Public key infrastructure-based first inserted subscriber identity module subsidy lock
US8880894B2 · kind B2 · utility
0Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2009 |
| Grant date | Nov 4, 2014 |
| Priority date | — |
| Expiry date | Aug 31, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/80
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method, telecommunication apparatus, and electronic device for securely creating an identity data block are disclosed. A secure memory 208 may store a unique private key 326 associated with a unique public key 328. A processor 204 may generate the identity data block 332 in the secure memory 208 using the unique private key 326. The processor 204 may erase the unique private key 326 from the secure memory 208.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.