the system will save the keys to [your home directory]/.ssh/id_rsa. Unless you are an expert you should use the default option and press Enter. The system will now generate the key pair and display ...

The identification is saved in the “id_rsa” file and the public key is labeled “id_rsa.pub”. This is your SSH key pair. They are saved in plain text. In public key cryptography, there is both a ...

See RSA and cryptography ... it is verified to originate from only one entity, the owner of the key pair. This method is used in the passwordless FIDO system to authenticate users (see FIDO).