startupdiskhelper

System firmware interface — manages NVRAM variables and hardware encryption keys

Communicates directly with hardware and firmware to read and write system NVRAM variables, which store boot settings, device identifiers, and configuration parameters. Accesses the device keychain to retrieve encryption keys for cryptographic operations. Establishes network connections to multiple endpoints, likely for firmware updates or telemetry. Uses both public and private Apple frameworks to interface with low-level system components and manage persistent storage outside the normal filesystem.AI