SMA Solar Technology has filed a patent for a method to log users into power generation plant devices using a service gateway. The process involves authenticating the user, comparing device secrets via an SRP protocol, and establishing a session key for user access. GlobalData’s report on SMA Solar Technology gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on SMA Solar Technology, Smart energy mgmt systems was a key innovation area identified from patents. SMA Solar Technology's grant share as of January 2024 was 49%. Grant share is based on the ratio of number of grants to total number of patents.
User authentication method for power generation plant device
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A recently filed patent (Publication Number: US20240039915A1) outlines a method for logging a user into a device for a power generation plant using a service gateway. The process involves authenticating the user on the service gateway, sending a device access request, comparing device secrets, and agreeing on a session key via an SRP protocol. Once the comparison is successful, the user can log into the device using the access device. Additional steps include transmitting the session key to the user's access device, allowing access to the device, and generating and storing device secrets during manufacture or software updates.
Furthermore, the patent describes the authentication process, which includes two-factor authentication and monitoring access requests within a given time period. The data connections between the access device, service gateway, and device are established using encrypted TLS connections for security. After successful login, the user can access historical data, read parameters, and modify power generation parameters based on historical data or received data from the device. The patent also includes a claim for a power generation plant comprising a device with a stored copy of a device secret, enabling user login via the SRP protocol upon successful comparison with a remotely stored copy of the device secret.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
