How the Bitcoin protocol actually works – DDI
Many thousands of articles have been written purporting to explain Bitcoin, the online, peer-to-peer currency. Most of those articles give a hand-wavy account of the underlying cryptographic protocol, omitting many details. Even those articles which delve deeper often gloss over crucial points. My aim in this post is to explain the major ideas behind the Bitcoin protocol in a clear, easily compreh
Analyzing the MD5 collision in Flame
One of the more interesting aspects of the Flame malware was the MD5 collision attack that was used to infect new machines through Windows Update. MD5 collisions are not new, but this is the first attack discovered in the wild and deserves a more in-depth look. Trail of Bits is uniquely qualified to perform this analysis, because our co-founder Alex Sotirov was one of the members in the academic c
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Quick & dirty PoC for Android bug 8219321 discovered by BlueboxSec
