h+ <ddlZddlmZmZmZddlmZmZddlm Z ddl m Z ej rddl mZde jddfd Zd d defd Zdd ZddZd d dede jfdZd d dddedefdZd d dddededdf dZGdde jZGdde jZdS)N)InvalidSignatureUnsupportedAlgorithm_Reasons)_calculate_digest_and_algorithm_evp_pkey_derive) serialization)ec)Backendsignature_algorithmreturncnt|tjstdtjdS)Nz/Unsupported elliptic curve signature algorithm.) isinstancer ECDSArr UNSUPPORTED_PUBLIC_KEY_ALGORITHM)r s c/var/www/html/Sam_Eipo/venv/lib/python3.11/site-packages/cryptography/hazmat/backends/openssl/ec.py_check_signature_algorithmrs> )28 4 4 " =  5     backendr c8|j|}|||jjk|j|}||jjkrtd|jjs-|j |dkrtd|j |}|||jjk|j | d}|S)Nz@ECDSA keys with explicit parameters are unsupported at this timerascii) _libEC_KEY_get0_groupopenssl_assert_ffiNULLEC_GROUP_get_curve_name NID_undef ValueErrorCRYPTOGRAPHY_IS_LIBRESSLEC_GROUP_get_asn1_flag OBJ_nid2snstringdecode)rec_keygroupnid curve_namesns r_ec_key_curve_snr)!s  L * *6 2 2E 5GL$55666 , . .u 5 5C gl$$$ N    L 1 L / / 6 6! ; ; N   ((--J :)::;;;   Z ( ( / / 8 8B IrcP|j||jjdS)z Set the named curve flag on the EC_KEY. 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(  +  ,F        : : ? :  : : : : : :rceZdZddZedejfdZedefdZ dej fdZ de j defd Zd e jde j defd Zd ed edejddfdZdS)rJrr c||_||_||_t||}t |||_t ||t||dSrRrSrWs rr[z _EllipticCurvePublicKey.__init__r\rr c|jSrRr^r_s rr`z_EllipticCurvePublicKey.curverarc|jjSrRrcr_s rrdz _EllipticCurvePublicKey.key_sizerercF|jj|j}|j||jjjk|jj|j}|j||jjjk|j5}|jj |}|jj |}|jj |||||}|j|dk|j |}|j |}dddn #1swxYwYtj |||jS)Nr=)xyr`)rTrrr?rrrr0 _tmp_bn_ctx BN_CTX_getEC_POINT_get_affine_coordinatesrwr EllipticCurvePublicNumbersrV) rXr%r2bn_ctxbn_xbn_yrGrrs rruz&_EllipticCurvePublicKey.public_numberss "44T\BB $$Udm.@.E%EFFF "99$,GG $$Udm.@.E%EFFF ] & & ( ( /F=%0088D=%0088D-$DDudD&C M ( ( 2 2 2 ((..A ((..A / / / / / / / / / / / / / / /,qAT[IIIIs3333r'X#####X#J =JJJJ*1M$>1511110(*  2 @ @ @ ? @  @ @ @ @ @ @rr)rr r N)typingcryptography.exceptionsrrr*cryptography.hazmat.backends.openssl.utilsrrcryptography.hazmat.primitivesr)cryptography.hazmat.primitives.asymmetricr TYPE_CHECKING,cryptography.hazmat.backends.openssl.backendr rrstrr)r.r3rr8rrHrOEllipticCurvePrivateKeyr:rrJrrrrsB   988888888888 EDDDDDD ;      iC<         9 # ":J     8  8%? 8GL 8  8 8 8 8   )         Y:Y:Y:Y:Y:r9Y:Y:Y:xd@d@d@d@d@b7d@d@d@d@d@r