Right now, AES-256-CBC is hardcoded as encryption algorithm. Other AES-256 modes, such as GCM, offer some benefits over CBC (like authentication). Changing this would be a breaking change, so a possibility would be to introduce an option to specify the encryption algorithm used.
I haven't looked too much into the encryption implementation, but using other AES-256 modes may require some other changes, like making sure the auth tag is added to the ciphertext.
sindresorhus / conf
Simple config handling for your app or module
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