Hardware, systems, devices, architecture and methods for a wagering game-specific platform features secure storage and verification of game code and/or other data. An external connection securely communicates with a computerized wagering gaming system. Some embodiments of the invention provide the ability to identify game program code as certified or approved. This is provided by use of various electronic devices and elements for encryption, including at least a device that is internally embedded in the gaming device that access digital signatures, encrypted files, encrypted compiled files and hash functions as well as other encryption methods. Such functions are able to be effected, and security and validation is advantageously applied to data loaded into storage media even while the gaming machine is in operation.