The "RSA Paper" was published on this day in 1978; Rivest, Shamir, and Adleman described the first practical public-key cryptosystem and it is still in wide use today https://dl.acm.org/doi/10.1145/359340.359342 https://people.csail.mit.edu/rivest/pubs.html #math #history #paper #cryptography #OnThisDay