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Sending encryption keys as cookies

Posted by veg_all on 12/17/25 11:53

As I read about security it seems that the only secure way to encrypt
data is to not store the key anywhere on the server. So I have the user
manually type it in and it gets stored as a persistent cookie on their
machine.

In other words, when the log in, they are prompted for the key . the
key is then posted via a form to a php script which stores the key as a
cookie. Is this secure? Is there any loophole in doing it this way?

 

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