In the context of cryptography, a public key is an alphanumeric string that serves as an essential component of asymmetric encryption algorithms. It is typically derived from a private key, which must ...

This course covers the basic knowledge in understanding and using cryptography. The main focus is on definitions, theoretical foundations, and rigorous proofs of security, with some programming ...

Encryption has become a routine part of everyday life. Your iPhone uses it to defeat cybercriminals and snoopers. Security cameras may use it to keep footage private. And your VPN definitely uses it, ...

For the last five years, the FIDO Alliance -- led by Apple, Microsoft, and Google (with other companies in tow) -- has been blazing a trail toward a future where passwords are no longer necessary in ...

For thousands of years, if you wanted to send a secret message, there was basically one way to do it. You’d scramble the message using a special rule, known only to you and your intended audience.

The original version of this story appeared in Quanta Magazine. For thousands of years, if you wanted to send a secret message, there was basically one way to do it. You’d scramble the message using a ...

The security system that underlies the internet makes use of a curious fact: You can broadcast part of your encryption to make your information much more secure. When you purchase through links on our ...