Nathan Eddy works as an independent filmmaker and journalist based in Berlin, specializing in architecture, business technology and healthcare IT. He is a graduate of Northwestern University’s Medill ...

A person's handwritten signature is relatively unique, so when someone signs a paper document, the signature verifies the signer. But how do you sign an electronic document? This is where a digital ...

I'm interested in learning about public-key cryptography algorithms. What is the newest one, and which is the most commonly used today? Cryptography is a fascinating subject and is of great importance ...

Public-key encryption is essential for secure communications, eliminating the need for pre-shared keys. In the information age, our digital lives, from online payments to private communications, ...

Vitalik Buterin warns AI math advances could weaken lattice schemes like ML-DSA and Falcon, and suggests 10x larger key sizes as a hedge.

A private key is a secret 256-bit number that proves you control a specific piece of cryptocurrency and authorizes you to spend it. Your wallet uses that number to produce a digital signature on every ...

Every time you send a text, pay for groceries with your phone, or use your health site, you are relying on encryption. It’s an invisible shield that protects your data from prying eyes. Encryption is ...

This is an explanation of the Cryptography problem "Not TRUe" from CyLab Security Academy (formerly picoCTF). The difficulty is second from the bottom, with 400 points. Only two files are provided: ...