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Two users wish to establish a secure communication channel and exchange a session key after mutual authentication. Show how this can be done with the hclp of a $\mathrm{KDC}$ .
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  • Key Distribution Center (KDC) is a central authority dealing with keys for individual computer ( nodes) in a computer network.

    • It is similar to the concept of the authentication Services (AS) & Tichel Granting Service (TGS) in Kerheros.
    • The basic idea is that every node shares an unique secret key …

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