o Ç `*ã@s”ddlmZmZmZddlZddlZe ej¡Gdd„deƒƒZ e ej¡Gdd„deƒƒZ e ej¡Gdd„deƒƒZ e ej¡Gd d „d eƒƒZ e ej¡Gd d „d eƒƒZ e ej¡Gd d„deƒƒZe ej¡Gdd„deƒƒZe ej¡Gdd„deƒƒZe ej¡Gdd„deƒƒZe ej¡Gdd„deƒƒZe ej¡Gdd„deƒƒZe ej¡Gdd„deƒƒZe ej¡Gdd„deƒƒZdS)é)Úabsolute_importÚdivisionÚprint_functionNc@ó6eZdZejdd„ƒZejdd„ƒZejdd„ƒZdS)Ú CipherBackendcCódS)zI Return True if the given cipher and mode are supported. N©©ÚselfZcipherÚmoderrú}home/ych/rk3568/buildroot/output/rockchip_rk3568/host/lib/python3.10/site-packages/cryptography/hazmat/backends/interfaces.pyÚcipher_supportedózCipherBackend.cipher_supportedcCr)zF Get a CipherContext that can be used for encryption. Nrr rrr Úcreate_symmetric_encryption_ctxrz-CipherBackend.create_symmetric_encryption_ctxcCr)zF Get a CipherContext that can be used for decryption. Nrr rrr Úcreate_symmetric_decryption_ctxrz-CipherBackend.create_symmetric_decryption_ctxN)Ú__name__Ú __module__Ú __qualname__ÚabcÚabstractmethodr rrrrrr r s  rc@ó(eZdZejdd„ƒZejdd„ƒZdS)Ú HashBackendcCr)zQ Return True if the hash algorithm is supported by this backend. Nr©r Ú algorithmrrr Úhash_supported#rzHashBackend.hash_supportedcCr)zH Create a HashContext for calculating a message digest. Nrrrrr Úcreate_hash_ctx)rzHashBackend.create_hash_ctxN)rrrrrrrrrrr r!ó  rc@r)Ú HMACBackendcCr)zb Return True if the hash algorithm is supported for HMAC by this backend. Nrrrrr Úhmac_supported2rzHMACBackend.hmac_supportedcCr©zQ Create a context for calculating a message authentication code. Nr)r Úkeyrrrr Úcreate_hmac_ctx9rzHMACBackend.create_hmac_ctxN)rrrrrrr!rrrr r0ó  rc@r)Ú CMACBackendcCr)zX Returns True if the block cipher is supported for CMAC by this backend Nrrrrr Úcmac_algorithm_supportedBrz$CMACBackend.cmac_algorithm_supportedcCrrrrrrr Úcreate_cmac_ctxHrzCMACBackend.create_cmac_ctxN)rrrrrr$r%rrrr r#@rr#c@r)ÚPBKDF2HMACBackendcCr)zd Return True if the hash algorithm is supported for PBKDF2 by this backend. Nrrrrr Úpbkdf2_hmac_supportedQrz'PBKDF2HMACBackend.pbkdf2_hmac_supportedcCr)zN Return length bytes derived from provided PBKDF2 parameters. Nr)r rÚlengthÚsaltZ iterationsÚ key_materialrrr Úderive_pbkdf2_hmacXrz$PBKDF2HMACBackend.derive_pbkdf2_hmacN)rrrrrr'r+rrrr r&Or"r&c@sReZdZejdd„ƒZejdd„ƒZejdd„ƒZejdd„ƒZejd d „ƒZ d S) Ú RSABackendcCr)zq Generate an RSAPrivateKey instance with public_exponent and a modulus of key_size bits. Nr©r Zpublic_exponentÚkey_sizerrr Úgenerate_rsa_private_keycrz#RSABackend.generate_rsa_private_keycCr)zQ Returns True if the backend supports the given padding options. Nr)r Úpaddingrrr Úrsa_padding_supportedjrz RSABackend.rsa_padding_supportedcCr)zg Returns True if the backend supports the given parameters for key generation. Nrr-rrr Ú!generate_rsa_parameters_supportedprz,RSABackend.generate_rsa_parameters_supportedcCr)z4 Returns an RSAPrivateKey provider. Nr©r Únumbersrrr Úload_rsa_private_numberswrz#RSABackend.load_rsa_private_numberscCr)z3 Returns an RSAPublicKey provider. Nrr3rrr Úload_rsa_public_numbers}rz"RSABackend.load_rsa_public_numbersN) rrrrrr/r1r2r5r6rrrr r,as    r,c@s|eZdZejdd„ƒZejdd„ƒZejdd„ƒZejdd„ƒZejd d „ƒZ ejd d „ƒZ ejd d„ƒZ ejdd„ƒZ dS)Ú DSABackendcCr)zT Generate a DSAParameters instance with a modulus of key_size bits. Nr©r r.rrr Úgenerate_dsa_parameters†rz"DSABackend.generate_dsa_parameterscCr)zf Generate a DSAPrivateKey instance with parameters as a DSAParameters object. Nr©r Ú parametersrrr Úgenerate_dsa_private_keyŒrz#DSABackend.generate_dsa_private_keycCr)zH Generate a DSAPrivateKey instance using key size only. Nrr8rrr Ú'generate_dsa_private_key_and_parameters“rz2DSABackend.generate_dsa_private_key_and_parameterscCr)zX Return True if the hash algorithm is supported by the backend for DSA. Nrrrrr Údsa_hash_supported™rzDSABackend.dsa_hash_supportedcCr)zU Return True if the parameters are supported by the backend for DSA. Nr)r ÚpÚqÚgrrr Údsa_parameters_supportedŸrz#DSABackend.dsa_parameters_supportedcCr)z3 Returns a DSAPrivateKey provider. Nrr3rrr Úload_dsa_private_numbers¥rz#DSABackend.load_dsa_private_numberscCr)z2 Returns a DSAPublicKey provider. Nrr3rrr Úload_dsa_public_numbers«rz"DSABackend.load_dsa_public_numberscCr)z3 Returns a DSAParameters provider. Nrr3rrr Úload_dsa_parameter_numbers±rz%DSABackend.load_dsa_parameter_numbersN) rrrrrr9r<r=r>rBrCrDrErrrr r7„s"       r7c@sneZdZejdd„ƒZejdd„ƒZejdd„ƒZejdd„ƒZejd d „ƒZ ejd d „ƒZ ejd d„ƒZ dS)ÚEllipticCurveBackendcCr)z Returns True if the backend supports the named elliptic curve with the specified signature algorithm. Nr)r Zsignature_algorithmÚcurverrr Ú,elliptic_curve_signature_algorithm_supportedºrzAEllipticCurveBackend.elliptic_curve_signature_algorithm_supportedcCr)zP Returns True if the backend supports the named elliptic curve. Nr©r rGrrr Úelliptic_curve_supportedÃrz-EllipticCurveBackend.elliptic_curve_supportedcCr)zW Return an object conforming to the EllipticCurvePrivateKey interface. NrrIrrr Ú#generate_elliptic_curve_private_keyÉrz8EllipticCurveBackend.generate_elliptic_curve_private_keycCr)zT Return an EllipticCurvePublicKey provider using the given numbers. Nrr3rrr Ú"load_elliptic_curve_public_numbersÏrz7EllipticCurveBackend.load_elliptic_curve_public_numberscCr)zU Return an EllipticCurvePrivateKey provider using the given numbers. Nrr3rrr Ú#load_elliptic_curve_private_numbersÕrz8EllipticCurveBackend.load_elliptic_curve_private_numberscCr)zV Returns whether the exchange algorithm is supported by this backend. Nr)r rrGrrr Ú+elliptic_curve_exchange_algorithm_supportedÛrz@EllipticCurveBackend.elliptic_curve_exchange_algorithm_supportedcCr)zL Compute the private key given the private value and curve. Nr)r Z private_valuerGrrr Ú!derive_elliptic_curve_private_keyárz6EllipticCurveBackend.derive_elliptic_curve_private_keyN) rrrrrrHrJrKrLrMrNrOrrrr rF¸s      rFc@r)ÚPEMSerializationBackendcCr)zz Loads a private key from PEM encoded data, using the provided password if the data is encrypted. Nr©r ÚdataÚpasswordrrr Úload_pem_private_keyêrz,PEMSerializationBackend.load_pem_private_keycCr)z; Loads a public key from PEM encoded data. Nr©r rRrrr Úload_pem_public_keyñrz+PEMSerializationBackend.load_pem_public_keycCr)zC Load encryption parameters from PEM encoded data. NrrUrrr Úload_pem_parameters÷rz+PEMSerializationBackend.load_pem_parametersN)rrrrrrTrVrWrrrr rPèó  rPc@r)ÚDERSerializationBackendcCr)zy Loads a private key from DER encoded data. Uses the provided password if the data is encrypted. NrrQrrr Úload_der_private_keyrz,DERSerializationBackend.load_der_private_keycCr)z; Loads a public key from DER encoded data. NrrUrrr Úload_der_public_keyrz+DERSerializationBackend.load_der_public_keycCr)zC Load encryption parameters from DER encoded data. NrrUrrr Úload_der_parameters rz+DERSerializationBackend.load_der_parametersN)rrrrrrZr[r\rrrr rYþrXrYc@sŠeZdZejdd„ƒZejdd„ƒZejdd„ƒZejdd„ƒZejd d „ƒZ ejd d „ƒZ ejd d„ƒZ ejdd„ƒZ ejdd„ƒZ dS)Ú X509BackendcCr)zB Load an X.509 certificate from PEM encoded data. NrrUrrr Úload_pem_x509_certificaterz%X509Backend.load_pem_x509_certificatecCr)zB Load an X.509 certificate from DER encoded data. NrrUrrr Úload_der_x509_certificaterz%X509Backend.load_der_x509_certificatecCr)z: Load an X.509 CSR from DER encoded data. NrrUrrr Úload_der_x509_csr"rzX509Backend.load_der_x509_csrcCr)z: Load an X.509 CSR from PEM encoded data. NrrUrrr Úload_pem_x509_csr(rzX509Backend.load_pem_x509_csrcCr)zI Create and sign an X.509 CSR from a CSR builder object. Nr©r ÚbuilderZ private_keyrrrr Úcreate_x509_csr.rzX509Backend.create_x509_csrcCr)zX Create and sign an X.509 certificate from a CertificateBuilder object. Nrrbrrr Úcreate_x509_certificate4rz#X509Backend.create_x509_certificatecCr)z| Create and sign an X.509 CertificateRevocationList from a CertificateRevocationListBuilder object. Nrrbrrr Úcreate_x509_crl:rzX509Backend.create_x509_crlcCr)ze Create a RevokedCertificate object from a RevokedCertificateBuilder object. Nr)r rcrrr Úcreate_x509_revoked_certificateArz+X509Backend.create_x509_revoked_certificatecCr)zG Compute the DER encoded bytes of an X509 Name object. Nr)r Únamerrr Úx509_name_bytesHrzX509Backend.x509_name_bytesN)rrrrrr^r_r`rardrerfrgrirrrr r]s&        r]c@s~eZdZejdd„ƒZejdd„ƒZejdd„ƒZejdd„ƒZejd d „ƒZ ejd d „ƒZ ejddd„ƒZ ejdd„ƒZ d S)Ú DHBackendcCr)z„ Generate a DHParameters instance with a modulus of key_size bits. Using the given generator. Often 2 or 5. Nr©r Ú generatorr.rrr Úgenerate_dh_parametersQrz DHBackend.generate_dh_parameterscCr)zd Generate a DHPrivateKey instance with parameters as a DHParameters object. Nrr:rrr Úgenerate_dh_private_keyXrz!DHBackend.generate_dh_private_keycCr)zx Generate a DHPrivateKey instance using key size only. Using the given generator. Often 2 or 5. Nrrkrrr Ú&generate_dh_private_key_and_parameters_rz0DHBackend.generate_dh_private_key_and_parameterscCr)z; Load a DHPrivateKey from DHPrivateNumbers Nrr3rrr Úload_dh_private_numbersfrz!DHBackend.load_dh_private_numberscCr)z: Load a DHPublicKey from DHPublicNumbers. Nrr3rrr Úload_dh_public_numberslrz DHBackend.load_dh_public_numberscCr)z< Load DHParameters from DHParameterNumbers. Nrr3rrr Úload_dh_parameter_numbersrrz#DHBackend.load_dh_parameter_numbersNcCr)zV Returns whether the backend supports DH with these parameter values. Nr)r r?rAr@rrr Údh_parameters_supportedxrz!DHBackend.dh_parameters_supportedcCr)zw Returns True if the backend supports the serialization of DH objects with subgroup order (q). Nr)r rrr Údh_x942_serialization_supported~rz)DHBackend.dh_x942_serialization_supported)N) rrrrrrmrnrorprqrrrsrtrrrr rjOs"       rjc@seZdZejdd„ƒZdS)Ú ScryptBackendcCr)zG Return bytes derived from provided Scrypt parameters. Nr)r r*r)r(ÚnÚrr?rrr Ú derive_scryptˆrzScryptBackend.derive_scryptN)rrrrrrxrrrr ru†sru)Ú __future__rrrrZsixZ add_metaclassÚABCMetaÚobjectrrrr#r&r,r7rFrPrYr]rjrurrrr Ús:       " 3 /   : 6