ASecuritySite: When Bob Met Alice

This publication brings together interesting articles related to cyber security.

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Prof Bill Buchanan OBE

Prof at Napier. Serial innovator. Crypto Punk. Believer in fairness, justice & freedom. EU Citizen. Auld Reekie native. Old World Breaker. New World Creator.

Latest Posts

There’s No Money To Be Made in Security …

I am going to keep this simple. I remember bidding for funding for our spin-outs, and being told… “There’s no money to be made in security…

Alice Does a Secure Lucky Dip

And so Bob sets up a Lucky Dip competiton, and Alice wants to play, but doesn’t trust anyone to pick for her. How can she do it? Well, one…

How Does Bob The Taxgather Find Out Total Profits, Without Revealing Any of Them?

The tax authority (Bob) wants to determine the total profit made by all the companies in its region (AliceCo, CharleyCo, DaveInc, EveCom…

So What’s The Difference Between Interactive ZKP and Non-interactive ZKP?

A demo on interactive ZKP is here, and non-interactive ZKP is here.

Why Do We Still Give Away Our Secrets?

Building a Zero-Knowledge Proof World With Elliptic Curves and Golang

The Most Amazing Machine on the Planet Isn’t a Machine

In data, we must find a bridge between our world and there’s

Summarizing The Internet

We often take network routing for granted, but in an instance, it could bring down the whole of the Internet. Along with IP, TCP, Ethernet…

Hello To Ardama

You might not have noticed, but in mid-June, there was a new name on the cybersecurity landscape in Scotland … Ardama Security. But it was…

At the Core of Cybersecurity are: Risks, Costs, Benefits and Threat Models

As humans we are driven by risks and threats, and where we are continually weighing-up costs and benefits. A threat is the actual thing…

The Wizardry of Elliptic Curve Cryptography

The flexibility of Elliptic Curve Cryptography (ECC) just seems endless. In places, it almost feels like wizardry. So let’s look at the…


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