Secure the data by encrypting it in the frontend before decrypting it in the

How can I achieve the highest level of security in this situation?

I have experimented with using the same public key for all users to encrypt data transmitted over HTTPS to my backend automatically.

However, individuals could potentially intercept and decrypt the JSON payload before encryption, then re-encrypt it on their end before sending it to my server.

The best scenario would involve only allowing client-side access to the public key, while the server has access to both the user's private key and public key.

Currently implementing RSA encryption

Frameworks utilized: VueJS and NestJS

javascriptvue.jsencryptionnestjsrsa

Answer №1

The user is the owner of their web browser, giving them complete control over it. Any actions performed within the browser are subject to inspection and manipulation by the user themselves.

To safeguard data from third-party interference, encryption can be utilized through HTTPS during transmission.

Attempting to force the user's browser to act in a certain way due to lack of trust is not a viable solution.

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