Encrypting keypad module
US7298850B2 · kind B2 · utility
8Cited by
22References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 23, 2001 |
| Grant date | Nov 20, 2007 |
| Priority date | — |
| Expiry date | Jan 16, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F19/205
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An encrypting keypad module (30) comprising a keypad (40) and an encryption unit (42) is described. The encryption unit (42) includes an interpreter (56) for receiving a file (150) containing data and instructions for processing the data. The encryption unit (42) is operable to process the data in the file (150) by interpreting the instructions in the file (150). This enables a file (150) to be used to instruct the encryption unit (42) about the data that is to be operated on and the type of operations to be performed on the data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.