Hey! I'm David, a security engineer at the Blockchain team of Facebook, previously a security consultant for the Cryptography Services of NCC Group. This is my blog about cryptography and security and other related topics that I find interesting.

If you don't know where to start, you might want to check these popular articles:

03094 Bits and Bytes ordering in 5 minutes
59928 Let's Encrypt Overview
11685 Key Compromise Impersonation attacks (KCI)
08337 On Doing Research
13324 Zero'ing memory, compiler optimizations and memset_s
18807 ASN.1 vs DER vs PEM vs x509 vs PKCS#7 vs ....
29413 What are x509 certificates? RFC? ASN.1? DER?

Here are the latest links posted:

20 Oct Power Analysis To The People
20 Oct Goto 2016 • Cracking The Cipher Challenge • Simon Singh
12 Oct Ken Thompson's Unix Password
07 Oct Automating The Development Of Chosen Ciphertext Attacks
07 Oct 48Ce563F89A0Ed9414F5Aa28Ad0D96D6795F9C62

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I got my first dogecoins today posted May 2014

Time to celebrate!

and thanks r/dogecoin for tipping me!

If you want some of my dogecoins just comment :D

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