What does /dev/random + /dev/urandom do? important for web browsers?

[mate2go]

Hi!

What does /dev/random + /dev/urandom do? important for web browsers?

I asked this because my enhanced AppArmor profile of my web-browser was blocking it with DENIED /dev/urandom.

[olek]

You will have your answer here :

/dev/random

and here :

Takes too long for any browser to load at the first time

[mate2go]

@olek

In Unix-like operating systems, .mw-parser-output .monospaced{font-family:monospace,monospace}/dev/random, /dev/urandom and /dev/arandom are special files that serve as pseudorandom number generators. They allow access to environmental noise collected from device drivers and other sources. /dev/random typically blocks if there is less entropy available than requested; /dev/urandom typically never blocks, even if the pseudorandom number generator seed was not fully initialized with entropy si Th...

Thanks for the info!