Unit 3 Assignment 2.1 Authentication?

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2.1 Authentication
Authentication is a primary fullfillment in VANET as it confirm that the messages are sent by the orignal nodes and hence attacks done by the grabby drivers or the other oppose it can be concentrated to a terrific limit.

2.2 Message Integrity
This is very much depend upon the confirmation of transferred messages are not changed in shipment that the messages the vehicle operator receives are correct.

2.3 Message Non-Repudiation
In this security based on system a sender cannot deny the fact having sent the message. But that doesn’t mean that anybody can classify the sender only special authorities should be grant to classify a vehicle from the verified messages it sends.

2.4 Entity authentication
It confirm that the sender

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