Hash collisions are a fact of life, but one that can have serious consequences when attackers can control the values being hashed. We looked at this problem, which can allow denial-of-service attacks, ...

Anyone with an interest in bitcoin will have heard the phrase 'cryptographic hash function' at some time or other. But what exactly does it mean, and how is it connected to cryptocurrency? Hash ...

Students are asked to implement the barcode check sum algorithm using pseudocode. I have provided some possible solutions in AQA pseudocode some of which I have implemented using Martin Hart’s AQA ...