Authentication & Public Key Encryption (Ch 9 Replacement)

Authentication is the process of confirming that someone is who they say they are - making sure that the computer claiming to be wellsfargo.com is really owned by Wells Fargo. The structure of the internet makes this an important problem - we rely on many unknown messengers to relay the messages we send to its destination. These pages explore how we use a trick called asymmetric encryption to verify who’s who on the internet.