Which of the following is included in the Global System for Mobile Communications (GSM) security framework?

The correct answer is B. Symmetric key cryptography. The Global System for Mobile Communications (GSM) security framework uses symmetric key cryptography for protecting communication between mobile devices and the network. Symmetric encryption is the process where the same key is used for both encryption and decryption, and it is…

Submitted by mateo_ar· Mar 5, 2026Communication and Network Security

Question

Which of the following is included in the Global System for Mobile Communications (GSM) security framework?

Options

APublic-Key Infrastructure (PKI)
BSymmetric key cryptography
CDigital signatures
DBiometric authentication

How the community answered

(25 responses)

A
4% (1)
B
92% (23)
D
4% (1)

Explanation

The Global System for Mobile Communications (GSM) security framework uses symmetric key cryptography for protecting communication between mobile devices and the network. Symmetric encryption is the process where the same key is used for both encryption and decryption, and it is employed in various parts of the GSM security architecture, such as in the A5/1 and A5/2 encryption algorithms, which secure voice and data traffic.

Topics

#GSM security#symmetric cryptography#mobile security

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