online-auth-agent

System keychain and cryptography manager — manages encryption keys and secure credential storage

Manages system-wide keychain operations, Secure Enclave key access, and cryptographic operations across macOS. Handles reading and writing of system keychain items, manages keychain access group memberships, and performs direct cryptographic operations. Communicates with iCloud for credential synchronization and submits analytics telemetry. Interfaces with 5 XPC services to provide credential and encryption services to other system processes and applications. Accesses hardware drivers directly for Secure Enclave operations and maintains a private storage area for sensitive data.AI