Method and apparatus of identifying and enabling of functions of a trusted platform module device
US7788483B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 9, 2005 |
| Grant date | Aug 31, 2010 |
| Priority date | — |
| Expiry date | Apr 27, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/56
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method is disclosed for a certifying authority (CA) to establish a secure status and authenticity in an integrated circuit (IC). Cryptographic logic and certification logic are incorporated in the IC by an IC manufacturer. The cryptographic logic is operable to generate a cryptographic key intended to be communicated external to the IC. The certification logic includes a certification key intended for use in establishing a secure certification arrangement. The certification key is communicated securely to the CA and a secure certification arrangement is established between the CA and the IC using the certification key. During the secure certification arrangement, the cryptographic key is accessed by the CA to certify the cryptographic key associated with the IC and in response thereto the certification key is deleted and the secured certification arrangement is terminated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.