Symmetric Key Example
80 00 00
00 00 80
40 80 40
40 80 40
C0 80 40
40 80 C0
40 80 C0
C0 80 40
80 00 00
00 00 80
C0 80 C0
C0 80 C0
Public Key
Secret Keys
Secret Key
Private Key
Base Key
Public – Everyone can see this
Public – Eavesdroppers can see this
Private only sender sees their key
Private joint Key, both senders see this key
Private only sender sees their key
Person A
Person B