Posts from January 2019
Crypto failures in the wild
Sony PlayStation 3 ECDSA random number reuse
The Sony PlayStation 3 (2006) uses Elliptic Curve DSA (ECDSA) to sign executable binaries.
ECDSA takes a private key \(d_A\) and a random number \(k\) with public parameters \(G\), \(n\) and public key \(Q_A = d_A G\), and… »
Guide: Magisk root and (Ed)Xposed using official releases on the Xiaomi Mi A2 (Android 9.0)
This is a guide on rooting the Xiaomi Mi A2 using Magisk and installing Xposed via EdXposed for Android Pie 9.0, using the official releases.
Unlocking the bootloader
Firstly we need to unlock the bootloader to allow us to flash new images. Go to Settings… »
Starship (Starkid) official recording songs (direct links and timestamps)
Unlike some of their other recordings, Starkid's Starship (2011) is split into multiple parts, making finding individual songs difficult. Here are links to all of them:
- I Wanna Be: A1P1 2:21
- Get Back Up: A1P5 4:40
- Life: A1P6 1:31
- Life (Reprise): A1P6 8:31
- Hideous Creatures:
Australian Road Rules: Crossing a painted traffic island
Consider the situations in the following diagram:
Car A is attempting to turn left at an intersection with a slip lane, and drives over a painted traffic island to reach the slip lane.
Car B is attempting to turn right at an intersection, and impatiently… »
Australian Road Rules: Obstructed slip lane
Consider the situation in the following diagram:
Car A is in the left lane approaching an intersection with a slip lane. The car wishes to turn left, but the slip lane is obstructed by a fallen load.
Question. Is it possible for car A to… »