Computer Science for IGCSE & O level - Data Transmission (Section 8 - No. 20)
What is the main difference between symmetric and asymmetric key cryptography?
Symmetric uses two keys, asymmetric uses one.
Symmetric is slower, asymmetric is faster.
Symmetric uses a single key, asymmetric uses a key pair.
Symmetric is more secure than asymmetric.
Explanation
The key difference lies in the number of keys used: one for symmetric, and a pair (public and private) for asymmetric.
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