Messages in this thread | | | Date | Thu, 24 Mar 2005 14:46:21 +1000 | From | David McCullough <> | Subject | Re: [PATCH] API for true Random Number Generators to add entropy (2.6.11) |
| |
Jivin Jeff Garzik lays it down ... > 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.
Are you talking about /dev/hw_random ? If not then sorry I didn't see it :-(
On a lot of the small systems I work on, /dev/random is completely unresponsive, and all the apps use /dev/random, not /dev/hw_random.
Would you suggest making /dev/random point to /dev/hw_random then ?
Thanks, Davidm
-- David McCullough, davidm@snapgear.com Ph:+61 7 34352815 http://www.SnapGear.com Custom Embedded Solutions + Security Fx:+61 7 38913630 http://www.uCdot.org - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |