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author | Torsten Duwe <duwe@lst.de> | 2014-06-14 23:38:36 -0400 |
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committer | Theodore Ts'o <tytso@mit.edu> | 2014-07-15 04:49:40 -0400 |
commit | c84dbf61a7b322188d2a7fddc0cc6317ac6713e2 (patch) | |
tree | 9c89724ab1fbfc2a21b2cd681d706791a0105694 /include/linux/hw_random.h | |
parent | 43759d4f429c8d55fd56f863542e20f4e6e8f589 (diff) | |
download | lwn-c84dbf61a7b322188d2a7fddc0cc6317ac6713e2.tar.gz lwn-c84dbf61a7b322188d2a7fddc0cc6317ac6713e2.zip |
random: add_hwgenerator_randomness() for feeding entropy from devices
This patch adds an interface to the random pool for feeding entropy
in-kernel.
Signed-off-by: Torsten Duwe <duwe@suse.de>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'include/linux/hw_random.h')
-rw-r--r-- | include/linux/hw_random.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/hw_random.h b/include/linux/hw_random.h index b4b0eef5fddf..3f075ff00411 100644 --- a/include/linux/hw_random.h +++ b/include/linux/hw_random.h @@ -47,5 +47,7 @@ struct hwrng { extern int hwrng_register(struct hwrng *rng); /** Unregister a Hardware Random Number Generator driver. */ extern void hwrng_unregister(struct hwrng *rng); +/** Feed random bits into the pool. */ +extern void add_hwgenerator_randomness(const char *buffer, size_t count, size_t entropy); #endif /* LINUX_HWRANDOM_H_ */ |