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python38
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nacl
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r8 r8 r9 rB E sn ���� �� �� �rB c C s0 t t| t�dtjd� t| �}t |tkd�t�tjd� t t|t�pJ|dkdtjd� t t|t�olt|�t kd�t �tjd� t t|t�o�t|�t kd�t �tjd� |r�|}t|�}n t j }d}t| �}|t }t �d �}t �d |�} t�| || |||t j ||� } t | dkd tjd� t �| |d �dd� S ) aD Encrypt the given ``message`` using the long-nonces xchacha20poly1305 construction. :param message: :type message: bytes :param aad: :type aad: Optional[bytes] :param nonce: :type nonce: bytes :param key: :type key: bytes :return: authenticated ciphertext :rtype: bytes r r r Nr r r r r! r" r# )r r$ r% r& r' r( r r) r* r r r r+ r r, r �*crypto_aead_xchacha20poly1305_ietf_encryptr. r/ r0 r8 r8 r9 rC � sp ���� �� �� �rC c C s( t t| t�dtjd� t| �}t |tkd�t�tjd� t t|t�pJ|dkdtjd� t t|t�olt|�t kd�t �tjd� t t|t�o�t|�t kd�t �tjd� |t }t � d�}t � d |�}|r�|}t|�} n t j}d } t�||t j| ||| ||� } t | d kd tjd� t �||d �dd� S ) aU Decrypt the given ``ciphertext`` using the long-nonces xchacha20poly1305 construction. :param ciphertext: authenticated ciphertext :type ciphertext: bytes :param aad: :type aad: Optional[bytes] :param nonce: :type nonce: bytes :param key: :type key: bytes :return: message :rtype: bytes r: r r; Nr r r r! r" r r< )r r$ r% r& r' r( �+_aead_xchacha20poly1305_ietf_CRYPTBYTES_MAXr) r* r r r r r, r+ r �*crypto_aead_xchacha20poly1305_ietf_decryptr. r/ r? r8 r8 r9 rE � sn ���� �� �� �rE N)4�typingr Znaclr r& Z nacl._sodiumr r Znacl.exceptionsr Z*crypto_aead_chacha20poly1305_ietf_keybytesr �int�__annotations__Z+crypto_aead_chacha20poly1305_ietf_nsecbytesr Z+crypto_aead_chacha20poly1305_ietf_npubbytesr Z(crypto_aead_chacha20poly1305_ietf_abytesr Z2crypto_aead_chacha20poly1305_ietf_messagebytes_maxr r= Z%crypto_aead_chacha20poly1305_keybytesr Z&crypto_aead_chacha20poly1305_nsecbytesr Z&crypto_aead_chacha20poly1305_npubbytesr Z#crypto_aead_chacha20poly1305_abytesr Z-crypto_aead_chacha20poly1305_messagebytes_maxr rA Z+crypto_aead_xchacha20poly1305_ietf_keybytesr Z,crypto_aead_xchacha20poly1305_ietf_nsecbytesr Z,crypto_aead_xchacha20poly1305_ietf_npubbytesr Z)crypto_aead_xchacha20poly1305_ietf_abytesr Z3crypto_aead_xchacha20poly1305_ietf_messagebytes_maxr rD r% r- r> r@ rB rC rE r8 r8 r8 r9 �<module> s� � � � � � ��� � � � � ��� � � � � �� � P � P � Q � P � Q �
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