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Recently, Suzhou Guoxin Technology Co., Ltd. (hereinafter referred to as Guoxin Technology) and Anhui Wentian Quantum Technology Co., Ltd. (hereinafter referred to as Wentian Quantum) established a “Quantum Chip Joint Laboratory” to collaborate on the development of the quantum secure chip CCM3310SQ-T, which has completed its research and development and successfully achieved small-batch actual supply. This chip has been successfully applied in a communication project. The chip is based on Guoxin Technology’s secure chip CCM3310S-T and Wentian Quantum’s quantum random number generator WT-QRNG300, designed with advanced packaging technology, and can be widely used in quantum intelligent password keys, card readers, encryption boards, and other products, as well as in online banking, video surveillance, mobile payments, data security, confidential communications, copyright control, the Internet of Things, and smart grids.
▲ Block diagram of the CCM3310SQ-T quantum secure chip
CCM3310SQ-T quantum secure chip is designed using Guoxin’s proprietary 32-bit CPU security core CS0, featuring low power consumption, high performance, multifunctionality, and high security. It supports international algorithms such as DES, AES, SHA, RSA, ECC, and national secret algorithms SM1, SM2, SM3, SM4, SM9, with a typical operating frequency of 60MHz, and supports secure firmware, making it easy to embed quantum security in various applications. The chip uses a QFN32 package, measuring 4×4mm.
The CCM3310SQ-T quantum secure chip integrates the quantum random number generator WT-QRNG300, which has passed the testing of the National Cryptography Administration’s Commercial Cryptography Testing Center, with a random number generation rate of 20MHz. It utilizes the quantum tunneling effect of avalanche diodes to produce unpredictable dark noise as a quantum noise source, which is then sampled by internal circuits to generate quantum random numbers, ensuring that data randomness is not affected by external physical environments within the operating temperature range of -10 to +85℃.
Basic components of the quantum random number generator:
Quantum entropy source: Uses an SPAD array to generate dark pulse events based on quantum tunneling effects, possessing quantum inherent unpredictability;Time conversion: Uses TDC to measure the arrival time of dark current, generating the original random sequence;Randomness extraction: Uses a Toeplitz extractor to compress and extract a fully entropic random number sequence;Online detection: Conducts real-time online detection of the entropy source, original random sequence, and random number sequence.In recent years, China has successively introduced relevant laws and regulations such as the Cybersecurity Law, Cryptography Law, and Data Security Law, which have raised higher security assurance requirements for critical infrastructure. The application of quantum random number chips for comprehensive upgrades of cryptographic products empowers traditional cryptographic systems, which is of great significance for enhancing network security protection capabilities, strengthening the network security defense system, preventing and curbing major cybersecurity incidents, and ensuring the safe and stable operation of power systems and reliable power supply. As an innovative product in the field of new productive forces, the CCM3310SQ-T quantum secure chip has broad application prospects in key industries such as power and energy, government, finance, and telecommunications.
Strong collaboration, the Quantum Chip Joint Laboratory continues to innovate
The “Quantum Chip Joint Laboratory” has been leveraging Wentian Quantum’s advanced quantum technology and Guoxin Technology’s technical advantages in information security since its signing in May 2023, embedding new quantum cryptography technologies into traditional information security application scenarios, continuously developing quantum information security solutions, technologies, and products, such as quantum secure PCI-E cryptographic cards, quantum secure carriers, and the recently released quantum secure chip.
Combining secure chips with quantum random number generators can further enhance the security protection level of secure chips. The quantum secure chip CCM3310SQ-T is designed according to the second-level requirements of GM/T 0008 “Cryptographic Detection Criteria for Secure Chips”, integrating quantum security technology to empower traditional cryptographic systems, assisting in the comprehensive upgrade of information security technologies for various smart terminal products.
About Guoxin TechnologyGuoxin Technology (688262.SH) is a chip design company listed on the Science and Technology Innovation Board, focusing on the research and development and industrial application of domestically produced, controllable embedded CPU technology. It has a solid foundation in research and development and industrialization, with its main products applied in three key areas: automotive electronics and industrial control, information security, and artificial intelligence and advanced computing. It has built and realized a series of controllable high-security and high-performance cryptographic chip systems for “cloud-edge-end” and has become a leading domestic developer of controllable information security chips and modules, with products and services that consistently meet the latest market demands, assisting customers in building secure and reliable “data fortresses”.About Wentian Quantum
Anhui Wentian Quantum Technology Co., Ltd. was established in 2009 and has been deeply engaged in the quantum field for 15 years. It is one of the first high-tech enterprises in China to engage in the industrialization of quantum information technology, a national-level specialized and innovative small giant enterprise, and the leading unit of the quantum cryptography standard formulation working group designated by the Cryptography Commission. The company’s independently developed products cover five major series: scientific research and teaching products, quantum cryptography products, quantum cryptography control products, “quantum+” products, and quantum security products, which have been applied in various industries such as government affairs, national defense, electricity, finance, and education. The “Q-INSIDE” strategy aims to create a high-security quantum cryptography technology system that can withstand future information security threats.
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