systemkeychain

Code signing utility — manages digital signatures and certificate validation

Creates, validates, and manages code signatures on macOS binaries and bundles. Accesses the Keychain to retrieve signing certificates and keys needed for signature operations. Verifies code signature integrity, checks certificate validity, and validates signatures against trusted anchors. Communicates with Apple's code signing infrastructure endpoints for certificate validation and revocation checking. Stores operational data in a private storage area and reports telemetry on signing operations.AI