Alternative Entropy Sources

Question

Okay, I guess this is entirely subjective and whatnot, but I was thinking about entropy sources for random number generators. It goes that most generators are seeded with th

Answer 1

I've used an encryption program that used the users mouse movement to generate random numbers. The only problem was that the program had to pause and ask the user to move the mouse around randomly for a few seconds to work properly which might not always be practical.