Computer Science for IGCSE & O level - Data Transmission (Section 11 - No. 23)
What is the primary aim of symmetric encryption?
To provide data integrity.
To establish a secure communication channel.
To use one key for encryption and another for decryption.
To ensure non-repudiation.
ব্যাখ্যা
Symmetric encryption is about establishing a secure communication channel as it uses a shared secret key.