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Quantum crypto

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Applications of Quantum Cryptography – QKD CS551/851 CR yptography A pplications B istro Mike McNett 6 April 2004 Paper: Chip Elliott, David Pearson, and Gregory Troxel. “ Quantum Cryptography in Practice ”
Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Quantum Cryptography ,[object Object],[object Object],[object Object]
Basic Idea
History of QKD ,[object Object],[object Object],[object Object]
Two Protocols for QKD ,[object Object],[object Object]
BB84 ,[object Object]
BB84 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
BB84 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Reference: http://monet.mercersburg.edu/henle/bb84/demo.php
BB84 – No Eavesdropping ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
BB84 – With Eavesdropping ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DARPA Project
DARPA Project Overview ,[object Object],[object Object],[object Object],[object Object]
DARPA Project Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
QKD Attributes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DARPA Quantum Network
Randomly selects Phase and Value Randomly chooses Phase Basis Measures Phase & Value Timing and Framing
1’s and 0’s ,[object Object],[object Object],[object Object]
1’s and 0’s ,[object Object],[object Object],[object Object],[object Object],[object Object]
1’s and 0’s ,[object Object],[object Object]
1’s and 0’s ,[object Object]
1’s and 0’s ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
QKD Protocols ,[object Object],[object Object],[object Object],[object Object]
IPSEC ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Key Lifetime and Key Size QKD Extensions ,[object Object],[object Object],[object Object]
Issues ,[object Object],[object Object]
Other Implementations ,[object Object],[object Object],[object Object],[object Object],[object Object]
Pros & Cons ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Questions? ,[object Object]

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Quantum crypto

  • 1. Applications of Quantum Cryptography – QKD CS551/851 CR yptography A pplications B istro Mike McNett 6 April 2004 Paper: Chip Elliott, David Pearson, and Gregory Troxel. “ Quantum Cryptography in Practice ”
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