Patent Number: 8,719,566

Title: Application executing device, managing method, and program

Abstract: A playback device reads an application and a digital stream from a recording medium to execute the application with playback of the digital stream. The playback device includes a management unit operable to verify authenticity of the application by judging whether a disc root certificate is identical to a first root certificate, and an execution unit operable to execute the application if authenticity of the application is verified by the management unit. The playback device also includes a storage unit having a storage area that is specified by a file path that uses the provider ID and a hash value of a second root certificate, and a playback unit operable to play back the digital stream in accordance with the playlist information.

Inventors: Leichsenring; Germano (Osaka, JP), Kanamaru; Tomokazu (Osaka, JP)

Assignee: Panasonic Corporation

International Classification: G06F 21/00 (20130101)

Expiration Date: 5/06/12018