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🏠 Home › MCQs › Technology › Question

Which process ensures both the integrity of a message and the authenticity of the sender in digital communications?

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By TheQuizWire

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Source Technology Knowledge Database

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Fact Checked

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Difficulty Hard

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Published 17 Apr 2026

A. Encrypting the message with the recipient's public key.

B. Hashing the message and encrypting with the recipient's key.

C. Encrypting a message hash with the sender's private key.

D. Encrypting the message with a symmetric session key.

💡 Explanation:

A digital signature is created by hashing a message to ensure integrity and then encrypting that hash with the sender's private key. This ensures the sender's identity (authenticity) because only their public key can decrypt it.

📚 Topics: Technology Technology and Computing

🎯 Exams: CSS PMS UK_CS US_COMP

🏷️ Tags: Cybersecurity Data Integrity Public Key Infrastructure

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