Photo by Markus Spiske on Unsplash

SignCryption

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Normally when we digitally sign something, we have to create a hash of the data, and then use the public key of the receipitant to encrypt it. So can we sign something at the same time as we encrypt it? Well, we can, and one of the first papers to define this was created by Yuliang Zheng [here]:

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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.