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CONN-38 Notes for 3.28.0 on PYTHON-1350 #1167

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6 changes: 6 additions & 0 deletions docs/column_encryption.rst
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,12 @@ also available, although in this case values must be manually encrypted and/or d
Client-side encryption and decryption should work against all versions of Cassandra and DSE. It does not
utilize any server-side functionality to do its work.

Warning: Change In Encryption Format From 3.27.0
------------------------------------------------
This version introduces a new encryption format for data written by :class:`~.AES256ColumnEncryptionPolicy`.
As a result any encrypted data written by version 3.27.0 of the driver will **NOT** be readable by this
version, so if you're upgrading you should re-encrypt your data.
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Configuration
-------------
Client-side encryption is enabled by creating an instance of a subclass of :class:`~.ColumnEncryptionPolicy`
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