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hwrng: core - allow perfect entropy from hardware devices
authorKeith Packard <keithp@keithp.com>
Wed, 18 Mar 2015 07:17:00 +0000 (00:17 -0700)
committerHerbert Xu <herbert@gondor.apana.org.au>
Wed, 18 Mar 2015 10:01:31 +0000 (21:01 +1100)
commit506bf0c0464ace57169aadcf02ae397999c57bdd
treeaee118b7cffedee93f827aa55dc7cb71f91d0e97tree | snapshot
parent7094e8ea4da3077ad03eb027fd45a7617dba3d95commit | diff
hwrng: core - allow perfect entropy from hardware devices

Hardware random number quality is measured from 0 (no entropy) to 1024
(perfect entropy). Allow hardware devices to assert the full range by
truncating the device-provided value at 1024 instead of 1023.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/char/hw_random/core.c diff | blob | history
Beck SC1x5 Kernel