On October 12, 2025, the Quantum Science and Technology Innovation Development Sub-Forum of the China Mobile Global Partner Conference held in Guangzhou. At the meeting, the "Four-Layer Five-Integration" overall plan for quantum communication was released for the first time, promoting the development of communication towards ubiquitous, large-scale and diversified. China Mobile Internet Co., Ltd. (hereinafter referred to as "China Mobile Internet"), as a professional of China Mobile, continues to strengthen its core capabilities in SIM cards, actively participate in the construction of quantum password infrastructure, promote the implementation of quantum confidential communication products, and help quantum technology from "laboratory" to "large-scale application and popularization".
Building a solid foundation for trusted identity security and promoting the quantum upgrade of cryptographic applications In recent years, from finance, communication to manufacturing, mobile payment, from social communication to flight control, all industries have been actively promoting the quantum upgrade of encryption capabilities. And more popular and more convenient quantum encryption capabilities are key to meeting the application needs of various industries. At this sub-forum, Zhuang Renfeng, Deputy General Manager of China Mobile Internet, delivered a keynote speech on "ightening the strategy of quantum technology, accelerating the popularization of cryptographic applications". He believes that technologies such as quantum key distribution (QKD) and post-quantum crypt (PQC) can achieve the safe upgrade of traditional cryptography and can also accelerate the development of new cryptographic applications such as trusted space and digital asset circulation. Among them, quantum super SIM card released this time has the advantages of supporting "national secret QKD PQC" triple encryption, always online, low cost, and relying on the "4×7×365" customer service system of the operator. The number of cardholders has exceeded 100 million. By realizing the on-demand recharge of keys in the super SIM card, the limitations of traditional key capacity have been broken, becoming a personal quantum password center, which can empower various mobile application scenarios.
With the quantum super SIM card as the core to consolidate the foundation of cryptographic security, China Mobile Internet is creating a new model for and platform-based quantum cryptography applications. With the capability combination of "Quantum SDK Mobile Authentication SDK Electronic Signature", it gradually empowers APP applications in all, striving to build a "trusted online space" covering various APP user behaviors, and realizes a closed-loop security protection process from user account authentication, data transmission encryption to operation traceability. This model not only enhances end-to-end security and controllability but also provides key technical support for the legal and compliance requirements involved in the market-oriented of data elements through a legally binding behavior tracing mechanism, helping to build a secure and trusted digital economy environment. At the same time, China Mobile Internet provides all-round for the popularization of quantum cryptography security. The first quantum key batch filling center in the network has been built in Guangzhou, realizing full-process automated production with a capacity of 100,000 pieces, which is an important milestone for quantum security technology to officially enter the industrial stage.
Embrace cutting-edge technology proactively and build core competitiveness for the post-quantum era. The forum also released the " Mobile New Era Post-Quantum Cryptography Migration White Paper", which for the first time proposes the "Autonomous Control Elastic Compatibility" "Post-Quant Security Resilience Network" architecture. The architecture covers five levels: algorithm, protocol, chip, system, and application, forming a full-stack cryptographic ecosystem to achieve a evolution of the cryptographic system. China Mobile Internet, as an important participant in the compilation of the white paper, takes the post-quantum super SIM card as the core, relying on the resource endowments of the operator's signal card, and creates a "Post-Quantum Cryptography (PQC) Algorithm Quantum Key National Algorithm" triple encryption technology. In some scenarios, through the key encapsulation capability, signature capability of the PQC algorithm and the quantum key generated by QKD, data encryption or identity authentication of QKD equipment are realized together, providing a "deep defense" solution for the highest security level of communication scenarios. In addition, China Mobile Internet has also established joint research center for the innovation and application of domestic cryptography with the team of Academician Wang Xiaoyun from Tsinghua University, focusing on the optimization implementation of PQC on super SIM cards and the migration application planning in the field of communication Internet, aiming to jointly promote the standardization and application promotion of PQC algorithms. From "traditionalography" to "post-quantum cryptography", we are facing a silent yet profound security revolution, a huge technological transformation that begins at the underlying architecture
China Mobile Quantum Secret Messenger, Defining a New Standard for Encrypted Communication During the forum, China Mobile systematically interpreted its quantum encrypted product system, constructing an architecture centered on a two-level key management platform and a "three-layer, two-level, integrated" structure. "China Mobile Quantum Secret Messenger, launched by China Mobile Internet, has become an important benchmark in the application layer of quantum encrypted communication as a quantum encrypted communication product that has been licensed for national-scale promotion. This product uses the super SIM card as the key carrier, integrates triple encryption technology and mobile IM base, and achieves end-to-end quantum secure transmission of voice, images files and other information. Even in the face of quantum computing attacks, it remains as solid as a rock. China Mobile Quantum Secret Messenger also has more abundant office applications to meet the needs of users in different office scenarios; it also has more refined management and control capabilities. Users can set a message to prohibit forwarding mode to prevent important messages from spreading. When files, they can also set permissions so that sensitive information is only visible to designated objects, further consolidating the security defense line.
Meanwhile, China Mobile has also created a product matrix of "quantum ", such as quantum cryptography, quantum seal, quantum intercom etc., and built a quantum open cooperation ecosystem. Among them, in the government affairs scenario, it provides quantum service capabilities covering all fields of the province for a certain province, adapts to industry application scenarios, and realizes the security upgrade of traditional seals, intercoms, dedicated lines and other hardware equipment. It deeply integrates quantum password security with existing application and promotes the transition of quantum encryption capabilities from the laboratory to industrialization. In the future, China Mobile will continue to deepen the strategic connotation of "four layers five integration", strengthen key technology research, standard leadership and ecological collaboration, promote quantum encryption technology from the laboratory to thousands of industries, and build a solid security foundation for digital, and escort high-quality development with high-level security.
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