Everything PKI Oct. 14, 2019, 5:10 p.m.

PKI is really powerful, and really interesting. The math is complicated, and the standards are stupidly baroque, but the core concepts are actually quite simple. Certificates are the best way to identify code and devices, and identity is super useful for security, monitoring, metrics, and a million other things. Using certificates is not that hard. No harder than learning a new language or database. It’s just slightly annoying and poorly documented. This is the missing manual.

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Elliptic Curve Cryptography Explained Oct. 9, 2019, 8:49 a.m.

Recently, I am learning how Elliptic Curve Cryptography works. I searched around the internet, found so many articles and videos explaining it. Most of them are covering only a portion of it, some of them skip many critical steps how you get from here to there. In the end, I didn’t find an article that really explains it from end-to-end in an intuitive way. With that in mind, I would like to write a post explaining Elliptic Curve Cryptography, cover from the basics to key exchange, encryption, and decryption.

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Password Recovery Speeds May 6, 2009, 3:55 p.m.

Interesting table of password strength, and approximate time to crack using brute force.

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