Description of problem: QEMU 1.3 onwards supports the virtio-rng device that can enhance the entropy available to guests via the virtio hwrng driver in Linux guests. libvirt supports this since 1.0.3. More information at https://fedoraproject.org/wiki/Features/Virtio_RNG http://wiki.qemu-project.org/Features/VirtIORNG Invocation details at https://fedoraproject.org/wiki/QA:Testcase_Virtualization_VirtioRNG