Disclaimer : Since this vulnerability has been made public, here is a small blog post explaining the methodology we used to find and exploit the
Category: Device security
Decoding Lecroy oscilloscope traces with sigrok
Sigrok is an open source signal analysis software suite which is very helpful for the analysis of hardware protocols. The two main tools provided by
Forget Homomorphic Encryption, Here Comes Functional Encryption
Have you ever heard of Functional Encryption (FE)? If so, you may be associating it with some sort of homomorphic encryption, which is not wrong,
Physically Unclonable Functions in Practice
Introduction Physically Unclonable Functions (PUFs) are, according to wikipedia a physically-defined “digital fingerprint” that serves as a unique identity for a semiconductor device such as
Audit of Tangem’s smartcard wallet code
Tangem provides “smart banknotes for digital assets”, as smart card storage media for Bitcoin private keys with basic wallet functionality. Tangem hired Kudelski Security to perform
ZigBee Security: Basics (Part 2)
Introduction ZigBee is considered to be a secure communication protocol. Its security architecture complements the security services provided by IEEE 802.15.4 standard. Security services provided
Kudelski Security Research 