#cryptography

Sharekey Cryptography Review

During my master thesis I reviewed the cryptography of the end-to-end encrypted Sharekey collaboration app. This post covers the most interesting issues I found.

Pascal Schärli · EN

Hash Identifier Tools – Command-Line Password Hash Identification

hashID and Name-That-Hash tested against current password formats. Both miss bcrypt's $2b$ prefix; only Name-That-Hash recognises Argon2id.

Darknet – Hacking Tools, Hacker News & Cyber Security · EN

4 real? Tracking exploitation and patching of eMudhra’s weak keys

Four, just four: that’s the key to break into any unpatched connection on the Internet that is using eMudhra certificates. Here’s how we quickly patched Cloudflare, what evidence we can see of attempted exploitation, and how much of the rest of the Internet remains exposed.

Cloudflare Blog · EN