Computer Science for IGCSE & O level - Data Transmission (Section 5 - No. 46)

Which of the following is the correct name for a form of encryption that involves both the sender and the recipient use the same key to encrypt and decrypt?

Symmetric key encryption

Asymmetric key encryption

Public key encryption

Block cipher encryption

Explanation

Symmetric key encryption uses the same secret key for encryption and decryption.

Computer Science for IGCSE & O level - Data Transmission (Section 5 - No. 46)

Explanation

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