System access using a mobile device

US11128478B2 · kind B2 · utility

Assignee

• Apple Inc. · US

Inventors

• Florian Galdo · Cupertino, US
• Arun G. Mathias · Los Altos, US
• Matthias Lerch · San Francisco, US
• Najeeb M. Abdulrahiman · Fremont, US
• Onur Tackin · Sunnyvale, US
• Yannick L. Sierra · San Francisco, US

Key dates

• Filing date: Mar 1, 2018
• Grant date: Sep 21, 2021
• Expiry date: May 25, 2038

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04L2209/80
• WIPO field: Digital communication
• WIPO sector: Electrical engineering

Abstract

Techniques are disclosed relating to electronic security, e.g., for authenticating a mobile electronic device to allow access to system functionality (e.g., physical access to the system, starting an engine/motor, etc.). In some embodiments, a system and mobile device exchange public keys of public key pairs during a pairing process. In some embodiments, an asymmetric transaction process includes generating a shared secret using a key derivation function over a key established using a secure key exchange (e.g., elliptic curve Diffie-Hellman), and verifying a signature of the system before transmitting any information identifying the mobile device. In various embodiments, disclosed techniques may increase transaction security and privacy of identifying information.