What is Authentication? Why do we need it? Name the algorithm(s) used in it?

What is Authentication? Why do we need it? Name the
algorithm(s) used in it?

Question Posted / deepak.prince

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What is Authentication? Why do we need it? Name the algorithm(s) used in it?..

Answer / aksheya

Authentication: Authentication is the process by which users
establish identities and verify access rights to network
services and applications. Authentication services can be
implemented differently depending on the level of security a
vendor provides. Two types of authentication encryption
techniques are commonly used: symmetric and asymmetric.
Need: Security purpose
Algorithm(s):
1.Data Encryption Standard (DES)
2.Rivest-Shamir-Adelman (RSA)
3.International Data Encryption Algorithm (IDEA

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