Re: [PATCH] API for true Random Number Generators to add entropy (2.6.11)

Jeff Garzik
2005-03-24T04:33:46Z

On Thu, Mar 24, 2005 at 02:27:08PM +1000, David McCullough wrote:
>
> Hi all,
>
> Here is a small patch for 2.6.11 that adds a routine:
>
> add_true_randomness(__u32 *buf, int nwords);
>
> so that true random number generator device drivers can add a entropy
> to the system. Drivers that use this can be found in the latest release
> of ocf-linux, an asynchronous crypto implementation for linux based on
> the *BSD Cryptographic Framework.
>
> http://ocf-linux.sourceforge.net/
>
> Adding this can dramatically improve the performance of /dev/random on
> small embedded systems which do not generate much entropy.

We've already had hardware RNG support for a while now.

No kernel patching needed.

Jeff