Post-Quantum Cryptography. Its importance and how it works

Post-Quantum Cryptography is based on the use of mathematical problems that are difficult to solve even for quantum computers. Some of the most promising techniques include:

Lattice-Based Cryptography: This technique is based on lattice problems, which are geometric structures in several dimensions. The security of this encryption is based on the difficulty of solving certain lattice problems, even for quantum computers.

Code-Based Cryptography: It is based on the difficulty of deciphering a code that only the sender and recipient know. Error correction algorithms complicate the task of deciphering the message.

Hash-Based Cryptography: It uses hash functions to protect the integrity of messages. These functions are resistant to quantum computer attacks.

Multivariate Polynomial Cryptography: It is based on the difficulty of solving systems of polynomial equations. Security lies in the complexity of this process

In an increasingly digital world, information security is essential. The arrival of quantum computers poses new challenges for cybersecurity, but Post-Quantum Cryptography is presented as the solution to ensure that our data remains secure in this ever-evolving technological era. The importance of Post-Quantum Cryptography lies in its ability to resist advances in quantum computing and protect online privacy and security. As this technology develops, it will be essential to ensure the confidentiality and integrity of our communications and data.