Apple computers running OS X 10.5 not greater enable users to acquire a Code Signing SSL to authenticate software and applications that are downloaded or run online. The certificate guarantees the user that the program comes from a trusted source. While certificates do not run on system-specific platforms, each platform has its own way of handling the authentication process.
Code signing certificate for Apple allow customers to run Mac executables error free. Help generate assurance in those running your Mac OS X application, tools, updates, resources and software.
Use of code signing certificate establishes a bond of trust between the end user and the software developer, vendor or organization distributing the software. It provides the end user with a sense of security that encourages repeat business with a trusted software source.