Distributed photovoltaic grid-connected lightweight access method and system based on certificateless encryption

• Main Authors: XU MAOJING, WANG YE, YANG QINGKUN, GUO ZHIMIN, LYU ZHUO, WANG QIAN, CHEN FENG, LI NUANNUAN, SUN JINLIANG, TIAN YANGYANG, WANG WENTING, LIAN YONGBIN, DENG JIN, DI LI, HOU SHENGKUN, SHI XIAOLONG, ZHANG WEI, CHEN CEN
• Format: Patent
• Language: Chinese; English
• Published: 30.05.2023
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION; WIRELESS COMMUNICATIONS NETWORKS

The invention discloses a distributed photovoltaic grid-connected lightweight access method and system based on certificateless encryption, and the method comprises the steps: building communication connection between a handheld terminal and a fusion terminal, and completing bidirectional identity authentication through a built-in key of an encryption chip; the handheld terminal distributes a certificateless key based on a national secret algorithm to the fusion terminal; the handheld terminal establishes communication connection with the distributed photovoltaic data acquisition unit and completes certificateless key distribution of the distributed photovoltaic data acquisition unit based on a cryptographic algorithm; identity authentication and data encryption transmission of the photovoltaic data collector and the fusion terminal are carried out, and distributed photovoltaic grid-connected lightweight access is realized. According to the invention, secure access of massive distributed photovoltaic terminal