Information processing apparatus, program execution system, information processing method and program
US12335409B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Jan 27, 2021 |
| Grant date | Jun 17, 2025 |
| Priority date | — |
| Expiry date | Aug 14, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/0825
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An information processing apparatus includes a secure area configured to execute a program in secret, and a security chip. The secure area conceals information related to the program, and requests the security chip to provide a blind signature with respect to the concealed information obtained by the concealing. The security chip calculates the blind signature and returns the blind signature to the secure area. The secure area acquires a signature with respect to the information related to the program from the blind signature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.