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Threat to the West: China Used a Quantum Computer to Hack Military-Grade Encryption

Published on 13/10/2024 at 15:45
Updated on 13/10/2024 at 15:46
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China Hacked Military-Grade Encryption with a Quantum Computer, Raising Major Concerns in the West

Chinese researchers announced an alarming technological breakthrough that could pose a threat to global military and financial security. Using a D-Wave quantum computer, they claim to have hacked a military-grade encryption algorithm, marking what could be the first successful quantum attack on widely used cryptographic systems.

The D-Wave Advantage, the system employed by the researchers, was initially designed for non-cryptographic use but breached the security of algorithms based on the Substitution-Permutation Network (SPN).

Although no specific passwords have been compromised so far, experts warn that this achievement could signal the beginning of an era where traditional encryption may become vulnerable to quantum computing.

Quantum Computing and the Tunneling Effect

China, quantum computer, encryption

In recent years, quantum computing has been viewed as a promising field with the potential to revolutionize technology, but it has also been met with concern due to its ability to break cryptographic codes.

The D-Wave system, unlike universal quantum computers that rely on error correction code technologies, demonstrates a stable growth trajectory, according to Chinese researchers. One of the main advantages of the D-Wave is its “quantum tunneling” effect, which allows it to “jump” from local minima where traditional algorithms would get stuck.

This tunneling effect, compared to a ball finding the lowest point in a rugged terrain, enables the D-Wave to quickly optimize the search for solutions, something traditional algorithms would take much longer to achieve. In the world of cryptography, this capability represents a significant threat.

Attack on the RSA Algorithm

The researchers’ focus was on attacking the RSA encryption algorithm, one of the most commonly used in secure internet transactions.

They introduced two technical approaches based on quantum annealing, one using a purely quantum algorithm, while the other combines quantum annealing with classical algorithms.

The idea is to convert the cryptographic attack into a combinatorial optimization problem, which can be solved by quantum models such as Ising or QUBO.

One of the significant achievements described in the study was the decomposition of a two-million-digit integer using the D-Wave Advantage, an unprecedented feat in the field.

The goal is to search for solutions in an exponential space, something that is beyond the reach of traditional computing. The researchers detail that this breakthrough was made possible by optimizing multiplication tables and conserving qubit resources.

Potential Threat to Global Security

Modern encryption is one of the pillars of global cybersecurity, protecting financial transactions, military communications, and sensitive data from governments and corporations.

The ability of a quantum computer to break algorithms like RSA poses a direct risk to these infrastructures. Although the attack reported by the researchers is still in its early stages and has not compromised specific data, the technological advancement is an indication that traditional encryption may no longer be secure.

Quantum computing has long been pointed out as a potential threat to data security, but the advancements demonstrated by China elevate this threat to a new level.

According to a study published in the Chinese Journal of Computers, the quantum annealing algorithm, by exploiting the tunneling effect, allows for finding solutions in an N-dimensional network much more efficiently than traditional methods.

This technology, which has the potential to optimize attacks on cryptographic components, could, in the future, compromise data on a large scale, from military information to international financial transactions. Countries and companies around the world, especially in the West, will need to review their security protocols and adopt new encryption methods that can withstand quantum computing.

The Future of Cryptography

With this advancement, the race to develop quantum-resistant algorithms is intensifying.

Cybersecurity institutions worldwide are already developing post-quantum encryption methods, but there is still a long way to go before these solutions are fully implemented.

In the meantime, the world watches with concern China’s advancements in quantum computing, aware that we are increasingly approaching a new era in digital security. The vulnerability that these computers can impose on current infrastructures requires an urgent response from the international community.

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Fabio Lucas Carvalho

Jornalista especializado em uma ampla variedade de temas, como carros, tecnologia, política, indústria naval, geopolítica, energia renovável e economia. Atuo desde 2015 com publicações de destaque em grandes portais de notícias. Minha formação em Gestão em Tecnologia da Informação pela Faculdade de Petrolina (Facape) agrega uma perspectiva técnica única às minhas análises e reportagens. Com mais de 10 mil artigos publicados em veículos de renome, busco sempre trazer informações detalhadas e percepções relevantes para o leitor.

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