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Aalto University: Groundbreaking light sources can increase effectiveness and security of transferring quantum information

Entanglement is a central phenomenon of quantum mechanics. It enables two photons to be connected with each other regardless of distance, and it is the basis of the immense potential of quantum technologies. However, the continuing development of qua

United statesZhipei sunEthand minotTapani ryhGordey lesovikPertti hakonenNational centre of excellenceResearchers at aalto universityAatos erkko foundationFinnish flagship on photonics researchOregon universityAcademy of finlandQuantum technology finlandFinnish quantum instituteAalto universityProfessor pertti hakonen

Security firm claiming quantum breakthrough scrubs links to Russia

Security firm claiming quantum breakthrough scrubs links to Russia
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Alan woodwardKarl ecksteinGordey lesovikUniversity of surreyTerra quantumஆலன் வூட்வார்ட்பல்கலைக்கழகம் ஆஃப் சர்ரேடெர்ரா குவாண்டம்

Swiss firm Terra Quantum uncovers vulnerabilities that imperil encryption

Security experts have long worried that advances in quantum computing could eventually make it easier to break encryption that protects the privacy of people’s data. That’s because these sophisticated machines can perform calculations at speeds impossible for conventional computers, potentially enabling them to crack codes previously thought indecipherable. Now, a Swiss technology company says it has made a breakthrough by using quantum computers to uncover vulnerabilities in commonly used encryption. The company believes it’s found a security weakness that could jeopardize the confidentiality of the world’s internet data, banking transactions and emails. Terra Quantum AG said its discovery “upends the current understanding of what constitutes unbreakable” encryption and could have major implications for the world’s leading technology companies, such as Alphabet Inc.’s Google, Microsoft Corp., and International Business Machines Corp.

United statesMarkus pflitschGordey lesovikValerii vinokurChristopher sciaccaBrian lamacchiaMicrosoft corpNational institute of science technologyUniversity of texas at austinMoscow institute of physicsInternational business machines corpLaboratory of quantum information technologyAlphabet incEuropean organization for nuclear researchInternational business machinesBrent waters

Terra Quantum Makes Electronically Transmitted Communications Unbreakable After Revealing Weakness in post-quantum Cryptography

The protocol in detail The history of the non-stop contest between cryptographer and decipherers traces back to the cave ages and has seen many victories for both sides. Terra Quantum bases its solution on the Vernon’s cipher, the so-called ‘one-time pad’, proven by Claude Shannon to be unbreakable. Terra Quantum introduces the superfast quantum key distribution, establishing a practical realization of this procedure in the context of the modern superfast information communications service. The innovative Terra Quantum protocol, the superfast Boltzmann-Planck-protected secure information transmission, makes the electronically transmitted communication unbreakable in principle. The critical component of the proposed protocol is the change of the security paradigm based on quantum irreversibility. The standard approach utilizes the concept that an eavesdropper (Eva) can successfully use all the transmission line losses to decipher the communication. However, the lion’s share

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A Swiss Company Says It Found Weakness That Imperils Encryption

Security experts have long worried that advances in quantum computing could eventually make it easier to break encryption that protects the privacy of people’s data. That’s because these sophisticated machines can perform calculations at speeds impossible for conventional computers, potentially enabling them to crack codes previously thought indecipherable.

United statesMarkus pflitschGordey lesovikValerii vinokurChristopher sciaccaBrian lamacchiaMicrosoft corpNational institute of science technologyUniversity of texas at austinMoscow institute of physicsInternational business machines corpLaboratory of quantum information technologyAlphabet incEuropean organization for nuclear researchInternational business machinesBrent waters