Publication update 6 March 2019.
Background and statement on ISO/IEC SC27 WG2 lightweight cryptography standard from 15 Aug 2018.
Original paper from June 2013 including algorithm descriptions and test vectors.
Presented at LightSec in September 2014.
Unpublished conference submission from Spring-Summer 2014.
Presented at the Design Automation Conference in June 2015.
Presented at the NIST Lightweight Cryptography Workshop in July 2015.
This document provides background and insight into NSA's intentions for the Simon & Speck lightweight block ciphers, and answers frequently asked questions about these designs.
This document was prepared by the designers of Simon and Speck in order to address questions regarding the design rationale and analysis of the algorithms.