T/TAF 074-2020 Mobile smart terminal digital car key information security technical requirements

Scope

Main technical content: Mobile intelligent terminal devices and related technologies have developed rapidly in recent years, accommodating an increasing number of functions related to clothing, food, housing, and transportation. At this point, mobile intelligent terminal products not only serve as communication tools, but can also be used as bank cards, transportation cards, smart home control terminals, and other functions. The function of mobile intelligent terminal devices as car keys has become one of the popular technologies in recent years, also known as digital car keys. Unlike traditional car keys, digital car keys do not require additional physical car keys, but integrate car key functions into mobile intelligent terminal devices. Based on security technologies such as SE and TEE, they use NFC, Bluetooth, cellular networks, and Wi-Fi to achieve vehicle opening and starting functions. Digital car keys are one of the important innovative functions of smart connected cars. Some vehicle manufacturers and mobile intelligent terminal device manufacturers have already started developing and proposing digital car key solutions. However, the industry currently lacks corresponding standards to ensure the consistency and security of the development process, which will seriously affect the actual implementation of this technology and greatly reduce consumers' user experience. Therefore, the purpose of establishing this standard is to address the above issues, with a focus on solving the information security problems of the digital car key function in mobile intelligent terminal devices. This standard is applicable to mobile intelligent terminal device manufacturers, mobile intelligent terminal application providers, smart connected car solution suppliers, and vehicle manufacturers, etc., and can provide product safety technical references for related industries in China and serve as a guiding reference for the industry market. For specific matters in the standard, if t

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