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 ...

Encrypted key exchange is a protocol, or set of rules, that allows two parties sharing a common password to communicate over an insecure network without exposing that password. The protocol was ...

You probably use encryption, in one form or another, every day. You might not know that you are, but you are. And my guess is that you don’t give it a second thought. Do you have a subscription based ...

It’s a concern for Europeans as it is for people elsewhere in the world: there have been suggestions among governments to either outlaw, curtail, or backdoor strong end-to-end encryption. There are ...

You're about to wind up your day and use your smartphone to check what's in your smart fridge to decide if you need to pass by the store or request delivery before you get home. You quickly pay for ...