On Friday 16 May 2008 20:49:41 Johannes Berg wrote: > > + > > +/* Our random number generator device reads from /dev/urandom into the > > Guest's > > + * input buffers. The usual case is that the Guest doesn't want random > > numbers > > + * and so has no buffers although /dev/urandom is still readable, whereas > > + * console is the reverse. > > Is it really a good idea to use the hosts /dev/urandom to fill the > guests /dev/random?
Technically it's up to rngd in the guest to decide whether to feed entropy or not (ie. /dev/urandom or /dev/random). If we use /dev/random in the host, we risk a DoS. But since /dev/random is 0666 on my system, perhaps noone actually cares? Cheers, Rusty. _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linux-foundation.org/mailman/listinfo/virtualization
