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Diffstat (limited to 'docs/hazmat/primitives/symmetric-encryption.rst')
| -rw-r--r-- | docs/hazmat/primitives/symmetric-encryption.rst | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/docs/hazmat/primitives/symmetric-encryption.rst b/docs/hazmat/primitives/symmetric-encryption.rst index 7d954046..85d8e8e3 100644 --- a/docs/hazmat/primitives/symmetric-encryption.rst +++ b/docs/hazmat/primitives/symmetric-encryption.rst @@ -388,10 +388,10 @@ Interfaces .. class:: CipherContext When calling ``encryptor()`` or ``decryptor()`` on a ``Cipher`` object - you will receive a return object conforming to the ``CipherContext`` - interface. You can then call ``update(data)`` with data until you have fed - everything into the context. Once that is done call ``finalize()`` to - finish the operation and obtain the remainder of the data. + the result will conform to the ``CipherContext`` interface. You can then + call ``update(data)`` with data until you have fed everything into the + context. Once that is done call ``finalize()`` to finish the operation and + obtain the remainder of the data. Block ciphers require that plaintext or ciphertext always be a multiple of their block size, because of that **padding** is sometimes required to make @@ -429,14 +429,14 @@ Interfaces When calling ``encryptor()`` or ``decryptor()`` on a ``Cipher`` object with an AEAD mode (e.g. - :class:`~cryptography.hazmat.primitives.ciphers.modes.GCM`) you will receive - a return object conforming to the ``AEADCipherContext`` and - ``CipherContext`` interfaces. If it is an encryption context it will - additionally be an ``AEADEncryptionContext`` interface. - ``AEADCipherContext`` contains an additional method - ``authenticate_additional_data`` for adding additional authenticated but - unencrypted data (see note below). You should call this before calls to - ``update``. When you are done call ``finalize()`` to finish the operation. + :class:`~cryptography.hazmat.primitives.ciphers.modes.GCM`) the result will + conform to the ``AEADCipherContext`` and ``CipherContext`` interfaces. If + it is an encryption context it will additionally be an + ``AEADEncryptionContext`` interface. ``AEADCipherContext`` contains an + additional method ``authenticate_additional_data`` for adding additional + authenticated but unencrypted data (see note below). You should call this + before calls to ``update``. When you are done call ``finalize()`` to finish + the operation. .. note:: |