Ticket #11296 (new enhancement)

Opened 10 years ago

Last modified 10 years ago

entropy quality

Reported by: Tsso Owned by:
Component: other Version: VirtualBox 4.2.4
Keywords: Cc:
Guest type: all Host type: other


Many cryptographic operations depend on good entropy. Bad entropy results in weak keys and poor security.

There is no information about entropy quality available on

What sources of entropy are available to virtual machines? How good are those sources? Does the virtual CPU have an accurate TSC or does it provide entropy? Does the --synthcpu option change anything?

Does Virtual Box implement any measures to provide good entropy to virtual machines?

None of these questions is answered on

Change History

comment:1 Changed 10 years ago by Tsso

Related to #11297: "poor entropy performance".

comment:2 Changed 10 years ago by frank

  • priority changed from critical to major
  • Type changed from defect to enhancement

This is not a defect but a feature request (missing documentation).

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