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o ;jL � @ sp U d Z ddlmZmZmZ ddlmZ ddlmZ dd� Z dd � Z d d � Z d d � Z e ej�Ze ed< g d�ZdS )z miscellaneous zmq_utils wrapping� )�InterruptedSystemCall� _check_rc�_check_version� )�ffi)�libc C s, t dd� t| t�r| �d�} tt�| ��S )zxCheck for zmq capability by name (e.g. 'ipc', 'curve') .. versionadded:: libzmq-4.1 .. versionadded:: 14.1 )� r zzmq.has�utf8)r � isinstance�str�encode�bool�CZzmq_has)Z capability� r �J/opt/saltstack/salt/lib/python3.10/site-packages/zmq/backend/cffi/utils.py�has s r c C sL t �d�} t �d�}t�| |�}t|� t �| �dd� t �|�dd� fS )u generate a Z85 key pair for use with zmq.CURVE security Requires libzmq (≥ 4.0) to have been built with CURVE support. Returns ------- (public, secret) : two bytestrings The public and private key pair as 40 byte z85-encoded bytestrings. �char[64]N�( )r �newr Zzmq_curve_keypairr �buffer)�public�private�rcr r r � curve_keypair s $r c C sN t | t�r | �d�} tdd� t�d�}t�|| �}t|� t� |�dd� S )un Compute the public key corresponding to a private key for use with zmq.CURVE security Requires libzmq (≥ 4.2) to have been built with CURVE support. Parameters ---------- private The private key as a 40 byte z85-encoded bytestring Returns ------- bytestring The public key as a 40 byte z85-encoded bytestring. r )r � � curve_publicr Nr ) r r r r r r r Zzmq_curve_publicr r )r r r r r r r ) s r c O s. | |� }zt |� W |S ty Y q w )z/make a call, retrying if interrupted with EINTR)r r )�f�args�kwargsr r r r �_retry_sys_callA s ��r �PYZMQ_DRAFT_API)r r r r N)�__doc__Z zmq.errorr r r Z_cffir r r r r r r r r �__annotations__�__all__r r r r �<module> s
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