Memory device, host device, and memory system
US9053347B2 · kind B2 · utility
0Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2011 |
| Grant date | Jun 9, 2015 |
| Priority date | — |
| Expiry date | May 1, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3271
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A memory device includes: a storage unit that stores public key information of a certificate authority for verifying a certificate and includes a secret area storing data of which secrecy is assured; and a control unit that controls access to the storage unit depending on reception information, wherein the reception information includes information where access control information is added to certificate information authenticated by the certificate authority, and the control unit verifies the certificate using the public key, identifies the access control information, and limits the accessible secret area in the storage unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.