Ad-Hoc binary tree routing
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Ad-Hoc binary tree routing

Checked-in for keeping track of old codebase. Visual demo/simulation code for Ad-Hoc binary tree routing.

Note : this code is writen for VB6


Tokens are popular in two factor authentication, where the first authentication credential is a fixed secret key s1 associated with the user and the second authentication credential is a dynamic secret key s2 generated by the token assigned to the user. Popular hardware tokens use a synchronized clock T along with a static secret key encoded into the token to generate a one time secret s2. The contribution of the paper is to eliminate this clock synchronization with the authentication server S and to detect unauthorized login attempts when an intruder is in possession of s1 or s2 but not both, with a high degree of certainty.


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