Adversarymodels

For distributed systems and networks, we often should assume that there are adversaries Everywhere in the network Adversary may: eavesdrop, manipulate, inject, alter, duplicate, reroute, etc… Adversary may control a large number of network nodes that are geographically separated Dolev-Yao Threat Model: A very powerful adversarial model that is widely accepted as the standard by which cryptographic protocols should be evaluated Eve, the adversary, can: Obtain any message passing through the network Act as a legitimate user of the network (i.e.

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