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z _Direct.wrapc C sF | j |� |dkrtd��t|jd��}t|�|krBt|t|���|S )Nr� zInvalid Encryption Key.r� )r� r. r rM r, r )r r@ r� r� r� r� r r r r� � s
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� Z dd� Z dS )�_EcdhEszECDH-ESzECDH-ES using Concat KDFra r� Nc C s t � | _tttd�| _d S )N)r� r� r` )r rF r� r� r� r� )r r r r rH � s z_EcdhEs.__init__c C s, t |t�std��|jdkr(td|j��d S )Nzkey is not a JWK objectZEC)r� r r. r� r )r r@ r r r r� � s
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r� c @ s e Zd Zdd� Zdd� ZdS )�_RawJWEc C s t �d S )N)r? )r r� r� �mr r r r� L s z_RawJWE.encryptc C s t �d S )N)r? )r r� r� r� r9 �tr r r r� O s z_RawJWE.decryptN)r$ r% r& r� r� r r r r r� J s r� c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � ZdS )
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functions.
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r Z,cryptography.hazmat.primitives.kdf.concatkdfr Z)cryptography.hazmat.primitives.kdf.pbkdf2r Z&cryptography.hazmat.primitives.paddingr ZsixZjwcrypto.commonr r r r r r r r Z jwcrypto.jwkr r� Z
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