AES - Store and transfer data with this advanced encryption algorithm (node.js)

Welcome to @queiroz-rafael!

Though a simple example we are going to build the whole workflow, from the definition of the key and the initialization vector to encryption of messages and then to decrepitation.

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[queiroz-rafael]

If you have any doubt where to store the generated keys, the answer is that it may vary accordingly with your scenario. For instance, in case you have a key per user, you may store that with the user record, that could be in some database table or user LDAP (Activy Directory) field.