My project is an integration service between two web applications. I need to store various user's username/passwords in SQL in order to access their respective accounts on an external web application. (e.g. FTP user details or API credentials).
I can't hash the password as I need it as a string to connect to external applications. I know there are various options out there that encode based on a key file, but then where can I store the key file securely?
How can I store the password securely?
Its not massively sensitive data but I don't feel I can just throw it in a text field.
I'm using MYSQL and PHP
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