# Tag Archives: siphash

## Chaskey-LTS Block Cipher

Introduction The Chaskey cipher is a 128-bit block, 128-bit key symmetric encryption algorithm which is the underlying function used for the Chaskey Message Authentication Code (MAC). It’s based on an Even-Mansour construction which makes it very simple to implement and … Continue reading

## Chaskey Message Authentication Code

Introduction Chaskey is a lightweight MAC algorithm optimised for 32-bit micro-controllers designed by Nicky Mouha, Bart Mennink, Anthony Van Herrewege, Dai Watanabe, Bart Preneel and Ingrid Verbauwhede. It is based on a 128-bit block cipher, the Chaskey cipher, which uses … Continue reading

## Half SipHash

Introduction SipHash: a fast short-input Pseudo-Random-Function(PRF) was designed and published in 2012 by Jean-Philippe Aumasson and Daniel J. Bernstein. Last month, MR. Aumasson posted to the kernel-hardening mail list a link to a “Half SipHash” implementation which is intended to … Continue reading