Asymmetric vs Symmetric Encryption and Hybrid: Asymmetric Pros: It does not need a pre-shared key,
only 2x users = total keys. Cons: It is much slower, it is weaker per bit. Symmetric: Pros: Much
faster, stronger per bit. Cons: Needs a pre-shared key, n(n-1)/2 users, becomes unmanageable with
many users.