ptpcamerad

Code signing and certificate validation — verifies binary integrity and trusted code execution

Validates code signatures and manages certificate chains for macOS binaries and applications. Accesses the Keychain to retrieve and verify certificate information, establishing trust for signed code execution. Communicates with network endpoints for certificate validation and revocation checking. Exposes functionality through an XPC service for system processes and security frameworks to request code signing verification. Handles direct hardware access for cryptographic operations and maintains certificate state across multiple bundle identifiers.AI