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How Does Peggy Prove To Victor The Banker That Her Salary is between $30K and $100K Without Revealing It?

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There are many things in life ask if we have something that is in a certain range, such as for our age, our salary or even our weight. But when we answer the question we often have to give away the actual value. So how can we take our value, and show someone that the range is in a certain range? Well for this we…

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Prof Bill Buchanan OBE FRSE
ASecuritySite: When Bob Met Alice

Professor of Cryptography. Serial innovator. Believer in fairness, justice & freedom. Based in Edinburgh. Old World Breaker. New World Creator. Building trust.