Mobile communication terminal, information processing method, data processing program, and recording medium
US7681030B2 · kind B2 · utility
1Cited by
15References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2003 |
| Grant date | Mar 16, 2010 |
| Priority date | — |
| Expiry date | Jun 18, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/02
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A transmitter cell phone 10 is provided with a controller 11 for fulfilling functions of a data encryptor, a first key encryptor, and an encryption file generator. The data encryptor encrypts data, using a first encryption key. The first key encryptor encrypts the first encryption key, using a second encryption key. The encryption file generator generates an encryption file of the data from the data encrypted by the data encryptor, the first encryption key encrypted by the first key encryptor, and user-specific information permitting identification of a user of the mobile communication terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.