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
Category: Crypto
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
Audit report of IOHK’s ETC wallet
TL;DR: report download. IOHK is an engineering company that builds cryptocurrencies and blockchains for academic institutions, government entities, and corporations. Major projects of IOHK are
Blockchains: How to Steal Millions in 2^64 Operations
I’ve been reviewing the source code of a number of blockchain thingies, both for paid audits and for fun on my spare time, and I
Algorithms can’t be patched
Heartbleed was a disaster, but at least the software could be patched to eliminate the vulnerability. Most of the time, like with Heartbleed, vulnerabilities in crypto