What Is Entropy In Cryptography?
Sep 28, 2020 by Lane Wagner
If you’re familiar with the laws of thermodynamics , you may recognize the second law as the one that deals with entropy.
Elliptic Curve Cryptography: A Basic Introduction
Sep 17, 2020 by Lane Wagner
Elliptic Curve Cryptography (ECC) is a modern public-key encryption technique famous for being smaller, faster, and more efficient than incumbents.
Is AES-256 Quantum Resistant?
Sep 10, 2020 by Lane Wagner
With quantum computers getting more powerful each year, many worry about the safety of modern encryption standards.
Bcrypt Step by Step
Aug 24, 2020 by Lane Wagner
Bcrypt is a key derivation function , which can be thought of as a special kind of hash function .
(Very) Basic Intro to Lattices in Cryptography
Aug 21, 2020 by Lane Wagner
Lattice-based cryptography, an important contender in the race for quantum-safe encryption, describes constructions of cryptographic primitives that involve mathematical lattices.
Shamir’s Secret Sharing Step-By-Step
Aug 18, 2020 by Lane Wagner
Adi Shamir’s Secret Sharing is a cryptographic algorithm that allows distinct parties to jointly share ownership of a single secret by holding shares.
“Practical Cryptography” Course Released
Aug 14, 2020 by Lane Wagner
We just launched our new Practical Cryptography course, a code-in-the-browser tutorial where students build cryptographic functions in the Go programming language.
They Who Control Encryption
Aug 12, 2020 by Lane Wagner
If you’ve seen The Imitation Game or studied computer science in school, you have likely heard of Enigma , Alan Turing , or some of the other advances in cryptography that took place during the Second World War.
HMAC and MACs - The Inner Workings of JWTs
Aug 05, 2020 by Lane Wagner
HMACs and MACs are authentication codes and are often the backbone of JWT authentication systems. A Message Authentication Code (MAC) is a string of bits that depends on a secret key and is sent with a message to prove the message wasn’t tampered with.
(Very) Basic Intro to PGP (GPG)
Jul 27, 2020 by Lane Wagner
PGP , or its open-source alternative, GPG , is a program used to encrypt data such that only an authorized party can decrypt it.