How does post-quantum cryptography work?

Can you explain how post-quantum cryptography works?

Post-quantum cryptography refers to cryptographic algorithms that are secure against the potential threats posed by quantum computers. It involves developing new protocols that can withstand quantum attacks.

What makes it different from traditional cryptography?

Traditional cryptography relies on mathematical problems that quantum computers can solve efficiently, like factoring large numbers. Post-quantum cryptography uses problems that are believed to be hard for quantum computers, such as lattice-based problems.

Are there any examples of post-quantum algorithms?

Yes, some examples include lattice-based cryptography like NTRU, hash-based signatures, and code-based cryptography like McEliece.

How soon do we need to adopt these new algorithms?

Experts recommend transitioning to post-quantum algorithms as soon as possible, as quantum computers are advancing rapidly, and we need to be prepared.