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t j d � S( Ni ( t ost urandom( t cls( ( sS /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/ciphers/aead.pyt generate_key s c C` s} | d k r d } n t | � | j k s? t | � | j k rN t d � � n | j | | | � t j t | | | | d � S( Nt s1 Data or associated data too long. Max 2**32 bytesi ( t NoneR t _MAX_SIZEt
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c C` s7 d t | � } d d | | k r3 t d � � n d S( Ni i i s Nonce too long for data( R R ( R R t data_lent l_val( ( sS /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/ciphers/aead.pyR. | s c C` se t j d | � t j d | � t j d | � d t | � k oM d k n sa t d � � n d S( NR R R i i
s$ Nonce must be between 7 and 13 bytes( R R
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t AESGCMc B` sA e Z d Z d � Z e d � � Z d � Z d � Z d � Z RS( i i c C` s> t j d | � t | � d k r1 t d � � n | | _ d S( NR i i i s) AESGCM key must be 128, 192, or 256 bits.( i i i ( R R
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c C` s} | d k r d } n t | � | j k s? t | � | j k rN t d � � n | j | | | � t j t | | | | d � S( NR s1 Data or associated data too long. Max 2**32 bytesi ( R R R R R R R R ( R R R R ( ( sS /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/ciphers/aead.pyR � s * c C` sD | d k r d } n | j | | | � t j t | | | | d � S( NR i ( R R R R! R ( R R R R ( ( sS /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/ciphers/aead.pyR" � s
c C` sU t j d | � t j d | � t j d | � t | � d k rQ t d � � n d S( NR R R i s Nonce must be at least 1 byte( R R
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