Summary of Key Hierarchies

Figures 10.3 through 10.6 summarize the key hierarchy, showing how the various keys are derived. These diagrams are provided as a quick reference prior to the detailed description of how the key derivation is implemented.

Figure 10.3. TKIP Pairwise Key Hierarchy

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Figure 10.6. AES Group Key Hierarchy

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Figure 10.4. TKIP Group Key Hierarchy

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Figure 10.5. AES Pairwise Key Hierarchy

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    Part II: The Design of Wi-Fi Security