Written by Sylvain Pelissier and Antonio De La Piedra of the Kudelski Security Research Team The Babuk or Babyk ransomware was detected two years ago.
Multiple CVEs in threshold cryptography implementations
Introduction io.finnet hired us to perform a code audit of their threshold ECDSA signature implementation called tss-lib based on the paper UC Non-Interactive, Proactive, Threshold
Polynonce: A Tale of a Novel ECDSA Attack and Bitcoin Tears
Introduction In this blog post, we tell a tale of how we discovered a novel attack against ECDSA and how we applied it to datasets
Some AES CBC Encryption Myth-busting
Myth-busting us. /ˈmɪθˌbʌs.tɪŋ/ : the act of saying or showing that something generally thought to be true is not, in fact, true, or is different from
Introducing Shufflecake: plausible deniability for multiple hidden filesystems on Linux
Today we are excited to release Shufflecake, a tool aimed at helping people whose freedom of expression is threatened by repressive authorities or dangerous criminal
Introducing ABE Squared: A Framework for Comparing the Efficiency of ABE Schemes
Authors: Antonio de la Piedra (Kudelski Security Research Team), Marloes Venema (Radboud University Nijmegen), Greg Alpar (Radboud University Nijmegen and Open University of the Netherlands).