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research-article

Secure Collaboration in Engineering Systems Design

[+] Author and Article Information
Shumiao Wang

Google Inc.
shumiao.wang@gmail.com

Siddharth Bhandari

Tata Institute of Fundamental Research
siddharthbhandari.engg@gmail.com

Siva Chaitanya Chaduvula

School of Mechanical Engineering Purdue University
schaduvu@purdue.edu

Mikhail Atallah

Department of Computer Science Purdue University
matallah@purdue.edu

Jitesh H. Panchal

School of Mechanical Engineering Purdue University
panchal@purdue.edu

Karthik Ramani

School of Mechanical Engineering Purdue University
ramani@purdue.edu

1Corresponding author.

ASME doi:10.1115/1.4036615 History: Received September 21, 2016; Revised April 20, 2017

Abstract

The goal in this paper is to enable collaboration in the co-design of engineering artifacts when participants are reluctant to share their design-related confidential and proprietary information with other co-designers, even though such information is needed to analyze and validate the overall design. We demonstrate the viability of co-design by multiple entities who view the parameters of their contributions to the joint design to be confidential. In addition to satisfying this confidentiality requirement, an online co-design process must result in a design that is of the same quality as if full sharing of information had taken place between the co-designers. We present online co-design protocols that satisfy both requirements, and demonstrate their practicality using a simple example of co-design of an automotive suspension system and the tires. Our protocols do not use any cryptographic primitives -- they only use the kinds of mathematical operations that are currently used in single-designer situations. The participants in the online design protocols include the co-designers, and a cloud server that facilitates the process while learning nothing about the participants' confidential information or about the characteristics of the co-designed system. The only assumption made about this cloud server is that it does not collude with some participants against other participants.

Copyright (c) 2017 by ASME
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