a
    `mg$                     @  s   d dl mZ d dlmZ d dlmZ d dlmZ d dl	m
Z
 d dlmZ d dlmZ d dlmZmZmZmZ d d	lmZ d d
lmZ d dlmZmZ G dd dZe ZdS )    )annotations)openssl)binding)hashes)AsymmetricPadding)ec)utils)MGF1OAEPPSSPKCS1v15)CipherAlgorithm)AES)CBCModec                   @  s^  e Zd ZdZdZefZejej	ej
ejejejejejejejejejfZejejejejfZdZdZdd> ZdZde> Zdddd	Z d
dddZ!dddddZ"ddddZ#d
dddZ$ddddZ%dddddZ&dddddZ'ddddZ(ddd d!Z)dddd"d#Z*d$d%dd&d'd(Z+dddd)d*Z,d+dd,d-Z-dddd.d/Z.d0dd1d2d3Z/d0dd1d4d5Z0ddd6d7Z1dddd8d9Z2ddd:d;Z3d<dd=d>d?Z4d@d<ddAdBdCZ5dDd<ddEdFdGZ6dddHdIZ7dddJdKZ8dddLdMZ9dddNdOZ:dddPdQZ;dddRdSZ<dddTdUZ=dddVdWZ>dddXdYZ?dZS )[Backendz)
    OpenSSL API binding interfaces.
    r   i   i     None)returnc                 C  s,   t  | _| jj| _| jj| _t | _	d S N)
r   ZBindingZ_bindingffiZ_ffilib_librust_opensslis_fips_enabled_fips_enabledself r   e/var/www/html/idle/venv/lib64/python3.9/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   Z_legacy_provider_loadedr   r   r   r   __repr__K   s    zBackend.__repr__bool)okr   c                 C  s
   t |S r   )r   Z_openssl_assert)r   r%   r   r   r   openssl_assertR   s    zBackend.openssl_assertc                 C  s&   t t j t  sJ t  | _d S r   )r   Zenable_fipsZ
_providersr   r   r   r   r   r   _enable_fipsU   s    zBackend._enable_fipsc                 C  s   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  s   t  S r   )r   openssl_versionr   r   r   r   openssl_version_numbere   s    zBackend.openssl_version_numberzhashes.HashAlgorithm)	algorithmr   c                 C  s"   | j rt|| jsdS tj|S NF)r   
isinstance_fips_hashesr   r   hash_supportedr   r+   r   r   r   r/   h   s    zBackend.hash_supportedc                 C  s    | j rt|tjrdS | |S r,   r   r-   r   SHA1r/   r0   r   r   r   signature_hash_supportedn   s    z Backend.signature_hash_supportedc                 C  s   | j r
dS ttjjdS d S NFZderive)r   hasattrr   kdfZScryptr   r   r   r   scrypt_supportedw   s    zBackend.scrypt_supportedc                 C  s   | j r
dS ttjjdS d S r4   )r   r5   r   r6   ZArgon2idr   r   r   r   argon2_supported}   s    zBackend.argon2_supportedc                 C  s    | j rt|tjrdS | |S )NTr1   r0   r   r   r   hmac_supported   s    zBackend.hmac_supportedr   r   )ciphermoder   c                 C  s$   | j rt|| jsdS tj||S r,   )r   r-   _fips_ciphersr   cipherscipher_supported)r   r:   r;   r   r   r   r>      s    zBackend.cipher_supportedc                 C  s
   |  |S r   )r9   r0   r   r   r   pbkdf2_hmac_supported   s    zBackend.pbkdf2_hmac_supportedzlist[rust_openssl.OpenSSLError]c                 C  s   t  S r   )r   Zcapture_error_stackr   r   r   r   _consume_errors   s    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 r,   )r   r-   r   r2   SHA224SHA256SHA384SHA512r0   r   r   r   _oaep_hash_supported   s    zBackend._oaep_hash_supportedr   )paddingr   c                 C  s   t |trdS t |trNt |jtrN| jr>t |jjtjr>dS | 	|jjS n4t |t
r~t |jtr~| |jjo|| |jS dS d S )NTF)r-   r   r   Z_mgfr	   r   
_algorithmr   r2   r/   r
   rE   r   rF   r   r   r   rsa_padding_supported   s    


zBackend.rsa_padding_supportedc                 C  s"   | j rt|trdS | |S d S r,   )r   r-   r   rI   rH   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 r,   )rL   r3   r0   r   r   r   dsa_hash_supported   s    zBackend.dsa_hash_supportedc                 C  s   |  |td|j S )N    )r>   r   
block_sizer0   r   r   r   cmac_algorithm_supported   s    z Backend.cmac_algorithm_supportedzec.EllipticCurve)curver   c                 C  s"   | j rt|| jsdS tj|S r,   )r   r-   _fips_ecdh_curvesr   r   Zcurve_supported)r   rQ   r   r   r   elliptic_curve_supported   s
    z Backend.elliptic_curve_supportedz"ec.EllipticCurveSignatureAlgorithm)signature_algorithmrQ   r   c                 C  s4   t |tjsdS | |o2t |jtjp2| |jS r,   )r-   r   ZECDSArS   r+   
asym_utilsZ	Prehashedr/   )r   rT   rQ   r   r   r   ,elliptic_curve_signature_algorithm_supported   s    

z4Backend.elliptic_curve_signature_algorithm_supportedzec.ECDH)r+   rQ   r   c                 C  s   |  |ot|tjS r   )rS   r-   r   ZECDH)r   r+   rQ   r   r   r   +elliptic_curve_exchange_algorithm_supported   s    z3Backend.elliptic_curve_exchange_algorithm_supportedc                 C  s   t j S r   r   rK   r   r   r   r   dh_supported   s    zBackend.dh_supportedc                 C  s   | j jdkS )Nr   )r   ZCryptography_HAS_EVP_PKEY_DHXr   r   r   r   dh_x942_serialization_supported   s    z'Backend.dh_x942_serialization_supportedc                 C  s   | j r
dS dS NFTr   r   r   r   r   x25519_supported   s    zBackend.x25519_supportedc                 C  s   | j r
dS tj otj S r,   r   r   ZCRYPTOGRAPHY_IS_LIBRESSLrK   r   r   r   r   x448_supported   s
    zBackend.x448_supportedc                 C  s   | j r
dS dS r[   r\   r   r   r   r   ed25519_supported  s    zBackend.ed25519_supportedc                 C  s   | j r
dS tj otj S r,   r^   r   r   r   r   ed448_supported  s
    zBackend.ed448_supportedc                 C  s   t jo| j S r   )r   Z#CRYPTOGRAPHY_OPENSSL_320_OR_GREATERr   r   r   r   r   ecdsa_deterministic_supported  s    z%Backend.ecdsa_deterministic_supportedc                 C  s   | j r
dS dS r[   r\   r   r   r   r   poly1305_supported  s    zBackend.poly1305_supportedc                 C  s   t j S r   rX   r   r   r   r   pkcs7_supported  s    zBackend.pkcs7_supportedN)@__name__
__module____qualname____doc__namer   r<   r   rA   rB   rC   rD   Z
SHA512_224Z
SHA512_256ZSHA3_224ZSHA3_256ZSHA3_384ZSHA3_512ZSHAKE128ZSHAKE256r.   r   Z	SECP224R1Z	SECP256R1Z	SECP384R1Z	SECP521R1rR   Z_fips_rsa_min_key_sizeZ_fips_rsa_min_public_exponentZ_fips_dsa_min_modulusZ_fips_dh_min_key_sizeZ_fips_dh_min_modulusr    r#   r&   r'   r"   r*   r/   r3   r7   r8   r9   r>   r?   r@   rE   rI   rJ   rL   rM   rP   rS   rV   rW   rY   rZ   r]   r_   r`   ra   rb   rc   rd   r   r   r   r   r      st   			r   N)
__future__r   Z"cryptography.hazmat.bindings._rustr   r   Z$cryptography.hazmat.bindings.opensslr   Zcryptography.hazmat.primitivesr   Z*cryptography.hazmat.primitives._asymmetricr   Z)cryptography.hazmat.primitives.asymmetricr   r   rU   Z1cryptography.hazmat.primitives.asymmetric.paddingr	   r
   r   r   Z&cryptography.hazmat.primitives.ciphersr   Z1cryptography.hazmat.primitives.ciphers.algorithmsr   Z,cryptography.hazmat.primitives.ciphers.modesr   r   r   backendr   r   r   r   <module>   s      