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Fujitsu Develops Blockchain-based Software for a Secure Data Exchange Network

(June 05, 2017)


Figure 1: Example of data interchanges using the new software
Figure 2: Data exchange built on blockchain
TOKYO, Jun 5, 2017 - (JCN Newswire) - Fujitsu today announced the development of software to create secure data exchange networks. With a proprietary data access control technology it has developed, Fujitsu aims to promote interchanges of data accumulated by various organizations and companies.

This software was developed by Fujitsu Laboratories Ltd. and based on Fujitsu Virtual Private Digital Exchange Technology that can apply blockchain to control access to distributed data. Fujitsu Virtual Private Digital Exchange Technology enables registrations of data attribute information and ID information based on where the data is stored. At the same time, it manages the access control policy in order to limit users who can obtain the data. Moreover, the system automatically handles data exchange between the provider and users based on the policy set in advance.

By using this software to build a data exchange network among multiple organizations and companies, participants can safely and rapidly share data.

Fujitsu aims to expand this software and commercialize it as part of the Fujitsu Network Virtuora(1) series during fiscal 2017.

This software will be demonstrated at Interop Tokyo 2017, to be held at Makuhari Messe (Chiba city, Chiba Prefecture) from June 7th to 9th.

Background

Recently with the spread of technologies such as IoT, a variety of information relating to people and things has been recorded and stored as data. Efforts to create new value through big data analysis and artificial intelligence (AI) have also become significant worldwide. In order to generate such value, large volumes of diverse data will be necessary and it will be important for organizations and individuals to share them. However, there are security and privacy concerns with typical data interchange which requires external data storage. In response to such challenge, Fujitsu developed a software for data exchange networks that allows individuals and organizations to share data while keeping them in their internal systems.

Features of the Newly Developed Software

The blockchain technology enables multiple computers connected to the network to share information such as transaction records. Blockchain has already been used to circulate virtual currencies, but the technology is increasingly being put to use in a variety of fields.

Fujitsu has now developed software using its Fujitsu Virtual Private Digital Exchange Technology, where blockchain is applied to control the access to a distributed data network. Features of this software are as follows.

1. Registrations of data attribute information and ID information based on where the data is stored

Data providers can record attribute information (for example, type and element of data) and ID information linked with data storage on the blockchain's distributed ledger, while the data remains where it is stored. That is, users can easily search for data according to the attribute information recorded in the distributed ledger. They can also obtain ID information for the data. Data providers do not need to allow users to download the data directly from where it is stored. Instead, they encrypt the data and send it to users who initially provide their ID information. This enables secure data sharing.

2. Access policy management for each dataset

When registering information on the blockchain, data providers can manage the access policy for each data set. This enables the providers to selectively disclose information to those who are granted access to the distributed ledger.

3. Automated processes from data request to transmission

This software features smart contracts(2) which enables efficient data exchange. Smart contracts will automatically execute a series of processes after the data has been requested, from access authorization to transmission of data.

This new software is based on the Hyperledger Fabric(3), a consortium-type blockchain, and was created by developing proprietary smart contracts executed on the blockchain.

http://www.acnnewswire.com/topimg/Low_FujitsuSoftware6517Fig1.jpg
Figure 1: Example of data interchanges using the new software

http://www.acnnewswire.com/topimg/Low_FujitsuSoftware6517Fig2.jpg
Figure 2: Data exchange built on blockchain

Future Plans

Fujitsu will expand this software with the goal of commercializing it as part of the Fujitsu Network Virtuora series during fiscal 2017. This will create data exchange networks where people can safely interchange their data across boundaries.

(1) Fujitsu Network Virtuora
A series of software products including software defined networking (SDN) and network functions virtualization (NFV). It provides an on-demand, optimized virtual network for services using wide-area network.
(2) Smart contract
A program that automatically executes a contract based on pre-defined conditions.
(3) Hyperledger Fabric
A blockchain technology being developed by the Hyperledger Project, a community promoting open source blockchain technology, established primarily by the Linux Foundation. Fujitsu participates in this community as a premier member.

About Fujitsu Ltd

Fujitsu is the leading Japanese information and communication technology (ICT) company, offering a full range of technology products, solutions, and services. Approximately 159,000 Fujitsu people support customers in more than 100 countries. We use our experience and the power of ICT to shape the future of society with our customers. Fujitsu Limited (TSE:6702; ADR:FJTSY) reported consolidated revenues of 4.7 trillion yen (US$41 billion) for the fiscal year ended March 31, 2016. For more information, please see http://www.fujitsu.com.

* Please see this press release, with images, at:
http://www.fujitsu.com/global/about/resources/news/press-releases/

Contact:
Fujitsu LimitedPublic and Investor RelationsTel: +81-3-3215-5259URL: www.fujitsu.com/global/news/contacts/

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