[cryptography] Random number generation influenced, HW RNG

Thor Lancelot Simon tls at panix.com
Sun Sep 8 11:54:39 EDT 2013


On Sun, Sep 08, 2013 at 03:00:39PM +1000, James A. Donald wrote:
> On 2013-09-08 1:25 PM, Thor Lancelot Simon wrote:
> >On Sun, Sep 08, 2013 at 08:34:53AM +1000, James A. Donald wrote:
> >>Well, since you personally did this, would you care to explain the
> >>very strange design decision to whiten the numbers on chip, and not
> >>provide direct access to the raw unwhitened output.
> >You know as soon as anyone complained about this, they turned around
> >and provided access to the unwhitened output in the next major version
> >of the same product family, right?
> 
> I am not aware of this.  Could you provide further details?

http://software.intel.com/en-us/blogs/2012/11/17/the-difference-between-rdrand-and-rdseed

> And since no one needs high bandwidth true random numbers, why the
> on chip whitening?  Surely there was some internal discussion of
> this decision?

A) I don't agree with your premise.

B) Are you under the misapprehension that I work for Intel?



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