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CipherBackendc C s dS )zI
Return True if the given cipher and mode are supported.
N� )�self�cipher�moder r �"/usr/lib64/python3.6/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 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 r r
� create_symmetric_decryption_ctx s z-CipherBackend.create_symmetric_decryption_ctxN)�__name__�
__module__� __qualname__�abc�abstractmethodr r r
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r s r c @ 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 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 r
�hmac_supported2 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_ctx9 s zHMACBackend.create_hmac_ctxN)r r r r r r r r r r r
r 0 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 r
�cmac_algorithm_supportedB s z$CMACBackend.cmac_algorithm_supportedc C s dS )zQ
Create a context for calculating a message authentication code.
Nr )r r r r r
�create_cmac_ctxH s zCMACBackend.create_cmac_ctxN)r r r r r r r r r r r
r @ s r c @ s( e Zd Zejdd� �Zejdd� �ZdS )�PBKDF2HMACBackendc C s dS )zd
Return True if the hash algorithm is supported for PBKDF2 by this
backend.
Nr )r r r r r
�pbkdf2_hmac_supportedQ s z'PBKDF2HMACBackend.pbkdf2_hmac_supportedc C s dS )zN
Return length bytes derived from provided PBKDF2 parameters.
Nr )r r �length�saltZ
iterations� key_materialr r r
�derive_pbkdf2_hmacX s z$PBKDF2HMACBackend.derive_pbkdf2_hmacN)r r r r r r r# r r r r
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RSABackendc C s dS )zq
Generate an RSAPrivateKey instance with public_exponent and a modulus
of key_size bits.
Nr )r �public_exponent�key_sizer r r
�generate_rsa_private_keyc s z#RSABackend.generate_rsa_private_keyc C s dS )zQ
Returns True if the backend supports the given padding options.
Nr )r Zpaddingr r r
�rsa_padding_supportedj 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 r r
�!generate_rsa_parameters_supportedp s z,RSABackend.generate_rsa_parameters_supportedc C s dS )z4
Returns an RSAPrivateKey provider.
Nr )r �numbersr r r
�load_rsa_private_numbersw s z#RSABackend.load_rsa_private_numbersc C s dS )z3
Returns an RSAPublicKey provider.
Nr )r r* r r r
�load_rsa_public_numbers} s z"RSABackend.load_rsa_public_numbersN)
r r r r r r' r( r) r+ r, r r r r
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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 )r r& 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 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 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 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 r
�load_dsa_parameter_numbers� s z%DSABackend.load_dsa_parameter_numbersN)
r r r r r r. r0 r1 r2 r6 r7 r8 r9 r r r r
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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 )r r; 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 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 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 r< r= r> r? r@ rA rB 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 rD 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 )r rD r r r
�load_pem_parameters� s z+PEMSerializationBackend.load_pem_parametersN)r r r r r rF rG rH r r r r
rC � s rC 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 )r rD rE 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 )r rD 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 )r rD r r r
�load_der_parameters
s z+DERSerializationBackend.load_der_parametersN)r r r r r rJ rK rL r r r r
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dS )� X509Backendc C s dS )zB
Load an X.509 certificate from PEM encoded data.
Nr )r rD r r r
�load_pem_x509_certificate s z%X509Backend.load_pem_x509_certificatec C s dS )zB
Load an X.509 certificate from DER encoded data.
Nr )r rD r r r
�load_der_x509_certificate s z%X509Backend.load_der_x509_certificatec C s dS )z:
Load an X.509 CSR from DER encoded data.
Nr )r rD r r r
�load_der_x509_csr" s z X509Backend.load_der_x509_csrc C s dS )z:
Load an X.509 CSR from PEM encoded data.
Nr )r rD r r r
�load_pem_x509_csr( s z X509Backend.load_pem_x509_csrc C s dS )zI
Create and sign an X.509 CSR from a CSR builder object.
Nr )r �builder� private_keyr r r r
�create_x509_csr. s zX509Backend.create_x509_csrc C s dS )zX
Create and sign an X.509 certificate from a CertificateBuilder object.
Nr )r rR rS r r r r
�create_x509_certificate4 s z#X509Backend.create_x509_certificatec C s dS )z|
Create and sign an X.509 CertificateRevocationList from a
CertificateRevocationListBuilder object.
Nr )r rR rS r r r r
�create_x509_crl: s zX509Backend.create_x509_crlc C s dS )ze
Create a RevokedCertificate object from a RevokedCertificateBuilder
object.
Nr )r rR r r r
� create_x509_revoked_certificateA s z+X509Backend.create_x509_revoked_certificatec C s dS )zG
Compute the DER encoded bytes of an X509 Name object.
Nr )r �namer r r
�x509_name_bytesH s zX509Backend.x509_name_bytesN)r r r r r rN rO rP rQ rT rU rV rW rY r r r r
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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_parametersQ s z DHBackend.generate_dh_parametersc C s dS )zd
Generate a DHPrivateKey instance with parameters as a DHParameters
object.
Nr )r r/ r r r
�generate_dh_private_keyX 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 )r r[ r& 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 r
�load_dh_private_numbersf s z!DHBackend.load_dh_private_numbersc C s dS )z:
Load a DHPublicKey from DHPublicNumbers.
Nr )r r* r r r
�load_dh_public_numbersl s z DHBackend.load_dh_public_numbersc C s dS )z<
Load DHParameters from DHParameterNumbers.
Nr )r r* r r r
�load_dh_parameter_numbersr s z#DHBackend.load_dh_parameter_numbersNc C s dS )zV
Returns whether the backend supports DH with these parameter values.
Nr )r r3 r5 r4 r r r
�dh_parameters_supportedx 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_supported~ s z)DHBackend.dh_x942_serialization_supported)N)
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ScryptBackendc C s dS )zG
Return bytes derived from provided Scrypt parameters.
Nr )r r" r! r �n�rr3 r r r
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derive_scrypt� s zScryptBackend.derive_scryptN)r r r r r rg r r r r
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