What is the key difference between quantum key distribution and classical key distribution in cryptography?
- Classical key distribution is only used in quantum computers
- Classical key distribution uses symmetric algorithms
- Quantum key distribution is faster than classical methods
- Quantum key distribution relies on quantum properties for secure key exchange
The key difference is that quantum key distribution uses quantum properties, such as the uncertainty principle, to enable secure key exchange. This contrasts with classical methods that rely on computational complexity. Quantum key distribution offers inherent security advantages, making it resilient against certain types of attacks. Understanding this distinction is vital for appreciating the strengths of quantum cryptography.__________________________________________________
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