U
    *”}f  ã                   @   sD   d dl mZmZmZ d dlZd dlZe ej¡G dd„ deƒƒZ	dS )é    )Úabsolute_importÚdivisionÚprint_functionNc                   @   s(   e Zd Zejdd„ ƒZejdd„ ƒZdS )ÚKeyDerivationFunctionc                 C   s   dS )zo
        Deterministically generates and returns a new key based on the existing
        key material.
        N© )ÚselfÚkey_materialr   r   úO/tmp/pip-unpacked-wheel-x36vw73o/cryptography/hazmat/primitives/kdf/__init__.pyÚderive   s    zKeyDerivationFunction.derivec                 C   s   dS )zš
        Checks whether the key generated by the key material matches the
        expected derived key. Raises an exception if they do not match.
        Nr   )r   r   Zexpected_keyr   r   r	   Úverify   s    zKeyDerivationFunction.verifyN)Ú__name__Ú
__module__Ú__qualname__ÚabcÚabstractmethodr
   r   r   r   r   r	   r      s   
r   )
Ú
__future__r   r   r   r   ÚsixÚadd_metaclassÚABCMetaÚobjectr   r   r   r   r	   Ú<module>   s   
