High-Assurance Base64

Author: David Lazar Galois’ mission is improving the trustworthiness of critical systems. Trustworthiness is an inherent property of a system, but we need to produce evidence of its trustworthiness in order for people to make informed decisions. The evidence, and its presentation is a key part of what is often called an assurance case. The […]

Read More

SIMON and SPECK in Cryptol

Last week, the NSA published two families of lightweight block ciphers, SIMON and SPECK: http://eprint.iacr.org/2013/404 We’ve formally specified both ciphers in Cryptol: https://github.com/GaloisInc/cryptol/blob/master/examples/contrib/simon.cry https://github.com/GaloisInc/cryptol/blob/master/examples/contrib/speck.cry The following sections explore some applications of our specifications. Parameters SIMON and SPECK are cipher families: each algorithm in the family offers different security and performance based on parameters such as […]

Read More

Tech Talk: The Constrained-Monad Problem

Galois is pleased to host the following tech talk. These talks are open to the interested public–please join us! (There is no need to pre-register for the talk.) title:The Constrained-Monad Problem speaker: Neil Sculthorpe time: Tuesday, 25 June 2013, 10:30am location: Galois Inc. 421 SW 6th Ave. Suite 300, Portland, OR, USA (3rd floor of […]

Read More

Tech Talk: Non-interference and Binary Correctness of seL4

Galois is pleased to host the following tech talk. These talks are open to the interested public–please join us! (There is no need to pre-register for the talk.) Please note that this talk is on Friday, at 11am title:Non-interference and Binary Correctness of seL4 speaker:Gerwin Klein and Thomas Sewell, NICTA time: Friday, 14 June 2013, […]

Read More

Tech Talk: Hardware Security’s Hierarchy of Attacks

Galois is pleased to host the following tech talk. These talks are open to the interested public–please join us! (There is no need to pre-register for the talk.) title: Hardware Security’s Hierarchy of Attacks speaker: Joe FitzPatrick time: Tuesday, 30 April 2013, 10:30am. location: Galois Inc. 421 SW 6th Ave. Suite 300, Portland, OR, USA […]

Read More