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xQlave™ – Post-Quantum Cryptography

“Systems designed today must have have the ability to support PQC in the future.”

Quantum computing – an opportunity and a threat

Quantum computing is revolutionising the way we look at computing and security. Although quantum computers will be able to solve certain types of computational problems orders of magnitude faster than current traditional computing architectures, they also pose a considerable threat to data and communications security based on cryptographical algorithms.

It is entirely possible that malicious actors are currently capturing and storing targeted network traffic, to be decrypted in the near future with powerful enough quantum computers. We must therefore prepare for the future already today, through adaptability and upgradeability of our products and industrial infrastructures.

Post-quantum cryptography.

Introducing Post-Quantum Cryptography

Advances in quantum computing also drive the development and standardisation of advanced cryptographic algorithms that withstand attacks by quantum computing platforms. These Post-Quantum Cryptographic (PQC) algorithms are implemented on classical, non-quantum computing platforms for higher security level against quantum computer threats.

The US National Institute of Standards and Technologies (NIST) organises a competition-like process of PQC standardisation to foster the development of PQC algorithms. A significant milestone was achieved in July 2022, when NIST announced third-round winners of the PQC standardisation process. These four winners are CRYSTALS-Kyber, CRYSTALS-Dilithium, Falcon, and SPHINCS+, of which CRYSTALS-Kyber is an algorithm for Key-Encapsulation Mechanism (KEM) and the rest fall under the digital signature category. The first PQC standard from NIST will be based on these algorithms.The standardisation process is now moving to the fourth phase where the four winner algorithms of the third round will be properly standardised, and additional four candidates for Key-Encapsulation Mechanism have been introduced for the fourth round.

Xiphera’s xQlave™ product family

Xiphera's new xQlave™ product family consists of secure and efficient implementations of PQC algorithms that are designed to withstand attacks made by quantum computers. The xQlave™ product family includes a portfolio of quantum-secure key exchange and digital signatures that are based on the winner algorithms of the NIST PQC competition and expected to be standardised in the near future.

The first product in the xQlave™ product family is a CRYSTALS-Kyber IP core. The xQlave™ product family will expand with algorithms based on CRYSTALS-Kyber as well as CRYSTALS-Dilithium digital signatures later in 2023. The xQlave™ product family covers various IP cores optimised for extremely small resource footprint (C, compact), maximal performance (H, high-speed), or the optimal balance between the two (B, balanced).

Xiphera follows actively the change that quantum computing and PQC bring to the field of information security. We update and develop our product portfolio with every development in the industry, to offer our customers state-of-the-art security and fast-to-market introduction of the latest security standards.


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The xQlave™ product family from Xiphera Ltd. is availabe in the following regions: USA and Canada, EMEA, and APAC. For further information, contact our sales through our website our by emailing us at Xiphera sales email address to future-proof the security of your products and solutions.

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