This review contains full spoilers for Doctor Who Season 2, Episode 2, “Lux”. Following a disappointing season premiere, this week’s Doctor Who is a meticulously crafted descent into a retro ...

In this article, we propose a new 64-bit lightweight block cipher based on SPN named IVLBC, whose key allows 80 and 128 bits. The components of IVLBC are involutions. In particular, we propose a ...