Key exporting method for non key system entry and start of automobile
A technology for keyless entry and start system, which is applied in the field of keyless entry and start system key derivation of automobiles, can solve problems such as hidden dangers of PEPS system security, and achieve the effect of improving management security.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0024] (1) Key agreement process:
[0025] ① The vehicle-mounted terminal uses the counter function of the single-chip microcomputer to generate x. After a single operation is completed, the counter of the single-chip microcomputer keeps counting, and stops when the outside world operates it again or sends data;
[0026] ②The vehicle terminal sends two large random numbers signed with the vehicle terminal private key (pk_S) to the key terminal with At the same time, a time stamp (Time) is added to the signature of the message to avoid replay attacks;
[0027] ③After receiving the information, the key terminal uses the vehicle-mounted public key to verify the legitimacy of the information. If it is legal, proceed to step ④, otherwise, the identity authentication is not passed and repeat step ②;
[0028] ④The key end generates two large random numbers with The method of generating y is the same as that of x, and then generating a 64-bit temporary key (Tempkey) equal to modp, 32-bit ...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap