Monero is a decentralized, open-source cryptocurrency that provides strong privacy protections thanks to state-of-the-art cryptographic components. Monero is deploying a new version of its protocol,
Category: Crypto
Kudelski Security Black Hat Crypto Challenge 2018
Welcome to the 2018 Kudelski Security Black Hat Crypto Challenge. Test your skills and win some hardware wallets along with some cryptocurrency. Building on the
2017 Black Hat challenge source
Last year before Black Hat we organized a crypto challenge and gave out 10 ETH to the winners. The goal of the challenge was to
Breaking RSA OAEP with Manger’s attack
The RSA cryptosystem has had its fair share of attacks over the years, but among the most impressive, you can find the infamous Bleichenbacher attack
Wire applications audit (with X41 D-Sec)
Last year Kudelski Security’s JP Aumasson and X41 D-Sec‘s Markus Vervier were hired to audit Wire‘s cryptography core, the Proteus library. After this audit of the crypto, Wire wanted a
Blockchain: where to start
People often contact me to ask about “the blockchain”—where the definite article ‘the‘ tells a lot about their experience with c̶r̶y̶p̶t̶o̶ blockchains. My answer will
