PBKDF2 is a key derivation and strengthening function, commonly used for password storage.

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How to safely use a Key Derivation Function to secure private data - need guidance

I have some secure data created in my client app which I wish to store on the server as backup for the user. The user already has a password to authenticate with the server. The password is never ...
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Tracking IP address to prevent abuse without logging user metadata

I am trying to balance good security practices against excessive logging of user metadata / Personally Identifiable Information. I am constructing a web app that tracks IP addresses to prevent abuse, ...
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Login details security using salt n hash and a login role in postgresql

I am coding up the security for a website in express.js and postgresql db. Now I have been reading about salting and hashing and I have the code set up with pdkdf2 using the crypto module, but my ...