Computer Science for IGCSE & O level - Data Transmission (Section 1 - No. 4)
Which of the following is a key characteristic of quantum cryptography?
Relies on the principles of quantum mechanics.
Uses only symmetric keys.
Is immune to eavesdropping.
Is slower than classical cryptography.
Explanation
Quantum cryptography leverages the principles of quantum mechanics, such as the polarization of photons, for secure communication.