Encryption used by RADIUS is BEST described as:

The correct answer is D. Symmetric. RADIUS (Remote Authentication Dial-In User Service) uses a shared secret - a pre-configured password known to both the RADIUS client and the RADIUS server - to encrypt communications, specifically user passwords using MD5. This shared-secret model is symmetric encryption, where…

General security concepts

Question

Options

AQuantum
BElliptical curve
CAsymmetric
DSymmetric

How the community answered

(27 responses)

A
4% (1)
B
7% (2)
C
4% (1)
D
85% (23)

Explanation

RADIUS (Remote Authentication Dial-In User Service) uses a shared secret - a pre-configured password known to both the RADIUS client and the RADIUS server - to encrypt communications, specifically user passwords using MD5. This shared-secret model is symmetric encryption, where the same key is used for both encrypting and decrypting. Asymmetric encryption (C) uses a public/private key pair (like RSA) and is not what RADIUS uses. Elliptic curve (B) and quantum (A) encryption are not characteristic of the RADIUS protocol.

Topics

#RADIUS#symmetric encryption#authentication protocols

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