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CipherBackend( t modest CipherAlgorithmc B` s, e Z e j d � � Z e j d � � Z RS( c C` s d S( sE
A string naming this mode (e.g. "AES", "Camellia").
N( ( t self( ( sS /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/ciphers/base.pyt name s c C` s d S( sW
The size of the key being used as an integer in bits (e.g. 128, 256).
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The size of a block as an integer in bits (e.g. 64, 128).
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CipherContextc B` s> e Z e j d � � Z e j d � � Z e j d � � Z RS( c C` s d S( sk
Processes the provided bytes through the cipher and returns the results
as bytes.
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Processes the provided bytes and writes the resulting data into the
provided buffer. Returns the number of bytes written.
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Returns the results of processing the final block as bytes.
N( ( R ( ( sS /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/ciphers/base.pyt finalize< s ( R R R t abstractmethodR R R ( ( ( sS /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/ciphers/base.pyR , s t AEADCipherContextc B` s e Z e j d � � Z RS( c C` s d S( s3
Authenticates the provided bytes.
N( ( R R ( ( sS /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/ciphers/base.pyt authenticate_additional_dataE s ( R R R R R ( ( ( sS /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/ciphers/base.pyR C s t AEADDecryptionContextc B` s e Z e j d � � Z RS( c C` s d S( s�
Returns the results of processing the final block as bytes and allows
delayed passing of the authentication tag.
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Returns tag bytes. This is only available after encryption is
finalized.
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| | _ d S( N( t _ctx( R R3 ( ( sS /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/ciphers/base.pyR, � s c C` s. | j d k r t d � � n | j j | � S( Ns Context was already finalized.( R; R& R R ( R R ( ( sS /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/ciphers/base.pyR � s c C` s1 | j d k r t d � � n | j j | | � S( Ns Context was already finalized.( R; R& R R ( R R R ( ( sS /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/ciphers/base.pyR � s c C` s: | j d k r t d � � n | j j � } d | _ | S( Ns Context was already finalized.( R; R& R R ( R R ( ( sS /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/ciphers/base.pyR � s
( R R R, R R R ( ( ( sS /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/ciphers/base.pyR: � s R9 c B` sG e Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( c C` s1 | | _ d | _ d | _ d | _ t | _ d S( Ni ( R; t _bytes_processedt _aad_bytes_processedR& t _tagR6 t _updated( R R3 ( ( sS /tmp/pip-install-A1qMVe/cryptography/cryptography/hazmat/primitives/ciphers/base.pyR, � s
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