آگآآگآآگآآگآآگآآگآآگآآگآآگآآگآآگآآگآآگآآگآآگآآگآآگآآگآ 3 lلک_¶6م&@sîddlmZmZmZddlZddlZddlZddlmZddl m Z ddlmZGdd„de ƒZejejƒGdd „d e ƒƒZejejƒGd d„de ƒƒZejejƒGdd „d e ƒƒZejejƒGdd„deƒƒZejejƒGdd„de ƒƒZeZejeƒGdd„de ƒƒZejeƒGdd„de ƒƒZejeƒGdd„de ƒƒZejeƒGdd„de ƒƒZejeƒGdd„de ƒƒZejeƒGdd„de ƒƒZejeƒGdd„de ƒƒZejeƒGd d!„d!e ƒƒZejeƒGd"d#„d#e ƒƒZ ejeƒGd$d%„d%e ƒƒZ!ejeƒGd&d'„d'e ƒƒZ"ejeƒGd(d)„d)e ƒƒZ#ejeƒGd*d+„d+e ƒƒZ$ejeƒGd,d-„d-e ƒƒZ%ejeƒGd.d/„d/e ƒƒZ&ejeƒGd0d1„d1e ƒƒZ'ejeƒGd2d3„d3e ƒƒZ(ejeƒGd4d5„d5e ƒƒZ)ejeƒGd6d7„d7e ƒƒZ*e'e$e'e&e$e#e"e%e!e eeeeeeeee(e)e*d8œZ+ejeƒGd9d:„d:e ƒƒZ,dGd;d<„Z-dHd=d>„Z.Gd?d@„d@e ƒZ/GdAdB„dBe ƒZ0GdCdD„dDe ƒZ1ej'e'ej&e&ej%e%ej$e$ej#e#ej"e"ej2e(ej3e)ej4e*ej!e!ejeej e ejeejeejeejeejeejeejeiZ5dEdF„Z6dS)Ié)عabsolute_importعdivisionعprint_functionN)عutils)عObjectIdentifier)ع_get_backendc@s¤eZdZedƒZedƒZedƒZedƒZedƒZedƒZ edƒZ edƒZed ƒZed ƒZ edƒZedƒZed ƒZedƒZedƒZedƒZedƒZedƒZedƒZdS)عEllipticCurveOIDz1.2.840.10045.3.1.1z1.3.132.0.33z1.3.132.0.10z1.2.840.10045.3.1.7z1.3.132.0.34z1.3.132.0.35z1.3.36.3.3.2.8.1.1.7z1.3.36.3.3.2.8.1.1.11z1.3.36.3.3.2.8.1.1.13z1.3.132.0.1z1.3.132.0.15z1.3.132.0.26z1.3.132.0.27z1.3.132.0.16z1.3.132.0.17z1.3.132.0.36z1.3.132.0.37z1.3.132.0.38z1.3.132.0.39N)ع__name__ع __module__ع__qualname__rع SECP192R1ع SECP224R1ع SECP256K1ع SECP256R1ع SECP384R1ع SECP521R1عBRAINPOOLP256R1عBRAINPOOLP384R1عBRAINPOOLP512R1ع SECT163K1ع SECT163R2ع SECT233K1ع SECT233R1ع SECT283K1ع SECT283R1ع SECT409K1ع SECT409R1ع SECT571K1ع SECT571R1©rrْ/usr/lib64/python3.6/ec.pyrs&rc@s(eZdZejdd„ƒZejdd„ƒZdS)ع EllipticCurvecCsdS)z8 The name of the curve. e.g. secp256r1. Nr)عselfrrr عname)szEllipticCurve.namecCsdS)z< Bit size of a secret scalar for the curve. Nr)r"rrr عkey_size/szEllipticCurve.key_sizeN)r r rعabcعabstractpropertyr#r$rrrr r!'sr!c@seZdZejdd„ƒZdS)عEllipticCurveSignatureAlgorithmcCsdS)z@ The digest algorithm used with this signature. Nr)r"rrr ع algorithm8sz)EllipticCurveSignatureAlgorithm.algorithmN)r r rr%r&r(rrrr r'6sr'c@s`eZdZejdd„ƒZejdd„ƒZejdd„ƒZejdd„ƒZ ejd d „ƒZ ejdd„ƒZd S)عEllipticCurvePrivateKeycCsdS)zN Returns an AsymmetricSignatureContext used for signing data. Nr)r"عsignature_algorithmrrr عsignerAszEllipticCurvePrivateKey.signercCsdS)z} Performs a key exchange operation using the provided algorithm with the provided peer's public key. Nr)r"r(Zpeer_public_keyrrr عexchangeGsz EllipticCurvePrivateKey.exchangecCsdS)zB The EllipticCurvePublicKey for this private key. Nr)r"rrr ع public_keyNsz"EllipticCurvePrivateKey.public_keycCsdS)z8 The EllipticCurve that this key is on. Nr)r"rrr عcurveTszEllipticCurvePrivateKey.curvecCsdS)z< Bit size of a secret scalar for the curve. Nr)r"rrr r$Zsz EllipticCurvePrivateKey.key_sizecCsdS)z Signs the data Nr)r"عdatar*rrr عsign`szEllipticCurvePrivateKey.signN)r r rr%عabstractmethodr+r,r-r&r.r$r0rrrr r)?sr)c@s(eZdZejdd„ƒZejdd„ƒZdS)ع(EllipticCurvePrivateKeyWithSerializationcCsdS)z9 Returns an EllipticCurvePrivateNumbers. Nr)r"rrr عprivate_numbersisz8EllipticCurvePrivateKeyWithSerialization.private_numberscCsdS)z6 Returns the key serialized as bytes. Nr)r"عencodingعformatZencryption_algorithmrrr ع private_bytesosz6EllipticCurvePrivateKeyWithSerialization.private_bytesN)r r rr%r1r3r6rrrr r2gsr2c@sleZdZejdd„ƒZejdd„ƒZejdd„ƒZejdd„ƒZ ejd d „ƒZ ejdd„ƒZed d„ƒZ dS)عEllipticCurvePublicKeycCsdS)zQ Returns an AsymmetricVerificationContext used for signing data. Nr)r"ع signaturer*rrr عverifierxszEllipticCurvePublicKey.verifiercCsdS)z8 The EllipticCurve that this key is on. Nr)r"rrr r.~szEllipticCurvePublicKey.curvecCsdS)z< Bit size of a secret scalar for the curve. Nr)r"rrr r$„szEllipticCurvePublicKey.key_sizecCsdS)z8 Returns an EllipticCurvePublicNumbers. Nr)r"rrr عpublic_numbersٹsz%EllipticCurvePublicKey.public_numberscCsdS)z6 Returns the key serialized as bytes. Nr)r"r4r5rrr عpublic_bytesگsz#EllipticCurvePublicKey.public_bytescCsdS)z5 Verifies the signature of the data. Nr)r"r8r/r*rrr عverify–szEllipticCurvePublicKey.verifycCsbtjd|ƒt|tƒstdƒ‚t|ƒdkr2tdƒ‚tj|dƒd krJtdƒ‚dd l m }|j||ƒS)Nr/z'curve must be an EllipticCurve instancerz%data must not be an empty byte stringéééz%Unsupported elliptic curve point type)عbackend)r=r>r?)rع_check_bytesع isinstancer!ع TypeErrorعlenع ValueErrorعsixZ indexbytesZ,cryptography.hazmat.backends.openssl.backendr@Z load_elliptic_curve_public_bytes)عclsr.r/r@rrr عfrom_encoded_pointœs z)EllipticCurvePublicKey.from_encoded_pointN)r r rr%r1r9r&r.r$r:r;r<عclassmethodrHrrrr r7vsr7c@seZdZdZdZdS)rع sect571r1i:N)r r rr#r$rrrr r±src@seZdZdZdZdS)rع sect409r1i™N)r r rr#r$rrrr r·src@seZdZdZdZdS)rع sect283r1iN)r r rr#r$rrrr r½src@seZdZdZdZdS)rع sect233r1ééN)r r rr#r$rrrr rأsrc@seZdZdZdZdS)rع sect163r2é£N)r r rr#r$rrrr rةsrc@seZdZdZdZdS)rع sect571k1i;N)r r rr#r$rrrr rدsrc@seZdZdZdZdS)rع sect409k1i™N)r r rr#r$rrrr rصsrc@seZdZdZdZdS)rع sect283k1iN)r r rr#r$rrrr rغsrc@seZdZdZdZdS)rع sect233k1rNN)r r rr#r$rrrr rلsrc@seZdZdZdZdS)rع sect163k1rPN)r r rr#r$rrrr rçsrc@seZdZdZdZdS)rع secp521r1i N)r r rr#r$rrrr rيsrc@seZdZdZdZdS)rع secp384r1i€N)r r rr#r$rrrr rَsrc@seZdZdZdZdS)rع secp256r1éN)r r rr#r$rrrr rùsrc@seZdZdZdZdS)rع secp256k1rYN)r r rr#r$rrrr rےsrc@seZdZdZdZdS)r ع secp224r1éàN)r r rr#r$rrrr r sr c@seZdZdZdZdS)rع secp192r1éہN)r r rr#r$rrrr rsrc@seZdZdZdZdS)عBrainpoolP256R1عbrainpoolP256r1rYN)r r rr#r$rrrr r_sr_c@seZdZdZdZdS)عBrainpoolP384R1عbrainpoolP384r1i€N)r r rr#r$rrrr rasrac@seZdZdZdZdS)عBrainpoolP512R1عbrainpoolP512r1iN)r r rr#r$rrrr rcsrc)Z prime192v1Z prime256v1r]r[rXrWrVrZrUrTrSrRrQrOrMrLrKrJr`rbrdc@seZdZdd„ZejdƒZdS)عECDSAcCs ||_dS)N)ع _algorithm)r"r(rrr ع__init__>szECDSA.__init__rfN)r r rrgrعread_only_propertyr(rrrr re<srecCst|ƒ}|j|ƒS)N)rZ#generate_elliptic_curve_private_key)r.r@rrr عgenerate_private_keyDsricCsJt|ƒ}t|tjƒstdƒ‚|dkr,tdƒ‚t|tƒs>tdƒ‚|j||ƒS)Nz&private_value must be an integer type.rz)private_value must be a positive integer.z/curve must provide the EllipticCurve interface.)rrBrFع integer_typesrCrEr!Z!derive_elliptic_curve_private_key)ع private_valuer.r@rrr عderive_private_keyIs rlc@speZdZdd„Zddd„Zdd„Zedd „ƒZej d ƒZ ej dƒZej dƒZd d„Z dd„Zdd„Zdd„ZdS)عEllipticCurvePublicNumberscCsLt|tjƒst|tjƒr$tdƒ‚t|tƒs6tdƒ‚||_||_||_dS)Nzx and y must be integers.z/curve must provide the EllipticCurve interface.)rBrFrjrCr!ع_yع_xع_curve)r"عxعyr.rrr rgXs z#EllipticCurvePublicNumbers.__init__NcCst|ƒ}|j|ƒS)N)rZ"load_elliptic_curve_public_numbers)r"r@rrr r-esz%EllipticCurvePublicNumbers.public_keycCsBtjdtjddچ|jjdd}dtj|j|ƒtj|j|ƒS)Nzرencode_point has been deprecated on EllipticCurvePublicNumbers and will be removed in a future version. 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