From: Patrick Canterino <patrick@patrick-canterino.de>
Date: Thu, 28 Mar 2024 16:50:24 +0000 (+0100)
Subject: Re-emplementing encryption using Sodium
X-Git-Url: https://git.p6c8.net/jirafeau_mojo42.git/commitdiff_plain/be4715096f9a63d823da90c405f500d454247989?ds=inline;hp=be4715096f9a63d823da90c405f500d454247989

Re-emplementing encryption using Sodium

Changes:
- Encryption using Sodium
- Key is generated using random_bytes() (cryptographically secure)
- Encryption is done using a second file, which is renamed after encryption is
  complete (by using the same file, we would encrypt already encrypted data
  again)
- A file encrypted using Sodium is marked with "C2" in the link file, so we can
  distinguish them from files encrypted using mcrypt

ToDo:
- Error checking
- Show a warning in the admin interface if Sodium is not available
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