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Example: OpenSSL 3.2.1 30 Jan 2024 )r r% r r! r! r" r% \ s z Backend.openssl_version_text�intc C r0 r )r �openssl_versionr r! r! r" �openssl_version_numbere � z Backend.openssl_version_number� algorithm�hashes.HashAlgorithmc C sB |j dv r|j � |jd � ��d�}n|j �d�}| j�|�}|S )N)�blake2b�blake2s� �ascii)�name� digest_size�encoder �EVP_get_digestbyname)r r5 �alg�evp_mdr! r! r" �_evp_md_from_algorithmh s � z Backend._evp_md_from_algorithmc C s, | j r t|| j�s dS | �|�}|| jjkS �NF)r � isinstance� _fips_hashesrA r �NULL)r r5 r@ r! r! r" �hash_supporteds s zBackend.hash_supportedc C � | j r t|tj�r dS | �|�S rB �r rC r �SHA1rF �r r5 r! r! r" �signature_hash_supportedz s z Backend.signature_hash_supportedc C s | j rdS ttjd�S )NF� derive_scrypt)r �hasattrr �kdfr r! r! r" �scrypt_supported� s zBackend.scrypt_supportedc C rG )NTrH rJ r! r! r" �hmac_supported� s zBackend.hmac_supported�cipherr �moder c C s$ | j r t|| j�s dS tj�||�S rB )r rC � _fips_ciphersr �ciphers�cipher_supported)r rQ rR r! r! r" rU � s zBackend.cipher_supportedc C s | � |�S r )rP rJ r! r! r" �pbkdf2_hmac_supported� r, z Backend.pbkdf2_hmac_supported� list[rust_openssl.OpenSSLError]c C r0 r )r �capture_error_stackr r! r! r" �_consume_errors� r4 zBackend._consume_errorsc C s4 | j r t|tj�r dS t|tjtjtjtjtjf�S rB )r rC r rI �SHA224�SHA256�SHA384�SHA512rJ r! r! r" �_oaep_hash_supported� s ��z Backend._oaep_hash_supported�paddingr c C s� t |t�rdS t |t�r&t |jt�r&| jr t |jjtj�r dS | � |jj�S t |t �r>t |jt�r>| � |jj�o=| � |j�S dS )NTF) rC r r �_mgfr r � _algorithmr rI rF r r^ �r r_ r! r! r" �rsa_padding_supported� s �� �z Backend.rsa_padding_supportedc C s | j r t|t�r dS | �|�S rB )r rC r rc rb r! r! r" �rsa_encryption_supported� s z Backend.rsa_encryption_supportedc C s t j o| j S r )r �CRYPTOGRAPHY_IS_BORINGSSLr r r! r! r" � dsa_supported� s �zBackend.dsa_supportedc C s | � � sdS | �|�S rB )rf rK rJ r! r! r" �dsa_hash_supported� s zBackend.dsa_hash_supportedc C s | � |td|j ��S )N� )rU r � block_sizerJ r! r! r" �cmac_algorithm_supported� s �z Backend.cmac_algorithm_supported�curve�ec.EllipticCurvec C s" | j r t|| j�s dS tj�|�S rB )r rC �_fips_ecdh_curvesr r �curve_supported)r rk r! r! r" �elliptic_curve_supported� s � z Backend.elliptic_curve_supported�signature_algorithm�"ec.EllipticCurveSignatureAlgorithmc C s4 t |tj�sdS | �|�ot |jtj�p| �|j�S rB )rC r �ECDSAro r5 � asym_utils� PrehashedrF )r rp rk r! r! r" �,elliptic_curve_signature_algorithm_supported� s �z4Backend.elliptic_curve_signature_algorithm_supported�ec.ECDHc C s | � |�o t|tj�S r )ro rC r �ECDH)r r5 rk r! r! r" �+elliptic_curve_exchange_algorithm_supported� s �z3Backend.elliptic_curve_exchange_algorithm_supportedc C � t j S r �r re r r! r! r" � dh_supported� r4 zBackend.dh_supportedc C s | j jdkS )Nr )r � Cryptography_HAS_EVP_PKEY_DHXr r! r! r" � dh_x942_serialization_supported� s z'Backend.dh_x942_serialization_supportedc C � | j rdS dS �NFT�r r r! r! r" �x25519_supported� � zBackend.x25519_supportedc C � | j rdS tj o tj S rB �r r �CRYPTOGRAPHY_IS_LIBRESSLre r r! r! r" �x448_supported� � �zBackend.x448_supportedc C r~ r r� r r! r! r" �ed25519_supported r� zBackend.ed25519_supportedc C r� rB r� r r! r! r" �ed448_supported r� zBackend.ed448_supportedc C s t jo| j S r )r �#CRYPTOGRAPHY_OPENSSL_320_OR_GREATERr r r! r! r" � ecdsa_deterministic_supported s �z%Backend.ecdsa_deterministic_supportedc C r~ r r� r r! r! r" �poly1305_supported r� zBackend.poly1305_supportedc C ry r rz r r! r! r" �pkcs7_supported r4 zBackend.pkcs7_supportedN)r r )r r$ )r( r) r r )r r1 )r5 r6 )r5 r6 r r) )r r) )rQ r rR r r r) )r rW )r_ r r r) )rk rl r r) )rp rq rk rl r r) )r5 rv rk rl r r) )@�__name__� __module__� __qualname__�__doc__r; r rS r rZ r[ r\ r] � SHA512_224� SHA512_256�SHA3_224�SHA3_256�SHA3_384�SHA3_512�SHAKE128�SHAKE256rD r � SECP224R1� SECP256R1� SECP384R1� SECP521R1rm �_fips_rsa_min_key_size� _fips_rsa_min_public_exponent�_fips_dsa_min_modulus�_fips_dh_min_key_size�_fips_dh_min_modulusr# r' r+ r/ r% r3 rA rF rK rO rP rU rV rY r^ rc rd rf rg rj ro ru rx r{ r} r� r� r� r� r� r� r� r! r! r! r" r sv �� r N) � __future__r �"cryptography.hazmat.bindings._rustr r �$cryptography.hazmat.bindings.opensslr � cryptography.hazmat.primitivesr �*cryptography.hazmat.primitives._asymmetricr �)cryptography.hazmat.primitives.asymmetricr r rs �1cryptography.hazmat.primitives.asymmetric.paddingr r r r �&cryptography.hazmat.primitives.ciphersr �1cryptography.hazmat.primitives.ciphers.algorithmsr �,cryptography.hazmat.primitives.ciphers.modesr r r �backendr! r! r! r" �<module> s
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