At 12:28 PM 10/14/00 -0400, Sean Roach wrote:
At 10:31 AM 10/11/2000, Ray Dillinger wrote: ...
Also, it looks like the sort of thing that could be designed around. If someone were building a "secure laptop" they could make a video system and drivers that wrote the bits in a different, randomized order each time, and which only wrote the changed bits. If anybody is actually making a product like this, it would be a strong indication that *somebody* with money to spend on R&D considers it a valid threat model, because nobody makes products without a market.
This could easily be the recipe for a flickering monitor. First of all,
1. RD's idea sounds like something the content-protection folks would like... writing to a RAM-based display in customized, random order... 2. Electronics are so much faster than human visual flicker fusion frequencies...