SK Telecom and Thales Integrate 5G Network With Quantum-Resistant Encryption

SK Telecom and Thales Integrate 5G Network With Quantum-Resistant Encryption
SK Telecom (SKT) and Thales have successfully integrated post-quantum cryptography (PQC) (quantum-resistant cryptography) into their 5G test network. In an official release, SK Telecom said it has successfully connected the 5G test network by developing SIM communication network certification technology using PQC in collaboration with security company Thales.

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Technical Test Overview

The technical test involved applying quantum cryptosystems (QKD), post-quantum cryptosystems (PQC), and quantum random number generators (QRNG) to terminals and communication networks. SKT mentioned that this initiative aims to protect existing security systems from potential threats posed by the advancements in quantum computing.

Seamless Operations Confirmation

In collaboration with Thales, SK Telecom applied post-quantum cryptographic algorithms for encryption and key exchange to SIM and 5G authentication systems tested on a 5G network.

SK Telecom announced that the test demonstrated seamless operations, including registration, authentication, and receiving calls, even when applying post-quantum encryption algorithms, similar to the existing security system.

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Future-Ready API Development

Furthermore, SK Telecom and Thales jointly developed the post-quantum cryptographic framework of this technical test as an API, laying the groundwork for future communication network authentication and services such as M2M/IoT that require high security.

Commenting on the test, SK Telecom said, “The purpose of this post-quantum encryption technology test was to strengthen the security and stability of long-term communication networks, considering quantum computing advancements. SKT will continue researching security systems that cover not only communication networks but also future services.”