How to store keys
Guys, hello, I asked myself this question. How to store keys as securely as possible? Simulating the situation, I have an application and it has certain files encrypted using a certain key, how to store the key itself. I refuse that the client will have the key and will enter it. The application will not have access to any external database until it passes this step with encrypted files, and the application, for example, will be available on the network, in which case I refuse to store it in
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