While reading the super-interesting Imperial Violet, Adam Langley’s weblog, I stumbled upon a new data structure that I had never heard of: the Golomb-coded sets (GCS). It is a probabilistic data structure conceptually similar to the famous Bloom filters, but with a more compact in-memory representation, and a slower query time.

A friend asked me some time time ago how his bank’s OTP token worked. Most tokens that banks use (at least in Italy) are products of the “RSA SecurID” family, which are proprietary and secret (and rumored to have been compromised), but the general cryptography behind them is well-known and there are open standards that [...]

Do you want to see how PyInstaller magically handles usages of ctypes, whilst py2exe/py2app would simply fail? Follow me in this in-depth tutorial! PyInstaller comprises many advanced features to make your life easier when packaging a Python program. In my opinion, its main advantage over py2exe/py2app (besides the obvious fact that it is a multi-platform [...]