Programming framework for closed systems

G - Physics – 06 – F

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G06F 15/16 (2006.01)

Patent

CA 2684887

Mechanisms are disclosed that allow for execution of unsigned content and the securing of resources in a closed system when such unsigned content is executing on the system. For example, an application programming interface is used between an access layer implementing unsigned content and an operating system of the closed system. The application programming interface may have sub-interfaces that correspond to sub-layers of the access layer, including a graphics sub-interface, an audio sub-interface, an input sub-interface, and a storage sub-interface. These sub-interfaces present access calls made by the sub-layers to the protected resources of the closed system. By providing the application programming interface, unsigned content, e.g., video games can run on a closed system that is typically designed to run only signed content.

La présente invention concerne des mécanismes permettant l'exécution de contenu non-signé et la sécurisation de ressources dans un système fermé lorsque le contenu non-signé s'exécute sur le système. Ainsi, par exemple, une interface de programmation d'application sert entre une couche d'accès implémentant un contenu non-signé et un système d'exploitation du système fermé. L'interface de programmation d'application peut disposer de sous-interfaces correspondant à des sous-couches de la couche d'accès, comprenant une sous-interface graphique, une sous-interface audio, une sous-interface d'entrée et une sous-interface de stockage. Ces sous-interfaces présentent des appels d'accès réalisés par les sous-couches sur les ressources protégées du système fermé. En fournissant l'interface de programmation d'application, le contenu non-signé, comme des jeux vidéo, peut être exécuté sur un système fermé généralement conçu pour n'exécuter que du contenu signé.

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