o
    
c                     @   s  d dl Z d dlZd dlmZ d dlmZ G dd de jdZG dd de jdZG d	d
 d
e jdZ	G dd deZ
G dd deZG dd deZG dd deZG dd deZG dd deZG dd deZG dd deZG dd deZG dd deZG dd  d eZG d!d" d"eZG d#d$ d$ee	ZG d%d& d&ee	ZG d'd( d(eZG d)d* d*eZG d+d, d,eZG d-d. d.eZdS )/    N)utils)AlreadyFinalizedc                   @   sZ   e Zd ZeejdefddZeejdefddZ	eejde
je fddZdS )	HashAlgorithmreturnc                 C      dS )zH
        A string naming this algorithm (e.g. "sha256", "md5").
        N selfr   r   R/opt/certbot/lib/python3.10/site-packages/cryptography/hazmat/primitives/hashes.pyname       zHashAlgorithm.namec                 C   r   )z<
        The size of the resulting digest in bytes.
        Nr   r   r   r   r
   digest_size   r   zHashAlgorithm.digest_sizec                 C   r   )z
        The internal block size of the hash function, or None if the hash
        function does not use blocks internally (e.g. SHA3).
        Nr   r   r   r   r
   
block_size   r   zHashAlgorithm.block_sizeN)__name__
__module____qualname__propertyabcabstractmethodstrr   intr   typingOptionalr   r   r   r   r
   r      s    r   )	metaclassc                   @   s`   e Zd ZeejdefddZejdeddfddZ	ejdefdd	Z
ejdd
dZdS )HashContextr   c                 C   r   )zD
        A HashAlgorithm that will be used by this context.
        Nr   r   r   r   r
   	algorithm%   r   zHashContext.algorithmdataNc                 C   r   )z@
        Processes the provided bytes through the hash.
        Nr   r	   r   r   r   r
   update,   r   zHashContext.updatec                 C   r   )zR
        Finalizes the hash context and returns the hash digest as bytes.
        Nr   r   r   r   r
   finalize2   r   zHashContext.finalizec                 C   r   )zM
        Return a HashContext that is a copy of the current context.
        Nr   r   r   r   r
   copy8   r   zHashContext.copy)r   r   )r   r   r   r   r   r   r   r   bytesr   r   r    r   r   r   r
   r   $   s    r   c                   @   s   e Zd ZdZdS )ExtendableOutputFunctionz7
    An interface for extendable output functions.
    N)r   r   r   __doc__r   r   r   r
   r"   ?   s    r"   c                	   @   s   e Zd ZU eje ed< 		ddedejdejd ddfdd	Z	e
defd
dZdeddfddZdddZdefddZdS )Hash_ctxNr   backendctxr   r   c                 C   sH   t |ts	td|| _|d u rddlm} || j| _d S || _d S )Nz*Expected instance of hashes.HashAlgorithm.r   )r&   )	
isinstancer   	TypeError
_algorithm,cryptography.hazmat.backends.openssl.backendr&   create_hash_ctxr   r%   )r	   r   r&   r'   osslr   r   r
   __init__H   s   

zHash.__init__c                 C      | j S N)r*   r   r   r   r
   r   [      zHash.algorithmr   c                 C   s.   | j d u r	tdtd| | j | d S )NContext was already finalized.r   )r%   r   r   _check_bytesliker   r   r   r   r
   r   _   s   
zHash.updatec                 C   s&   | j d u r	tdt| j| j  dS )Nr2   )r'   )r%   r   r$   r   r    r   r   r   r
   r    e   s   
z	Hash.copyc                 C   s&   | j d u r	td| j  }d | _ |S )Nr2   )r%   r   r   )r	   digestr   r   r
   r   j   s
   

zHash.finalize)NN)r   r$   )r   r   r   r   r   r   __annotations__r   Anyr.   r   r   r!   r   r    r   r   r   r   r
   r$   E   s$   
 

r$   c                   @      e Zd ZdZdZdZdS )SHA1sha1   @   Nr   r   r   r   r   r   r   r   r   r
   r8   r       r8   c                   @   r7   )
SHA512_224z
sha512-224      Nr<   r   r   r   r
   r>   x   r=   r>   c                   @   r7   )
SHA512_256z
sha512-256    r@   Nr<   r   r   r   r
   rA   ~   r=   rA   c                   @   r7   )SHA224sha224r?   r;   Nr<   r   r   r   r
   rC      r=   rC   c                   @   r7   )SHA256sha256rB   r;   Nr<   r   r   r   r
   rE      r=   rE   c                   @   r7   )SHA384sha3840   r@   Nr<   r   r   r   r
   rG      r=   rG   c                   @   r7   )SHA512sha512r;   r@   Nr<   r   r   r   r
   rJ      r=   rJ   c                   @      e Zd ZdZdZdZdS )SHA3_224zsha3-224r?   Nr<   r   r   r   r
   rM      r=   rM   c                   @   rL   )SHA3_256zsha3-256rB   Nr<   r   r   r   r
   rN      r=   rN   c                   @   rL   )SHA3_384zsha3-384rI   Nr<   r   r   r   r
   rO      r=   rO   c                   @   rL   )SHA3_512zsha3-512r;   Nr<   r   r   r   r
   rP      r=   rP   c                   @   4   e Zd ZdZdZdefddZedefddZdS )	SHAKE128shake128Nr   c                 C   ,   t |ts	td|dk rtd|| _d S Nzdigest_size must be an integer   z&digest_size must be a positive integerr(   r   r)   
ValueError_digest_sizer	   r   r   r   r
   r.      
   

zSHAKE128.__init__r   c                 C   r/   r0   rY   r   r   r   r
   r      r1   zSHAKE128.digest_size	r   r   r   r   r   r   r.   r   r   r   r   r   r
   rR          	rR   c                   @   rQ   )	SHAKE256shake256Nr   c                 C   rT   rU   rW   rZ   r   r   r
   r.      r[   zSHAKE256.__init__r   c                 C   r/   r0   r\   r   r   r   r
   r      r1   zSHAKE256.digest_sizer]   r   r   r   r
   r_      r^   r_   c                   @   r7   )MD5md5   r;   Nr<   r   r   r   r
   ra      r=   ra   c                   @   <   e Zd ZdZdZdZdZdefddZe	defd	d
Z
dS )BLAKE2bblake2br;   rV   r@   r   c                 C      |dkrt d|| _d S )Nr;   zDigest size must be 64rX   rY   rZ   r   r   r
   r.         
zBLAKE2b.__init__r   c                 C   r/   r0   r\   r   r   r   r
   r      r1   zBLAKE2b.digest_sizeN)r   r   r   r   _max_digest_size_min_digest_sizer   r   r.   r   r   r   r   r   r
   re          re   c                   @   rd   )BLAKE2sblake2sr;   rB   rV   r   c                 C   rg   )NrB   zDigest size must be 32rh   rZ   r   r   r
   r.      ri   zBLAKE2s.__init__r   c                 C   r/   r0   r\   r   r   r   r
   r      r1   zBLAKE2s.digest_sizeN)r   r   r   r   r   rj   rk   r   r.   r   r   r   r   r   r
   rm      rl   rm   c                   @   r7   )SM3sm3rB   r;   Nr<   r   r   r   r
   ro     r=   ro   )r   r   cryptographyr   cryptography.exceptionsr   ABCMetar   r   r"   r$   r8   r>   rA   rC   rE   rG   rJ   rM   rN   rO   rP   rR   r_   ra   re   rm   ro   r   r   r   r
   <module>   s2   -