January 29, 2002
Practical Aspects of Modern Cryptography
47
Internet Protocols
You (client)
Merchant
(server)
Let’s talk securely.
Here are the protocols
and ciphers I understand.
I choose this protocol
and ciphers.
Here is my public key, a
digital certificate,
and a random nonce.
Using your public key,
I’ve encrypted a random symmetric key.