From: not@telling.you.invalid   
      
   Lawrence D'Oliveiro  wrote:   
   > On 30 Mar 2025 09:31:01 +1000, Computer Nerd Kev wrote:   
   >   
   >> The main issue in the past has simply been that it wasn't part of   
   >> the original PC architecture, so things like "looking at mouse   
   >> movements" needed to be done at first until it was added to modern   
   >> hardware.   
   >   
   > The trouble with building in a purported random-number source is: how can   
   > you be sure you can trust it?   
      
   That's the justification the designer of the circuit I linked to   
   stated for why they decided to use a separate circuit made from   
   discrete components. USB devices using similar circuits can also be   
   purchased for the same reason. Anyway, you don't need a quantum   
   computer to do it.   
      
   > Intel added random-number generation instructions to the x86 architecture;   
   > but how can be we sure they work as they're advertised?   
      
   How can you be sure anything works as advertised? There's always   
   the risk of backdoors in the Intel Management Engine enabling all   
   sorts of possible attacks. That designer likes FPGA-based CPUs for   
   this reason, although there's still a small risk that the FPGAs   
   could be maliciously designed to specifically sabotage that   
   approach too.   
      
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