Introduction to ciphers and substitution. Alice and Bob and Carl and Julius: terminology and Caesar Cipher ; The key to the matter: generalizing the Caesar Cipher ; Multiplicative ciphers ; Affine ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

CAESAR is Northwestern’s system of record for student data. Students, faculty, advisers, parents, guardians, and staff use CAESAR to manage classes and grades, pay bills, view financial aid, process ...

The Caesar Act was imposed in 2019 in response to widespread and systematic violations of human rights by the regime of former dictator Bashar al-Assad. By Abdi Latif Dahir and Reham Mourshed ...

We don’t know exactly what he said, but in 1971, Ray Tomlinson used Arpanet to send the first email ever. You can bet he was only thinking about getting the message to its destination, not about ...