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• 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

• Example of the Diffie-Hellman Key Exchange