Post-Quantum Cryptography (PQC) refers to the use of cryptographic algorithms that can resist attacks from quantum and classical computers
Post-Quantum Cryptography (PQC) is a field of study dedicated to developing cryptographic algorithms that can resist attacks from quantum computers. Quantum computers have the potential to greatly impact traditional cryptographic methods as they can solve complex mathematical problems much faster than classical computers.
Classical cryptography, which is widely used today, is vulnerable to quantum computers due to their ability to perform rapid calculations using quantum properties known as quantum superposition and entanglement. These properties enable quantum computers to factor large numbers more efficiently, which poses a significant threat to security protocols that rely on the difficulty of factoring large numbers, such as the RSA encryption algorithm.
Post-quantum cryptography aims to develop alternative encryption algorithms that are resistant to attacks by both classical and quantum computers. These new algorithms typically rely on mathematical problems that are computationally difficult for both classical and quantum computers to solve. By doing so, post-quantum cryptography ensures that sensitive information transmitted or stored using these algorithms remains secure even in the face of quantum computing advancements.