Stream ciphering of the content of a memory external to a processor
US8045712B2 · kind B2 · utility
2Cited by
7References
20Claims
0Family size
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Key dates
| Filing date | Jul 6, 2005 |
| Grant date | Oct 25, 2011 |
| Priority date | — |
| Expiry date | Jun 30, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and an element of ciphering by an integrated processor of data to be stored in a memory, including applying a ciphering algorithm which is a function of a key specific to the integrated circuit and of an initialization vector, and of memorizing at least the ciphered data, the initialization vector depending at least on the address of storage of the data in the memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.