System for checking the integrity of a communication between two circuits
US10114687B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 2015 |
| Grant date | Oct 30, 2018 |
| Priority date | — |
| Expiry date | Jan 26, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2201/83
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of verifying integrity of communications between a master circuit and a slave circuit includes updating a first cyclic multibit signature based on each transaction sent by the master circuit to the slave circuit. A second cyclic multibit signature is updated based on each transaction received by the slave circuit. One or more bits based on the second cyclic multibit signature are compared with corresponding bits based on the first cyclic multibit signature, with a number of the one or more bits being less than a total number of bits of the second cyclic signature. Error conditions are detected and responded based on the comparing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.