This post concerns a DRM system used in an online ebook platform, released circa 2018. Users of the platform can purchase ebooks and either view them online, or download them for offline viewing using a proprietary Android/iOS app.
As usual, the particular DRM system… »
The Google Chromecast does not support WiFi networks with captive portals (e.g. hotel WiFi) or WPA2-Enterprise/802.1X username/password authentication (e.g. eduroam or other enterprise entworks). This presents a problem when wired internet is not readily available and we do not want to use our mobile data.… »
Columbus Day doesn't quite know what it wants to be. Joe Bishop is hiding from technologically-advanced aliens, then he's a Starship Trooper, a several page description of military technologies follows, and then not much happens while Joe does farming and slice-of-lifey things with a side… »
Click and drag to bookmarks bar: Forms Switch User
Google Forms are sometimes restricted to users from a certain Google organisation,… »
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… »