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hmac.cpython-38.opt-2.pyc
U &�.e� � @ s� d dl Zd dlmZ z d dlZW n ek r< dZdZY n X e ej �Zd dl Zd dlZ d dl Z edd� ed�D ��Zedd� ed�D ��ZdZG dd� d�Zd d � ZG d d � d e j�Ze �� r�eZddd�Zdd� ZdS )� N)�_compare_digestc c s | ]}|d A V qdS )�\ N� ��.0�xr r � /usr/lib64/python3.8/hmac.py� <genexpr> s r � c c s | ]}|d A V qdS )�6 Nr r r r r r s c @ sN e Zd ZdZddd�Zedd� �Zdd � Zd d � Zd d � Z dd� Z dd� Z dS )�HMAC�@ N� c sV t �� rtd��t|ttf�s0tdt|�j ��� s<td��t � �rL� | _ n,t� t �rhd� fdd� | _ nd� fdd� | _ | � � | _ | � � | _ | j j| _t| j d�r�| j j}|d k r�t�d || jf td � | j}nt�d | j td � | j}|| _t|�|k�r| � |��� }|�|d �}| j �|�t�� | j �|�t�� |d k �rR| �|� d S )Nz9This class is not available in FIPS mode. Use hmac.new().�,key: expected bytes or bytearray, but got %rz'Missing required parameter 'digestmod'.� c s t �� | �S �N��_hashlib�new��d�� digestmodr r �<lambda>? r z HMAC.__init__.<locals>.<lambda>c s � � | �S r �r r r r r r A r � block_size� z:block_size of %d seems too small; using our default of %d.� z<No block_size attribute on given digest object; Assuming %d.� )r )r ) �_hashlibopenssl� get_fips_mode� ValueError� isinstance�bytes� bytearray� TypeError�type�__name__�callable� digest_cons�str�outer�inner� digest_size�hasattrr � _warnings�warn� blocksize�RuntimeWarning�len�digest�ljust�update� translate�trans_5C�trans_36)�self�key�msgr r1 r r r �__init__# sR � � �� � z HMAC.__init__c C s d| j j S )Nzhmac-)r, �name)r: r r r r> a s z HMAC.namec C s t �� rtd��| j�|� d S )Nz'hmac.HMAC is not available in FIPS mode)r r r! r, r6 )r: r< r r r r6 e s z HMAC.updatec C s: | j �| j �}| j|_| j|_| j�� |_| j�� |_|S r )� __class__�__new__r) r- r, �copyr+ )r: �otherr r r rA k s z HMAC.copyc C s | j �� }|�| j�� � |S r )r+ rA r6 r, r4 �r: �hr r r �_currentx s z HMAC._currentc C s | � � }|�� S r )rE r4 rC r r r r4 � s z HMAC.digestc C s | � � }|�� S r )rE � hexdigestrC r r r rF � s zHMAC.hexdigest)Nr ) r' � __module__� __qualname__r1 r= �propertyr> r6 rA rE r4 rF r r r r r s > r c C sH t | t�r| �� S t| �r"| d�} t | tj�s6td��| j�� �dd�S )Nr z6Only OpenSSL hashlib hashes are accepted in FIPS mode.�_�-) r" r* �lowerr( r ZHASHr% r> �replacer r r r �_get_openssl_name� s �rN c @ s e Zd Zddd�ZdS )� HMAC_opensslNc C sL t |ttf�s tdt|�j ��t|�}tjj | ||d�}|rH|� |� |S )Nr r ) r" r# r$ r% r& r' rN � _hmacopensslr r@ r6 )�clsr; r< r r> �resultr r r r@ � s zHMAC_openssl.__new__)NN)r' rG rH r@ r r r r rO � s rO r c C s t | ||�S r )r )r; r< r r r r r � s r c s� t d k r(t� t�r(� tkr(t �| |� �S t� �r6� }n(t� t�rPd� fdd� }nd � fdd� }|� }|� }t|dd�}t| �|kr�|| ��� } | d|t| � } |� | � t �� |� | � t �� |� |� |� |�� � |�� S ) Nr c s t �� | �S r r r �r4 r r r � r zdigest.<locals>.<lambda>c s � � | �S r r r rS r r r � r r r r )r )r ) � _hashopensslr" r* �_openssl_md_methsZ hmac_digestr( �getattrr3 r4 r6 r7 r9 r8 )r; r< r4 r) r, r+ r1 r rS r r4 � s, �� r4 )Nr )�warningsr/ � _operatorr Zcompare_digestr rT � ImportErrorrU � frozensetZopenssl_md_meth_namesZhashlibr rP r# �ranger8 r9 r- r rN rO r r r4 r r r r �<module> s( u
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