LG Uplus (LGU+), a mobile carrier in South Korea, said it would apply quantum-resistant cryptography technology to wired and wireless communication through technology advancement.
As different passwords are used for all IT-related hardware and software with many companies storing and processing numerous big data, a system to prevent the risk of hacking is important. LGU+ said its quantum-resistant cryptography technology will provide an optimal network for customers who require security services that can safely protect data from external threats.
"As a leader in quantum-resistant cryptography technology, LG Uplus will create a technological environment and an industrial ecosystem, which are needed to foster the quantum information and communication industry as a core industry of the country," Koo Sung-chul in charge of LGU+'s wired network business said in a statement on April 21.
Data encoded in a quantum state is virtually unhackable without quantum keys which are basically random number tables used to decipher encrypted information. Even though current, publicly known, experimental quantum computers lack the processing power to break any real cryptographic algorithm, cryptographers are designing new algorithms to prepare for a time when quantum computing becomes a threat.
LGU+ has commercialized post-quantum cryptography (PQC) technology, which refers to cryptographic algorithms. PQC does not require separate network infrastructure to distribute cryptographic keys because it can be applied flexibility to different sections of wired and wireless networks that require encryption.
A dedicated PQC line provides an environment that cannot be hacked through a reconfigurable optical add-drop multiplexer (ROADM). It is a method of encrypting and decrypting data with a quantum-resistant encryption key when a customer transmits and receives data through a dedicated line.
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