i;SSKJr SSKJr SSKJr SSKJr SSKJ r SSK J r SS/r "S S\ 5r"S S \5r"S S \5r"SS\5rSSjrg)) DerSequence) long_to_bytes)Integer)HMAC)EccKey)DsaKey DssSigSchemenewc<\rSrSrSrSrSrSrSrSr Sr S r g ) r -z_A (EC)DSA signature object. Do not instantiate directly. Use :func:`Crypto.Signature.DSS.new`. cXlX lX0lURR5UlURS- S-S-Ulg)zCreate a new Digital Signature Standard (DSS) object. Do not instantiate this object directly, use `Crypto.Signature.DSS.new` instead. N)_key _encoding_order size_in_bits _order_bits _order_bytes)selfkeyencodingorders O/var/www/html/trading/venv/lib/python3.13/site-packages/Crypto/Signature/DSS.py__init__DssSigScheme.__init__3sE ! ;;335!--1a7!;c6URR5$)zJReturn ``True`` if this signature object can be used for signing messages.)r has_private)rs rcan_signDssSigScheme.can_signAsyy$$&&rc[S5eNzTo be provided by subclassesNotImplementedErrorrmsg_hashs r_compute_nonceDssSigScheme._compute_nonceG!"@AArc[S5er#r$r&s r _valid_hashDssSigScheme._valid_hashJr*rc  URR5(d [S5eURU5(d [ S5eUR U5n[ R"UR5SUR5nURRX25nURS:Xa7SRUVs/sHn[XPR5PM sn5nU$[U5R5nU$s snf)aCompute the DSA/ECDSA signature of a message. Args: msg_hash (hash object): The hash that was carried out over the message. The object belongs to the :mod:`Crypto.Hash` package. Under mode ``'fips-186-3'``, the hash must be a FIPS approved secure hash (SHA-2 or SHA-3). :return: The signature as ``bytes`` :raise ValueError: if the hash algorithm is incompatible to the (EC)DSA key :raise TypeError: if the (EC)DSA key has no private half zPrivate key is needed to signHash is not sufficiently strongNbinaryr)rr TypeErrorr, ValueErrorr(r from_bytesdigestr_signrjoinrrencode)rr'noncezsig_pairxoutputs rsignDssSigScheme.signMsyy$$&&;< <))>? ?##H-   x01C$2C2CD E99??1, >>X %XX(02(01 -Q0A0AB(023F !*113F 2sD cURU5(d [S5eURS:Xal[U5SUR-:wa [S5eUSURX RS4Vs/sHn[ R "U5PM snupEOc[5RUSS9n[U5S:wdUR5(d [S 5e[ US 5[ US 5pTS Us=:aUR:aO OS Us=:aUR:d O [S 5e[ R "UR5SUR5nURRXtU45nU(d [S 5egs snf![[4a [S5ef=f)aCheck if a certain (EC)DSA signature is authentic. Args: msg_hash (hash object): The hash that was carried out over the message. This is an object belonging to the :mod:`Crypto.Hash` module. Under mode ``'fips-186-3'``, the hash must be a FIPS approved secure hash (SHA-2 or SHA-3). signature (``bytes``): The signature that needs to be validated. :raise ValueError: if the signature is not authentic r/r0z'The signature is not authentic (length)NT)strictz$The signature is not authentic (DER)z,The signature is not authentic (DER content)rrz"The signature is not authentic (d)zThe signature is not authenticF)r,r2rlenrrr3rdecode IndexError hasOnlyIntsrr4r_verify) rr' signaturer;r_primes_primeder_seqr9results rverifyDssSigScheme.verifyzs ))>? ? >>X %9~!d&7&7"78 !JKK*34FT5F5F*G*34E4E4F*G*I J*IA!( 2 21 5*I J GW I%-..y.F7|q (;(;(=(= !OPP&wqz2GGAJ4GWG)dkk)1w3L3LAB B   x01C$2C2CD E""1&89=> >) J  + I !GHH Is8 F F%%G)rrrrrN) __name__ __module__ __qualname____firstlineno____doc__rr r(r,r=rL__static_attributes__rrr r -s( <' BB+Z*rcF^\rSrSrU4SjrSrSrSrSrSr Sr U=r $) DeterministicDsaSigSchemec:>[[U] XU5 X@lgN)superrVr _private_key)rrrr private_key __class__s rr"DeterministicDsaSigScheme.__init__s '7uM'rc[R"U5nURR5n[ U5S-nXC:aX$U- -nU$)zSee 2.3.2 in RFC6979r)rr3rrrB)rbstrrKq_lenb_lens r _bits2int#DeterministicDsaSigScheme._bits2intsI##D) ((*D A  =  &F rcdSUs=:aUR:de e[XR5$)zSee 2.3.3 in RFC6979r)rrr)r int_mod_qs r _int2octets%DeterministicDsaSigScheme._int2octetss29*t{{*****Y(9(9::rcURU5nX R:aUnOX R- nURU5$)zSee 2.3.4 in RFC6979)rcrrg)rr`z1z2s r _bits2octets&DeterministicDsaSigScheme._bits2octetss>^^D ! Bkk!B##rcbUR5nSUR-nSUR-nSH~n[R"UX5-UR UR 5-UR U5-U5R5n[R"XCU5R5nM SnSUs=:aUR:dO US:waM[R"XCS-U5R5n[R"XCU5R5nSn[U5UR:aD[R"XCU5R5nXs- n[U5UR:aMDURU5nSUs=:aUR:dMU$ NU$)z!Generate k in a deterministic way)rprorr) r4 digest_sizerr rgr[rlrrBrrc)rmhashh1mask_vnonce_kint_octr8mask_ts rr((DeterministicDsaSigScheme._compute_nonces \\^5,,,E---)Ghhw%/#//0A0AB C#004 56;=>DVX  XXgu5<<>F*u*t{{*{((7W,<#(**0&('59@@BFf+ 1 11'59@@B f+ 1 11 NN6*E!u*t{{*" #+" rcg)NTrTr&s rr,%DeterministicDsaSigScheme._valid_hashsr)r[) rNrOrPrQrrcrgrlr(r,rS __classcell__r]s@rrVrVs'( ; $&PrrVc8^\rSrSrSrU4SjrSrSrSrU=r $)FipsDsaSigScheme))i))r)i rc>[[U] XU5 X@l[ UR 5R 5nXPR4UR;aSXPR4-n[U5eg)Nz+L/N (%d, %d) is not compliant to FIPS 186-3) rZrr _randfuncrprr_fips_186_3_L_Nr2)rrrrrandfuncLerrorr]s rrFipsDsaSigScheme.__init__sm .seD! CEEN ' ' )  (<(< <B++,-EU# # =rcV[R"SURURS9$Nr) min_inclusive max_exclusiver)r random_rangerrr&s rr(FipsDsaSigScheme._compute_nonce s%##!26++-1^^= =rcdURS:H=(d URRS5$)z*Verify that SHA-1, SHA-2 or SHA-3 are usedz 1.3.14.3.2.26z2.16.840.1.101.3.4.2.)oid startswithr&s rr,FipsDsaSigScheme._valid_hashs- /A ''(?@ Brr) rNrOrPrQrrr(r,rSr|r}s@rrrs O$= BBrrc4^\rSrSrU4SjrSrSrSrU=r$)FipsEcDsaSigSchemeic:>[[U] XU5 X@lgrY)rZrrr)rrrrrr]s rrFipsEcDsaSigScheme.__init__s  $0F!rc~[R"SURRRUR S9$r)rrr_curverrr&s rr(!FipsEcDsaSigScheme._compute_nonces1##!26))2B2B2H2H-1^^= =rcURRR5nSnSnSnSnX4-U-U-nURU;nU$![a SnU$f=f)zpVerify that the strength of the hash matches or exceeds the strength of the EC. We fail if the hash is too weak.)z2.16.840.1.101.3.4.2.4z2.16.840.1.101.3.4.2.7z2.16.840.1.101.3.4.2.5)z2.16.840.1.101.3.4.2.1z2.16.840.1.101.3.4.2.8z2.16.840.1.101.3.4.2.6)z2.16.840.1.101.3.4.2.2z2.16.840.1.101.3.4.2.9)z2.16.840.1.101.3.4.2.3z2.16.840.1.101.3.4.2.10F)rpointQrrAttributeError) rr' modulus_bitssha224sha256sha384sha512shsrKs rr,FipsEcDsaSigScheme._valid_hash"syyy''446 `_EFo&/ \\S(F  F  sA AAr) rNrOrPrQrr(r,rSr|r}s@rrrs"= rrNcbUS;a[SU-5e[U[5(aDURRnSnUR R S5(d [S5eOM[U[5(a[UR5nSnO [S[[U55-5eUR5(a [X5nOSnUS :Xa [XXF5$US :Xa-[U[5(a [XXC5$[!XXC5$[S U-5e) a Create a signature object :class:`DssSigScheme` that can perform (EC)DSA signature or verification. .. note:: Refer to `NIST SP 800 Part 1 Rev 4`_ (or newer release) for an overview of the recommended key lengths. Args: key (:class:`Crypto.PublicKey.DSA` or :class:`Crypto.PublicKey.ECC`): The key to use for computing the signature (*private* keys only) or for verifying one. For DSA keys, let ``L`` and ``N`` be the bit lengths of the modulus ``p`` and of ``q``: the pair ``(L,N)`` must appear in the following list, in compliance to section 4.2 of `FIPS 186-4`_: - (1024, 160) *legacy only; do not create new signatures with this* - (2048, 224) *deprecated; do not create new signatures with this* - (2048, 256) - (3072, 256) For ECC, only keys over P-224, P-256, P-384, and P-521 are accepted. mode (string): The parameter can take these values: - ``'fips-186-3'``. The signature generation is randomized and carried out according to `FIPS 186-3`_: the nonce ``k`` is taken from the RNG. - ``'deterministic-rfc6979'``. The signature generation is not randomized. See RFC6979_. encoding (string): How the signature is encoded. This value determines the output of :meth:`sign` and the input to :meth:`verify`. The following values are accepted: - ``'binary'`` (default), the signature is the raw concatenation of ``r`` and ``s``. It is defined in the IEEE P.1363 standard. For DSA, the size in bytes of the signature is ``N/4`` bytes (e.g. 64 for ``N=256``). For ECDSA, the signature is always twice the length of a point coordinate (e.g. 64 bytes for P-256). - ``'der'``, the signature is a ASN.1 DER SEQUENCE with two INTEGERs (``r`` and ``s``). It is defined in RFC3279_. The size of the signature is variable. randfunc (callable): A function that returns random ``bytes``, of a given length. If omitted, the internal RNG is used. Only applicable for the *'fips-186-3'* mode. .. _FIPS 186-3: http://csrc.nist.gov/publications/fips/fips186-3/fips_186-3.pdf .. _FIPS 186-4: http://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.186-4.pdf .. _NIST SP 800 Part 1 Rev 4: http://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-57pt1r4.pdf .. _RFC6979: http://tools.ietf.org/html/rfc6979 .. _RFC3279: https://tools.ietf.org/html/rfc3279#section-2.2.2 )r0derzUnknown encoding '%s'dNISTz ECC key is not on a NIST P curver;zUnsupported key type Nzdeterministic-rfc6979z fips-186-3zUnknown DSS mode '%s')r2 isinstancerrrcurverrrqstrtypergetattrrVrr)rmoderrrprivate_key_attrr\s rr r 6sD((08;<<#v   yy##F++?@ @, C 03tCy>ABB c4   &&(KK   c6 " "%cUE E#C5C C04788r)r0N)Crypto.Util.asn1rCrypto.Util.numberrCrypto.Math.Numbersr Crypto.HashrCrypto.PublicKey.ECCrCrypto.PublicKey.DSAr__all__objectr rVrrr rTrrrscD),''' 5 !w6wtK K\B|BD>]9r