lkml.org 
[lkml]   [2021]   [Feb]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2] hwrng: iproc: set quality to 1024
Date
This allows khwrngd to make use of iproc-rng200.

Justification:
cat /dev/hwrng | rngtest -c 1000
rngtest 6.10
Copyright (c) 2004 by Henrique de Moraes Holschuh
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

rngtest: starting FIPS tests...
rngtest: bits received from input: 20000032
rngtest: FIPS 140-2 successes: 1000
rngtest: FIPS 140-2 failures: 0
rngtest: FIPS 140-2(2001-10-10) Monobit: 0
rngtest: FIPS 140-2(2001-10-10) Poker: 0
rngtest: FIPS 140-2(2001-10-10) Runs: 0
rngtest: FIPS 140-2(2001-10-10) Long run: 0
rngtest: FIPS 140-2(2001-10-10) Continuous run: 0
rngtest: input channel speed: (min=107.179; avg=200.770; max=9765625.000)Kibits/s
rngtest: FIPS tests speed: (min=34.742; avg=39.905; max=66.458)Mibits/s
rngtest: Program run time: 97829648 microseconds

1000 successes and 0 failures -> 100% success rate

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
v2: set quality to 1024 and add justification

drivers/char/hw_random/iproc-rng200.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/char/hw_random/iproc-rng200.c b/drivers/char/hw_random/iproc-rng200.c
index 01583faf9893..d22406528ac5 100644
--- a/drivers/char/hw_random/iproc-rng200.c
+++ b/drivers/char/hw_random/iproc-rng200.c
@@ -199,6 +199,7 @@ static int iproc_rng200_probe(struct platform_device *pdev)
priv->rng.read = iproc_rng200_read;
priv->rng.init = iproc_rng200_init;
priv->rng.cleanup = iproc_rng200_cleanup;
+ priv->rng.quality = 1024;

/* Register driver */
ret = devm_hwrng_register(dev, &priv->rng);
--
2.20.1
\
 
 \ /
  Last update: 2021-02-20 21:03    [W:0.063 / U:0.708 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site