Lightweight digital certificate issuing method and system suitable for Internet of Things terminal

• Main Authors: FENG YUN, ZHANG LIANG, ZHANG CHEN, WANG NAN, ZHOU QI, XU BIN, LI ZHIHU, XU YUELOU, CAO YONGFENG, QIN YU, PAN WEIHONG, HE BAOLING, FENG ZHANCHENG, FANG YUAN, FU YILUN, KONG LINGDA, LU YAN, LIANG XIAOBING, ZHAO YINGJIE, ZHANG GENG, MEI WENMING, SUN WEI, ZHAI FENG, REN BO, YUAN QUAN, ZHENG YINI, YUAN LIPENG, BAI YU, HAN WENBO, CHEN HAO, ZHAO BING, FAN TAO, CAI XIANG, LI BAOFENG, XU MENG
• Format: Patent
• Language: Chinese; English
• Published: 20.06.2023
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTEDFOR SPECIFIC APPLICATION FIELDS; PHYSICS; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The invention discloses a lightweight digital certificate issuing method and system suitable for an Internet of Things terminal. The method comprises the steps that the Internet of Things terminal sends a lightweight certificate application request to an Internet of Things cloud center; the Internet of Things cloud center performs cloud center signature on the light certificate application request response result and sends the light certificate application request response result to the Internet of Things terminal; the Internet of Things terminal performs identity authentication on the Internet of Things cloud center after receiving a response result of the light certificate application request signed by the cloud center; after the internet-of-things cloud center passes identity authentication, the internet-of-things terminal performs terminal signature on a light certificate application request response result and sends the light certificate application request response result to the internet-of-things cloud