Our First Intimate Contact with Quantum Technology

On the occasion of the world telecommunication and information society day on May 17, China Telecom released the first volte encrypted call product based on quantum information technology in the industry – Tianyi quantum HD encrypted call. It is reported that this product adopts the “triple protection” of domestic customized mobile phone, quantum security SIM card and national secret algorithm. On the basis of ensuring the original support of the terminal and volte HD call, it provides users with “pipe end core” integrated security protection, and brings a new experience of scientific, technological, fashionable, safe and convenient confidential communication. Will “quantum HD secret talk” be our first intimate contact with quantum technology?

Domestic customization, one word, one secret, not afraid of decoding

It is reported that the Tianyi quantum HD secret phone released this time is equipped with China Telecom customized terminal, adopts the quantum security SIM card of domestic chip, independently develops the quantum security middleware, and completes the encryption and decryption of volte voice data on the mobile phone side, so as to effectively prevent calls from being monitored in network transmission.

In fact, as early as January 2021, China Telecom announced the establishment of a joint venture with GuoDun quantum – China Telecom Quantum Technology Co., Ltd. to lay out the quantum security industry in advance. Quantum cipher products have been tested in Beijing, Anhui, Guangdong and other places. After more than a year, what is the difference between Tianyi quantum HD secret phone products launched this time?

“Quantum secret phones are based on the core technology provided by GuoDun quantum. The Tianyi quantum high-definition secret phone released this time can experience quantum high-definition secret phone without changing the card number.” Zhang Rutong, technical director of GuoDun quantum solution, told Science and Technology Daily that the difference between the two lies in the different product forms. “Quantum secret phone products take the SIM card as the carrier and do not need to change the mobile phone, so the user’s use threshold is low. Tianyi quantum HD secret phone takes the mobile phone as the carrier and adopts the ‘triple protection’ of domestic customized mobile phone, quantum security SIM card and national secret algorithm. Mobile phones are directly purchased.” Zhang Rutong said.

Compared with the former, Tianyi quantum HD secret call dialing method is also different. “The quantum secret call product realizes VoIP quantum encrypted call. Users open this service, replace the quantum security SIM card, download and install Tianyi quantum app through the mobile terminal, and enjoy encrypted call and encrypted SMS services.” Zhang Rutong told reporters.

He said that Tianyi quantum HD secret call integrates China Telecom’s volte network and quantum information technology. Compared with other call modes, volte can continuously connect to the Internet during the call and improve the quality of audio and video calls. Combined with quantum encryption technology, users can directly dial encrypted calls through the dial. “Every time a user initiates a quantum secret call, the key in the card will be randomly selected to verify the user’s identity. After passing the authentication, a new key will be generated by the quantum network in real time to encrypt the session data. The key is random and difficult to decipher, and the key will be discarded immediately after the session is over.” Zhang Rutong said that when either party does not support this service, the call will automatically fall back to the original volte call, which is easy to operate, fast to connect, without any sense of frustration. While ensuring the HD quality of the call, it will greatly enhance the security and confidentiality of the call.

It is applicable to industry users pursuing information security

“At present, quantum crypto is applicable to large and medium-sized enterprises in government affairs, finance, energy and other fields, as well as industrial users pursuing information security. At the same time, it is also open to public users who need confidential communication. It has broad application prospects and promotion value.” Zhang Rutong said.

It is understood that the quantum secret phone product has been officially launched since January 1, 2021. At present, the scale of end users is nearly 300000. The newly released Tianyi quantum HD secret phone is a new member of China Telecom’s “quantum + encrypted call” product family. It is an innovative integration of China Telecom’s volte network and quantum information technology. It is also a new application of China Telecom to promote the transformation of scientific research achievements of quantum confidential communication.

“At present, we have initially built an independent and controllable quantum security capability system, and will launch a series of products and solutions such as’ quantum + encryption networking ‘,’ quantum + secure Internet of things’ to provide higher-level security services for customers such as government affairs, finance and energy.” Zhang Rutong said that there will be more product types and apply quantum encryption technology in all aspects, including call security.

Industry experts said that simply from the perspective of call encryption, this is not an emerging function for mobile phones. Quantum secure mobile phones have made new breakthroughs in encryption methods and security. However, call encryption is not the mainstream demand of the mobile phone market at present. Data security is very important, but it is not easy to be perceived by consumers. With more and more personal data and financial information stored in smart phones, consumers’ demand for encryption will grow. Now ordinary people can buy quantum HD secret phone and try it.

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