SHA1 and MD4 Length Extension Attacks Explained

Landon | Jul 13, 2021

Continuing my series on the cryptopals challenges… In section four, two of the challenges require you to get past a checksum test by spoofing a hash associated with a forged message. The idea is that if you can manage to pass a query string to an application (say a web application) that has been toyed […]

I’m doing cryptopals

Landon | May 21, 2021

Cryptography fascinates me. It’s amazing how critical cryptography is to the internet and the digital economy. Even more amazing to me is how simple it is to crack if it’s insecure. I don’t have a computer science degree; I took some courses on algorithmic design in college, but felt so totally lost and overwhelmed that […]