Management server, management method, management system for downloading of contents, and mobile devices
US8433911B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 21, 2010 |
| Grant date | Apr 30, 2013 |
| Priority date | — |
| Expiry date | Jul 16, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/12
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A receiver is configured to receive, from a mobile device of a first type adapted to read a content from a recording medium and run the content, a first device identifier identifying the mobile device of the first type and a recording medium identifier identifying a recording medium loaded in the mobile device of the first type, along with a digital signature generated in the mobile device of the first type using an encryption key secretly stored in the mobile device of the first type. A signature verification unit is configured to verify the authenticity of the digital signature. A voucher issuance unit is configured to issue a voucher to a mobile device of a second type adapted to acquire a content by downloading the content and to run the content accordingly and mapped into the mobile device of the first type, so that the mobile device of the second type is capable of downloading a content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.