On Tue, Nov 06, 2012 at 10:42:42AM -0500, Jarod Wilson wrote: > The value stored in last_data must be primed for FIPS 140-2 purposes. Upon > first use, either on system startup or after an RNDCLEARPOOL ioctl, we > need to take an initial random sample, store it internally in last_data, > then pass along the value after that to the requester, so that consistency > checks aren't being run against stale and possibly known data. > > v2: streamline code flow a bit, eliminating extra loop and spinlock in the > case where we need to prime, and account for the extra primer bits. > > v3: extract_buf() can't be called with spinlock already held, so bring > back some extra lock/unlock calls. > > CC: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> > CC: "David S. Miller" <davem@xxxxxxxxxxxxx> > CC: Neil Horman <nhorman@xxxxxxxxxxxxx> > CC: Matt Mackall <mpm@xxxxxxxxxxx> > CC: linux-crypto@xxxxxxxxxxxxxxx > Signed-off-by: Jarod Wilson <jarod@xxxxxxxxxx> Thanks, applied to the /dev/random git tree. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
