Would color text on color background foil this? Red text on a green background, etc
Comment on Hackers can steal 2FA codes and private messages from Android phones
mfed1122@discuss.tchncs.de 2 weeks ago
"Our end-to-end attacks simply measure the rendering time per frame of the graphical operations… to determine whether the pixel was white or non-white.”
This is a prime example of something that is so simple, yet elegant, and brilliant. Fantastically cool and scary.
EndlessNightmare@reddthat.com 2 weeks ago
mfed1122@discuss.tchncs.de 2 weeks ago
Not sure. Google patched it by just limiting the amount of blurs an app could request: …googlesource.com/…/20465375a1d0cb71cdb891235a9f8…
Aceticon@lemmy.dbzer0.com 2 weeks ago
Reminds me how in the early days the secret keys inside the smartchips in things like bank cards could be extracted by measuring the power consumption were the smartchips were doing things like signing data using those keys.