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| author | Oleksij Rempel <o.rempel@pengutronix.de> | 2017-03-22 10:14:34 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-03-30 08:23:20 +0200 |
| commit | 07dc37dc9bbf0ddb2a4ef4e7baec07957492d42a (patch) | |
| tree | 0c7f52db7442b5156be328b458ac98bc4cf21c35 /include/stdlib.h | |
| parent | 8eac8a6c657274e4741518ba37ecde324ffe4186 (diff) | |
| download | barebox-07dc37dc9bbf0ddb2a4ef4e7baec07957492d42a.tar.gz barebox-07dc37dc9bbf0ddb2a4ef4e7baec07957492d42a.tar.xz | |
lib: random: add get_crypto_bytes interface and use HWRNG if posssible
For crypto applications we need to use some thing else as PRNG.
So provide get_crypto_bytes() and use HWRNG as main source.
PRNG is allowed as fallback if user decided to configure it so.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include/stdlib.h')
| -rw-r--r-- | include/stdlib.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/stdlib.h b/include/stdlib.h index f3185069f3..ee3f229968 100644 --- a/include/stdlib.h +++ b/include/stdlib.h @@ -13,6 +13,7 @@ void srand(unsigned int seed); /* fill a buffer with pseudo-random data */ void get_random_bytes(void *buf, int len); +int get_crypto_bytes(void *buf, int len); static inline u32 random32(void) { |