Tag: liveoverflow

How Speedrunners Use Game Hacking Tools

In this video I want to tell you about the time splitter tools speedrunners are usingto track their time and how this relates to game hacking.But before, let’s play some more Pwn Adventure 3, because we need to learn about somethingfirst.In a previous video we were able to use the tool Cheat Engine to find

Breaking ECDSA (Elliptic Curve Cryptography) – rhme2 Secure Filesystem v1.92r1 (crypto 150)

The first challenge I did from this competition was the secure filesystem, which we exploitedwith a hash length extension attack. And then we also solved this other crypto challenge“key server”, which was about breaking RSA signatures. So let’s continue the pathand do the last crypto challenge, I wonder what we will have to break this

Hardware Wallet Hack: Ledger Nano S – f00dbabe

The Ledger Nano S is a Cryptocurrency hardware wallet based on a secure element for storingcryptocurrencies, embedding a screen to check and secure digital payments.And also they have these information sheets where they proudly write: “Did you notice?There is no anti-tampering sticker on this box.A cryptographic mechanism checks the integrity of your Ledger device’s internal

Threat Models – Hardware Wallet Research #1

Okay sorry sorry, I know you wanna see more technical stuff, but I think it’s importantto hear a bit more about why you would even use a cryptocurrency hardware wallet and whatyou protect against.What’s your threat model.These devices promise that they are more secure than an alternative but threats are multifacetedand I want to explore