o
    Vh$                     @  s   d dl mZ d dlmZ d dlmZ d dlmZ d dl	m
Z
 d dlmZ d dlmZ d dlmZmZmZmZ d d	lmZ d d
lmZ d dlmZmZ G dd dZe ZdS )    )annotations)openssl)binding)hashes)AsymmetricPadding)ec)utils)MGF1OAEPPSSPKCS1v15)CipherAlgorithm)AES)CBCModec                   @  s  e Zd ZdZdZefZejej	ej
ejejejejejejejejejfZejejejejfZdZdZdd> ZdZde> Zd[dd	Z d\ddZ!d]ddZ"d[ddZ#d\ddZ$d^ddZ%d_ddZ&d_ddZ'd`ddZ(d`d d!Z)d_d"d#Z*dad(d)Z+d_d*d+Z,dbd-d.Z-d_d/d0Z.dcd3d4Z/dcd5d6Z0d`d7d8Z1d_d9d:Z2d`d;d<Z3ddd?d@Z4dedCdDZ5dfdFdGZ6d`dHdIZ7d`dJdKZ8d`dLdMZ9d`dNdOZ:d`dPdQZ;d`dRdSZ<d`dTdUZ=d`dVdWZ>d`dXdYZ?dZS )gBackendz)
    OpenSSL API binding interfaces.
    r   i   i     returnNonec                 C  s,   t  | _| jj| _| jj| _t | _	d S N)
r   Binding_bindingffi_ffilib_librust_opensslis_fips_enabled_fips_enabledself r!   /var/www/html/construction_image-detection-poc/venv/lib/python3.10/site-packages/cryptography/hazmat/backends/openssl/backend.py__init__E   s   


zBackend.__init__strc                 C  s    d|    d| j dtj dS )Nz<OpenSSLBackend(version: z, FIPS: z
, Legacy: z)>)openssl_version_textr   r   _legacy_provider_loadedr   r!   r!   r"   __repr__K   s   zBackend.__repr__okboolc                 C  s
   t |S r   )r   _openssl_assert)r    r(   r!   r!   r"   openssl_assertR      
zBackend.openssl_assertc                 C  s&   t t j t  sJ t  | _d S r   )r   enable_fips
_providersr   r   r   r!   r!   r"   _enable_fipsU   s   zBackend._enable_fipsc                 C     t  S )z
        Friendly string name of the loaded OpenSSL library. This is not
        necessarily the same version as it was compiled against.

        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  "   | j rt|| jsdS tj|S NF)r   
isinstance_fips_hashesr   r   hash_supportedr    r5   r!   r!   r"   r;   h   s   zBackend.hash_supportedc                 C      | j rt|tjrdS | |S r8   r   r9   r   SHA1r;   r<   r!   r!   r"   signature_hash_supportedn   s   
z Backend.signature_hash_supportedc                 C     | j rdS ttjjdS NFderive)r   hasattrr   kdfScryptr   r!   r!   r"   scrypt_supportedw      zBackend.scrypt_supportedc                 C  rA   rB   )r   rD   r   rE   Argon2idr   r!   r!   r"   argon2_supported}   rH   zBackend.argon2_supportedc                 C  r=   )NTr>   r<   r!   r!   r"   hmac_supported   s   
zBackend.hmac_supportedcipherr   moder   c                 C  s$   | j rt|| jsdS tj||S r8   )r   r9   _fips_ciphersr   cipherscipher_supported)r    rL   rM   r!   r!   r"   rP      s   zBackend.cipher_supportedc                 C  s
   |  |S r   )rK   r<   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   zBackend._consume_errorsc                 C  s4   | j rt|tjrdS t|tjtjtjtjtjfS r8   )r   r9   r   r?   SHA224SHA256SHA384SHA512r<   r!   r!   r"   _oaep_hash_supported   s   zBackend._oaep_hash_supportedpaddingr   c                 C  s   t |trdS t |tr&t |jtr&| jrt |jjtjrdS | 	|jjS t |t
r>t |jtr>| |jjo=| |jS dS )NTF)r9   r   r   _mgfr	   r   
_algorithmr   r?   r;   r
   rY   r    rZ   r!   r!   r"   rsa_padding_supported   s   


zBackend.rsa_padding_supportedc                 C  s   | j r
t|tr
dS | |S r8   )r   r9   r   r^   r]   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   zBackend.dsa_supportedc                 C  s   |   sdS | |S r8   )ra   r@   r<   r!   r!   r"   dsa_hash_supported   s   
zBackend.dsa_hash_supportedc                 C  s   |  |td|j S )N    )rP   r   
block_sizer<   r!   r!   r"   cmac_algorithm_supported   s   z Backend.cmac_algorithm_supportedcurveec.EllipticCurvec                 C  r7   r8   )r   r9   _fips_ecdh_curvesr   r   curve_supported)r    rf   r!   r!   r"   elliptic_curve_supported   s
   z Backend.elliptic_curve_supportedsignature_algorithm"ec.EllipticCurveSignatureAlgorithmc                 C  s4   t |tjsdS | |ot |jtjp| |jS r8   )r9   r   ECDSArj   r5   
asym_utils	Prehashedr;   )r    rk   rf   r!   r!   r"   ,elliptic_curve_signature_algorithm_supported   s   

z4Backend.elliptic_curve_signature_algorithm_supportedec.ECDHc                 C  s   |  |o
t|tjS r   )rj   r9   r   ECDH)r    r5   rf   r!   r!   r"   +elliptic_curve_exchange_algorithm_supported   s   z3Backend.elliptic_curve_exchange_algorithm_supportedc                 C     t j S r   r   r`   r   r!   r!   r"   dh_supported   r4   zBackend.dh_supportedc                 C  s   | j jdkS )Nr   )r   Cryptography_HAS_EVP_PKEY_DHXr   r!   r!   r"   dh_x942_serialization_supported   s   z'Backend.dh_x942_serialization_supportedc                 C     | j rdS dS NFTr   r   r!   r!   r"   x25519_supported      zBackend.x25519_supportedc                 C     | j rdS tj otj S r8   r   r   CRYPTOGRAPHY_IS_LIBRESSLr`   r   r!   r!   r"   x448_supported   
   zBackend.x448_supportedc                 C  ry   rz   r{   r   r!   r!   r"   ed25519_supported  r}   zBackend.ed25519_supportedc                 C  r~   r8   r   r   r!   r!   r"   ed448_supported  r   zBackend.ed448_supportedc                 C  s   t jo| j S r   )r   #CRYPTOGRAPHY_OPENSSL_320_OR_GREATERr   r   r!   r!   r"   ecdsa_deterministic_supported  s   z%Backend.ecdsa_deterministic_supportedc                 C  ry   rz   r{   r   r!   r!   r"   poly1305_supported  r}   zBackend.poly1305_supportedc                 C  rt   r   ru   r   r!   r!   r"   pkcs7_supported  r4   zBackend.pkcs7_supportedN)r   r   )r   r$   )r(   r)   r   r   )r   r1   )r5   r6   r   r)   )r   r)   )rL   r   rM   r   r   r)   )r   rR   )rZ   r   r   r)   )rf   rg   r   r)   )rk   rl   rf   rg   r   r)   )r5   rq   rf   rg   r   r)   )@__name__
__module____qualname____doc__namer   rN   r   rU   rV   rW   rX   
SHA512_224
SHA512_256SHA3_224SHA3_256SHA3_384SHA3_512SHAKE128SHAKE256r:   r   	SECP224R1	SECP256R1	SECP384R1	SECP521R1rh   _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   r;   r@   rG   rJ   rK   rP   rQ   rT   rY   r^   r_   ra   rb   re   rj   rp   rs   rv   rx   r|   r   r   r   r   r   r   r!   r!   r!   r"   r      sv    

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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   rn   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    
