http://ssd.iykpqm7jiradoeezzkhj7c4b33g4hbgfwelht2evxxeicbpjy44c7ead.onion/pt-br/module/conceitos-chave-na-criptografia
It’s like in the real world: We don’t expect a mail delivery person to meddle with the contents of our mail, for example. We don’t expect someone to intercept a friend’s letter to us, open and modify it, and send it to us, as though nothing had been changed. But there’s a risk this could happen. Encrypted messages have this same risk of being modified, however, public key cryptography allows us a way to double-check if information has been tampered with,...