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a p�ho( � @ s( d dl Z G dd� de jd�ZG dd� de jd�ZG dd� de jd�ZG d d � d e jd�ZG d d � d e jd�ZG d d� de jd�ZG dd� de jd�ZG dd� de jd�Z G dd� de jd�Z G dd� de jd�Z G dd� de jd�Z G dd� de jd�Z G dd � d eee e ee eeeee e e jd�ZdS ) � Nc @ s6 e Zd Zejdd� �Zejdd� �Zejdd� �ZdS )� CipherBackendc C s dS )zI Return True if the given cipher and mode are supported. N� ��self�cipher�moder r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/cryptography/hazmat/backends/interfaces.py�cipher_supported s z CipherBackend.cipher_supportedc C s dS )zF Get a CipherContext that can be used for encryption. Nr r r r r � create_symmetric_encryption_ctx s z-CipherBackend.create_symmetric_encryption_ctxc C s dS )zF Get a CipherContext that can be used for decryption. Nr r r r r � create_symmetric_decryption_ctx s z-CipherBackend.create_symmetric_decryption_ctxN)�__name__� __module__� __qualname__�abc�abstractmethodr r r r r r r r s r )� metaclassc @ s( e Zd Zejdd� �Zejdd� �ZdS )� HashBackendc C s dS )zQ Return True if the hash algorithm is supported by this backend. Nr �r � algorithmr r r �hash_supported s zHashBackend.hash_supportedc C s dS )zH Create a HashContext for calculating a message digest. Nr r r r r �create_hash_ctx$ s zHashBackend.create_hash_ctxN)r r r r r r r r r r r r s r c @ s( e Zd Zejdd� �Zejdd� �ZdS )� HMACBackendc C s dS )zb Return True if the hash algorithm is supported for HMAC by this backend. Nr r r r r �hmac_supported, s zHMACBackend.hmac_supportedc C s dS �zQ Create a context for calculating a message authentication code. Nr )r �keyr r r r �create_hmac_ctx3 s zHMACBackend.create_hmac_ctxN)r r r r r r r r r r r r + s r c @ s( e Zd Zejdd� �Zejdd� �ZdS )� CMACBackendc C s dS )zX Returns True if the block cipher is supported for CMAC by this backend Nr r r r r �cmac_algorithm_supported; s z$CMACBackend.cmac_algorithm_supportedc C s dS r r r r r r �create_cmac_ctxA s zCMACBackend.create_cmac_ctxN)r r r r r r r r r r r r : s r c @ s( e Zd Zejdd� �Zejdd� �ZdS )�PBKDF2HMACBackendc C s dS )zd Return True if the hash algorithm is supported for PBKDF2 by this backend. Nr r r r r �pbkdf2_hmac_supportedI s z'PBKDF2HMACBackend.pbkdf2_hmac_supportedc C s dS )zN Return length bytes derived from provided PBKDF2 parameters. Nr )r r �length�saltZ iterations� key_materialr r r �derive_pbkdf2_hmacP s z$PBKDF2HMACBackend.derive_pbkdf2_hmacN)r r r r r r r$ r r r r r H s r c @ sR e Zd Zejdd� �Zejdd� �Zejdd� �Zejdd� �Zejd d � �Z d S ) � RSABackendc C s dS )zq Generate an RSAPrivateKey instance with public_exponent and a modulus of key_size bits. Nr �r Zpublic_exponent�key_sizer r r �generate_rsa_private_keyZ s z#RSABackend.generate_rsa_private_keyc C s dS )zQ Returns True if the backend supports the given padding options. Nr )r �paddingr r r �rsa_padding_supporteda s z RSABackend.rsa_padding_supportedc C s dS )zg Returns True if the backend supports the given parameters for key generation. Nr r& r r r �!generate_rsa_parameters_supportedg s z,RSABackend.generate_rsa_parameters_supportedc C s dS )z4 Returns an RSAPrivateKey provider. Nr �r �numbersr r r �load_rsa_private_numbersn s z#RSABackend.load_rsa_private_numbersc C s dS )z3 Returns an RSAPublicKey provider. Nr r, r r r �load_rsa_public_numberst s z"RSABackend.load_rsa_public_numbersN) r r r r r r( r* r+ r. r/ r r r r r% Y s r% c @ s| e Zd Zejdd� �Zejdd� �Zejdd� �Zejdd� �Zejd d � �Z ejd d � �Z ejd d� �Z ejdd� �Z dS )� DSABackendc C s dS )zT Generate a DSAParameters instance with a modulus of key_size bits. Nr �r r' r r r �generate_dsa_parameters| s z"DSABackend.generate_dsa_parametersc C s dS )zf Generate a DSAPrivateKey instance with parameters as a DSAParameters object. Nr �r � parametersr r r �generate_dsa_private_key� s z#DSABackend.generate_dsa_private_keyc C s dS )zH Generate a DSAPrivateKey instance using key size only. Nr r1 r r r �'generate_dsa_private_key_and_parameters� s z2DSABackend.generate_dsa_private_key_and_parametersc C s dS )zX Return True if the hash algorithm is supported by the backend for DSA. Nr r r r r �dsa_hash_supported� s z DSABackend.dsa_hash_supportedc C s dS )zU Return True if the parameters are supported by the backend for DSA. Nr )r �p�q�gr r r �dsa_parameters_supported� s z#DSABackend.dsa_parameters_supportedc C s dS )z3 Returns a DSAPrivateKey provider. Nr r, r r r �load_dsa_private_numbers� s z#DSABackend.load_dsa_private_numbersc C s dS )z2 Returns a DSAPublicKey provider. Nr r, r r r �load_dsa_public_numbers� s z"DSABackend.load_dsa_public_numbersc C s dS )z3 Returns a DSAParameters provider. Nr r, r r r �load_dsa_parameter_numbers� s z%DSABackend.load_dsa_parameter_numbersN) r r r r r r2 r5 r6 r7 r; r< r= r> r r r r r0 { s r0 c @ sn e Zd Zejdd� �Zejdd� �Zejdd� �Zejdd� �Zejd d � �Z ejd d � �Z ejd d� �Z dS )�EllipticCurveBackendc C s dS )z Returns True if the backend supports the named elliptic curve with the specified signature algorithm. Nr )r Zsignature_algorithm�curver r r �,elliptic_curve_signature_algorithm_supported� s zAEllipticCurveBackend.elliptic_curve_signature_algorithm_supportedc C s dS )zP Returns True if the backend supports the named elliptic curve. Nr �r r@ r r r �elliptic_curve_supported� s z-EllipticCurveBackend.elliptic_curve_supportedc C s dS )zW Return an object conforming to the EllipticCurvePrivateKey interface. Nr rB r r r �#generate_elliptic_curve_private_key� s z8EllipticCurveBackend.generate_elliptic_curve_private_keyc C s dS )zT Return an EllipticCurvePublicKey provider using the given numbers. Nr r, r r r �"load_elliptic_curve_public_numbers� s z7EllipticCurveBackend.load_elliptic_curve_public_numbersc C s dS )zU Return an EllipticCurvePrivateKey provider using the given numbers. Nr r, r r r �#load_elliptic_curve_private_numbers� s z8EllipticCurveBackend.load_elliptic_curve_private_numbersc C s dS )zV Returns whether the exchange algorithm is supported by this backend. Nr )r r r@ r r r �+elliptic_curve_exchange_algorithm_supported� s z@EllipticCurveBackend.elliptic_curve_exchange_algorithm_supportedc C s dS )zL Compute the private key given the private value and curve. Nr )r Z private_valuer@ r r r �!derive_elliptic_curve_private_key� s z6EllipticCurveBackend.derive_elliptic_curve_private_keyN) r r r r r rA rC rD rE rF rG rH r r r r r? � s r? c @ s6 e Zd Zejdd� �Zejdd� �Zejdd� �ZdS )�PEMSerializationBackendc C s dS )zz Loads a private key from PEM encoded data, using the provided password if the data is encrypted. Nr �r �data�passwordr r r �load_pem_private_key� s z,PEMSerializationBackend.load_pem_private_keyc C s dS )z; Loads a public key from PEM encoded data. Nr �r rK r r r �load_pem_public_key� s z+PEMSerializationBackend.load_pem_public_keyc C s dS )zC Load encryption parameters from PEM encoded data. Nr rN r r r �load_pem_parameters� s z+PEMSerializationBackend.load_pem_parametersN)r r r r r rM rO rP r r r r rI � s rI c @ s6 e Zd Zejdd� �Zejdd� �Zejdd� �ZdS )�DERSerializationBackendc C s dS )zy Loads a private key from DER encoded data. Uses the provided password if the data is encrypted. Nr rJ r r r �load_der_private_key� s z,DERSerializationBackend.load_der_private_keyc C s dS )z; Loads a public key from DER encoded data. Nr rN r r r �load_der_public_key� s z+DERSerializationBackend.load_der_public_keyc C s dS )zC Load encryption parameters from DER encoded data. Nr rN r r r �load_der_parameters s z+DERSerializationBackend.load_der_parametersN)r r r r r rR rS rT r r r r rQ � s rQ c @ s~ e Zd Zejdd� �Zejdd� �Zejdd� �Zejdd� �Zejd d � �Z ejd d � �Z ejddd��Z ejdd� �Z d S )� DHBackendc C s dS )z� Generate a DHParameters instance with a modulus of key_size bits. Using the given generator. Often 2 or 5. Nr �r � generatorr' r r r �generate_dh_parameters s z DHBackend.generate_dh_parametersc C s dS )zd Generate a DHPrivateKey instance with parameters as a DHParameters object. Nr r3 r r r �generate_dh_private_key s z!DHBackend.generate_dh_private_keyc C s dS )zx Generate a DHPrivateKey instance using key size only. Using the given generator. Often 2 or 5. Nr rV r r r �&generate_dh_private_key_and_parameters s z0DHBackend.generate_dh_private_key_and_parametersc C s dS )z; Load a DHPrivateKey from DHPrivateNumbers Nr r, r r r �load_dh_private_numbers s z!DHBackend.load_dh_private_numbersc C s dS )z: Load a DHPublicKey from DHPublicNumbers. Nr r, r r r �load_dh_public_numbers# s z DHBackend.load_dh_public_numbersc C s dS )z< Load DHParameters from DHParameterNumbers. Nr r, r r r �load_dh_parameter_numbers) s z#DHBackend.load_dh_parameter_numbersNc C s dS )zV Returns whether the backend supports DH with these parameter values. Nr )r r8 r: r9 r r r �dh_parameters_supported/ s z!DHBackend.dh_parameters_supportedc C s dS )zw Returns True if the backend supports the serialization of DH objects with subgroup order (q). Nr �r r r r � dh_x942_serialization_supported5 s z)DHBackend.dh_x942_serialization_supported)N) r r r r r rX rY rZ r[ r\ r] r^ r` r r r r rU s rU c @ s( e Zd Zejdd� �Zejdd� �ZdS )� ScryptBackendc C s dS )zG Return bytes derived from provided Scrypt parameters. Nr )r r# r" r! �n�rr8 r r r � derive_scrypt> s zScryptBackend.derive_scryptc C s dS )z5 Return True if Scrypt is supported. Nr r_ r r r �scrypt_supportedD s z ScryptBackend.scrypt_supportedN)r r r r r rd re r r r r ra = s ra c @ s` e Zd Zejdd� �Zejdd� �Zejdd� �Zejdd� �Zejd d � �Z ejd d � �Z d S )�Backendc C s dS �z4 Returns a list of x509.Certificate Nr rN r r r �load_pem_pkcs7_certificates\ s z#Backend.load_pem_pkcs7_certificatesc C s dS rg r rN r r r �load_der_pkcs7_certificatesb s z#Backend.load_der_pkcs7_certificatesc C s dS �z Returns bytes Nr )r �builder�encoding�optionsr r r � pkcs7_signh s zBackend.pkcs7_signc C s dS )z9 Returns a tuple of (key, cert, [certs]) Nr rJ r r r �%load_key_and_certificates_from_pkcs12n s z-Backend.load_key_and_certificates_from_pkcs12c C s dS )z; Returns a PKCS12KeyAndCertificates object Nr rJ r r r � load_pkcs12t s zBackend.load_pkcs12c C s dS rj r )r �namer �certZcasZencryption_algorithmr r r �(serialize_key_and_certificates_to_pkcs12z s z0Backend.serialize_key_and_certificates_to_pkcs12N) r r r r r rh ri rn ro rp rs r r r r rf M s rf )r �ABCMetar r r r r r% r0 r? rI rQ rU ra rf r r r r �<module> s6 "3/6 �
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