Method and a system for a secure execution of workflow tasks of a workflow in a decentralized workflow system
US8291232B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 12, 2010 |
| Grant date | Oct 16, 2012 |
| Priority date | — |
| Expiry date | Dec 24, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/42
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Secure execution of workflow tasks are executed according to a given execution pattern in a decentralized workflow system with a central workflow engine and multiple task execution agents. The method starts at an i'th execution agent which is selected by at least one preceding execution agent in accord with the execution pattern to perform an i'th task of the workflow. The method includes receiving, from the at least one preceding execution agent via a secure channel, a task-based private key generated by the at least one preceding execution agent, signing workflow information of the workflow for at least one subsequent execution agent with a workflow signature, selecting at least one appropriate subsequent execution agent, computing a task-based private key for the at least one subsequent execution agent, and forwarding to the at least one subsequent execution agent the workflow information with its associated workflow signature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.