Device and program for ciphering data
US8375074B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2007 |
| Grant date | Feb 12, 2013 |
| Priority date | — |
| Expiry date | Dec 2, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/84
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A terminal to be connected to a network has: a data acquisition unit for acquiring first data from the network; an extraction unit for extracting second data regarding a physical quantity in accordance with the first data; a random number generation unit for generating a random number in accordance with the second data; and an enciphering unit for enciphering the first data in accordance with the random number. The terminal has further a counter unit for counting the number of the first data, wherein the random number generation unit generates a random number in accordance with the second data or a value counted by the counter unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.