This is why as users we don't have to generate keys with our own computers.
When you reach home, you can unlock your home and read the mail. If someone sends you mail, do they need a key to your home to put it inside? No, they could just slide it under the door or put into your mailbox. One way I find it easy to think about is the following: You can always generate a new set of keys though. Every computer has the ability to create its own keys, but when you get a new computer, it doesn't magically already exist. There is no regulation requiring all data to be encrypted.Ī person's email address is not a public key.
Only if you use certain protocols like HTTPS will it be encrypted. All data sent over the Internet is not encrypted.
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