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Add encryption hit about how to fix bad signature errors

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Added troubleshooting section for encryption.
Added section about the command to fix "Bad signature" errors.

Signed-off-by: Vincent Petry <vincent@nextcloud.com>
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Vincent Petry 2021-06-30 17:02:57 +02:00 committed by backportbot[bot]
parent 476b6ac608
commit 9c0222e5d4
1 changed files with 15 additions and 0 deletions
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admin_manual/issues/general_troubleshooting.rst
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@ -350,6 +350,21 @@ For a safe moving of data directory, supported by Nextcloud, recommended actions
.. warning
Note, you may need to configure your webserver to support symlinks.
Troubleshooting encryption
--------------------------
Problems when downloading or decrypting files
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
In some rare cases it can happen that encrypted files cannot be downloaded
and return a "500 Internal Server Error". If the Nextcloud log contains an error about
"Bad Signature", then the following command can be used to repair affected files:
| ``occ encryption:fix-encrypted-version userId --path=/path/to/broken/file.txt``
Replace "userId" and the path accordingly.
The command will do a test decryption for all files and automatically repair the ones with a signature error.
Other issues
------------