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How to program a better tomorrow: Harnessing disruptive technologies
Innovation Issue 38: Summer 2023

Building a software bridge for our quantum future

360 Degrees

Building a software bridge for our quantum future

A computer rendering of the inside of a theoretical quantum computer.

The encryption codes that can protect computer data and software from quantum computing-based cybersecurity threats already exist, says computer science professor Andriy Miranskyy. However, integrating these quantum-safe encryption codes with the code running on 鈥渃lassical鈥 computers, such as your current laptop, desktop or smartphone, requires the careful building of a software bridge. 

That鈥檚 the challenge being undertaken by professor Miranskyy along with post-doctoral fellow Lei Zhang and a team from IBM, led by IBM鈥檚 Chief Technology Officer for Data Security and 成人大片 adjunct professor Walid Rjaibi. Together, they successfully developed a methodology of integrating quantum-safe encryption into classical computing software. They validated this methodology by integrating a prototype of the encryption software into IBM鈥檚 Db2 database management system, increasing cybersecurity.

Ensuring quantum safety as part of present-day cybersecurity infrastructure is a necessary step to protect data in the future, says professor Miranskyy. While quantum computers are not presently advanced enough to be a useful tool for breaking commonly used encryption schemes for classical computer data, those days are coming. There is a possibility that bad actors could harvest encrypted information today and decrypt it later, once quantum computers are up to the task. 鈥淭he sooner you replace your encryption scheme, the sooner you will be able to counter it,鈥 said professor Miranskyy. 鈥淭here are certain things that have to stay encrypted for many, many decades,鈥 he added, such as confidential government files or personal information. Upgrading to quantum-safe encryption now will help protect this information. 

Professor Miranskyy likens the software development process for the prototype to trying to retrofit an old car engine with modified parts that have slightly different ports and shapes from the originals. 鈥淚t鈥檚 not plug-and-play,鈥 he said. To create this software-based bridge, the team from 成人大片 had to first design it, which professor Miranskyy called 鈥渦pdating the blueprints,鈥 and then manually complete the coding. The results will help prepare for a quantum computing future.

There are certain things that have to stay encrypted for many, many decades. 

Learn more about this 成人大片-IBM project. Other team members included Greg Stager, security architect for Db2, Michael Gray, architect for GSKit, and John Peck, architect for Java security, all from IBM.  

 and how it is similar to the software upgrades that were needed to avoid the Y2K bug leading up to the year 2000. Find out about the experience of making Db2 quantum-safe in .

This project was supported by the IBM Centre for Advanced Studies (Project #1121).