Posts from January 2019
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… »
Unlocking the bootloader
Firstly we need to unlock the bootloader to allow us to flash new images. Go to Settings… »
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:
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… »
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… »