SHA256 with nist192p is not. (In the 2**-96ish unlikely event of a hash output larger than the curve order, the hash will effectively be wrapped mod n). Use hashfunc=hashlib.sha1 to match openssl's -ecdsa-with-SHA1 mode, or hashfunc=hashlib.sha256 for openssl-1.0.0's -ecdsa-with-SHA256. (RRNR(RRQR_R!R{R~th((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pytsigns cCs~t||jjkrAtd|jjdt|fnt|}|j|||\}}||||jjS(Ns1this curve (%s) is too short for your digest (%d)i( R$RR'RRTRt sign_numberRdR(RRNR_R{R~RWRXRY((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyRs  cCsw|jj}|dk r!|}nt||}d|koG|knsRt|jj||}|j|jfS(Ni(RdRR[RR&RRXRY(RRWR_R~Rt_kRZ((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyR s   "N(RRR[RR\RRRaR^R1R4R2RGRJRIRvRR}R|RRR(((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyR]ss(  &     (((R8R)RRRtcurvesRRtutilRRRRR R R tsixR R thashlibRt ExceptionRRRR](((s0/usr/lib64/python2.7/site-packages/ecdsa/keys.pyts ausr/lib64/python2.7/site-packages/ecdsa/curves.py0100644000000000000000000000315012222653425020540 0ustar rootrootfrom __future__ import division from . import der, ecdsa class UnknownCurveError(Exception): pass def orderlen(order): return (1+len("%x"%order))//2 # bytes # the NIST curves class Curve: def __init__(self, name, curve, generator, oid): self.name = name self.curve = curve self.generator = generator self.order = generator.order() self.baselen = orderlen(self.order) self.verifying_key_length = 2*self.baselen self.signature_length = 2*self.baselen self.oid = oid self.encoded_oid = der.encode_oid(*oid) NIST192p = Curve("NIST192p", ecdsa.curve_192, ecdsa.generator_192, (1, 2, 840, 10045, 3, 1, 1)) NIST224p = Curve("NIST224p", ecdsa.curve_224, ecdsa.generator_224, (1, 3, 132, 0, 33)) NIST256p = Curve("NIST256p", ecdsa.curve_256, ecdsa.generator_256, (1, 2, 840, 10045, 3, 1, 7)) NIST384p = Curve("NIST384p", ecdsa.curve_384, ecdsa.generator_384, (1, 3, 132, 0, 34)) NIST521p = Curve("NIST521p", ecdsa.curve_521, ecdsa.generator_521, (1, 3, 132, 0, 35)) SECP256k1 = Curve("SECP256k1", ecdsa.curve_secp256k1, ecdsa.generator_secp256k1, (1, 3, 132, 0, 10)) curves = [NIST192p, NIST224p, NIST256p, NIST384p, NIST521p, SECP256k1] def find_curve(oid_curve): for c in curves: if c.oid == oid_curve: return c raise UnknownCurveError("I don't know about the curve with oid %s." "I only know about these: %s" % (oid_curve, [c.name for c in curves])) usr/lib64/python2.7/site-packages/ecdsa/_version.py0100644000000000000000000000026212307441240021050 0ustar rootroot # This file is originally generated from Git information by running 'setup.py # version'. Distribution tarballs contain a pre-generated copy of this file. __version__ = '0.11' usr/lib64/python2.7/site-packages/ecdsa/der.py0100644000000000000000000001555712222653425020021 0ustar rootrootfrom __future__ import division import binascii import base64 from .six import int2byte, b, PY3, integer_types, text_type class UnexpectedDER(Exception): pass def encode_constructed(tag, value): return int2byte(0xa0+tag) + encode_length(len(value)) + value def encode_integer(r): assert r >= 0 # can't support negative numbers yet h = ("%x" % r).encode() if len(h) % 2: h = b("0") + h s = binascii.unhexlify(h) num = s[0] if isinstance(s[0], integer_types) else ord(s[0]) if num <= 0x7f: return b("\x02") + int2byte(len(s)) + s else: # DER integers are two's complement, so if the first byte is # 0x80-0xff then we need an extra 0x00 byte to prevent it from # looking negative. return b("\x02") + int2byte(len(s)+1) + b("\x00") + s def encode_bitstring(s): return b("\x03") + encode_length(len(s)) + s def encode_octet_string(s): return b("\x04") + encode_length(len(s)) + s def encode_oid(first, second, *pieces): assert first <= 2 assert second <= 39 encoded_pieces = [int2byte(40*first+second)] + [encode_number(p) for p in pieces] body = b('').join(encoded_pieces) return b('\x06') + encode_length(len(body)) + body def encode_sequence(*encoded_pieces): total_len = sum([len(p) for p in encoded_pieces]) return b('\x30') + encode_length(total_len) + b('').join(encoded_pieces) def encode_number(n): b128_digits = [] while n: b128_digits.insert(0, (n & 0x7f) | 0x80) n = n >> 7 if not b128_digits: b128_digits.append(0) b128_digits[-1] &= 0x7f return b('').join([int2byte(d) for d in b128_digits]) def remove_constructed(string): s0 = string[0] if isinstance(string[0], integer_types) else ord(string[0]) if (s0 & 0xe0) != 0xa0: raise UnexpectedDER("wanted constructed tag (0xa0-0xbf), got 0x%02x" % s0) tag = s0 & 0x1f length, llen = read_length(string[1:]) body = string[1+llen:1+llen+length] rest = string[1+llen+length:] return tag, body, rest def remove_sequence(string): if not string.startswith(b("\x30")): n = string[0] if isinstance(string[0], integer_types) else ord(string[0]) raise UnexpectedDER("wanted sequence (0x30), got 0x%02x" % n) length, lengthlength = read_length(string[1:]) endseq = 1+lengthlength+length return string[1+lengthlength:endseq], string[endseq:] def remove_octet_string(string): if not string.startswith(b("\x04")): n = string[0] if isinstance(string[0], integer_types) else ord(string[0]) raise UnexpectedDER("wanted octetstring (0x04), got 0x%02x" % n) length, llen = read_length(string[1:]) body = string[1+llen:1+llen+length] rest = string[1+llen+length:] return body, rest def remove_object(string): if not string.startswith(b("\x06")): n = string[0] if isinstance(string[0], integer_types) else ord(string[0]) raise UnexpectedDER("wanted object (0x06), got 0x%02x" % n) length, lengthlength = read_length(string[1:]) body = string[1+lengthlength:1+lengthlength+length] rest = string[1+lengthlength+length:] numbers = [] while body: n, ll = read_number(body) numbers.append(n) body = body[ll:] n0 = numbers.pop(0) first = n0//40 second = n0-(40*first) numbers.insert(0, first) numbers.insert(1, second) return tuple(numbers), rest def remove_integer(string): if not string.startswith(b("\x02")): n = string[0] if isinstance(string[0], integer_types) else ord(string[0]) raise UnexpectedDER("wanted integer (0x02), got 0x%02x" % n) length, llen = read_length(string[1:]) numberbytes = string[1+llen:1+llen+length] rest = string[1+llen+length:] nbytes = numberbytes[0] if isinstance(numberbytes[0], integer_types) else ord(numberbytes[0]) assert nbytes < 0x80 # can't support negative numbers yet return int(binascii.hexlify(numberbytes), 16), rest def read_number(string): number = 0 llen = 0 # base-128 big endian, with b7 set in all but the last byte while True: if llen > len(string): raise UnexpectedDER("ran out of length bytes") number = number << 7 d = string[llen] if isinstance(string[llen], integer_types) else ord(string[llen]) number += (d & 0x7f) llen += 1 if not d & 0x80: break return number, llen def encode_length(l): assert l >= 0 if l < 0x80: return int2byte(l) s = ("%x" % l).encode() if len(s)%2: s = b("0")+s s = binascii.unhexlify(s) llen = len(s) return int2byte(0x80|llen) + s def read_length(string): num = string[0] if isinstance(string[0], integer_types) else ord(string[0]) if not (num & 0x80): # short form return (num & 0x7f), 1 # else long-form: b0&0x7f is number of additional base256 length bytes, # big-endian llen = num & 0x7f if llen > len(string)-1: raise UnexpectedDER("ran out of length bytes") return int(binascii.hexlify(string[1:1+llen]), 16), 1+llen def remove_bitstring(string): num = string[0] if isinstance(string[0], integer_types) else ord(string[0]) if not string.startswith(b("\x03")): raise UnexpectedDER("wanted bitstring (0x03), got 0x%02x" % num) length, llen = read_length(string[1:]) body = string[1+llen:1+llen+length] rest = string[1+llen+length:] return body, rest # SEQUENCE([1, STRING(secexp), cont[0], OBJECT(curvename), cont[1], BINTSTRING) # signatures: (from RFC3279) # ansi-X9-62 OBJECT IDENTIFIER ::= { # iso(1) member-body(2) us(840) 10045 } # # id-ecSigType OBJECT IDENTIFIER ::= { # ansi-X9-62 signatures(4) } # ecdsa-with-SHA1 OBJECT IDENTIFIER ::= { # id-ecSigType 1 } ## so 1,2,840,10045,4,1 ## so 0x42, .. .. # Ecdsa-Sig-Value ::= SEQUENCE { # r INTEGER, # s INTEGER } # id-public-key-type OBJECT IDENTIFIER ::= { ansi-X9.62 2 } # # id-ecPublicKey OBJECT IDENTIFIER ::= { id-publicKeyType 1 } # I think the secp224r1 identifier is (t=06,l=05,v=2b81040021) # secp224r1 OBJECT IDENTIFIER ::= { # iso(1) identified-organization(3) certicom(132) curve(0) 33 } # and the secp384r1 is (t=06,l=05,v=2b81040022) # secp384r1 OBJECT IDENTIFIER ::= { # iso(1) identified-organization(3) certicom(132) curve(0) 34 } def unpem(pem): if isinstance(pem, text_type): pem = pem.encode() d = b("").join([l.strip() for l in pem.split(b("\n")) if l and not l.startswith(b("-----"))]) return base64.b64decode(d) def topem(der, name): b64 = base64.b64encode(der) lines = [("-----BEGIN %s-----\n" % name).encode()] lines.extend([b64[start:start+64]+b("\n") for start in range(0, len(b64), 64)]) lines.append(("-----END %s-----\n" % name).encode()) return b("").join(lines) usr/lib64/python2.7/site-packages/ecdsa/__init__.pyc0100644000000000000000000000145512311676135021143 0ustar rootroot BhRc @sdddddddddg Zd d lmZmZmZmZd d lmZmZm Z m Z m Z m Z eeeeeee e e e g Z [ yd d lmZeZ[Wnek rdZnXdS(tcurvestdertecdsat ellipticcurvetkeyst numbertheoryt test_pyecdsatutiltsixi(t SigningKeyt VerifyingKeytBadSignatureErrortBadDigestError(tNIST192ptNIST224ptNIST256ptNIST384ptNIST521pt SECP256k1i(t __version__tUNKNOWNN(t__all__RR R R R RR RRRRRt_hush_pyflakest_versionRtvt ImportError(((s4/usr/lib64/python2.7/site-packages/ecdsa/__init__.pyts".  usr/lib64/python2.7/site-packages/ecdsa/curves.pyc0100644000000000000000000000463512311676135020716 0ustar rootroot WKRc @ sddlmZddlmZmZdefdYZdZdddYZed ej ej dZ edej ej dZedejejdZedejejd Zedejejd!Zedejejd"Ze eeeeegZdZdS(#i(tdivisioni(tdertecdsatUnknownCurveErrorcB seZRS((t__name__t __module__(((s2/usr/lib64/python2.7/site-packages/ecdsa/curves.pyRscC sdtd|dS(Nis%xi(tlen(torder((s2/usr/lib64/python2.7/site-packages/ecdsa/curves.pytorderlenstCurvecB seZdZRS(cC s{||_||_||_|j|_t|j|_d|j|_d|j|_||_t j ||_ dS(Ni( tnametcurvet generatorRRtbaselentverifying_key_lengthtsignature_lengthtoidRt encode_oidt encoded_oid(tselfR R R R((s2/usr/lib64/python2.7/site-packages/ecdsa/curves.pyt__init__ s    (RRR(((s2/usr/lib64/python2.7/site-packages/ecdsa/curves.pyR stNIST192piiHi='itNIST224piii!tNIST256pitNIST384pi"tNIST521pi#t SECP256k1i cC sTx!tD]}|j|kr|SqWtd|gtD]}|j^q4fdS(NsDI don't know about the curve with oid %s.I only know about these: %s(tcurvesRRR (t oid_curvetc((s2/usr/lib64/python2.7/site-packages/ecdsa/curves.pyt find_curve(s  N((iiiHi='iii(iiiii!(iiiHi='iii(iiiii"(iiiii#(iiiii (t __future__RtRRt ExceptionRRR t curve_192t generator_192Rt curve_224t generator_224Rt curve_256t generator_256Rt curve_384t generator_384Rt curve_521t generator_521Rtcurve_secp256k1tgenerator_secp256k1RRR(((s2/usr/lib64/python2.7/site-packages/ecdsa/curves.pyts&         usr/lib64/python2.7/site-packages/ecdsa/test_pyecdsa.py0100644000000000000000000007030412222655520021723 0ustar rootrootfrom __future__ import with_statement, division import unittest import os import time import shutil import subprocess from binascii import hexlify, unhexlify from hashlib import sha1, sha256, sha512 from .six import b, print_, binary_type from .keys import SigningKey, VerifyingKey from .keys import BadSignatureError from . import util from .util import sigencode_der, sigencode_strings from .util import sigdecode_der, sigdecode_strings from .curves import Curve, UnknownCurveError from .curves import NIST192p, NIST224p, NIST256p, NIST384p, NIST521p, SECP256k1 from .ellipticcurve import Point from . import der from . import rfc6979 class SubprocessError(Exception): pass def run_openssl(cmd): OPENSSL = "openssl" p = subprocess.Popen([OPENSSL] + cmd.split(), stdout=subprocess.PIPE, stderr=subprocess.STDOUT) stdout, ignored = p.communicate() if p.returncode != 0: raise SubprocessError("cmd '%s %s' failed: rc=%s, stdout/err was %s" % (OPENSSL, cmd, p.returncode, stdout)) return stdout.decode() BENCH = False class ECDSA(unittest.TestCase): def test_basic(self): priv = SigningKey.generate() pub = priv.get_verifying_key() data = b("blahblah") sig = priv.sign(data) self.assertTrue(pub.verify(sig, data)) self.assertRaises(BadSignatureError, pub.verify, sig, data+b("bad")) pub2 = VerifyingKey.from_string(pub.to_string()) self.assertTrue(pub2.verify(sig, data)) def test_deterministic(self): data = b("blahblah") secexp = int("9d0219792467d7d37b4d43298a7d0c05", 16) priv = SigningKey.from_secret_exponent(secexp, SECP256k1, sha256) pub = priv.get_verifying_key() k = rfc6979.generate_k(SECP256k1.generator, secexp, sha256, sha256(data).digest()) sig1 = priv.sign(data, k=k) self.assertTrue(pub.verify(sig1, data)) sig2 = priv.sign(data, k=k) self.assertTrue(pub.verify(sig2, data)) sig3 = priv.sign_deterministic(data, sha256) self.assertTrue(pub.verify(sig3, data)) self.assertEqual(sig1, sig2) self.assertEqual(sig1, sig3) def test_bad_usage(self): # sk=SigningKey() is wrong self.assertRaises(TypeError, SigningKey) self.assertRaises(TypeError, VerifyingKey) def test_lengths(self): default = NIST192p priv = SigningKey.generate() pub = priv.get_verifying_key() self.assertEqual(len(pub.to_string()), default.verifying_key_length) sig = priv.sign(b("data")) self.assertEqual(len(sig), default.signature_length) if BENCH: print_() for curve in (NIST192p, NIST224p, NIST256p, NIST384p, NIST521p): start = time.time() priv = SigningKey.generate(curve=curve) pub1 = priv.get_verifying_key() keygen_time = time.time() - start pub2 = VerifyingKey.from_string(pub1.to_string(), curve) self.assertEqual(pub1.to_string(), pub2.to_string()) self.assertEqual(len(pub1.to_string()), curve.verifying_key_length) start = time.time() sig = priv.sign(b("data")) sign_time = time.time() - start self.assertEqual(len(sig), curve.signature_length) if BENCH: start = time.time() pub1.verify(sig, b("data")) verify_time = time.time() - start print_("%s: siglen=%d, keygen=%0.3fs, sign=%0.3f, verify=%0.3f" \ % (curve.name, curve.signature_length, keygen_time, sign_time, verify_time)) def test_serialize(self): seed = b("secret") curve = NIST192p secexp1 = util.randrange_from_seed__trytryagain(seed, curve.order) secexp2 = util.randrange_from_seed__trytryagain(seed, curve.order) self.assertEqual(secexp1, secexp2) priv1 = SigningKey.from_secret_exponent(secexp1, curve) priv2 = SigningKey.from_secret_exponent(secexp2, curve) self.assertEqual(hexlify(priv1.to_string()), hexlify(priv2.to_string())) self.assertEqual(priv1.to_pem(), priv2.to_pem()) pub1 = priv1.get_verifying_key() pub2 = priv2.get_verifying_key() data = b("data") sig1 = priv1.sign(data) sig2 = priv2.sign(data) self.assertTrue(pub1.verify(sig1, data)) self.assertTrue(pub2.verify(sig1, data)) self.assertTrue(pub1.verify(sig2, data)) self.assertTrue(pub2.verify(sig2, data)) self.assertEqual(hexlify(pub1.to_string()), hexlify(pub2.to_string())) def test_nonrandom(self): s = b("all the entropy in the entire world, compressed into one line") def not_much_entropy(numbytes): return s[:numbytes] # we control the entropy source, these two keys should be identical: priv1 = SigningKey.generate(entropy=not_much_entropy) priv2 = SigningKey.generate(entropy=not_much_entropy) self.assertEqual(hexlify(priv1.get_verifying_key().to_string()), hexlify(priv2.get_verifying_key().to_string())) # likewise, signatures should be identical. Obviously you'd never # want to do this with keys you care about, because the secrecy of # the private key depends upon using different random numbers for # each signature sig1 = priv1.sign(b("data"), entropy=not_much_entropy) sig2 = priv2.sign(b("data"), entropy=not_much_entropy) self.assertEqual(hexlify(sig1), hexlify(sig2)) def assertTruePrivkeysEqual(self, priv1, priv2): self.assertEqual(priv1.privkey.secret_multiplier, priv2.privkey.secret_multiplier) self.assertEqual(priv1.privkey.public_key.generator, priv2.privkey.public_key.generator) def failIfPrivkeysEqual(self, priv1, priv2): self.failIfEqual(priv1.privkey.secret_multiplier, priv2.privkey.secret_multiplier) def test_privkey_creation(self): s = b("all the entropy in the entire world, compressed into one line") def not_much_entropy(numbytes): return s[:numbytes] priv1 = SigningKey.generate() self.assertEqual(priv1.baselen, NIST192p.baselen) priv1 = SigningKey.generate(curve=NIST224p) self.assertEqual(priv1.baselen, NIST224p.baselen) priv1 = SigningKey.generate(entropy=not_much_entropy) self.assertEqual(priv1.baselen, NIST192p.baselen) priv2 = SigningKey.generate(entropy=not_much_entropy) self.assertEqual(priv2.baselen, NIST192p.baselen) self.assertTruePrivkeysEqual(priv1, priv2) priv1 = SigningKey.from_secret_exponent(secexp=3) self.assertEqual(priv1.baselen, NIST192p.baselen) priv2 = SigningKey.from_secret_exponent(secexp=3) self.assertTruePrivkeysEqual(priv1, priv2) priv1 = SigningKey.from_secret_exponent(secexp=4, curve=NIST224p) self.assertEqual(priv1.baselen, NIST224p.baselen) def test_privkey_strings(self): priv1 = SigningKey.generate() s1 = priv1.to_string() self.assertEqual(type(s1), binary_type) self.assertEqual(len(s1), NIST192p.baselen) priv2 = SigningKey.from_string(s1) self.assertTruePrivkeysEqual(priv1, priv2) s1 = priv1.to_pem() self.assertEqual(type(s1), binary_type) self.assertTrue(s1.startswith(b("-----BEGIN EC PRIVATE KEY-----"))) self.assertTrue(s1.strip().endswith(b("-----END EC PRIVATE KEY-----"))) priv2 = SigningKey.from_pem(s1) self.assertTruePrivkeysEqual(priv1, priv2) s1 = priv1.to_der() self.assertEqual(type(s1), binary_type) priv2 = SigningKey.from_der(s1) self.assertTruePrivkeysEqual(priv1, priv2) priv1 = SigningKey.generate(curve=NIST256p) s1 = priv1.to_pem() self.assertEqual(type(s1), binary_type) self.assertTrue(s1.startswith(b("-----BEGIN EC PRIVATE KEY-----"))) self.assertTrue(s1.strip().endswith(b("-----END EC PRIVATE KEY-----"))) priv2 = SigningKey.from_pem(s1) self.assertTruePrivkeysEqual(priv1, priv2) s1 = priv1.to_der() self.assertEqual(type(s1), binary_type) priv2 = SigningKey.from_der(s1) self.assertTruePrivkeysEqual(priv1, priv2) def assertTruePubkeysEqual(self, pub1, pub2): self.assertEqual(pub1.pubkey.point, pub2.pubkey.point) self.assertEqual(pub1.pubkey.generator, pub2.pubkey.generator) self.assertEqual(pub1.curve, pub2.curve) def test_pubkey_strings(self): priv1 = SigningKey.generate() pub1 = priv1.get_verifying_key() s1 = pub1.to_string() self.assertEqual(type(s1), binary_type) self.assertEqual(len(s1), NIST192p.verifying_key_length) pub2 = VerifyingKey.from_string(s1) self.assertTruePubkeysEqual(pub1, pub2) priv1 = SigningKey.generate(curve=NIST256p) pub1 = priv1.get_verifying_key() s1 = pub1.to_string() self.assertEqual(type(s1), binary_type) self.assertEqual(len(s1), NIST256p.verifying_key_length) pub2 = VerifyingKey.from_string(s1, curve=NIST256p) self.assertTruePubkeysEqual(pub1, pub2) pub1_der = pub1.to_der() self.assertEqual(type(pub1_der), binary_type) pub2 = VerifyingKey.from_der(pub1_der) self.assertTruePubkeysEqual(pub1, pub2) self.assertRaises(der.UnexpectedDER, VerifyingKey.from_der, pub1_der+b("junk")) badpub = VerifyingKey.from_der(pub1_der) class FakeGenerator: def order(self): return 123456789 badcurve = Curve("unknown", None, FakeGenerator(), (1,2,3,4,5,6)) badpub.curve = badcurve badder = badpub.to_der() self.assertRaises(UnknownCurveError, VerifyingKey.from_der, badder) pem = pub1.to_pem() self.assertEqual(type(pem), binary_type) self.assertTrue(pem.startswith(b("-----BEGIN PUBLIC KEY-----")), pem) self.assertTrue(pem.strip().endswith(b("-----END PUBLIC KEY-----")), pem) pub2 = VerifyingKey.from_pem(pem) self.assertTruePubkeysEqual(pub1, pub2) def test_signature_strings(self): priv1 = SigningKey.generate() pub1 = priv1.get_verifying_key() data = b("data") sig = priv1.sign(data) self.assertEqual(type(sig), binary_type) self.assertEqual(len(sig), NIST192p.signature_length) self.assertTrue(pub1.verify(sig, data)) sig = priv1.sign(data, sigencode=sigencode_strings) self.assertEqual(type(sig), tuple) self.assertEqual(len(sig), 2) self.assertEqual(type(sig[0]), binary_type) self.assertEqual(type(sig[1]), binary_type) self.assertEqual(len(sig[0]), NIST192p.baselen) self.assertEqual(len(sig[1]), NIST192p.baselen) self.assertTrue(pub1.verify(sig, data, sigdecode=sigdecode_strings)) sig_der = priv1.sign(data, sigencode=sigencode_der) self.assertEqual(type(sig_der), binary_type) self.assertTrue(pub1.verify(sig_der, data, sigdecode=sigdecode_der)) def test_hashfunc(self): sk = SigningKey.generate(curve=NIST256p, hashfunc=sha256) data = b("security level is 128 bits") sig = sk.sign(data) vk = VerifyingKey.from_string(sk.get_verifying_key().to_string(), curve=NIST256p, hashfunc=sha256) self.assertTrue(vk.verify(sig, data)) sk2 = SigningKey.generate(curve=NIST256p) sig2 = sk2.sign(data, hashfunc=sha256) vk2 = VerifyingKey.from_string(sk2.get_verifying_key().to_string(), curve=NIST256p, hashfunc=sha256) self.assertTrue(vk2.verify(sig2, data)) vk3 = VerifyingKey.from_string(sk.get_verifying_key().to_string(), curve=NIST256p) self.assertTrue(vk3.verify(sig, data, hashfunc=sha256)) class OpenSSL(unittest.TestCase): # test interoperability with OpenSSL tools. Note that openssl's ECDSA # sign/verify arguments changed between 0.9.8 and 1.0.0: the early # versions require "-ecdsa-with-SHA1", the later versions want just # "-SHA1" (or to leave out that argument entirely, which means the # signature will use some default digest algorithm, probably determined # by the key, probably always SHA1). # # openssl ecparam -name secp224r1 -genkey -out privkey.pem # openssl ec -in privkey.pem -text -noout # get the priv/pub keys # openssl dgst -ecdsa-with-SHA1 -sign privkey.pem -out data.sig data.txt # openssl asn1parse -in data.sig -inform DER # data.sig is 64 bytes, probably 56b plus ASN1 overhead # openssl dgst -ecdsa-with-SHA1 -prverify privkey.pem -signature data.sig data.txt ; echo $? # openssl ec -in privkey.pem -pubout -out pubkey.pem # openssl ec -in privkey.pem -pubout -outform DER -out pubkey.der def get_openssl_messagedigest_arg(self): v = run_openssl("version") # e.g. "OpenSSL 1.0.0 29 Mar 2010", or "OpenSSL 1.0.0a 1 Jun 2010", # or "OpenSSL 0.9.8o 01 Jun 2010" vs = v.split()[1].split(".") if vs >= ["1","0","0"]: return "-SHA1" else: return "-ecdsa-with-SHA1" # sk: 1:OpenSSL->python 2:python->OpenSSL # vk: 3:OpenSSL->python 4:python->OpenSSL # sig: 5:OpenSSL->python 6:python->OpenSSL def test_from_openssl_nist192p(self): return self.do_test_from_openssl(NIST192p, "prime192v1") def test_from_openssl_nist224p(self): return self.do_test_from_openssl(NIST224p, "secp224r1") def test_from_openssl_nist384p(self): return self.do_test_from_openssl(NIST384p, "secp384r1") def test_from_openssl_nist521p(self): return self.do_test_from_openssl(NIST521p, "secp521r1") def do_test_from_openssl(self, curve, curvename): # OpenSSL: create sk, vk, sign. # Python: read vk(3), checksig(5), read sk(1), sign, check mdarg = self.get_openssl_messagedigest_arg() if os.path.isdir("t"): shutil.rmtree("t") os.mkdir("t") run_openssl("ecparam -name %s -genkey -out t/privkey.pem" % curvename) run_openssl("ec -in t/privkey.pem -pubout -out t/pubkey.pem") data = b("data") with open("t/data.txt","wb") as e: e.write(data) run_openssl("dgst %s -sign t/privkey.pem -out t/data.sig t/data.txt" % mdarg) run_openssl("dgst %s -verify t/pubkey.pem -signature t/data.sig t/data.txt" % mdarg) with open("t/pubkey.pem","rb") as e: pubkey_pem = e.read() vk = VerifyingKey.from_pem(pubkey_pem) # 3 with open("t/data.sig","rb") as e: sig_der = e.read() self.assertTrue(vk.verify(sig_der, data, # 5 hashfunc=sha1, sigdecode=sigdecode_der)) with open("t/privkey.pem") as e: fp = e.read() sk = SigningKey.from_pem(fp) # 1 sig = sk.sign(data) self.assertTrue(vk.verify(sig, data)) def test_to_openssl_nist192p(self): self.do_test_to_openssl(NIST192p, "prime192v1") def test_to_openssl_nist224p(self): self.do_test_to_openssl(NIST224p, "secp224r1") def test_to_openssl_nist384p(self): self.do_test_to_openssl(NIST384p, "secp384r1") def test_to_openssl_nist521p(self): self.do_test_to_openssl(NIST521p, "secp521r1") def do_test_to_openssl(self, curve, curvename): # Python: create sk, vk, sign. # OpenSSL: read vk(4), checksig(6), read sk(2), sign, check mdarg = self.get_openssl_messagedigest_arg() if os.path.isdir("t"): shutil.rmtree("t") os.mkdir("t") sk = SigningKey.generate(curve=curve) vk = sk.get_verifying_key() data = b("data") with open("t/pubkey.der","wb") as e: e.write(vk.to_der()) # 4 with open("t/pubkey.pem","wb") as e: e.write(vk.to_pem()) # 4 sig_der = sk.sign(data, hashfunc=sha1, sigencode=sigencode_der) with open("t/data.sig","wb") as e: e.write(sig_der) # 6 with open("t/data.txt","wb") as e: e.write(data) with open("t/baddata.txt","wb") as e: e.write(data+b("corrupt")) self.assertRaises(SubprocessError, run_openssl, "dgst %s -verify t/pubkey.der -keyform DER -signature t/data.sig t/baddata.txt" % mdarg) run_openssl("dgst %s -verify t/pubkey.der -keyform DER -signature t/data.sig t/data.txt" % mdarg) with open("t/privkey.pem","wb") as e: e.write(sk.to_pem()) # 2 run_openssl("dgst %s -sign t/privkey.pem -out t/data.sig2 t/data.txt" % mdarg) run_openssl("dgst %s -verify t/pubkey.pem -signature t/data.sig2 t/data.txt" % mdarg) class DER(unittest.TestCase): def test_oids(self): oid_ecPublicKey = der.encode_oid(1, 2, 840, 10045, 2, 1) self.assertEqual(hexlify(oid_ecPublicKey), b("06072a8648ce3d0201")) self.assertEqual(hexlify(NIST224p.encoded_oid), b("06052b81040021")) self.assertEqual(hexlify(NIST256p.encoded_oid), b("06082a8648ce3d030107")) x = oid_ecPublicKey + b("more") x1, rest = der.remove_object(x) self.assertEqual(x1, (1, 2, 840, 10045, 2, 1)) self.assertEqual(rest, b("more")) def test_integer(self): self.assertEqual(der.encode_integer(0), b("\x02\x01\x00")) self.assertEqual(der.encode_integer(1), b("\x02\x01\x01")) self.assertEqual(der.encode_integer(127), b("\x02\x01\x7f")) self.assertEqual(der.encode_integer(128), b("\x02\x02\x00\x80")) self.assertEqual(der.encode_integer(256), b("\x02\x02\x01\x00")) #self.assertEqual(der.encode_integer(-1), b("\x02\x01\xff")) def s(n): return der.remove_integer(der.encode_integer(n) + b("junk")) self.assertEqual(s(0), (0, b("junk"))) self.assertEqual(s(1), (1, b("junk"))) self.assertEqual(s(127), (127, b("junk"))) self.assertEqual(s(128), (128, b("junk"))) self.assertEqual(s(256), (256, b("junk"))) self.assertEqual(s(1234567890123456789012345678901234567890), (1234567890123456789012345678901234567890,b("junk"))) def test_number(self): self.assertEqual(der.encode_number(0), b("\x00")) self.assertEqual(der.encode_number(127), b("\x7f")) self.assertEqual(der.encode_number(128), b("\x81\x00")) self.assertEqual(der.encode_number(3*128+7), b("\x83\x07")) #self.assertEqual(der.read_number("\x81\x9b"+"more"), (155, 2)) #self.assertEqual(der.encode_number(155), b("\x81\x9b")) for n in (0, 1, 2, 127, 128, 3*128+7, 840, 10045): #, 155): x = der.encode_number(n) + b("more") n1, llen = der.read_number(x) self.assertEqual(n1, n) self.assertEqual(x[llen:], b("more")) def test_length(self): self.assertEqual(der.encode_length(0), b("\x00")) self.assertEqual(der.encode_length(127), b("\x7f")) self.assertEqual(der.encode_length(128), b("\x81\x80")) self.assertEqual(der.encode_length(255), b("\x81\xff")) self.assertEqual(der.encode_length(256), b("\x82\x01\x00")) self.assertEqual(der.encode_length(3*256+7), b("\x82\x03\x07")) self.assertEqual(der.read_length(b("\x81\x9b")+b("more")), (155, 2)) self.assertEqual(der.encode_length(155), b("\x81\x9b")) for n in (0, 1, 2, 127, 128, 255, 256, 3*256+7, 155): x = der.encode_length(n) + b("more") n1, llen = der.read_length(x) self.assertEqual(n1, n) self.assertEqual(x[llen:], b("more")) def test_sequence(self): x = der.encode_sequence(b("ABC"), b("DEF")) + b("GHI") self.assertEqual(x, b("\x30\x06ABCDEFGHI")) x1, rest = der.remove_sequence(x) self.assertEqual(x1, b("ABCDEF")) self.assertEqual(rest, b("GHI")) def test_constructed(self): x = der.encode_constructed(0, NIST224p.encoded_oid) self.assertEqual(hexlify(x), b("a007") + b("06052b81040021")) x = der.encode_constructed(1, unhexlify(b("0102030a0b0c"))) self.assertEqual(hexlify(x), b("a106") + b("0102030a0b0c")) class Util(unittest.TestCase): def test_trytryagain(self): tta = util.randrange_from_seed__trytryagain for i in range(1000): seed = "seed-%d" % i for order in (2**8-2, 2**8-1, 2**8, 2**8+1, 2**8+2, 2**16-1, 2**16+1): n = tta(seed, order) self.assertTrue(1 <= n < order, (1, n, order)) # this trytryagain *does* provide long-term stability self.assertEqual(("%x"%(tta("seed", NIST224p.order))).encode(), b("6fa59d73bf0446ae8743cf748fc5ac11d5585a90356417e97155c3bc")) def test_randrange(self): # util.randrange does not provide long-term stability: we might # change the algorithm in the future. for i in range(1000): entropy = util.PRNG("seed-%d" % i) for order in (2**8-2, 2**8-1, 2**8, 2**16-1, 2**16+1, ): # that oddball 2**16+1 takes half our runtime n = util.randrange(order, entropy=entropy) self.assertTrue(1 <= n < order, (1, n, order)) def OFF_test_prove_uniformity(self): order = 2**8-2 counts = dict([(i, 0) for i in range(1, order)]) assert 0 not in counts assert order not in counts for i in range(1000000): seed = "seed-%d" % i n = util.randrange_from_seed__trytryagain(seed, order) counts[n] += 1 # this technique should use the full range self.assertTrue(counts[order-1]) for i in range(1, order): print_("%3d: %s" % (i, "*"*(counts[i]//100))) class RFC6979(unittest.TestCase): # https://tools.ietf.org/html/rfc6979#appendix-A.1 def _do(self, generator, secexp, hsh, hash_func, expected): actual = rfc6979.generate_k(generator, secexp, hash_func, hsh) self.assertEqual(expected, actual) def test_SECP256k1(self): '''RFC doesn't contain test vectors for SECP256k1 used in bitcoin. This vector has been computed by Golang reference implementation instead.''' self._do( generator = SECP256k1.generator, secexp = int("9d0219792467d7d37b4d43298a7d0c05", 16), hsh = sha256(b("sample")).digest(), hash_func = sha256, expected = int("8fa1f95d514760e498f28957b824ee6ec39ed64826ff4fecc2b5739ec45b91cd", 16)) def test_SECP256k1_2(self): self._do( generator=SECP256k1.generator, secexp=int("cca9fbcc1b41e5a95d369eaa6ddcff73b61a4efaa279cfc6567e8daa39cbaf50", 16), hsh=sha256(b("sample")).digest(), hash_func=sha256, expected=int("2df40ca70e639d89528a6b670d9d48d9165fdc0febc0974056bdce192b8e16a3", 16)) def test_SECP256k1_3(self): self._do( generator=SECP256k1.generator, secexp=0x1, hsh=sha256(b("Satoshi Nakamoto")).digest(), hash_func=sha256, expected=0x8F8A276C19F4149656B280621E358CCE24F5F52542772691EE69063B74F15D15) def test_SECP256k1_4(self): self._do( generator=SECP256k1.generator, secexp=0x1, hsh=sha256(b("All those moments will be lost in time, like tears in rain. Time to die...")).digest(), hash_func=sha256, expected=0x38AA22D72376B4DBC472E06C3BA403EE0A394DA63FC58D88686C611ABA98D6B3) def test_SECP256k1_5(self): self._do( generator=SECP256k1.generator, secexp=0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140, hsh=sha256(b("Satoshi Nakamoto")).digest(), hash_func=sha256, expected=0x33A19B60E25FB6F4435AF53A3D42D493644827367E6453928554F43E49AA6F90) def test_SECP256k1_6(self): self._do( generator=SECP256k1.generator, secexp=0xf8b8af8ce3c7cca5e300d33939540c10d45ce001b8f252bfbc57ba0342904181, hsh=sha256(b("Alan Turing")).digest(), hash_func=sha256, expected=0x525A82B70E67874398067543FD84C83D30C175FDC45FDEEE082FE13B1D7CFDF1) def test_1(self): # Basic example of the RFC, it also tests 'try-try-again' from Step H of rfc6979 self._do( generator = Point(None, 0, 0, int("4000000000000000000020108A2E0CC0D99F8A5EF", 16)), secexp = int("09A4D6792295A7F730FC3F2B49CBC0F62E862272F", 16), hsh = unhexlify(b("AF2BDBE1AA9B6EC1E2ADE1D694F41FC71A831D0268E9891562113D8A62ADD1BF")), hash_func = sha256, expected = int("23AF4074C90A02B3FE61D286D5C87F425E6BDD81B", 16)) def test_2(self): self._do( generator=NIST192p.generator, secexp = int("6FAB034934E4C0FC9AE67F5B5659A9D7D1FEFD187EE09FD4", 16), hsh = sha1(b("sample")).digest(), hash_func = sha1, expected = int("37D7CA00D2C7B0E5E412AC03BD44BA837FDD5B28CD3B0021", 16)) def test_3(self): self._do( generator=NIST192p.generator, secexp = int("6FAB034934E4C0FC9AE67F5B5659A9D7D1FEFD187EE09FD4", 16), hsh = sha256(b("sample")).digest(), hash_func = sha256, expected = int("32B1B6D7D42A05CB449065727A84804FB1A3E34D8F261496", 16)) def test_4(self): self._do( generator=NIST192p.generator, secexp = int("6FAB034934E4C0FC9AE67F5B5659A9D7D1FEFD187EE09FD4", 16), hsh = sha512(b("sample")).digest(), hash_func = sha512, expected = int("A2AC7AB055E4F20692D49209544C203A7D1F2C0BFBC75DB1", 16)) def test_5(self): self._do( generator=NIST192p.generator, secexp = int("6FAB034934E4C0FC9AE67F5B5659A9D7D1FEFD187EE09FD4", 16), hsh = sha1(b("test")).digest(), hash_func = sha1, expected = int("D9CF9C3D3297D3260773A1DA7418DB5537AB8DD93DE7FA25", 16)) def test_6(self): self._do( generator=NIST192p.generator, secexp = int("6FAB034934E4C0FC9AE67F5B5659A9D7D1FEFD187EE09FD4", 16), hsh = sha256(b("test")).digest(), hash_func = sha256, expected = int("5C4CE89CF56D9E7C77C8585339B006B97B5F0680B4306C6C", 16)) def test_7(self): self._do( generator=NIST192p.generator, secexp = int("6FAB034934E4C0FC9AE67F5B5659A9D7D1FEFD187EE09FD4", 16), hsh = sha512(b("test")).digest(), hash_func = sha512, expected = int("0758753A5254759C7CFBAD2E2D9B0792EEE44136C9480527", 16)) def test_8(self): self._do( generator=NIST521p.generator, secexp = int("0FAD06DAA62BA3B25D2FB40133DA757205DE67F5BB0018FEE8C86E1B68C7E75CAA896EB32F1F47C70855836A6D16FCC1466F6D8FBEC67DB89EC0C08B0E996B83538", 16), hsh = sha1(b("sample")).digest(), hash_func = sha1, expected = int("089C071B419E1C2820962321787258469511958E80582E95D8378E0C2CCDB3CB42BEDE42F50E3FA3C71F5A76724281D31D9C89F0F91FC1BE4918DB1C03A5838D0F9", 16)) def test_9(self): self._do( generator=NIST521p.generator, secexp = int("0FAD06DAA62BA3B25D2FB40133DA757205DE67F5BB0018FEE8C86E1B68C7E75CAA896EB32F1F47C70855836A6D16FCC1466F6D8FBEC67DB89EC0C08B0E996B83538", 16), hsh = sha256(b("sample")).digest(), hash_func = sha256, expected = int("0EDF38AFCAAECAB4383358B34D67C9F2216C8382AAEA44A3DAD5FDC9C32575761793FEF24EB0FC276DFC4F6E3EC476752F043CF01415387470BCBD8678ED2C7E1A0", 16)) def test_10(self): self._do( generator=NIST521p.generator, secexp = int("0FAD06DAA62BA3B25D2FB40133DA757205DE67F5BB0018FEE8C86E1B68C7E75CAA896EB32F1F47C70855836A6D16FCC1466F6D8FBEC67DB89EC0C08B0E996B83538", 16), hsh = sha512(b("test")).digest(), hash_func = sha512, expected = int("16200813020EC986863BEDFC1B121F605C1215645018AEA1A7B215A564DE9EB1B38A67AA1128B80CE391C4FB71187654AAA3431027BFC7F395766CA988C964DC56D", 16)) def __main__(): unittest.main() if __name__ == "__main__": __main__() usr/lib64/python2.7/site-packages/ecdsa/ecdsa.py0100644000000000000000000005741012222656452020323 0ustar rootroot#! /usr/bin/env python """ Implementation of Elliptic-Curve Digital Signatures. Classes and methods for elliptic-curve signatures: private keys, public keys, signatures, NIST prime-modulus curves with modulus lengths of 192, 224, 256, 384, and 521 bits. Example: # (In real-life applications, you would probably want to # protect against defects in SystemRandom.) from random import SystemRandom randrange = SystemRandom().randrange # Generate a public/private key pair using the NIST Curve P-192: g = generator_192 n = g.order() secret = randrange( 1, n ) pubkey = Public_key( g, g * secret ) privkey = Private_key( pubkey, secret ) # Signing a hash value: hash = randrange( 1, n ) signature = privkey.sign( hash, randrange( 1, n ) ) # Verifying a signature for a hash value: if pubkey.verifies( hash, signature ): print_("Demo verification succeeded.") else: print_("*** Demo verification failed.") # Verification fails if the hash value is modified: if pubkey.verifies( hash-1, signature ): print_("**** Demo verification failed to reject tampered hash.") else: print_("Demo verification correctly rejected tampered hash.") Version of 2009.05.16. Revision history: 2005.12.31 - Initial version. 2008.11.25 - Substantial revisions introducing new classes. 2009.05.16 - Warn against using random.randrange in real applications. 2009.05.17 - Use random.SystemRandom by default. Written in 2005 by Peter Pearson and placed in the public domain. """ from .six import int2byte, b, print_ from . import ellipticcurve from . import numbertheory import random class Signature( object ): """ECDSA signature. """ def __init__( self, r, s ): self.r = r self.s = s class Public_key( object ): """Public key for ECDSA. """ def __init__( self, generator, point ): """generator is the Point that generates the group, point is the Point that defines the public key. """ self.curve = generator.curve() self.generator = generator self.point = point n = generator.order() if not n: raise RuntimeError("Generator point must have order.") if not n * point == ellipticcurve.INFINITY: raise RuntimeError("Generator point order is bad.") if point.x() < 0 or n <= point.x() or point.y() < 0 or n <= point.y(): raise RuntimeError("Generator point has x or y out of range.") def verifies( self, hash, signature ): """Verify that signature is a valid signature of hash. Return True if the signature is valid. """ # From X9.62 J.3.1. G = self.generator n = G.order() r = signature.r s = signature.s if r < 1 or r > n-1: return False if s < 1 or s > n-1: return False c = numbertheory.inverse_mod( s, n ) u1 = ( hash * c ) % n u2 = ( r * c ) % n xy = u1 * G + u2 * self.point v = xy.x() % n return v == r class Private_key( object ): """Private key for ECDSA. """ def __init__( self, public_key, secret_multiplier ): """public_key is of class Public_key; secret_multiplier is a large integer. """ self.public_key = public_key self.secret_multiplier = secret_multiplier def sign( self, hash, random_k ): """Return a signature for the provided hash, using the provided random nonce. It is absolutely vital that random_k be an unpredictable number in the range [1, self.public_key.point.order()-1]. If an attacker can guess random_k, he can compute our private key from a single signature. Also, if an attacker knows a few high-order bits (or a few low-order bits) of random_k, he can compute our private key from many signatures. The generation of nonces with adequate cryptographic strength is very difficult and far beyond the scope of this comment. May raise RuntimeError, in which case retrying with a new random value k is in order. """ G = self.public_key.generator n = G.order() k = random_k % n p1 = k * G r = p1.x() if r == 0: raise RuntimeError("amazingly unlucky random number r") s = ( numbertheory.inverse_mod( k, n ) * \ ( hash + ( self.secret_multiplier * r ) % n ) ) % n if s == 0: raise RuntimeError("amazingly unlucky random number s") return Signature( r, s ) def int_to_string( x ): """Convert integer x into a string of bytes, as per X9.62.""" assert x >= 0 if x == 0: return b('\0') result = [] while x: ordinal = x & 0xFF result.append(int2byte(ordinal)) x >>= 8 result.reverse() return b('').join(result) def string_to_int( s ): """Convert a string of bytes into an integer, as per X9.62.""" result = 0 for c in s: if not isinstance(c, int): c = ord( c ) result = 256 * result + c return result def digest_integer( m ): """Convert an integer into a string of bytes, compute its SHA-1 hash, and convert the result to an integer.""" # # I don't expect this function to be used much. I wrote # it in order to be able to duplicate the examples # in ECDSAVS. # from hashlib import sha1 return string_to_int( sha1( int_to_string( m ) ).digest() ) def point_is_valid( generator, x, y ): """Is (x,y) a valid public key based on the specified generator?""" # These are the tests specified in X9.62. n = generator.order() curve = generator.curve() if x < 0 or n <= x or y < 0 or n <= y: return False if not curve.contains_point( x, y ): return False if not n*ellipticcurve.Point( curve, x, y ) == \ ellipticcurve.INFINITY: return False return True # NIST Curve P-192: _p = 6277101735386680763835789423207666416083908700390324961279 _r = 6277101735386680763835789423176059013767194773182842284081 # s = 0x3045ae6fc8422f64ed579528d38120eae12196d5L # c = 0x3099d2bbbfcb2538542dcd5fb078b6ef5f3d6fe2c745de65L _b = 0x64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1 _Gx = 0x188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012 _Gy = 0x07192b95ffc8da78631011ed6b24cdd573f977a11e794811 curve_192 = ellipticcurve.CurveFp( _p, -3, _b ) generator_192 = ellipticcurve.Point( curve_192, _Gx, _Gy, _r ) # NIST Curve P-224: _p = 26959946667150639794667015087019630673557916260026308143510066298881 _r = 26959946667150639794667015087019625940457807714424391721682722368061 # s = 0xbd71344799d5c7fcdc45b59fa3b9ab8f6a948bc5L # c = 0x5b056c7e11dd68f40469ee7f3c7a7d74f7d121116506d031218291fbL _b = 0xb4050a850c04b3abf54132565044b0b7d7bfd8ba270b39432355ffb4 _Gx =0xb70e0cbd6bb4bf7f321390b94a03c1d356c21122343280d6115c1d21 _Gy = 0xbd376388b5f723fb4c22dfe6cd4375a05a07476444d5819985007e34 curve_224 = ellipticcurve.CurveFp( _p, -3, _b ) generator_224 = ellipticcurve.Point( curve_224, _Gx, _Gy, _r ) # NIST Curve P-256: _p = 115792089210356248762697446949407573530086143415290314195533631308867097853951 _r = 115792089210356248762697446949407573529996955224135760342422259061068512044369 # s = 0xc49d360886e704936a6678e1139d26b7819f7e90L # c = 0x7efba1662985be9403cb055c75d4f7e0ce8d84a9c5114abcaf3177680104fa0dL _b = 0x5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b _Gx = 0x6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296 _Gy = 0x4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5 curve_256 = ellipticcurve.CurveFp( _p, -3, _b ) generator_256 = ellipticcurve.Point( curve_256, _Gx, _Gy, _r ) # NIST Curve P-384: _p = 39402006196394479212279040100143613805079739270465446667948293404245721771496870329047266088258938001861606973112319 _r = 39402006196394479212279040100143613805079739270465446667946905279627659399113263569398956308152294913554433653942643 # s = 0xa335926aa319a27a1d00896a6773a4827acdac73L # c = 0x79d1e655f868f02fff48dcdee14151ddb80643c1406d0ca10dfe6fc52009540a495e8042ea5f744f6e184667cc722483L _b = 0xb3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef _Gx = 0xaa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7 _Gy = 0x3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f curve_384 = ellipticcurve.CurveFp( _p, -3, _b ) generator_384 = ellipticcurve.Point( curve_384, _Gx, _Gy, _r ) # NIST Curve P-521: _p = 6864797660130609714981900799081393217269435300143305409394463459185543183397656052122559640661454554977296311391480858037121987999716643812574028291115057151 _r = 6864797660130609714981900799081393217269435300143305409394463459185543183397655394245057746333217197532963996371363321113864768612440380340372808892707005449 # s = 0xd09e8800291cb85396cc6717393284aaa0da64baL # c = 0x0b48bfa5f420a34949539d2bdfc264eeeeb077688e44fbf0ad8f6d0edb37bd6b533281000518e19f1b9ffbe0fe9ed8a3c2200b8f875e523868c70c1e5bf55bad637L _b = 0x051953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00 _Gx = 0xc6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66 _Gy = 0x11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650 curve_521 = ellipticcurve.CurveFp( _p, -3, _b ) generator_521 = ellipticcurve.Point( curve_521, _Gx, _Gy, _r ) # Certicom secp256-k1 _a = 0x0000000000000000000000000000000000000000000000000000000000000000 _b = 0x0000000000000000000000000000000000000000000000000000000000000007 _p = 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f _Gx = 0x79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798 _Gy = 0x483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 _r = 0xfffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141 curve_secp256k1 = ellipticcurve.CurveFp( _p, _a, _b) generator_secp256k1 = ellipticcurve.Point( curve_secp256k1, _Gx, _Gy, _r) def __main__(): class TestFailure(Exception): pass def test_point_validity( generator, x, y, expected ): """generator defines the curve; is (x,y) a point on this curve? "expected" is True if the right answer is Yes.""" if point_is_valid( generator, x, y ) == expected: print_("Point validity tested as expected.") else: raise TestFailure("*** Point validity test gave wrong result.") def test_signature_validity( Msg, Qx, Qy, R, S, expected ): """Msg = message, Qx and Qy represent the base point on elliptic curve c192, R and S are the signature, and "expected" is True iff the signature is expected to be valid.""" pubk = Public_key( generator_192, ellipticcurve.Point( curve_192, Qx, Qy ) ) got = pubk.verifies( digest_integer( Msg ), Signature( R, S ) ) if got == expected: print_("Signature tested as expected: got %s, expected %s." % \ ( got, expected )) else: raise TestFailure("*** Signature test failed: got %s, expected %s." % \ ( got, expected )) print_("NIST Curve P-192:") p192 = generator_192 # From X9.62: d = 651056770906015076056810763456358567190100156695615665659 Q = d * p192 if Q.x() != 0x62B12D60690CDCF330BABAB6E69763B471F994DD702D16A5: raise TestFailure("*** p192 * d came out wrong.") else: print_("p192 * d came out right.") k = 6140507067065001063065065565667405560006161556565665656654 R = k * p192 if R.x() != 0x885052380FF147B734C330C43D39B2C4A89F29B0F749FEAD \ or R.y() != 0x9CF9FA1CBEFEFB917747A3BB29C072B9289C2547884FD835: raise TestFailure("*** k * p192 came out wrong.") else: print_("k * p192 came out right.") u1 = 2563697409189434185194736134579731015366492496392189760599 u2 = 6266643813348617967186477710235785849136406323338782220568 temp = u1 * p192 + u2 * Q if temp.x() != 0x885052380FF147B734C330C43D39B2C4A89F29B0F749FEAD \ or temp.y() != 0x9CF9FA1CBEFEFB917747A3BB29C072B9289C2547884FD835: raise TestFailure("*** u1 * p192 + u2 * Q came out wrong.") else: print_("u1 * p192 + u2 * Q came out right.") e = 968236873715988614170569073515315707566766479517 pubk = Public_key( generator_192, generator_192 * d ) privk = Private_key( pubk, d ) sig = privk.sign( e, k ) r, s = sig.r, sig.s if r != 3342403536405981729393488334694600415596881826869351677613 \ or s != 5735822328888155254683894997897571951568553642892029982342: raise TestFailure("*** r or s came out wrong.") else: print_("r and s came out right.") valid = pubk.verifies( e, sig ) if valid: print_("Signature verified OK.") else: raise TestFailure("*** Signature failed verification.") valid = pubk.verifies( e-1, sig ) if not valid: print_("Forgery was correctly rejected.") else: raise TestFailure("*** Forgery was erroneously accepted.") print_("Testing point validity, as per ECDSAVS.pdf B.2.2:") test_point_validity( \ p192, \ 0xcd6d0f029a023e9aaca429615b8f577abee685d8257cc83a, \ 0x00019c410987680e9fb6c0b6ecc01d9a2647c8bae27721bacdfc, \ False ) test_point_validity( p192, \ 0x00017f2fce203639e9eaf9fb50b81fc32776b30e3b02af16c73b, \ 0x95da95c5e72dd48e229d4748d4eee658a9a54111b23b2adb, \ False ) test_point_validity( p192, \ 0x4f77f8bc7fccbadd5760f4938746d5f253ee2168c1cf2792, \ 0x000147156ff824d131629739817edb197717c41aab5c2a70f0f6, \ False ) test_point_validity( p192, \ 0xc58d61f88d905293bcd4cd0080bcb1b7f811f2ffa41979f6, \ 0x8804dc7a7c4c7f8b5d437f5156f3312ca7d6de8a0e11867f, \ True ) test_point_validity( p192, \ 0xcdf56c1aa3d8afc53c521adf3ffb96734a6a630a4a5b5a70, \ 0x97c1c44a5fb229007b5ec5d25f7413d170068ffd023caa4e, \ True ) test_point_validity( p192, \ 0x89009c0dc361c81e99280c8e91df578df88cdf4b0cdedced, \ 0x27be44a529b7513e727251f128b34262a0fd4d8ec82377b9, \ True ) test_point_validity( p192, \ 0x6a223d00bd22c52833409a163e057e5b5da1def2a197dd15, \ 0x7b482604199367f1f303f9ef627f922f97023e90eae08abf, \ True ) test_point_validity( p192, \ 0x6dccbde75c0948c98dab32ea0bc59fe125cf0fb1a3798eda, \ 0x0001171a3e0fa60cf3096f4e116b556198de430e1fbd330c8835, \ False ) test_point_validity( p192, \ 0xd266b39e1f491fc4acbbbc7d098430931cfa66d55015af12, \ 0x193782eb909e391a3148b7764e6b234aa94e48d30a16dbb2, \ False ) test_point_validity( p192, \ 0x9d6ddbcd439baa0c6b80a654091680e462a7d1d3f1ffeb43, \ 0x6ad8efc4d133ccf167c44eb4691c80abffb9f82b932b8caa, \ False ) test_point_validity( p192, \ 0x146479d944e6bda87e5b35818aa666a4c998a71f4e95edbc, \ 0xa86d6fe62bc8fbd88139693f842635f687f132255858e7f6, \ False ) test_point_validity( p192, \ 0xe594d4a598046f3598243f50fd2c7bd7d380edb055802253, \ 0x509014c0c4d6b536e3ca750ec09066af39b4c8616a53a923, \ False ) print_("Trying signature-verification tests from ECDSAVS.pdf B.2.4:") print_("P-192:") Msg = 0x84ce72aa8699df436059f052ac51b6398d2511e49631bcb7e71f89c499b9ee425dfbc13a5f6d408471b054f2655617cbbaf7937b7c80cd8865cf02c8487d30d2b0fbd8b2c4e102e16d828374bbc47b93852f212d5043c3ea720f086178ff798cc4f63f787b9c2e419efa033e7644ea7936f54462dc21a6c4580725f7f0e7d158 Qx = 0xd9dbfb332aa8e5ff091e8ce535857c37c73f6250ffb2e7ac Qy = 0x282102e364feded3ad15ddf968f88d8321aa268dd483ebc4 R = 0x64dca58a20787c488d11d6dd96313f1b766f2d8efe122916 S = 0x1ecba28141e84ab4ecad92f56720e2cc83eb3d22dec72479 test_signature_validity( Msg, Qx, Qy, R, S, True ) Msg = 0x94bb5bacd5f8ea765810024db87f4224ad71362a3c28284b2b9f39fab86db12e8beb94aae899768229be8fdb6c4f12f28912bb604703a79ccff769c1607f5a91450f30ba0460d359d9126cbd6296be6d9c4bb96c0ee74cbb44197c207f6db326ab6f5a659113a9034e54be7b041ced9dcf6458d7fb9cbfb2744d999f7dfd63f4 Qx = 0x3e53ef8d3112af3285c0e74842090712cd324832d4277ae7 Qy = 0xcc75f8952d30aec2cbb719fc6aa9934590b5d0ff5a83adb7 R = 0x8285261607283ba18f335026130bab31840dcfd9c3e555af S = 0x356d89e1b04541afc9704a45e9c535ce4a50929e33d7e06c test_signature_validity( Msg, Qx, Qy, R, S, True ) Msg = 0xf6227a8eeb34afed1621dcc89a91d72ea212cb2f476839d9b4243c66877911b37b4ad6f4448792a7bbba76c63bdd63414b6facab7dc71c3396a73bd7ee14cdd41a659c61c99b779cecf07bc51ab391aa3252386242b9853ea7da67fd768d303f1b9b513d401565b6f1eb722dfdb96b519fe4f9bd5de67ae131e64b40e78c42dd Qx = 0x16335dbe95f8e8254a4e04575d736befb258b8657f773cb7 Qy = 0x421b13379c59bc9dce38a1099ca79bbd06d647c7f6242336 R = 0x4141bd5d64ea36c5b0bd21ef28c02da216ed9d04522b1e91 S = 0x159a6aa852bcc579e821b7bb0994c0861fb08280c38daa09 test_signature_validity( Msg, Qx, Qy, R, S, False ) Msg = 0x16b5f93afd0d02246f662761ed8e0dd9504681ed02a253006eb36736b563097ba39f81c8e1bce7a16c1339e345efabbc6baa3efb0612948ae51103382a8ee8bc448e3ef71e9f6f7a9676694831d7f5dd0db5446f179bcb737d4a526367a447bfe2c857521c7f40b6d7d7e01a180d92431fb0bbd29c04a0c420a57b3ed26ccd8a Qx = 0xfd14cdf1607f5efb7b1793037b15bdf4baa6f7c16341ab0b Qy = 0x83fa0795cc6c4795b9016dac928fd6bac32f3229a96312c4 R = 0x8dfdb832951e0167c5d762a473c0416c5c15bc1195667dc1 S = 0x1720288a2dc13fa1ec78f763f8fe2ff7354a7e6fdde44520 test_signature_validity( Msg, Qx, Qy, R, S, False ) Msg = 0x08a2024b61b79d260e3bb43ef15659aec89e5b560199bc82cf7c65c77d39192e03b9a895d766655105edd9188242b91fbde4167f7862d4ddd61e5d4ab55196683d4f13ceb90d87aea6e07eb50a874e33086c4a7cb0273a8e1c4408f4b846bceae1ebaac1b2b2ea851a9b09de322efe34cebe601653efd6ddc876ce8c2f2072fb Qx = 0x674f941dc1a1f8b763c9334d726172d527b90ca324db8828 Qy = 0x65adfa32e8b236cb33a3e84cf59bfb9417ae7e8ede57a7ff R = 0x9508b9fdd7daf0d8126f9e2bc5a35e4c6d800b5b804d7796 S = 0x36f2bf6b21b987c77b53bb801b3435a577e3d493744bfab0 test_signature_validity( Msg, Qx, Qy, R, S, False ) Msg = 0x1843aba74b0789d4ac6b0b8923848023a644a7b70afa23b1191829bbe4397ce15b629bf21a8838298653ed0c19222b95fa4f7390d1b4c844d96e645537e0aae98afb5c0ac3bd0e4c37f8daaff25556c64e98c319c52687c904c4de7240a1cc55cd9756b7edaef184e6e23b385726e9ffcba8001b8f574987c1a3fedaaa83ca6d Qx = 0x10ecca1aad7220b56a62008b35170bfd5e35885c4014a19f Qy = 0x04eb61984c6c12ade3bc47f3c629ece7aa0a033b9948d686 R = 0x82bfa4e82c0dfe9274169b86694e76ce993fd83b5c60f325 S = 0xa97685676c59a65dbde002fe9d613431fb183e8006d05633 test_signature_validity( Msg, Qx, Qy, R, S, False ) Msg = 0x5a478f4084ddd1a7fea038aa9732a822106385797d02311aeef4d0264f824f698df7a48cfb6b578cf3da416bc0799425bb491be5b5ecc37995b85b03420a98f2c4dc5c31a69a379e9e322fbe706bbcaf0f77175e05cbb4fa162e0da82010a278461e3e974d137bc746d1880d6eb02aa95216014b37480d84b87f717bb13f76e1 Qx = 0x6636653cb5b894ca65c448277b29da3ad101c4c2300f7c04 Qy = 0xfdf1cbb3fc3fd6a4f890b59e554544175fa77dbdbeb656c1 R = 0xeac2ddecddfb79931a9c3d49c08de0645c783a24cb365e1c S = 0x3549fee3cfa7e5f93bc47d92d8ba100e881a2a93c22f8d50 test_signature_validity( Msg, Qx, Qy, R, S, False ) Msg = 0xc598774259a058fa65212ac57eaa4f52240e629ef4c310722088292d1d4af6c39b49ce06ba77e4247b20637174d0bd67c9723feb57b5ead232b47ea452d5d7a089f17c00b8b6767e434a5e16c231ba0efa718a340bf41d67ea2d295812ff1b9277daacb8bc27b50ea5e6443bcf95ef4e9f5468fe78485236313d53d1c68f6ba2 Qx = 0xa82bd718d01d354001148cd5f69b9ebf38ff6f21898f8aaa Qy = 0xe67ceede07fc2ebfafd62462a51e4b6c6b3d5b537b7caf3e R = 0x4d292486c620c3de20856e57d3bb72fcde4a73ad26376955 S = 0xa85289591a6081d5728825520e62ff1c64f94235c04c7f95 test_signature_validity( Msg, Qx, Qy, R, S, False ) Msg = 0xca98ed9db081a07b7557f24ced6c7b9891269a95d2026747add9e9eb80638a961cf9c71a1b9f2c29744180bd4c3d3db60f2243c5c0b7cc8a8d40a3f9a7fc910250f2187136ee6413ffc67f1a25e1c4c204fa9635312252ac0e0481d89b6d53808f0c496ba87631803f6c572c1f61fa049737fdacce4adff757afed4f05beb658 Qx = 0x7d3b016b57758b160c4fca73d48df07ae3b6b30225126c2f Qy = 0x4af3790d9775742bde46f8da876711be1b65244b2b39e7ec R = 0x95f778f5f656511a5ab49a5d69ddd0929563c29cbc3a9e62 S = 0x75c87fc358c251b4c83d2dd979faad496b539f9f2ee7a289 test_signature_validity( Msg, Qx, Qy, R, S, False ) Msg = 0x31dd9a54c8338bea06b87eca813d555ad1850fac9742ef0bbe40dad400e10288acc9c11ea7dac79eb16378ebea9490e09536099f1b993e2653cd50240014c90a9c987f64545abc6a536b9bd2435eb5e911fdfde2f13be96ea36ad38df4ae9ea387b29cced599af777338af2794820c9cce43b51d2112380a35802ab7e396c97a Qx = 0x9362f28c4ef96453d8a2f849f21e881cd7566887da8beb4a Qy = 0xe64d26d8d74c48a024ae85d982ee74cd16046f4ee5333905 R = 0xf3923476a296c88287e8de914b0b324ad5a963319a4fe73b S = 0xf0baeed7624ed00d15244d8ba2aede085517dbdec8ac65f5 test_signature_validity( Msg, Qx, Qy, R, S, True ) Msg = 0xb2b94e4432267c92f9fdb9dc6040c95ffa477652761290d3c7de312283f6450d89cc4aabe748554dfb6056b2d8e99c7aeaad9cdddebdee9dbc099839562d9064e68e7bb5f3a6bba0749ca9a538181fc785553a4000785d73cc207922f63e8ce1112768cb1de7b673aed83a1e4a74592f1268d8e2a4e9e63d414b5d442bd0456d Qx = 0xcc6fc032a846aaac25533eb033522824f94e670fa997ecef Qy = 0xe25463ef77a029eccda8b294fd63dd694e38d223d30862f1 R = 0x066b1d07f3a40e679b620eda7f550842a35c18b80c5ebe06 S = 0xa0b0fb201e8f2df65e2c4508ef303bdc90d934016f16b2dc test_signature_validity( Msg, Qx, Qy, R, S, False ) Msg = 0x4366fcadf10d30d086911de30143da6f579527036937007b337f7282460eae5678b15cccda853193ea5fc4bc0a6b9d7a31128f27e1214988592827520b214eed5052f7775b750b0c6b15f145453ba3fee24a085d65287e10509eb5d5f602c440341376b95c24e5c4727d4b859bfe1483d20538acdd92c7997fa9c614f0f839d7 Qx = 0x955c908fe900a996f7e2089bee2f6376830f76a19135e753 Qy = 0xba0c42a91d3847de4a592a46dc3fdaf45a7cc709b90de520 R = 0x1f58ad77fc04c782815a1405b0925e72095d906cbf52a668 S = 0xf2e93758b3af75edf784f05a6761c9b9a6043c66b845b599 test_signature_validity( Msg, Qx, Qy, R, S, False ) Msg = 0x543f8af57d750e33aa8565e0cae92bfa7a1ff78833093421c2942cadf9986670a5ff3244c02a8225e790fbf30ea84c74720abf99cfd10d02d34377c3d3b41269bea763384f372bb786b5846f58932defa68023136cd571863b304886e95e52e7877f445b9364b3f06f3c28da12707673fecb4b8071de06b6e0a3c87da160cef3 Qx = 0x31f7fa05576d78a949b24812d4383107a9a45bb5fccdd835 Qy = 0x8dc0eb65994a90f02b5e19bd18b32d61150746c09107e76b R = 0xbe26d59e4e883dde7c286614a767b31e49ad88789d3a78ff S = 0x8762ca831c1ce42df77893c9b03119428e7a9b819b619068 test_signature_validity( Msg, Qx, Qy, R, S, False ) Msg = 0xd2e8454143ce281e609a9d748014dcebb9d0bc53adb02443a6aac2ffe6cb009f387c346ecb051791404f79e902ee333ad65e5c8cb38dc0d1d39a8dc90add5023572720e5b94b190d43dd0d7873397504c0c7aef2727e628eb6a74411f2e400c65670716cb4a815dc91cbbfeb7cfe8c929e93184c938af2c078584da045e8f8d1 Qx = 0x66aa8edbbdb5cf8e28ceb51b5bda891cae2df84819fe25c0 Qy = 0x0c6bc2f69030a7ce58d4a00e3b3349844784a13b8936f8da R = 0xa4661e69b1734f4a71b788410a464b71e7ffe42334484f23 S = 0x738421cf5e049159d69c57a915143e226cac8355e149afe9 test_signature_validity( Msg, Qx, Qy, R, S, False ) Msg = 0x6660717144040f3e2f95a4e25b08a7079c702a8b29babad5a19a87654bc5c5afa261512a11b998a4fb36b5d8fe8bd942792ff0324b108120de86d63f65855e5461184fc96a0a8ffd2ce6d5dfb0230cbbdd98f8543e361b3205f5da3d500fdc8bac6db377d75ebef3cb8f4d1ff738071ad0938917889250b41dd1d98896ca06fb Qx = 0xbcfacf45139b6f5f690a4c35a5fffa498794136a2353fc77 Qy = 0x6f4a6c906316a6afc6d98fe1f0399d056f128fe0270b0f22 R = 0x9db679a3dafe48f7ccad122933acfe9da0970b71c94c21c1 S = 0x984c2db99827576c0a41a5da41e07d8cc768bc82f18c9da9 test_signature_validity( Msg, Qx, Qy, R, S, False ) print_("Testing the example code:") # Building a public/private key pair from the NIST Curve P-192: g = generator_192 n = g.order() # (random.SystemRandom is supposed to provide # crypto-quality random numbers, but as Debian recently # illustrated, a systems programmer can accidentally # demolish this security, so in serious applications # further precautions are appropriate.) randrange = random.SystemRandom().randrange secret = randrange( 1, n ) pubkey = Public_key( g, g * secret ) privkey = Private_key( pubkey, secret ) # Signing a hash value: hash = randrange( 1, n ) signature = privkey.sign( hash, randrange( 1, n ) ) # Verifying a signature for a hash value: if pubkey.verifies( hash, signature ): print_("Demo verification succeeded.") else: raise TestFailure("*** Demo verification failed.") if pubkey.verifies( hash-1, signature ): raise TestFailure( "**** Demo verification failed to reject tampered hash.") else: print_("Demo verification correctly rejected tampered hash.") if __name__ == "__main__": __main__() usr/lib64/python2.7/site-packages/ecdsa/keys.py0100644000000000000000000003015312307440202020176 0ustar rootrootimport binascii from . import ecdsa from . import der from . import rfc6979 from .curves import NIST192p, find_curve from .util import string_to_number, number_to_string, randrange from .util import sigencode_string, sigdecode_string from .util import oid_ecPublicKey, encoded_oid_ecPublicKey from .six import PY3, b from hashlib import sha1 class BadSignatureError(Exception): pass class BadDigestError(Exception): pass class VerifyingKey: def __init__(self, _error__please_use_generate=None): if not _error__please_use_generate: raise TypeError("Please use SigningKey.generate() to construct me") @classmethod def from_public_point(klass, point, curve=NIST192p, hashfunc=sha1): self = klass(_error__please_use_generate=True) self.curve = curve self.default_hashfunc = hashfunc self.pubkey = ecdsa.Public_key(curve.generator, point) self.pubkey.order = curve.order return self @classmethod def from_string(klass, string, curve=NIST192p, hashfunc=sha1, validate_point=True): order = curve.order assert len(string) == curve.verifying_key_length, \ (len(string), curve.verifying_key_length) xs = string[:curve.baselen] ys = string[curve.baselen:] assert len(xs) == curve.baselen, (len(xs), curve.baselen) assert len(ys) == curve.baselen, (len(ys), curve.baselen) x = string_to_number(xs) y = string_to_number(ys) if validate_point: assert ecdsa.point_is_valid(curve.generator, x, y) from . import ellipticcurve point = ellipticcurve.Point(curve.curve, x, y, order) return klass.from_public_point(point, curve, hashfunc) @classmethod def from_pem(klass, string): return klass.from_der(der.unpem(string)) @classmethod def from_der(klass, string): # [[oid_ecPublicKey,oid_curve], point_str_bitstring] s1,empty = der.remove_sequence(string) if empty != b(""): raise der.UnexpectedDER("trailing junk after DER pubkey: %s" % binascii.hexlify(empty)) s2,point_str_bitstring = der.remove_sequence(s1) # s2 = oid_ecPublicKey,oid_curve oid_pk, rest = der.remove_object(s2) oid_curve, empty = der.remove_object(rest) if empty != b(""): raise der.UnexpectedDER("trailing junk after DER pubkey objects: %s" % binascii.hexlify(empty)) assert oid_pk == oid_ecPublicKey, (oid_pk, oid_ecPublicKey) curve = find_curve(oid_curve) point_str, empty = der.remove_bitstring(point_str_bitstring) if empty != b(""): raise der.UnexpectedDER("trailing junk after pubkey pointstring: %s" % binascii.hexlify(empty)) assert point_str.startswith(b("\x00\x04")) return klass.from_string(point_str[2:], curve) def to_string(self): # VerifyingKey.from_string(vk.to_string()) == vk as long as the # curves are the same: the curve itself is not included in the # serialized form order = self.pubkey.order x_str = number_to_string(self.pubkey.point.x(), order) y_str = number_to_string(self.pubkey.point.y(), order) return x_str + y_str def to_pem(self): return der.topem(self.to_der(), "PUBLIC KEY") def to_der(self): order = self.pubkey.order x_str = number_to_string(self.pubkey.point.x(), order) y_str = number_to_string(self.pubkey.point.y(), order) point_str = b("\x00\x04") + x_str + y_str return der.encode_sequence(der.encode_sequence(encoded_oid_ecPublicKey, self.curve.encoded_oid), der.encode_bitstring(point_str)) def verify(self, signature, data, hashfunc=None, sigdecode=sigdecode_string): hashfunc = hashfunc or self.default_hashfunc digest = hashfunc(data).digest() return self.verify_digest(signature, digest, sigdecode) def verify_digest(self, signature, digest, sigdecode=sigdecode_string): if len(digest) > self.curve.baselen: raise BadDigestError("this curve (%s) is too short " "for your digest (%d)" % (self.curve.name, 8*len(digest))) number = string_to_number(digest) r, s = sigdecode(signature, self.pubkey.order) sig = ecdsa.Signature(r, s) if self.pubkey.verifies(number, sig): return True raise BadSignatureError class SigningKey: def __init__(self, _error__please_use_generate=None): if not _error__please_use_generate: raise TypeError("Please use SigningKey.generate() to construct me") @classmethod def generate(klass, curve=NIST192p, entropy=None, hashfunc=sha1): secexp = randrange(curve.order, entropy) return klass.from_secret_exponent(secexp, curve, hashfunc) # to create a signing key from a short (arbitrary-length) seed, convert # that seed into an integer with something like # secexp=util.randrange_from_seed__X(seed, curve.order), and then pass # that integer into SigningKey.from_secret_exponent(secexp, curve) @classmethod def from_secret_exponent(klass, secexp, curve=NIST192p, hashfunc=sha1): self = klass(_error__please_use_generate=True) self.curve = curve self.default_hashfunc = hashfunc self.baselen = curve.baselen n = curve.order assert 1 <= secexp < n pubkey_point = curve.generator*secexp pubkey = ecdsa.Public_key(curve.generator, pubkey_point) pubkey.order = n self.verifying_key = VerifyingKey.from_public_point(pubkey_point, curve, hashfunc) self.privkey = ecdsa.Private_key(pubkey, secexp) self.privkey.order = n return self @classmethod def from_string(klass, string, curve=NIST192p, hashfunc=sha1): assert len(string) == curve.baselen, (len(string), curve.baselen) secexp = string_to_number(string) return klass.from_secret_exponent(secexp, curve, hashfunc) @classmethod def from_pem(klass, string, hashfunc=sha1): # the privkey pem file has two sections: "EC PARAMETERS" and "EC # PRIVATE KEY". The first is redundant. if PY3 and isinstance(string, str): string = string.encode() privkey_pem = string[string.index(b("-----BEGIN EC PRIVATE KEY-----")):] return klass.from_der(der.unpem(privkey_pem), hashfunc) @classmethod def from_der(klass, string, hashfunc=sha1): # SEQ([int(1), octetstring(privkey),cont[0], oid(secp224r1), # cont[1],bitstring]) s, empty = der.remove_sequence(string) if empty != b(""): raise der.UnexpectedDER("trailing junk after DER privkey: %s" % binascii.hexlify(empty)) one, s = der.remove_integer(s) if one != 1: raise der.UnexpectedDER("expected '1' at start of DER privkey," " got %d" % one) privkey_str, s = der.remove_octet_string(s) tag, curve_oid_str, s = der.remove_constructed(s) if tag != 0: raise der.UnexpectedDER("expected tag 0 in DER privkey," " got %d" % tag) curve_oid, empty = der.remove_object(curve_oid_str) if empty != b(""): raise der.UnexpectedDER("trailing junk after DER privkey " "curve_oid: %s" % binascii.hexlify(empty)) curve = find_curve(curve_oid) # we don't actually care about the following fields # #tag, pubkey_bitstring, s = der.remove_constructed(s) #if tag != 1: # raise der.UnexpectedDER("expected tag 1 in DER privkey, got %d" # % tag) #pubkey_str = der.remove_bitstring(pubkey_bitstring) #if empty != "": # raise der.UnexpectedDER("trailing junk after DER privkey " # "pubkeystr: %s" % binascii.hexlify(empty)) # our from_string method likes fixed-length privkey strings if len(privkey_str) < curve.baselen: privkey_str = b("\x00")*(curve.baselen-len(privkey_str)) + privkey_str return klass.from_string(privkey_str, curve, hashfunc) def to_string(self): secexp = self.privkey.secret_multiplier s = number_to_string(secexp, self.privkey.order) return s def to_pem(self): # TODO: "BEGIN ECPARAMETERS" return der.topem(self.to_der(), "EC PRIVATE KEY") def to_der(self): # SEQ([int(1), octetstring(privkey),cont[0], oid(secp224r1), # cont[1],bitstring]) encoded_vk = b("\x00\x04") + self.get_verifying_key().to_string() return der.encode_sequence(der.encode_integer(1), der.encode_octet_string(self.to_string()), der.encode_constructed(0, self.curve.encoded_oid), der.encode_constructed(1, der.encode_bitstring(encoded_vk)), ) def get_verifying_key(self): return self.verifying_key def sign_deterministic(self, data, hashfunc=None, sigencode=sigencode_string): hashfunc = hashfunc or self.default_hashfunc digest = hashfunc(data).digest() return self.sign_digest_deterministic(digest, hashfunc=hashfunc, sigencode=sigencode) def sign_digest_deterministic(self, digest, hashfunc=None, sigencode=sigencode_string): """ Calculates 'k' from data itself, removing the need for strong random generator and producing deterministic (reproducible) signatures. See RFC 6979 for more details. """ secexp = self.privkey.secret_multiplier k = rfc6979.generate_k(self.curve.generator, secexp, hashfunc, digest) return self.sign_digest(digest, sigencode=sigencode, k=k) def sign(self, data, entropy=None, hashfunc=None, sigencode=sigencode_string, k=None): """ hashfunc= should behave like hashlib.sha1 . The output length of the hash (in bytes) must not be longer than the length of the curve order (rounded up to the nearest byte), so using SHA256 with nist256p is ok, but SHA256 with nist192p is not. (In the 2**-96ish unlikely event of a hash output larger than the curve order, the hash will effectively be wrapped mod n). Use hashfunc=hashlib.sha1 to match openssl's -ecdsa-with-SHA1 mode, or hashfunc=hashlib.sha256 for openssl-1.0.0's -ecdsa-with-SHA256. """ hashfunc = hashfunc or self.default_hashfunc h = hashfunc(data).digest() return self.sign_digest(h, entropy, sigencode, k) def sign_digest(self, digest, entropy=None, sigencode=sigencode_string, k=None): if len(digest) > self.curve.baselen: raise BadDigestError("this curve (%s) is too short " "for your digest (%d)" % (self.curve.name, 8*len(digest))) number = string_to_number(digest) r, s = self.sign_number(number, entropy, k) return sigencode(r, s, self.privkey.order) def sign_number(self, number, entropy=None, k=None): # returns a pair of numbers order = self.privkey.order # privkey.sign() may raise RuntimeError in the amazingly unlikely # (2**-192) event that r=0 or s=0, because that would leak the key. # We could re-try with a different 'k', but we couldn't test that # code, so I choose to allow the signature to fail instead. # If k is set, it is used directly. In other cases # it is generated using entropy function if k is not None: _k = k else: _k = randrange(order, entropy) assert 1 <= _k < order sig = self.privkey.sign(number, _k) return sig.r, sig.s usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyc0100644000000000000000000002307612311676135022261 0ustar rootroot ]KRc@ sddlmZddlmZddlmZdefdYZdefdYZed d d Z d Z e d kre nd S( i(tdivisioni(tprint_(t numbertheorytCurveFpcB s;eZdZdZdZdZdZdZRS(s9Elliptic Curve over the field of integers modulo a prime.cC s||_||_||_dS(s;The curve of points satisfying y^2 = x^3 + a*x + b (mod p).N(t _CurveFp__pt _CurveFp__at _CurveFp__b(tselftptatb((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyt__init__*s  cC s|jS(N(R(R((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyR0scC s|jS(N(R(R((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyR 3scC s|jS(N(R(R((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyR 6scC s3||||||j||j|jdkS(s!Is the point (x,y) on this curve?i(RRR(Rtxty((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pytcontains_point9s(t__name__t __module__t__doc__R RR R R(((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyR(s     tPointcB steZdZd dZdZdZdZdZdZ dZ dZ d Z d Z d ZRS( ssA point on an elliptic curve. Altering x and y is forbidding, but they can be read by the x() and y() methods.cC sn||_||_||_||_|jrK|jj||sKtn|rj||tksjtndS(s@curve, x, y, order; order (optional) is the order of this point.N(t _Point__curvet _Point__xt _Point__yt _Point__orderRtAssertionErrortINFINITY(RtcurveR R torder((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyR Bs     cC sB|j|jkr:|j|jkr:|j|jkr:tStSdS(s9Return True if the points are identical, False otherwise.N(RRRtTruetFalse(Rtother((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyt__eq__Ls cC s|tkr|S|tkr |S|j|jks8t|j|jkr~|j|j|jjdkrqtS|jSn|jj}|j|jtj|j|j||}|||j|j|}||j||j|}t |j||S(sAdd one point to another point.i( RRRRRRtdoubleRt inverse_modR(RRRtltx3ty3((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyt__add__Us  #  !cC s#d}|}|jr(||j}n|dkr8tS|tkrHtS|dksZtd|}t|j|j|j |j}||d}|}x|dkr|j}||@dkr||@dkr||}n||@dkr||@dkr||}n|d}qW|S(sMultiply a point by an integer.cS s=|dkstd}x||kr4d|}qW|dS(Niii(R(R tresult((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyt leftmost_bitps iiii(RRRRRRRR(RRR&tete3t negative_selftiR%((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyt__mul__ms*     "   cC s||S(sMultiply a point by an integer.((RR((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyt__rmul__scC s$|tkrdSd|j|jfS(Ntinfinitys(%d,%d)(RRR(R((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyt__str__s cC s|tkrtS|jj}|jj}d|j|j|tjd|j||}||d|j|}||j||j|}t|j||S(s)Return a new point that is twice the old.ii( RRRR RRR RR(RRR R!R"R#((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyRs cC s|jS(N(R(R((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyR scC s|jS(N(R(R((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyR scC s|jS(N(R(R((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyRscC s|jS(N(R(R((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyRsN(RRRtNoneR RR$R+R,R.RR R RR(((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyR?s        c sdtfdYfd}fd}fd}fd}tddd}||d d d d d d||d d d d||d d d d d d||d d dd d||t|dd d }t}xqtd+D]c}|d |}td||||fdd||krJtdn d||}qWd}d} d}d} d} d} t|d| } t| | | | }d}||}|jdkrd n td!d"}||}|jd#ks|jd$kr-d%n td&d'}d(}||||}|jd#ksy|jd$krd)n td*dS(,Nt FailedTestcB seZRS((RR(((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyR0sc  st|||}t|||}||} td||| fdd| j|kso| j|krd||fn tddS(s:We expect that on curve c, (x1,y1) + (x2, y2 ) = (x3, y3).s %s + %s = %stendt sFailure: should give (%d,%d).s Good.N(RRR R ( tctx1ty1tx2ty2R"R#tp1tp2tp3(R0(s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyttest_adds $c st|||}|j}td||fdd|j|ks\|j|krud||fn tddS(s0We expect that on curve c, 2*(x1,y1) = (x3, y3).s%s doubled = %sR1R2sFailure: should give (%d,%d).s Good.N(RRRR R (R3R4R5R"R#R8R:(R0(s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyt test_doubles  $c st}|j}td||fdd|jtjks\|jtjkrdtjtjfn tddS(s1We expect that on curve c, 2*INFINITY = INFINITY.s%s doubled = %sR1R2sFailure: should give (%d,%d).s Good.N(RRRR R (R3R8R:(R0(s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyttest_double_infinitys  0%c st|||}||}td|||fdd|j|ks]|j|krvd||fn tddS(s/We expect that on curve c, m*(x1,y1) = (x3,y3).s %s * %d = %sR1R2sFailure: should give (%d,%d).s Good.N(RRR R (R3R4R5tmR"R#R8R:(R0(s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyt test_multiplys  $iiii i iiii ii s%s * %d = %s, expected %s . . .R1R2s Good.sBad.l l 1(i&^#a;l e^?ynWT8JnN l 9{uDjSg9g(Bl +'1t:_|v!a:@ml H<^W]dZ{cxW\Iqil uH=.t.#",W}7?jl Z`uSG;R-]]0sk +sp192 * d came out wrong.sp192 * d came out right.l N/vZL_ ~XXw]ol ~n&DJ,6'1a47b?`l 5XD+8n#w}rO sk * p192 came out wrong.sk * p192 came out right.l WTY>n+BtC*Yql !M_JT96wfF [ ,z=s"u1 * p192 + u2 * Q came out wrong.s"u1 * p192 + u2 * Q came out right.i(t ExceptionRRRtrangeRR R (R;R<R=R?R3tgtcheckR*RtrR tGxtGytc192tp192tdtQtktRtu1tu2ttemp((R0s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyt__main__s\             RPN( t __future__RtsixRtRtobjectRRR/RRPR(((s9/usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.pyt#sw l usr/lib64/python2.7/site-packages/ecdsa/der.pyc0100644000000000000000000001755512311676135020166 0ustar rootroot WKRc@ s ddlmZddlZddlZddlmZmZmZmZm Z de fdYZ dZ dZ d Zd Zd Zd Zd ZdZdZdZdZdZdZdZdZdZdZdZdS(i(tdivisionNi(tint2bytetbtPY3t integer_typest text_typet UnexpectedDERcB seZRS((t__name__t __module__(((s//usr/lib64/python2.7/site-packages/ecdsa/der.pyRscC s"td|tt||S(Ni(Rt encode_lengthtlen(ttagtvalue((s//usr/lib64/python2.7/site-packages/ecdsa/der.pytencode_constructed scC s|dkstd|j}t|drEtd|}ntj|}t|dtrq|dn t|d}|dkrtdt t||Stdt t|dtd|SdS( Nis%xit0isit( tAssertionErrortencodeR Rtbinasciit unhexlifyt isinstanceRtordR(trthtstnum((s//usr/lib64/python2.7/site-packages/ecdsa/der.pytencode_integer s- cC stdtt||S(Ns(RR R (R((s//usr/lib64/python2.7/site-packages/ecdsa/der.pytencode_bitstringscC stdtt||S(Ns(RR R (R((s//usr/lib64/python2.7/site-packages/ecdsa/der.pytencode_octet_stringscG s|dkst|dks$ttd||gg|D]}t|^q?}tdj|}tdtt||S(Nii'i(ts(RRt encode_numberRtjoinR R (tfirsttsecondtpiecestptencoded_piecestbody((s//usr/lib64/python2.7/site-packages/ecdsa/der.pyt encode_oids cG sLtg|D]}t|^q }tdt|tdj|S(NRR(tsumR RR R(R$R#t total_len((s//usr/lib64/python2.7/site-packages/ecdsa/der.pytencode_sequence&s%cC sg}x,|r4|jd|d@dB|d?}q W|sK|jdn|dcdMs -cC s|jtdsUt|dtr2|dn t|d}td|nt|d\}}|d|d||!}|d||}||fS(Nsis%wanted octetstring (0x04), got 0x%02xi(R6RRRRRR/(R0R,R2R3R%R4((s//usr/lib64/python2.7/site-packages/ecdsa/der.pytremove_octet_stringFs-c C s)|jtdsUt|dtr2|dn t|d}td|nt|d\}}|d|d||!}|d||}g}x3|rt|\}}|j|||}qW|j d}|d} |d| } |j d| |j d| t ||fS(Nsis wanted object (0x06), got 0x%02xii(( R6RRRRRR/t read_numberR+tpopR*ttuple( R0R,R2R7R%R4tnumberstlltn0R R!((s//usr/lib64/python2.7/site-packages/ecdsa/der.pyt remove_objectOs"-   cC s|jtdsUt|dtr2|dn t|d}td|nt|d\}}|d|d||!}|d||}t|dtr|dn t|d}|dksttt j |d|fS(Nsis!wanted integer (0x02), got 0x%02xiii( R6RRRRRR/RtintRthexlify(R0R,R2R3t numberbytesR4tnbytes((s//usr/lib64/python2.7/site-packages/ecdsa/der.pytremove_integerbs--cC sd}d}xtr|t|kr6tdn|d>}t||tr]||n t||}||d@7}|d7}|d@sPqqW||fS(Nisran out of length bytesiiii(tTrueR RRRR(R0tnumberR3R.((s//usr/lib64/python2.7/site-packages/ecdsa/der.pyR;ms  -  cC s|dkst|dkr(t|Sd|j}t|dr[td|}ntj|}t|}td|B|S(Niis%xiR(RRRR RRR(tlRR3((s//usr/lib64/python2.7/site-packages/ecdsa/der.pyR |s   cC st|dtr|dn t|d}|d@sE|d@dfS|d@}|t|dkrttdnttj|dd|!dd|fS(Niiiisran out of length bytesi(RRRR RRBRRC(R0RR3((s//usr/lib64/python2.7/site-packages/ecdsa/der.pyR/s-  cC st|dtr|dn t|d}|jtdsUtd|nt|d\}}|d|d||!}|d||}||fS(Niss#wanted bitstring (0x03), got 0x%02xi(RRRR6RRR/(R0RR2R3R%R4((s//usr/lib64/python2.7/site-packages/ecdsa/der.pytremove_bitstrings-cC st|tr|j}ntdjg|jtdD].}|r@|jtd r@|j^q@}tj |S(NRs s-----( RRRRRtsplitR6tstriptbase64t b64decode(tpemRIR.((s//usr/lib64/python2.7/site-packages/ecdsa/der.pytunpems (1cC stj|}d|jg}|jgtdt|dD]!}|||d!td^qA|jd|jtdj|S(Ns-----BEGIN %s----- ii@s s-----END %s----- R( RMt b64encodeRtextendtrangeR RR+R(tdertnametb64tlineststart((s//usr/lib64/python2.7/site-packages/ecdsa/der.pyttopems  >(t __future__RRRMtsixRRRRRt ExceptionRR RRRR&R)RR5R9R:RARFR;R R/RJRPRY(((s//usr/lib64/python2.7/site-packages/ecdsa/der.pyts,  (          & usr/lib64/python2.7/site-packages/ecdsa/six.py0100644000000000000000000002732112222653425020042 0ustar rootroot"""Utilities for writing code that runs on Python 2 and 3""" # Copyright (c) 2010-2012 Benjamin Peterson # # Permission is hereby granted, free of charge, to any person obtaining a copy of # this software and associated documentation files (the "Software"), to deal in # the Software without restriction, including without limitation the rights to # use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of # the Software, and to permit persons to whom the Software is furnished to do so, # subject to the following conditions: # # The above copyright notice and this permission notice shall be included in all # copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS # FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR # COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER # IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. import operator import sys import types __author__ = "Benjamin Peterson " __version__ = "1.2.0" # True if we are running on Python 3. PY3 = sys.version_info[0] == 3 if PY3: string_types = str, integer_types = int, class_types = type, text_type = str binary_type = bytes MAXSIZE = sys.maxsize else: string_types = basestring, integer_types = (int, long) class_types = (type, types.ClassType) text_type = unicode binary_type = str if sys.platform.startswith("java"): # Jython always uses 32 bits. MAXSIZE = int((1 << 31) - 1) else: # It's possible to have sizeof(long) != sizeof(Py_ssize_t). class X(object): def __len__(self): return 1 << 31 try: len(X()) except OverflowError: # 32-bit MAXSIZE = int((1 << 31) - 1) else: # 64-bit MAXSIZE = int((1 << 63) - 1) del X def _add_doc(func, doc): """Add documentation to a function.""" func.__doc__ = doc def _import_module(name): """Import module, returning the module after the last dot.""" __import__(name) return sys.modules[name] class _LazyDescr(object): def __init__(self, name): self.name = name def __get__(self, obj, tp): result = self._resolve() setattr(obj, self.name, result) # This is a bit ugly, but it avoids running this again. delattr(tp, self.name) return result class MovedModule(_LazyDescr): def __init__(self, name, old, new=None): super(MovedModule, self).__init__(name) if PY3: if new is None: new = name self.mod = new else: self.mod = old def _resolve(self): return _import_module(self.mod) class MovedAttribute(_LazyDescr): def __init__(self, name, old_mod, new_mod, old_attr=None, new_attr=None): super(MovedAttribute, self).__init__(name) if PY3: if new_mod is None: new_mod = name self.mod = new_mod if new_attr is None: if old_attr is None: new_attr = name else: new_attr = old_attr self.attr = new_attr else: self.mod = old_mod if old_attr is None: old_attr = name self.attr = old_attr def _resolve(self): module = _import_module(self.mod) return getattr(module, self.attr) class _MovedItems(types.ModuleType): """Lazy loading of moved objects""" _moved_attributes = [ MovedAttribute("cStringIO", "cStringIO", "io", "StringIO"), MovedAttribute("filter", "itertools", "builtins", "ifilter", "filter"), MovedAttribute("input", "__builtin__", "builtins", "raw_input", "input"), MovedAttribute("map", "itertools", "builtins", "imap", "map"), MovedAttribute("reload_module", "__builtin__", "imp", "reload"), MovedAttribute("reduce", "__builtin__", "functools"), MovedAttribute("StringIO", "StringIO", "io"), MovedAttribute("xrange", "__builtin__", "builtins", "xrange", "range"), MovedAttribute("zip", "itertools", "builtins", "izip", "zip"), MovedModule("builtins", "__builtin__"), MovedModule("configparser", "ConfigParser"), MovedModule("copyreg", "copy_reg"), MovedModule("http_cookiejar", "cookielib", "http.cookiejar"), MovedModule("http_cookies", "Cookie", "http.cookies"), MovedModule("html_entities", "htmlentitydefs", "html.entities"), MovedModule("html_parser", "HTMLParser", "html.parser"), MovedModule("http_client", "httplib", "http.client"), MovedModule("email_mime_multipart", "email.MIMEMultipart", "email.mime.multipart"), MovedModule("email_mime_text", "email.MIMEText", "email.mime.text"), MovedModule("email_mime_base", "email.MIMEBase", "email.mime.base"), MovedModule("BaseHTTPServer", "BaseHTTPServer", "http.server"), MovedModule("CGIHTTPServer", "CGIHTTPServer", "http.server"), MovedModule("SimpleHTTPServer", "SimpleHTTPServer", "http.server"), MovedModule("cPickle", "cPickle", "pickle"), MovedModule("queue", "Queue"), MovedModule("reprlib", "repr"), MovedModule("socketserver", "SocketServer"), MovedModule("tkinter", "Tkinter"), MovedModule("tkinter_dialog", "Dialog", "tkinter.dialog"), MovedModule("tkinter_filedialog", "FileDialog", "tkinter.filedialog"), MovedModule("tkinter_scrolledtext", "ScrolledText", "tkinter.scrolledtext"), MovedModule("tkinter_simpledialog", "SimpleDialog", "tkinter.simpledialog"), MovedModule("tkinter_tix", "Tix", "tkinter.tix"), MovedModule("tkinter_constants", "Tkconstants", "tkinter.constants"), MovedModule("tkinter_dnd", "Tkdnd", "tkinter.dnd"), MovedModule("tkinter_colorchooser", "tkColorChooser", "tkinter.colorchooser"), MovedModule("tkinter_commondialog", "tkCommonDialog", "tkinter.commondialog"), MovedModule("tkinter_tkfiledialog", "tkFileDialog", "tkinter.filedialog"), MovedModule("tkinter_font", "tkFont", "tkinter.font"), MovedModule("tkinter_messagebox", "tkMessageBox", "tkinter.messagebox"), MovedModule("tkinter_tksimpledialog", "tkSimpleDialog", "tkinter.simpledialog"), MovedModule("urllib_robotparser", "robotparser", "urllib.robotparser"), MovedModule("winreg", "_winreg"), ] for attr in _moved_attributes: setattr(_MovedItems, attr.name, attr) del attr moves = sys.modules[__name__ + ".moves"] = _MovedItems("moves") def add_move(move): """Add an item to six.moves.""" setattr(_MovedItems, move.name, move) def remove_move(name): """Remove item from six.moves.""" try: delattr(_MovedItems, name) except AttributeError: try: del moves.__dict__[name] except KeyError: raise AttributeError("no such move, %r" % (name,)) if PY3: _meth_func = "__func__" _meth_self = "__self__" _func_code = "__code__" _func_defaults = "__defaults__" _iterkeys = "keys" _itervalues = "values" _iteritems = "items" else: _meth_func = "im_func" _meth_self = "im_self" _func_code = "func_code" _func_defaults = "func_defaults" _iterkeys = "iterkeys" _itervalues = "itervalues" _iteritems = "iteritems" try: advance_iterator = next except NameError: def advance_iterator(it): return it.next() next = advance_iterator try: callable = callable except NameError: def callable(obj): return any("__call__" in klass.__dict__ for klass in type(obj).__mro__) if PY3: def get_unbound_function(unbound): return unbound Iterator = object else: def get_unbound_function(unbound): return unbound.im_func class Iterator(object): def next(self): return type(self).__next__(self) callable = callable _add_doc(get_unbound_function, """Get the function out of a possibly unbound function""") get_method_function = operator.attrgetter(_meth_func) get_method_self = operator.attrgetter(_meth_self) get_function_code = operator.attrgetter(_func_code) get_function_defaults = operator.attrgetter(_func_defaults) def iterkeys(d): """Return an iterator over the keys of a dictionary.""" return iter(getattr(d, _iterkeys)()) def itervalues(d): """Return an iterator over the values of a dictionary.""" return iter(getattr(d, _itervalues)()) def iteritems(d): """Return an iterator over the (key, value) pairs of a dictionary.""" return iter(getattr(d, _iteritems)()) if PY3: def b(s): return s.encode("latin-1") def u(s): return s if sys.version_info[1] <= 1: def int2byte(i): return bytes((i,)) else: # This is about 2x faster than the implementation above on 3.2+ int2byte = operator.methodcaller("to_bytes", 1, "big") import io StringIO = io.StringIO BytesIO = io.BytesIO else: def b(s): return s def u(s): if isinstance(s, unicode): return s return unicode(s, "unicode_escape") int2byte = chr import StringIO StringIO = BytesIO = StringIO.StringIO _add_doc(b, """Byte literal""") _add_doc(u, """Text literal""") if PY3: import builtins exec_ = getattr(builtins, "exec") def reraise(tp, value, tb=None): if value.__traceback__ is not tb: raise value.with_traceback(tb) raise value print_ = getattr(builtins, "print") del builtins else: def exec_(_code_, _globs_=None, _locs_=None): """Execute code in a namespace.""" if _globs_ is None: frame = sys._getframe(1) _globs_ = frame.f_globals if _locs_ is None: _locs_ = frame.f_locals del frame elif _locs_ is None: _locs_ = _globs_ exec("""exec _code_ in _globs_, _locs_""") exec_("""def reraise(tp, value, tb=None): raise tp, value, tb """) def print_(*args, **kwargs): """The new-style print function.""" fp = kwargs.pop("file", sys.stdout) if fp is None: return def write(data): if not isinstance(data, basestring): data = str(data) fp.write(data) want_unicode = False sep = kwargs.pop("sep", None) if sep is not None: if isinstance(sep, unicode): want_unicode = True elif not isinstance(sep, str): raise TypeError("sep must be None or a string") end = kwargs.pop("end", None) if end is not None: if isinstance(end, unicode): want_unicode = True elif not isinstance(end, str): raise TypeError("end must be None or a string") if kwargs: raise TypeError("invalid keyword arguments to print()") if not want_unicode: for arg in args: if isinstance(arg, unicode): want_unicode = True break if want_unicode: newline = unicode("\n") space = unicode(" ") else: newline = "\n" space = " " if sep is None: sep = space if end is None: end = newline for i, arg in enumerate(args): if i: write(sep) write(arg) write(end) _add_doc(reraise, """Reraise an exception.""") def with_metaclass(meta, base=object): """Create a base class with a metaclass.""" return meta("NewBase", (base,), {}) usr/lib64/python2.7/site-packages/ecdsa/rfc6979.pyc0100644000000000000000000000661212311676135020515 0ustar rootroot k]KRc@sdZddlZddlmZddlmZmZddlmZye dWne k ridd 6d d 6d d 6dd6dd6dd6dd6dd6dd6dd6dd6dd6d d!6d"d#6d$d%6d&d'6Z d(Z nXd)Z d*Z d+Zd,ZdS(-s RFC 6979: Deterministic Usage of the Digital Signature Algorithm (DSA) and Elliptic Curve Digital Signature Algorithm (ECDSA) http://tools.ietf.org/html/rfc6979 Many thanks to Coda Hale for his implementation in Go language: https://github.com/codahale/rfc6979 iN(thexlifyi(tnumber_to_stringtnumber_to_string_crop(tbit0000t0t0001t1t0010t2t0011t3t0100t4t0101t5t0110t6t0111t7t1000t8t1001t9t1010tat1011Rt1100tct1101tdt1110tet1111tfcCsHdjddt|Djd}|dkr@d|Sd|S(Ntcss|]}t|VqdS(N(tbinmap(t.0tx((s3/usr/lib64/python2.7/site-packages/ecdsa/rfc6979.pys ss%xRis-0bt0b(tjointabstlstrip(tvaluetv((s3/usr/lib64/python2.7/site-packages/ecdsa/rfc6979.pytbins, cCs%t|}|jd}t|S(Ns-0b(R-R*tlen(tnumts((s3/usr/lib64/python2.7/site-packages/ecdsa/rfc6979.pyt bit_lengths cCsAtt|d}t|d}||kr=|||?S|S(Nii(tintRR.(tdatatqlenR&tl((s3/usr/lib64/python2.7/site-packages/ecdsa/rfc6979.pytbits2int$s   cCsAt|t|}||}|dkr4|}nt||S(Ni(R6R1R(R3tordertz1tz2((s3/usr/lib64/python2.7/site-packages/ecdsa/rfc6979.pyt bits2octets,s    c Cst|j}|j}|dd}t||jt||j}td|}td|} tj| |td||j} tj| ||j}tj| |td||j} tj| ||j}xt rtd} x;t | |krNtj| ||j}| |7} qWt | |} | dkr| |jkr| Stj| |td|j} tj| ||j}qWdS(s generator - ECDSA generator used in the signature secexp - secure exponent (private key) in numeric form hash_func - reference to the same hash function used for generating hash data - hash in binary form of the signing data iistR#iN( R1R7t digest_sizeRR:RthmactnewtdigesttTrueR.R6( t generatortsecexpt hash_funcR3R4tholentrolentbxR,tktttsecret((s3/usr/lib64/python2.7/site-packages/ecdsa/rfc6979.pyt generate_k6s( ())  %(t__doc__R=tbinasciiRtutilRRtsixRR-t NameErrorR$R1R6R:RJ(((s3/usr/lib64/python2.7/site-packages/ecdsa/rfc6979.pyt s       usr/lib64/python2.7/site-packages/ecdsa/numbertheory.pyc0100644000000000000000000004025012311676135022123 0ustar rootroot ]KRc@ sddlmZddlmZmZddlmZddlZddlZde fdYZ de fd YZ d e fd YZ d Z d ZdZdZdZdZdZdZdZdZdZdZdZdZdZdZdZdZdZdZ d Z!d!d"d#d$d%d&d'd(d)d*d+d,d-d.d/d0d1d2d3d4d5d6d7d8d9d:d;d<d=d>d?d@dAdBdCdDdEdFdGdHdIdJdKdLdMdNdOdPdQdRdSdTdUdVdWdXdYdZd[d\d]d^d_d`dadbdcdddedfdgdhdidjdkdldmdndodpdqdrdsdtdudvdwdxdydzd{d|d}d~dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddgZ"da#dZ$e%dkre$ndS(i(tdivisioni(tprint_t integer_types(treduceNtErrorcB seZdZRS(s)Base class for exceptions in this module.(t__name__t __module__t__doc__(((s8/usr/lib64/python2.7/site-packages/ecdsa/numbertheory.pyRstSquareRootErrorcB seZRS((RR(((s8/usr/lib64/python2.7/site-packages/ecdsa/numbertheory.pyRstNegativeExponentErrorcB seZRS((RR(((s8/usr/lib64/python2.7/site-packages/ecdsa/numbertheory.pyR scC s/|dkrtd|nt|||S(s+Raise base to exponent, reducing by modulusis#Negative exponents (%d) not allowed(R tpow(tbasetexponenttmodulus((s8/usr/lib64/python2.7/site-packages/ecdsa/numbertheory.pyt modular_exp s  cC s|ddkstt|dks.txt|t|kr|ddkrxItdt|dD]+}|| |d|| ||| ||dd}q>W|S(s'Return the Euler totient function of n.iii(R;RRRB(R"R?R*R)R$((s8/usr/lib64/python2.7/site-packages/ecdsa/numbertheory.pytphi(s     %cC stt|S(sReturn Carmichael function of n. Carmichael(n) is the smallest integer x such that m**x = 1 mod n for all m relatively prime to n. (tcarmichael_of_factorizedRB(R"((s8/usr/lib64/python2.7/site-packages/ecdsa/numbertheory.pyt carmichael:scC sct|dkrdSt|d}x6tdt|D]}t|t||}q<W|S(shReturn the Carmichael function of a number that is represented as a list of (prime,exponent) pairs. ii(Rtcarmichael_of_ppowerRR:(tf_listR?R((s8/usr/lib64/python2.7/site-packages/ecdsa/numbertheory.pyRDDs cC sH|\}}|dkr0|dkr0d|dS|d||dSdS(s=Carmichael function of the given power of the given prime. iiN((tppRR!((s8/usr/lib64/python2.7/site-packages/ecdsa/numbertheory.pyRFQs  cC sf|dkrdSt||dks+t|}d}x(|dkra|||}|d}q:W|S(s;Return the order of x in the multiplicative group mod m. ii(R8R(txR-tzR?((s8/usr/lib64/python2.7/site-packages/ecdsa/numbertheory.pyt order_mod[s cC s`xYt||}|dkr"Pn|}x.t||\}}|dkrPPn|}q+q|S(s8Return the largest factor of a relatively prime to b. ii(R8R,(R!R(R'R3R@((s8/usr/lib64/python2.7/site-packages/ecdsa/numbertheory.pytlargest_factor_relatively_primens   cC st|t||S(syReturn the order of x in the multiplicative group mod m', where m' is the largest factor of m relatively prime to x. (RKRL(RIR-((s8/usr/lib64/python2.7/site-packages/ecdsa/numbertheory.pytkinda_order_mod~sc C sda|tdkr-|tkr&tStSnt|d!dkrFtSd }dttj|d}xNd"d#d$d%d&d'd(d)d*d+d,d-f D]"\}}||krPn|}qWd}|d}x(|ddkr|d}|d}qWxt|D]}t|}t |||} | dkr| |dkrd} xZ| |dkr| |dkrt | d|} | dkr|datS| d} qHW| |dkr|datSqqWtS(.s*Return True if x is prime, False otherwise. We use the Miller-Rabin test, as given in Menezes et al. p. 138. This test is not exact: there are composite values n for which it returns True. In testing the odd numbers from 10000001 to 19999999, about 66 composites got past the first test, 5 got past the second test, and none got past the third. Since factors of 2, 3, 5, 7, and 11 were detected during preliminary screening, the number of numbers tested by Miller-Rabin was (19999999 - 10000001)*(2/3)*(4/5)*(6/7) = 4.57 million. iiiiiii ii(idiiiiiii i,i i^iiiii&iiiRiiiii (idi(ii(ii(ii (i,i (i^i(ii(ii(i&i(ii(iRi(ii( tmiller_rabin_test_countR<tTruetFalseR8tinttmathtlogRR( R"tttn_bitsRtttRR@RR!tyR((s8/usr/lib64/python2.7/site-packages/ecdsa/numbertheory.pyR>sX      #    cC s?|dkrdS|ddB}xt|s:|d}q!W|S(s9Return the smallest prime larger than the starting value.ii(R>(tstarting_valueR?((s8/usr/lib64/python2.7/site-packages/ecdsa/numbertheory.pyt next_primes  iiiii i iiiiii%i)i+i/i5i;i=iCiGiIiOiSiYiaieigikimiqiiiiiiiiiiiiiiiiiiiiiiiiiii iiiii%i3i7i9i=iKiQi[i]iaigioiui{iiiiiiiiiiiiiiiiiiiiiii i ii#i-i3i9i;iAiKiQiWiYi_ieiiikiwiiiiiiiiiiiiiiiiiiiiiiiii)i+i5i7i;i=iGiUiYi[i_imiqisiwiiiiiiiiiiiiiiiiiiii iiii%i'i-i?iCiEiIiOiUi]iciiiiiiiiiiiiiiicC s/tdtd5d7d9d:ks(ttd<d>d@gdAksIttddksattdtddBdCdEksttddFdGgdIksttddksttddJ}xBtt|dD]*}t||||dkstqWd}xtD]}td|g}xtdd|d D]k}|||}|j|t ||}||||krV|d}td!||||fqVqVWxktd|D]Z}||kryt ||}Wnt k r q/X|d}td"||fqqWq$Wxtdd#d D]} td$| t | r>g}xitd| D]X}t ||| dkr|d}td%||| fn|j||| qWxtd| D]K}||krt || d&kr7|d}td'|| fq7qqWqJt | } xtd| D]u} d} x-| D]%}| t | |d|d} qmW| t | | krZ|d}td(| | | fqZqZWqJWtd)d&dl} d}xtd*D]}| jd+d,} xtd*D]}| jd| d} t| | dkr%|d}t| | }|dks|| ks| || dkr|d}td-|| | fqq%q%WqW|d.kstt|d/d0tfd1Y}t|d2|dkr+|d3|ndS(KNsTesting gcd...iiii i sTesting lcm...sTesting next_prime...i@iAi)Ai/AiEAiSAiYAi]AiAiAiAiAiAiAiAiBiBiBi+Bi/Biis1Testing square_root_mod_prime for modulus p = %d.is0Failed to find %d as sqrt( %d ) mod %d. Said %d.s/Failed to report no root for sqrt( %d ) mod %d.is"Testing jacobi for modulus m = %d.sjacobi( %d * %d, %d ) != 1isjacobi( %d, %d ) != -1s%d != jacobi( %d, %d )sTesting inverse_mod . . .idii's$%d = inverse_mod( %d, %d ) is wrong.is tests of inverse_mod completed.t FailedTestcB seZRS((RR(((s8/usr/lib64/python2.7/site-packages/ecdsa/numbertheory.pyRZ`sserrors detected.s%d errors detectediiiiiiiiiiiiiiiiiiiiiiiiii(i@iAi)Ai/AiEAiSAiYAi]AiAiAiAiAiAiAiAiBiBiBi+Bi/B(RR8RR:RRRYR<R=R+RR>R RBtrandomtrandintR4t Exception(t bigprimesRt error_tallyRtsquarestroottsqt calculatedt nonsquareR-R)R!R.R[tn_testsRtinvRZ((s8/usr/lib64/python2.7/site-packages/ecdsa/numbertheory.pyt__main__s ! ! (          !  # "   , %   Rg(&t __future__RtsixRRt six.movesRRRttypesR]RRR RRRRR R+R4R5R8R9R:RBRCRERDRFRKRLRMR>RYR<RNRgR(((s8/usr/lib64/python2.7/site-packages/ecdsa/numbertheory.pyt sh        $    3     I '$! v usr/lib64/python2.7/site-packages/ecdsa/numbertheory.py0100644000000000000000000003735112222656622021770 0ustar rootroot#! /usr/bin/env python # # Provide some simple capabilities from number theory. # # Version of 2008.11.14. # # Written in 2005 and 2006 by Peter Pearson and placed in the public domain. # Revision history: # 2008.11.14: Use pow( base, exponent, modulus ) for modular_exp. # Make gcd and lcm accept arbitrarly many arguments. from __future__ import division from .six import print_, integer_types from .six.moves import reduce import math import types class Error( Exception ): """Base class for exceptions in this module.""" pass class SquareRootError( Error ): pass class NegativeExponentError( Error ): pass def modular_exp( base, exponent, modulus ): "Raise base to exponent, reducing by modulus" if exponent < 0: raise NegativeExponentError( "Negative exponents (%d) not allowed" \ % exponent ) return pow( base, exponent, modulus ) # result = 1L # x = exponent # b = base + 0L # while x > 0: # if x % 2 > 0: result = (result * b) % modulus # x = x // 2 # b = ( b * b ) % modulus # return result def polynomial_reduce_mod( poly, polymod, p ): """Reduce poly by polymod, integer arithmetic modulo p. Polynomials are represented as lists of coefficients of increasing powers of x.""" # This module has been tested only by extensive use # in calculating modular square roots. # Just to make this easy, require a monic polynomial: assert polymod[-1] == 1 assert len( polymod ) > 1 while len( poly ) >= len( polymod ): if poly[-1] != 0: for i in range( 2, len( polymod ) + 1 ): poly[-i] = ( poly[-i] - poly[-1] * polymod[-i] ) % p poly = poly[0:-1] return poly def polynomial_multiply_mod( m1, m2, polymod, p ): """Polynomial multiplication modulo a polynomial over ints mod p. Polynomials are represented as lists of coefficients of increasing powers of x.""" # This is just a seat-of-the-pants implementation. # This module has been tested only by extensive use # in calculating modular square roots. # Initialize the product to zero: prod = ( len( m1 ) + len( m2 ) - 1 ) * [0] # Add together all the cross-terms: for i in range( len( m1 ) ): for j in range( len( m2 ) ): prod[i+j] = ( prod[i+j] + m1[i] * m2[j] ) % p return polynomial_reduce_mod( prod, polymod, p ) def polynomial_exp_mod( base, exponent, polymod, p ): """Polynomial exponentiation modulo a polynomial over ints mod p. Polynomials are represented as lists of coefficients of increasing powers of x.""" # Based on the Handbook of Applied Cryptography, algorithm 2.227. # This module has been tested only by extensive use # in calculating modular square roots. assert exponent < p if exponent == 0: return [ 1 ] G = base k = exponent if k%2 == 1: s = G else: s = [ 1 ] while k > 1: k = k // 2 G = polynomial_multiply_mod( G, G, polymod, p ) if k%2 == 1: s = polynomial_multiply_mod( G, s, polymod, p ) return s def jacobi( a, n ): """Jacobi symbol""" # Based on the Handbook of Applied Cryptography (HAC), algorithm 2.149. # This function has been tested by comparison with a small # table printed in HAC, and by extensive use in calculating # modular square roots. assert n >= 3 assert n%2 == 1 a = a % n if a == 0: return 0 if a == 1: return 1 a1, e = a, 0 while a1%2 == 0: a1, e = a1//2, e+1 if e%2 == 0 or n%8 == 1 or n%8 == 7: s = 1 else: s = -1 if a1 == 1: return s if n%4 == 3 and a1%4 == 3: s = -s return s * jacobi( n % a1, a1 ) def square_root_mod_prime( a, p ): """Modular square root of a, mod p, p prime.""" # Based on the Handbook of Applied Cryptography, algorithms 3.34 to 3.39. # This module has been tested for all values in [0,p-1] for # every prime p from 3 to 1229. assert 0 <= a < p assert 1 < p if a == 0: return 0 if p == 2: return a jac = jacobi( a, p ) if jac == -1: raise SquareRootError( "%d has no square root modulo %d" \ % ( a, p ) ) if p % 4 == 3: return modular_exp( a, (p+1)//4, p ) if p % 8 == 5: d = modular_exp( a, (p-1)//4, p ) if d == 1: return modular_exp( a, (p+3)//8, p ) if d == p-1: return ( 2 * a * modular_exp( 4*a, (p-5)//8, p ) ) % p raise RuntimeError("Shouldn't get here.") for b in range( 2, p ): if jacobi( b*b-4*a, p ) == -1: f = ( a, -b, 1 ) ff = polynomial_exp_mod( ( 0, 1 ), (p+1)//2, f, p ) assert ff[1] == 0 return ff[0] raise RuntimeError("No b found.") def inverse_mod( a, m ): """Inverse of a mod m.""" if a < 0 or m <= a: a = a % m # From Ferguson and Schneier, roughly: c, d = a, m uc, vc, ud, vd = 1, 0, 0, 1 while c != 0: q, c, d = divmod( d, c ) + ( c, ) uc, vc, ud, vd = ud - q*uc, vd - q*vc, uc, vc # At this point, d is the GCD, and ud*a+vd*m = d. # If d == 1, this means that ud is a inverse. assert d == 1 if ud > 0: return ud else: return ud + m def gcd2(a, b): """Greatest common divisor using Euclid's algorithm.""" while a: a, b = b%a, a return b def gcd( *a ): """Greatest common divisor. Usage: gcd( [ 2, 4, 6 ] ) or: gcd( 2, 4, 6 ) """ if len( a ) > 1: return reduce( gcd2, a ) if hasattr( a[0], "__iter__" ): return reduce( gcd2, a[0] ) return a[0] def lcm2(a,b): """Least common multiple of two integers.""" return (a*b)//gcd(a,b) def lcm( *a ): """Least common multiple. Usage: lcm( [ 3, 4, 5 ] ) or: lcm( 3, 4, 5 ) """ if len( a ) > 1: return reduce( lcm2, a ) if hasattr( a[0], "__iter__" ): return reduce( lcm2, a[0] ) return a[0] def factorization( n ): """Decompose n into a list of (prime,exponent) pairs.""" assert isinstance( n, integer_types ) if n < 2: return [] result = [] d = 2 # Test the small primes: for d in smallprimes: if d > n: break q, r = divmod( n, d ) if r == 0: count = 1 while d <= n: n = q q, r = divmod( n, d ) if r != 0: break count = count + 1 result.append( ( d, count ) ) # If n is still greater than the last of our small primes, # it may require further work: if n > smallprimes[-1]: if is_prime( n ): # If what's left is prime, it's easy: result.append( ( n, 1 ) ) else: # Ugh. Search stupidly for a divisor: d = smallprimes[-1] while 1: d = d + 2 # Try the next divisor. q, r = divmod( n, d ) if q < d: break # n < d*d means we're done, n = 1 or prime. if r == 0: # d divides n. How many times? count = 1 n = q while d <= n: # As long as d might still divide n, q, r = divmod( n, d ) # see if it does. if r != 0: break n = q # It does. Reduce n, increase count. count = count + 1 result.append( ( d, count ) ) if n > 1: result.append( ( n, 1 ) ) return result def phi( n ): """Return the Euler totient function of n.""" assert isinstance( n, integer_types ) if n < 3: return 1 result = 1 ff = factorization( n ) for f in ff: e = f[1] if e > 1: result = result * f[0] ** (e-1) * ( f[0] - 1 ) else: result = result * ( f[0] - 1 ) return result def carmichael( n ): """Return Carmichael function of n. Carmichael(n) is the smallest integer x such that m**x = 1 mod n for all m relatively prime to n. """ return carmichael_of_factorized( factorization( n ) ) def carmichael_of_factorized( f_list ): """Return the Carmichael function of a number that is represented as a list of (prime,exponent) pairs. """ if len( f_list ) < 1: return 1 result = carmichael_of_ppower( f_list[0] ) for i in range( 1, len( f_list ) ): result = lcm( result, carmichael_of_ppower( f_list[i] ) ) return result def carmichael_of_ppower( pp ): """Carmichael function of the given power of the given prime. """ p, a = pp if p == 2 and a > 2: return 2**(a-2) else: return (p-1) * p**(a-1) def order_mod( x, m ): """Return the order of x in the multiplicative group mod m. """ # Warning: this implementation is not very clever, and will # take a long time if m is very large. if m <= 1: return 0 assert gcd( x, m ) == 1 z = x result = 1 while z != 1: z = ( z * x ) % m result = result + 1 return result def largest_factor_relatively_prime( a, b ): """Return the largest factor of a relatively prime to b. """ while 1: d = gcd( a, b ) if d <= 1: break b = d while 1: q, r = divmod( a, d ) if r > 0: break a = q return a def kinda_order_mod( x, m ): """Return the order of x in the multiplicative group mod m', where m' is the largest factor of m relatively prime to x. """ return order_mod( x, largest_factor_relatively_prime( m, x ) ) def is_prime( n ): """Return True if x is prime, False otherwise. We use the Miller-Rabin test, as given in Menezes et al. p. 138. This test is not exact: there are composite values n for which it returns True. In testing the odd numbers from 10000001 to 19999999, about 66 composites got past the first test, 5 got past the second test, and none got past the third. Since factors of 2, 3, 5, 7, and 11 were detected during preliminary screening, the number of numbers tested by Miller-Rabin was (19999999 - 10000001)*(2/3)*(4/5)*(6/7) = 4.57 million. """ # (This is used to study the risk of false positives:) global miller_rabin_test_count miller_rabin_test_count = 0 if n <= smallprimes[-1]: if n in smallprimes: return True else: return False if gcd( n, 2*3*5*7*11 ) != 1: return False # Choose a number of iterations sufficient to reduce the # probability of accepting a composite below 2**-80 # (from Menezes et al. Table 4.4): t = 40 n_bits = 1 + int( math.log( n, 2 ) ) for k, tt in ( ( 100, 27 ), ( 150, 18 ), ( 200, 15 ), ( 250, 12 ), ( 300, 9 ), ( 350, 8 ), ( 400, 7 ), ( 450, 6 ), ( 550, 5 ), ( 650, 4 ), ( 850, 3 ), ( 1300, 2 ), ): if n_bits < k: break t = tt # Run the test t times: s = 0 r = n - 1 while ( r % 2 ) == 0: s = s + 1 r = r // 2 for i in range( t ): a = smallprimes[ i ] y = modular_exp( a, r, n ) if y != 1 and y != n-1: j = 1 while j <= s - 1 and y != n - 1: y = modular_exp( y, 2, n ) if y == 1: miller_rabin_test_count = i + 1 return False j = j + 1 if y != n-1: miller_rabin_test_count = i + 1 return False return True def next_prime( starting_value ): "Return the smallest prime larger than the starting value." if starting_value < 2: return 2 result = ( starting_value + 1 ) | 1 while not is_prime( result ): result = result + 2 return result smallprimes = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997, 1009, 1013, 1019, 1021, 1031, 1033, 1039, 1049, 1051, 1061, 1063, 1069, 1087, 1091, 1093, 1097, 1103, 1109, 1117, 1123, 1129, 1151, 1153, 1163, 1171, 1181, 1187, 1193, 1201, 1213, 1217, 1223, 1229] miller_rabin_test_count = 0 def __main__(): # Making sure locally defined exceptions work: # p = modular_exp( 2, -2, 3 ) # p = square_root_mod_prime( 2, 3 ) print_("Testing gcd...") assert gcd( 3*5*7, 3*5*11, 3*5*13 ) == 3*5 assert gcd( [ 3*5*7, 3*5*11, 3*5*13 ] ) == 3*5 assert gcd( 3 ) == 3 print_("Testing lcm...") assert lcm( 3, 5*3, 7*3 ) == 3*5*7 assert lcm( [ 3, 5*3, 7*3 ] ) == 3*5*7 assert lcm( 3 ) == 3 print_("Testing next_prime...") bigprimes = ( 999671, 999683, 999721, 999727, 999749, 999763, 999769, 999773, 999809, 999853, 999863, 999883, 999907, 999917, 999931, 999953, 999959, 999961, 999979, 999983 ) for i in range( len( bigprimes ) - 1 ): assert next_prime( bigprimes[i] ) == bigprimes[ i+1 ] error_tally = 0 # Test the square_root_mod_prime function: for p in smallprimes: print_("Testing square_root_mod_prime for modulus p = %d." % p) squares = [] for root in range( 0, 1+p//2 ): sq = ( root * root ) % p squares.append( sq ) calculated = square_root_mod_prime( sq, p ) if ( calculated * calculated ) % p != sq: error_tally = error_tally + 1 print_("Failed to find %d as sqrt( %d ) mod %d. Said %d." % \ ( root, sq, p, calculated )) for nonsquare in range( 0, p ): if nonsquare not in squares: try: calculated = square_root_mod_prime( nonsquare, p ) except SquareRootError: pass else: error_tally = error_tally + 1 print_("Failed to report no root for sqrt( %d ) mod %d." % \ ( nonsquare, p )) # Test the jacobi function: for m in range( 3, 400, 2 ): print_("Testing jacobi for modulus m = %d." % m) if is_prime( m ): squares = [] for root in range( 1, m ): if jacobi( root * root, m ) != 1: error_tally = error_tally + 1 print_("jacobi( %d * %d, %d ) != 1" % ( root, root, m )) squares.append( root * root % m ) for i in range( 1, m ): if not i in squares: if jacobi( i, m ) != -1: error_tally = error_tally + 1 print_("jacobi( %d, %d ) != -1" % ( i, m )) else: # m is not prime. f = factorization( m ) for a in range( 1, m ): c = 1 for i in f: c = c * jacobi( a, i[0] ) ** i[1] if c != jacobi( a, m ): error_tally = error_tally + 1 print_("%d != jacobi( %d, %d )" % ( c, a, m )) # Test the inverse_mod function: print_("Testing inverse_mod . . .") import random n_tests = 0 for i in range( 100 ): m = random.randint( 20, 10000 ) for j in range( 100 ): a = random.randint( 1, m-1 ) if gcd( a, m ) == 1: n_tests = n_tests + 1 inv = inverse_mod( a, m ) if inv <= 0 or inv >= m or ( a * inv ) % m != 1: error_tally = error_tally + 1 print_("%d = inverse_mod( %d, %d ) is wrong." % ( inv, a, m )) assert n_tests > 1000 print_(n_tests, " tests of inverse_mod completed.") class FailedTest(Exception): pass print_(error_tally, "errors detected.") if error_tally != 0: raise FailedTest("%d errors detected" % error_tally) if __name__ == '__main__': __main__() usr/lib64/python2.7/site-packages/ecdsa/ellipticcurve.py0100644000000000000000000002064112222656653022115 0ustar rootroot#! /usr/bin/env python # # Implementation of elliptic curves, for cryptographic applications. # # This module doesn't provide any way to choose a random elliptic # curve, nor to verify that an elliptic curve was chosen randomly, # because one can simply use NIST's standard curves. # # Notes from X9.62-1998 (draft): # Nomenclature: # - Q is a public key. # The "Elliptic Curve Domain Parameters" include: # - q is the "field size", which in our case equals p. # - p is a big prime. # - G is a point of prime order (5.1.1.1). # - n is the order of G (5.1.1.1). # Public-key validation (5.2.2): # - Verify that Q is not the point at infinity. # - Verify that X_Q and Y_Q are in [0,p-1]. # - Verify that Q is on the curve. # - Verify that nQ is the point at infinity. # Signature generation (5.3): # - Pick random k from [1,n-1]. # Signature checking (5.4.2): # - Verify that r and s are in [1,n-1]. # # Version of 2008.11.25. # # Revision history: # 2005.12.31 - Initial version. # 2008.11.25 - Change CurveFp.is_on to contains_point. # # Written in 2005 by Peter Pearson and placed in the public domain. from __future__ import division from .six import print_ from . import numbertheory class CurveFp( object ): """Elliptic Curve over the field of integers modulo a prime.""" def __init__( self, p, a, b ): """The curve of points satisfying y^2 = x^3 + a*x + b (mod p).""" self.__p = p self.__a = a self.__b = b def p( self ): return self.__p def a( self ): return self.__a def b( self ): return self.__b def contains_point( self, x, y ): """Is the point (x,y) on this curve?""" return ( y * y - ( x * x * x + self.__a * x + self.__b ) ) % self.__p == 0 class Point( object ): """A point on an elliptic curve. Altering x and y is forbidding, but they can be read by the x() and y() methods.""" def __init__( self, curve, x, y, order = None ): """curve, x, y, order; order (optional) is the order of this point.""" self.__curve = curve self.__x = x self.__y = y self.__order = order # self.curve is allowed to be None only for INFINITY: if self.__curve: assert self.__curve.contains_point( x, y ) if order: assert self * order == INFINITY def __eq__( self, other ): """Return True if the points are identical, False otherwise.""" if self.__curve == other.__curve \ and self.__x == other.__x \ and self.__y == other.__y: return True else: return False def __add__( self, other ): """Add one point to another point.""" # X9.62 B.3: if other == INFINITY: return self if self == INFINITY: return other assert self.__curve == other.__curve if self.__x == other.__x: if ( self.__y + other.__y ) % self.__curve.p() == 0: return INFINITY else: return self.double() p = self.__curve.p() l = ( ( other.__y - self.__y ) * \ numbertheory.inverse_mod( other.__x - self.__x, p ) ) % p x3 = ( l * l - self.__x - other.__x ) % p y3 = ( l * ( self.__x - x3 ) - self.__y ) % p return Point( self.__curve, x3, y3 ) def __mul__( self, other ): """Multiply a point by an integer.""" def leftmost_bit( x ): assert x > 0 result = 1 while result <= x: result = 2 * result return result // 2 e = other if self.__order: e = e % self.__order if e == 0: return INFINITY if self == INFINITY: return INFINITY assert e > 0 # From X9.62 D.3.2: e3 = 3 * e negative_self = Point( self.__curve, self.__x, -self.__y, self.__order ) i = leftmost_bit( e3 ) // 2 result = self # print_("Multiplying %s by %d (e3 = %d):" % ( self, other, e3 )) while i > 1: result = result.double() if ( e3 & i ) != 0 and ( e & i ) == 0: result = result + self if ( e3 & i ) == 0 and ( e & i ) != 0: result = result + negative_self # print_(". . . i = %d, result = %s" % ( i, result )) i = i // 2 return result def __rmul__( self, other ): """Multiply a point by an integer.""" return self * other def __str__( self ): if self == INFINITY: return "infinity" return "(%d,%d)" % ( self.__x, self.__y ) def double( self ): """Return a new point that is twice the old.""" if self == INFINITY: return INFINITY # X9.62 B.3: p = self.__curve.p() a = self.__curve.a() l = ( ( 3 * self.__x * self.__x + a ) * \ numbertheory.inverse_mod( 2 * self.__y, p ) ) % p x3 = ( l * l - 2 * self.__x ) % p y3 = ( l * ( self.__x - x3 ) - self.__y ) % p return Point( self.__curve, x3, y3 ) def x( self ): return self.__x def y( self ): return self.__y def curve( self ): return self.__curve def order( self ): return self.__order # This one point is the Point At Infinity for all purposes: INFINITY = Point( None, None, None ) def __main__(): class FailedTest(Exception): pass def test_add( c, x1, y1, x2, y2, x3, y3 ): """We expect that on curve c, (x1,y1) + (x2, y2 ) = (x3, y3).""" p1 = Point( c, x1, y1 ) p2 = Point( c, x2, y2 ) p3 = p1 + p2 print_("%s + %s = %s" % ( p1, p2, p3 ), end=' ') if p3.x() != x3 or p3.y() != y3: raise FailedTest("Failure: should give (%d,%d)." % ( x3, y3 )) else: print_(" Good.") def test_double( c, x1, y1, x3, y3 ): """We expect that on curve c, 2*(x1,y1) = (x3, y3).""" p1 = Point( c, x1, y1 ) p3 = p1.double() print_("%s doubled = %s" % ( p1, p3 ), end=' ') if p3.x() != x3 or p3.y() != y3: raise FailedTest("Failure: should give (%d,%d)." % ( x3, y3 )) else: print_(" Good.") def test_double_infinity( c ): """We expect that on curve c, 2*INFINITY = INFINITY.""" p1 = INFINITY p3 = p1.double() print_("%s doubled = %s" % ( p1, p3 ), end=' ') if p3.x() != INFINITY.x() or p3.y() != INFINITY.y(): raise FailedTest("Failure: should give (%d,%d)." % ( INFINITY.x(), INFINITY.y() )) else: print_(" Good.") def test_multiply( c, x1, y1, m, x3, y3 ): """We expect that on curve c, m*(x1,y1) = (x3,y3).""" p1 = Point( c, x1, y1 ) p3 = p1 * m print_("%s * %d = %s" % ( p1, m, p3 ), end=' ') if p3.x() != x3 or p3.y() != y3: raise FailedTest("Failure: should give (%d,%d)." % ( x3, y3 )) else: print_(" Good.") # A few tests from X9.62 B.3: c = CurveFp( 23, 1, 1 ) test_add( c, 3, 10, 9, 7, 17, 20 ) test_double( c, 3, 10, 7, 12 ) test_add( c, 3, 10, 3, 10, 7, 12 ) # (Should just invoke double.) test_multiply( c, 3, 10, 2, 7, 12 ) test_double_infinity(c) # From X9.62 I.1 (p. 96): g = Point( c, 13, 7, 7 ) check = INFINITY for i in range( 7 + 1 ): p = ( i % 7 ) * g print_("%s * %d = %s, expected %s . . ." % ( g, i, p, check ), end=' ') if p == check: print_(" Good.") else: raise FailedTest("Bad.") check = check + g # NIST Curve P-192: p = 6277101735386680763835789423207666416083908700390324961279 r = 6277101735386680763835789423176059013767194773182842284081 #s = 0x3045ae6fc8422f64ed579528d38120eae12196d5L c = 0x3099d2bbbfcb2538542dcd5fb078b6ef5f3d6fe2c745de65 b = 0x64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1 Gx = 0x188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012 Gy = 0x07192b95ffc8da78631011ed6b24cdd573f977a11e794811 c192 = CurveFp( p, -3, b ) p192 = Point( c192, Gx, Gy, r ) # Checking against some sample computations presented # in X9.62: d = 651056770906015076056810763456358567190100156695615665659 Q = d * p192 if Q.x() != 0x62B12D60690CDCF330BABAB6E69763B471F994DD702D16A5: raise FailedTest("p192 * d came out wrong.") else: print_("p192 * d came out right.") k = 6140507067065001063065065565667405560006161556565665656654 R = k * p192 if R.x() != 0x885052380FF147B734C330C43D39B2C4A89F29B0F749FEAD \ or R.y() != 0x9CF9FA1CBEFEFB917747A3BB29C072B9289C2547884FD835: raise FailedTest("k * p192 came out wrong.") else: print_("k * p192 came out right.") u1 = 2563697409189434185194736134579731015366492496392189760599 u2 = 6266643813348617967186477710235785849136406323338782220568 temp = u1 * p192 + u2 * Q if temp.x() != 0x885052380FF147B734C330C43D39B2C4A89F29B0F749FEAD \ or temp.y() != 0x9CF9FA1CBEFEFB917747A3BB29C072B9289C2547884FD835: raise FailedTest("u1 * p192 + u2 * Q came out wrong.") else: print_("u1 * p192 + u2 * Q came out right.") if __name__ == "__main__": __main__() usr/lib64/python2.7/site-packages/ecdsa/rfc6979.py0100644000000000000000000000535212222656553020355 0ustar rootroot''' RFC 6979: Deterministic Usage of the Digital Signature Algorithm (DSA) and Elliptic Curve Digital Signature Algorithm (ECDSA) http://tools.ietf.org/html/rfc6979 Many thanks to Coda Hale for his implementation in Go language: https://github.com/codahale/rfc6979 ''' import hmac from binascii import hexlify from .util import number_to_string, number_to_string_crop from .six import b try: bin(0) except NameError: binmap = {"0": "0000", "1": "0001", "2": "0010", "3": "0011", "4": "0100", "5": "0101", "6": "0110", "7": "0111", "8": "1000", "9": "1001", "a": "1010", "b": "1011", "c": "1100", "d": "1101", "e": "1110", "f": "1111"} def bin(value): # for python2.5 v = "".join(binmap[x] for x in "%x"%abs(value)).lstrip("0") if value < 0: return "-0b" + v return "0b" + v def bit_length(num): # http://docs.python.org/dev/library/stdtypes.html#int.bit_length s = bin(num) # binary representation: bin(-37) --> '-0b100101' s = s.lstrip('-0b') # remove leading zeros and minus sign return len(s) # len('100101') --> 6 def bits2int(data, qlen): x = int(hexlify(data), 16) l = len(data) * 8 if l > qlen: return x >> (l-qlen) return x def bits2octets(data, order): z1 = bits2int(data, bit_length(order)) z2 = z1 - order if z2 < 0: z2 = z1 return number_to_string_crop(z2, order) # https://tools.ietf.org/html/rfc6979#section-3.2 def generate_k(generator, secexp, hash_func, data): ''' generator - ECDSA generator used in the signature secexp - secure exponent (private key) in numeric form hash_func - reference to the same hash function used for generating hash data - hash in binary form of the signing data ''' qlen = bit_length(generator.order()) holen = hash_func().digest_size rolen = (qlen + 7) / 8 bx = number_to_string(secexp, generator.order()) + bits2octets(data, generator.order()) # Step B v = b('\x01') * holen # Step C k = b('\x00') * holen # Step D k = hmac.new(k, v+b('\x00')+bx, hash_func).digest() # Step E v = hmac.new(k, v, hash_func).digest() # Step F k = hmac.new(k, v+b('\x01')+bx, hash_func).digest() # Step G v = hmac.new(k, v, hash_func).digest() # Step H while True: # Step H1 t = b('') # Step H2 while len(t) < rolen: v = hmac.new(k, v, hash_func).digest() t += v # Step H3 secret = bits2int(t, qlen) if secret >= 1 and secret < generator.order(): return secret k = hmac.new(k, v+b('\x00'), hash_func).digest() v = hmac.new(k, v, hash_func).digest() usr/lib64/python2.7/site-packages/ecdsa/util.py0100644000000000000000000002321012307440166020205 0ustar rootrootfrom __future__ import division import os import math import binascii from hashlib import sha256 from . import der from .curves import orderlen from .six import PY3, int2byte, b, next # RFC5480: # The "unrestricted" algorithm identifier is: # id-ecPublicKey OBJECT IDENTIFIER ::= { # iso(1) member-body(2) us(840) ansi-X9-62(10045) keyType(2) 1 } oid_ecPublicKey = (1, 2, 840, 10045, 2, 1) encoded_oid_ecPublicKey = der.encode_oid(*oid_ecPublicKey) def randrange(order, entropy=None): """Return a random integer k such that 1 <= k < order, uniformly distributed across that range. For simplicity, this only behaves well if 'order' is fairly close (but below) a power of 256. The try-try-again algorithm we use takes longer and longer time (on average) to complete as 'order' falls, rising to a maximum of avg=512 loops for the worst-case (256**k)+1 . All of the standard curves behave well. There is a cutoff at 10k loops (which raises RuntimeError) to prevent an infinite loop when something is really broken like the entropy function not working. Note that this function is not declared to be forwards-compatible: we may change the behavior in future releases. The entropy= argument (which should get a callable that behaves like os.entropy) can be used to achieve stability within a given release (for repeatable unit tests), but should not be used as a long-term-compatible key generation algorithm. """ # we could handle arbitrary orders (even 256**k+1) better if we created # candidates bit-wise instead of byte-wise, which would reduce the # worst-case behavior to avg=2 loops, but that would be more complex. The # change would be to round the order up to a power of 256, subtract one # (to get 0xffff..), use that to get a byte-long mask for the top byte, # generate the len-1 entropy bytes, generate one extra byte and mask off # the top bits, then combine it with the rest. Requires jumping back and # forth between strings and integers a lot. if entropy is None: entropy = os.urandom assert order > 1 bytes = orderlen(order) dont_try_forever = 10000 # gives about 2**-60 failures for worst case while dont_try_forever > 0: dont_try_forever -= 1 candidate = string_to_number(entropy(bytes)) + 1 if 1 <= candidate < order: return candidate continue raise RuntimeError("randrange() tried hard but gave up, either something" " is very wrong or you got realllly unlucky. Order was" " %x" % order) class PRNG: # this returns a callable which, when invoked with an integer N, will # return N pseudorandom bytes. Note: this is a short-term PRNG, meant # primarily for the needs of randrange_from_seed__trytryagain(), which # only needs to run it a few times per seed. It does not provide # protection against state compromise (forward security). def __init__(self, seed): self.generator = self.block_generator(seed) def __call__(self, numbytes): a = [next(self.generator) for i in range(numbytes)] if PY3: return bytes(a) else: return "".join(a) def block_generator(self, seed): counter = 0 while True: for byte in sha256(("prng-%d-%s" % (counter, seed)).encode()).digest(): yield byte counter += 1 def randrange_from_seed__overshoot_modulo(seed, order): # hash the data, then turn the digest into a number in [1,order). # # We use David-Sarah Hopwood's suggestion: turn it into a number that's # sufficiently larger than the group order, then modulo it down to fit. # This should give adequate (but not perfect) uniformity, and simple # code. There are other choices: try-try-again is the main one. base = PRNG(seed)(2*orderlen(order)) number = (int(binascii.hexlify(base), 16) % (order-1)) + 1 assert 1 <= number < order, (1, number, order) return number def lsb_of_ones(numbits): return (1 << numbits) - 1 def bits_and_bytes(order): bits = int(math.log(order-1, 2)+1) bytes = bits // 8 extrabits = bits % 8 return bits, bytes, extrabits # the following randrange_from_seed__METHOD() functions take an # arbitrarily-sized secret seed and turn it into a number that obeys the same # range limits as randrange() above. They are meant for deriving consistent # signing keys from a secret rather than generating them randomly, for # example a protocol in which three signing keys are derived from a master # secret. You should use a uniformly-distributed unguessable seed with about # curve.baselen bytes of entropy. To use one, do this: # seed = os.urandom(curve.baselen) # or other starting point # secexp = ecdsa.util.randrange_from_seed__trytryagain(sed, curve.order) # sk = SigningKey.from_secret_exponent(secexp, curve) def randrange_from_seed__truncate_bytes(seed, order, hashmod=sha256): # hash the seed, then turn the digest into a number in [1,order), but # don't worry about trying to uniformly fill the range. This will lose, # on average, four bits of entropy. bits, bytes, extrabits = bits_and_bytes(order) if extrabits: bytes += 1 base = hashmod(seed).digest()[:bytes] base = "\x00"*(bytes-len(base)) + base number = 1+int(binascii.hexlify(base), 16) assert 1 <= number < order return number def randrange_from_seed__truncate_bits(seed, order, hashmod=sha256): # like string_to_randrange_truncate_bytes, but only lose an average of # half a bit bits = int(math.log(order-1, 2)+1) maxbytes = (bits+7) // 8 base = hashmod(seed).digest()[:maxbytes] base = "\x00"*(maxbytes-len(base)) + base topbits = 8*maxbytes - bits if topbits: base = int2byte(ord(base[0]) & lsb_of_ones(topbits)) + base[1:] number = 1+int(binascii.hexlify(base), 16) assert 1 <= number < order return number def randrange_from_seed__trytryagain(seed, order): # figure out exactly how many bits we need (rounded up to the nearest # bit), so we can reduce the chance of looping to less than 0.5 . This is # specified to feed from a byte-oriented PRNG, and discards the # high-order bits of the first byte as necessary to get the right number # of bits. The average number of loops will range from 1.0 (when # order=2**k-1) to 2.0 (when order=2**k+1). assert order > 1 bits, bytes, extrabits = bits_and_bytes(order) generate = PRNG(seed) while True: extrabyte = b("") if extrabits: extrabyte = int2byte(ord(generate(1)) & lsb_of_ones(extrabits)) guess = string_to_number(extrabyte + generate(bytes)) + 1 if 1 <= guess < order: return guess def number_to_string(num, order): l = orderlen(order) fmt_str = "%0" + str(2*l) + "x" string = binascii.unhexlify((fmt_str % num).encode()) assert len(string) == l, (len(string), l) return string def number_to_string_crop(num, order): l = orderlen(order) fmt_str = "%0" + str(2*l) + "x" string = binascii.unhexlify((fmt_str % num).encode()) return string[:l] def string_to_number(string): return int(binascii.hexlify(string), 16) def string_to_number_fixedlen(string, order): l = orderlen(order) assert len(string) == l, (len(string), l) return int(binascii.hexlify(string), 16) # these methods are useful for the sigencode= argument to SK.sign() and the # sigdecode= argument to VK.verify(), and control how the signature is packed # or unpacked. def sigencode_strings(r, s, order): r_str = number_to_string(r, order) s_str = number_to_string(s, order) return (r_str, s_str) def sigencode_string(r, s, order): # for any given curve, the size of the signature numbers is # fixed, so just use simple concatenation r_str, s_str = sigencode_strings(r, s, order) return r_str + s_str def sigencode_der(r, s, order): return der.encode_sequence(der.encode_integer(r), der.encode_integer(s)) # canonical versions of sigencode methods # these enforce low S values, by negating the value (modulo the order) if above order/2 # see CECKey::Sign() https://github.com/bitcoin/bitcoin/blob/master/src/key.cpp#L214 def sigencode_strings_canonize(r, s, order): if s > order / 2: s = order - s return sigencode_strings(r, s, order) def sigencode_string_canonize(r, s, order): if s > order / 2: s = order - s return sigencode_string(r, s, order) def sigencode_der_canonize(r, s, order): if s > order / 2: s = order - s return sigencode_der(r, s, order) def sigdecode_string(signature, order): l = orderlen(order) assert len(signature) == 2*l, (len(signature), 2*l) r = string_to_number_fixedlen(signature[:l], order) s = string_to_number_fixedlen(signature[l:], order) return r, s def sigdecode_strings(rs_strings, order): (r_str, s_str) = rs_strings l = orderlen(order) assert len(r_str) == l, (len(r_str), l) assert len(s_str) == l, (len(s_str), l) r = string_to_number_fixedlen(r_str, order) s = string_to_number_fixedlen(s_str, order) return r, s def sigdecode_der(sig_der, order): #return der.encode_sequence(der.encode_integer(r), der.encode_integer(s)) rs_strings, empty = der.remove_sequence(sig_der) if empty != b(""): raise der.UnexpectedDER("trailing junk after DER sig: %s" % binascii.hexlify(empty)) r, rest = der.remove_integer(rs_strings) s, empty = der.remove_integer(rest) if empty != b(""): raise der.UnexpectedDER("trailing junk after DER numbers: %s" % binascii.hexlify(empty)) return r, s usr/lib64/python2.7/site-packages/ecdsa-0.11-py2.7.egg-info0100644000000000000000000000114212311676135021527 0ustar rootrootMetadata-Version: 1.1 Name: ecdsa Version: 0.11 Summary: ECDSA cryptographic signature library (pure python) Home-page: http://github.com/warner/python-ecdsa Author: Brian Warner Author-email: warner-pyecdsa@lothar.com License: MIT Description: UNKNOWN Platform: UNKNOWN Classifier: Programming Language :: Python Classifier: Programming Language :: Python :: 2 Classifier: Programming Language :: Python :: 2.6 Classifier: Programming Language :: Python :: 2.7 Classifier: Programming Language :: Python :: 3 Classifier: Programming Language :: Python :: 3.2 Classifier: Programming Language :: Python :: 3.3 usr/doc/0040755000000000000000000000000012311676135011143 5ustar rootrootusr/doc/python-ecdsa-0.11/0040755000000000000000000000000012311676135014116 5ustar rootrootusr/doc/python-ecdsa-0.11/README.md0100644000000000000000000003133012300472601015360 0ustar rootroot# Pure-Python ECDSA [![build status](https://travis-ci.org/warner/python-ecdsa.png)](http://travis-ci.org/warner/python-ecdsa) This is an easy-to-use implementation of ECDSA cryptography (Elliptic Curve Digital Signature Algorithm), implemented purely in Python, released under the MIT license. With this library, you can quickly create keypairs (signing key and verifying key), sign messages, and verify the signatures. The keys and signatures are very short, making them easy to handle and incorporate into other protocols. ## Features This library provides key generation, signing, and verifying, for five popular NIST "Suite B" GF(p) curves, with key lengths of 192, 224, 256, 384, and 521 bits. The "short names" for these curves, as known by the OpenSSL tool, are: prime192v1, secp224r1, prime256v1, secp384r1, and secp521r1. No other curves are included, but it would not be too hard to add more. ## Dependencies This library uses only Python. It requires python2.6 or later versions of the python2.x series. It is also compatible with python3.2 and 3.3. To run the OpenSSL compatibility tests, the 'openssl' tool must be on your $PATH. This release has been tested successfully against both OpenSSL 0.9.8o and 1.0.0a . ## Speed The following table shows how long this library takes to generate keypairs (keygen=), to sign data (sign=), and to verify those signatures (verify=), on my 2008 Mac laptop. All times are in seconds. It also shows the length of a signature (in bytes): the verifying ("public") key is typically the same length as the signature, and the signing ("private") key is half that length. * NIST192p: siglen= 48, keygen=0.160s, sign=0.058s, verify=0.116s * NIST224p: siglen= 56, keygen=0.230s, sign=0.086s, verify=0.165s * NIST256p: siglen= 64, keygen=0.305s, sign=0.112s, verify=0.220s * NIST384p: siglen= 96, keygen=0.801s, sign=0.289s, verify=0.558s * NIST521p: siglen=132, keygen=1.582s, sign=0.584s, verify=1.152s For comparison, a quality C++ implementation of ECDSA (Crypto++) typically computes a NIST256p signature in 2.88ms and a verification in 8.53ms, about 30-40x faster. Keys and signature can be serialized in different ways (see Usage, below). For a NIST192p key, the three basic representations require strings of the following lengths (in bytes): to_string: signkey= 24, verifykey= 48, signature=48 DER: signkey=106, verifykey= 80, signature=55 PEM: signkey=278, verifykey=162, (no support for PEM signatures) ## History In 2006, Peter Pearson announced his pure-python implementation of ECDSA in a [message to sci.crypt][1], available from his [download site][2]. In 2010, Brian Warner wrote a wrapper around this code, to make it a bit easier and safer to use. You are looking at the README for this wrapper. [1]: http://www.derkeiler.com/Newsgroups/sci.crypt/2006-01/msg00651.html [2]: http://webpages.charter.net/curryfans/peter/downloads.html ## Testing There are four test suites, three for the original Pearson module, and one more for the wrapper. To run them all, do this: python ecdsa/numbertheory.py # look for "****" and "failed" for problems python ecdsa/ellipticcurve.py # look for "Bad" for problems python ecdsa/ecdsa.py # look for "****" and "failed" for problems python ecdsa/test_pyecdsa.py # look for "FAILED" for problems On my 2009 Mac laptop, the combined tests take about 34 seconds to run. On a 2.4GHz P4 Linux box, they take 81 seconds. One component of `test_pyecdsa.py` checks compatibility with OpenSSL, by running the "openssl" CLI tool. If this tool is not on your $PATH, you may want to comment out this test (the easiest way is to add a line that says "del OpenSSL" to the end of test_pyecdsa.py). ## Security This library does not protect against timing attacks. Do not allow attackers to measure how long it takes you to generate a keypair or sign a message. This library depends upon a strong source of random numbers. Do not use it on a system where os.urandom() is weak. ## Usage You start by creating a SigningKey. You can use this to sign data, by passing in a data string and getting back the signature (also a string). You can also ask a SigningKey to give you the corresponding VerifyingKey. The VerifyingKey can be used to verify a signature, by passing it both the data string and the signature string: it either returns True or raises BadSignatureError. from ecdsa import SigningKey sk = SigningKey.generate() # uses NIST192p vk = sk.get_verifying_key() signature = sk.sign("message") assert vk.verify(signature, "message") Each SigningKey/VerifyingKey is associated with a specific curve, like NIST192p (the default one). Longer curves are more secure, but take longer to use, and result in longer keys and signatures. from ecdsa import SigningKey, NIST384p sk = SigningKey.generate(curve=NIST384p) vk = sk.get_verifying_key() signature = sk.sign("message") assert vk.verify(signature, "message") The SigningKey can be serialized into several different formats: the shortest is to call `s=sk.to_string()`, and then re-create it with `SigningKey.from_string(s, curve)` . This short form does not record the curve, so you must be sure to tell from_string() the same curve you used for the original key. The short form of a NIST192p-based signing key is just 24 bytes long. from ecdsa import SigningKey, NIST384p sk = SigningKey.generate(curve=NIST384p) sk_string = sk.to_string() sk2 = SigningKey.from_string(sk_string, curve=NIST384p) # sk and sk2 are the same key `sk.to_pem()` and `sk.to_der()` will serialize the signing key into the same formats that OpenSSL uses. The PEM file looks like the familiar ASCII-armored `"-----BEGIN EC PRIVATE KEY-----"` base64-encoded format, and the DER format is a shorter binary form of the same data. `SigningKey.from_pem()/.from_der()` will undo this serialization. These formats include the curve name, so you do not need to pass in a curve identifier to the deserializer. from ecdsa import SigningKey, NIST384p sk = SigningKey.generate(curve=NIST384p) sk_pem = sk.to_pem() sk2 = SigningKey.from_pem(sk_pem) # sk and sk2 are the same key Likewise, the VerifyingKey can be serialized in the same way: `vk.to_string()/VerifyingKey.from_string()`, `to_pem()/from_pem()`, and `to_der()/from_der()`. The same curve= argument is needed for `VerifyingKey.from_string()`. from ecdsa import SigningKey, VerifyingKey, NIST384p sk = SigningKey.generate(curve=NIST384p) vk = sk.get_verifying_key() vk_string = vk.to_string() vk2 = VerifyingKey.from_string(vk_string, curve=NIST384p) # vk and vk2 are the same key from ecdsa import SigningKey, VerifyingKey, NIST384p sk = SigningKey.generate(curve=NIST384p) vk = sk.get_verifying_key() vk_pem = vk.to_pem() vk2 = VerifyingKey.from_pem(vk_pem) # vk and vk2 are the same key There are a couple of different ways to compute a signature. Fundamentally, ECDSA takes a number that represents the data being signed, and returns a pair of numbers that represent the signature. The hashfunc= argument to `sk.sign()` and `vk.verify()` is used to turn an arbitrary string into fixed-length digest, which is then turned into a number that ECDSA can sign, and both sign and verify must use the same approach. The default value is hashlib.sha1, but if you use NIST256p or a longer curve, you can use hashlib.sha256 instead. There are also multiple ways to represent a signature. The default `sk.sign()` and `vk.verify()` methods present it as a short string, for simplicity and minimal overhead. To use a different scheme, use the `sk.sign(sigencode=)` and `vk.verify(sigdecode=)` arguments. There are helper funcions in the "ecdsa.util" module that can be useful here. It is also possible to create a SigningKey from a "seed", which is deterministic. This can be used in protocols where you want to derive consistent signing keys from some other secret, for example when you want three separate keys and only want to store a single master secret. You should start with a uniformly-distributed unguessable seed with about curve.baselen bytes of entropy, and then use one of the helper functions in ecdsa.util to convert it into an integer in the correct range, and then finally pass it into `SigningKey.from_secret_exponent()`, like this: from pyecdsa import NIST384p, SigningKey from pyecdsa.util import randrange_from_seed__trytryagain def make_key(seed): secexp = randrange_from_seed__trytryagain(seed, NIST384p.order) return SigningKey.from_secret_exponent(secexp, curve=NIST384p) seed = os.urandom(NIST384p.baselen) # or other starting point sk1a = make_key(seed) sk1b = make_key(seed) # note: sk1a and sk1b are the same key sk2 = make_key("2-"+seed) # different key ## OpenSSL Compatibility To produce signatures that can be verified by OpenSSL tools, or to verify signatures that were produced by those tools, use: # openssl ecparam -name secp224r1 -genkey -out sk.pem # openssl ec -in sk.pem -pubout -out vk.pem # openssl dgst -ecdsa-with-SHA1 -sign sk.pem -out data.sig data # openssl dgst -ecdsa-with-SHA1 -verify vk.pem -signature data.sig data # openssl dgst -ecdsa-with-SHA1 -prverify sk.pem -signature data.sig data sk.sign(msg, hashfunc=hashlib.sha1, sigencode=ecdsa.util.sigencode_der) vk.verify(sig, msg, hashfunc=hashlib.sha1, sigdecode=ecdsa.util.sigdecode_der) The keys that openssl handles can be read and written as follows: sk = SigningKey.from_pem(open("sk.pem").read()) open("sk.pem","w").write(sk.to_pem()) vk = VerifyingKey.from_pem(open("vk.pem").read()) open("vk.pem","w").write(vk.to_pem()) ## Entropy Creating a signing key with `SigningKey.generate()` requires some form of entropy (as opposed to `from_secret_exponent/from_string/from_der/from_pem`, which are deterministic and do not require an entropy source). The default source is `os.urandom()`, but you can pass any other function that behaves like os.urandom as the entropy= argument to do something different. This may be useful in unit tests, where you want to achieve repeatable results. The ecdsa.util.PRNG utility is handy here: it takes a seed and produces a strong pseudo-random stream from it: from ecdsa.util import PRNG from ecdsa import SigningKey rng1 = PRNG("seed") sk1 = SigningKey.generate(entropy=rng1) rng2 = PRNG("seed") sk2 = SigningKey.generate(entropy=rng2) # sk1 and sk2 are the same key Likewise, ECDSA signature generation requires a random number, and each signature must use a different one (using the same number twice will immediately reveal the private signing key). The `sk.sign()` method takes an entropy= argument which behaves the same as `SigningKey.generate(entropy=)`. ## Deterministic Signatures If you call `SigningKey.sign_deterministic(data)` instead of `.sign(data)`, the code will generate a deterministic signature instead of a random one. This uses the algorithm from RFC6979 to safely generate a unique `k` value, derived from the private key and the message being signed. Each time you sign the same message with the same key, you will get the same signature (using the same `k`). This may become the default in a future version, as it is not vulnerable to failures of the entropy source. ## Examples Create a NIST192p keypair and immediately save both to disk: from ecdsa import SigningKey sk = SigningKey.generate() vk = sk.get_verifying_key() open("private.pem","w").write(sk.to_pem()) open("public.pem","w").write(vk.to_pem()) Load a signing key from disk, use it to sign a message, and write the signature to disk: from ecdsa import SigningKey sk = SigningKey.from_pem(open("private.pem").read()) message = open("message","rb").read() sig = sk.sign(message) open("signature","wb").write(sig) Load the verifying key, message, and signature from disk, and verify the signature: from ecdsa import VerifyingKey, BadSignatureError vk = VerifyingKey.from_pem(open("public.pem").read()) message = open("message","rb").read() sig = open("signature","rb").read() try: vk.verify(sig, message) print "good signature" except BadSignatureError: print "BAD SIGNATURE" Create a NIST521p keypair from ecdsa import SigningKey, NIST521p sk = SigningKey.generate(curve=NIST521p) vk = sk.get_verifying_key() Create three independent signing keys from a master seed: from pyecdsa import NIST192p, SigningKey from pyecdsa.util import randrange_from_seed__trytryagain def make_key_from_seed(seed, curve=NIST192p): secexp = randrange_from_seed__trytryagain(seed, curve.order) return SigningKey.from_secret_exponent(secexp, curve) sk1 = make_key_from_seed("1:%s" % seed) sk2 = make_key_from_seed("2:%s" % seed) sk3 = make_key_from_seed("3:%s" % seed) usr/doc/python-ecdsa-0.11/LICENSE0100644000000000000000000000217311365633076015130 0ustar rootroot"python-ecdsa" Copyright (c) 2010 Brian Warner Portions written in 2005 by Peter Pearson and placed in the public domain. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. usr/doc/python-ecdsa-0.11/NEWS0100644000000000000000000000347612307440603014616 0ustar rootroot* Release 0.11 (10 Mar 2014) Add signature-encoding functions "sigencode_{strings,string,der}_canonize" which canonicalize the S value (using the smaller of the two possible values). Add "validate_point=" argument to VerifyingKey.from_string() constructor (defaults to True) which can be used to disable time-consuming point validation when importing a pre-validated verifying key. Drop python2.5 support (untested but not explicitly broken yet), update trove classifiers. * Release 0.10 (23 Oct 2013) Make the secp256k1 available in __init__.py too (thanks to Scott Bannert). * Release 0.9 (01 Oct 2013) Add secp256k1 curve (thanks to Benjamin Dauvergne). Add deterministic (no entropy needed) signatures (thanks to slush). Added py3.2/py3.3 compatibility (thanks to Elizabeth Myers). * Release 0.8 (04 Oct 2011) Small API addition: accept a hashfunc= argument in the constructors for SigningKey and VerifyingKey. This makes it easier to write wrappers that e.g. use NIST256p and SHA256 without their obligating callers to pass hashfunc=sha256 in each time they call sign() or verify(). * Release 0.7 (28 Nov 2010) Fix test failure against OpenSSL-1.0.0 (previous versions only worked against openssl-0.9.8 or earlier). Increase python requirement to py2.5 or later (still no py3 compatibility, but work is underway). Replace use of obsolete 'sha' library with modern 'hashlib'. Clean up unit test runner (stop using subprocesses). * Release 0.6 (15 Oct 2010) Small packaging changes: extract version number from git, add 'setup.py test' command, set exit code correctly on test failure. Fix pyflakes warnings. * Release 0.5 (27 Apr 2010) Initial release. EC-DSA signature for five NIST "Suite B" GF(p) curves: prime192v1, secp224r1, prime256v1, secp384r1, and secp521r1. DER/PEM input/output functions, seed-to-randrange helper functions. usr/doc/python-ecdsa-0.11/python-ecdsa.SlackBuild0100644000000000000000000001403312311676135020451 0ustar rootroot#!/bin/sh # $Id: python-ecdsa.SlackBuild,v 1.2 2014/03/17 21:20:44 root Exp root $ # Copyright 2014 Eric Hameleers, Eindhoven, NL # All rights reserved. # # Permission to use, copy, modify, and distribute this software for # any purpose with or without fee is hereby granted, provided that # the above copyright notice and this permission notice appear in all # copies. # # THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED # WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. # IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF # SUCH DAMAGE. # ----------------------------------------------------------------------------- # # Slackware SlackBuild script # =========================== # By: Eric Hameleers # For: python-ecdsa # Descr: ECDSA cryptographic signature library # URL: https://pypi.python.org/pypi/ecdsa/ # Needs: pysetuptools # Changelog: # 0.6.1-1: 17/mar/2014 by Eric Hameleers # * Initial build. # # Run 'sh python-ecdsa.SlackBuild' to build a Slackware package. # The package (.tgz) and .txt file as well as build logs are created in /tmp . # Install it using 'installpkg'. # # ----------------------------------------------------------------------------- PRGNAM=python-ecdsa SRCNAM=ecdsa VERSION=${VERSION:-0.11} BUILD=${BUILD:-1} NUMJOBS=${NUMJOBS:" -j4 "} TAG=${TAG:-alien} DOCS="LICENSE NEWS PKG-INFO README*" # Where do we look for sources? SRCDIR=$(cd $(dirname $0); pwd) # Place to build (TMP) package (PKG) and output (OUTPUT) the program: TMP=${TMP:-/tmp/build} PKG=$TMP/package-$PRGNAM OUTPUT=${OUTPUT:-/tmp} SOURCE="$SRCDIR/${SRCNAM}-${VERSION}.tar.gz" SRCURL="https://pypi.python.org/packages/source/e/${SRCNAM}/${SRCNAM}-${VERSION}.tar.gz" ## ## --- with a little luck, you won't have to edit below this point --- ## ## # Automatically determine the architecture we're building on: MARCH=$( uname -m ) if [ -z "$ARCH" ]; then case "$MARCH" in i?86) export ARCH=i486 ;; armv7hl) export ARCH=$MARCH ;; armv6hl) export ARCH=$MARCH ;; armv5hl) export ARCH=$MARCH ;; arm*) export ARCH=arm ;; # Unless $ARCH is already set, use uname -m for all other archs: *) export ARCH=$MARCH ;; esac fi # Exit the script on errors: set -e trap 'echo "$0 FAILED at line ${LINENO}" | tee $OUTPUT/error-${PRGNAM}.log' ERR # Catch unitialized variables: set -u P1=${1:-1} # Save old umask and set to 0022: _UMASK_=$(umask) umask 0022 # Create working directories: mkdir -p $OUTPUT # place for the package to be saved mkdir -p $TMP/tmp-$PRGNAM # location to build the source mkdir -p $PKG # place for the package to be built rm -rf $PKG/* # always erase old package's contents rm -rf $TMP/tmp-$PRGNAM/* # remove the remnants of previous build rm -rf $OUTPUT/{configure,make,install,error,makepkg}-$PRGNAM.log # remove old log files # Source file availability: if ! [ -f ${SOURCE} ]; then echo "Source '$(basename ${SOURCE})' not available yet..." # Check if the $SRCDIR is writable at all - if not, download to $OUTPUT [ -w "$SRCDIR" ] || SOURCE="$OUTPUT/$(basename $SOURCE)" if [ -f ${SOURCE} ]; then echo "Ah, found it!"; continue; fi if ! [ "x${SRCURL}" == "x" ]; then echo "Will download file to $(dirname $SOURCE)" wget --no-check-certificate -nv -T 20 -O "${SOURCE}" "${SRCURL}" || true if [ $? -ne 0 -o ! -s "${SOURCE}" ]; then echo "Downloading '$(basename ${SOURCE})' failed... aborting the build." mv -f "${SOURCE}" "${SOURCE}".FAIL exit 1 fi else echo "File '$(basename ${SOURCE})' not available... aborting the build." exit 1 fi fi if [ "$P1" == "--download" ]; then echo "Download complete." exit 0 fi # --- PACKAGE BUILDING --- echo "++" echo "|| $PRGNAM-$VERSION" echo "++" cd $TMP/tmp-$PRGNAM echo "Extracting the source archive(s) for $PRGNAM..." tar -xvf ${SOURCE} cd ${SRCNAM}-${VERSION} chown -R root:root . chmod -R u+w,go+r-w,a+X-s . echo Building ... python setup.py install --root=$PKG 2>&1 | tee $OUTPUT/install-$PRGNAM.log # Add documentation: mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION || true cat $SRCDIR/$(basename $0) > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild chown -R root:root $PKG/usr/doc/$PRGNAM-$VERSION find $PKG/usr/doc -type f -exec chmod 644 {} \; # Compress the man page(s): if [ -d $PKG/usr/man ]; then find $PKG/usr/man -type f -name "*.?" -exec gzip -9f {} \; for i in $(find $PKG/usr/man -type l -name "*.?") ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done fi # Strip binaries (if any): find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \ | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true # Add a package description: mkdir -p $PKG/install cat $SRCDIR/slack-desc > $PKG/install/slack-desc cat $SRCDIR/slack-required > $PKG/install/slack-required # Build the package: cd $PKG makepkg --linkadd y --chown n $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-tgz} 2>&1 | tee $OUTPUT/makepkg-${PRGNAM}.log cd $OUTPUT md5sum ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-tgz} > ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-tgz}.md5 cd - cat $PKG/install/slack-desc | grep "^${PRGNAM}" > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.txt cat $PKG/install/slack-required > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.dep # Restore the original umask: umask ${_UMASK_} usr/doc/python-ecdsa-0.11/PKG-INFO0100644000000000000000000000114212307441240015176 0ustar rootrootMetadata-Version: 1.1 Name: ecdsa Version: 0.11 Summary: ECDSA cryptographic signature library (pure python) Home-page: http://github.com/warner/python-ecdsa Author: Brian Warner Author-email: warner-pyecdsa@lothar.com License: MIT Description: UNKNOWN Platform: UNKNOWN Classifier: Programming Language :: Python Classifier: Programming Language :: Python :: 2 Classifier: Programming Language :: Python :: 2.6 Classifier: Programming Language :: Python :: 2.7 Classifier: Programming Language :: Python :: 3 Classifier: Programming Language :: Python :: 3.2 Classifier: Programming Language :: Python :: 3.3 install/0040755000000000000000000000000012311676136011234 5ustar rootrootinstall/slack-desc0100644000000000000000000000214412311676136013166 0ustar rootroot# HOW TO EDIT THIS FILE: # The "handy ruler" below makes it easier to edit a package description. Line # up the first '|' above the ':' following the base package name, and the '|' # on the right side marks the last column you can put a character in. You must # make exactly 11 lines for the formatting to be correct. It's also # customary to leave one space after the ':'. |-----handy-ruler------------------------------------------------------| python-ecdsa: python-ecdsa (ECDSA cryptographic signature library) python-ecdsa: python-ecdsa: This is an easy-to-use implementation of ECDSA cryptography python-ecdsa: (Elliptic Curve Digital Signature Algorithm), implemented purely python-ecdsa: in Python, released under the MIT license. python-ecdsa: With this library, you can quickly create keypairs (signing key python-ecdsa: and verifying key), sign messages, and verify the signatures. python-ecdsa: The keys and signatures are very short, making them easy python-ecdsa: to handle and incorporate into other protocols. python-ecdsa: python-ecdsa: python-ecdsa home: https://pypi.python.org/pypi/ecdsa/ install/slack-required0100644000000000000000000000001612311676136014064 0ustar rootrootpysetuptools