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Author SHA1 Message Date
Juha Niskanen
449cf4d076 getrandom: fix comment contradicting code 
Signed-off-by: Juha Niskanen <juha.niskanen@haltian.com>
 2022-06-15 11:18:04 -03:00
Xiang Xiao
c8ea7a95a3 libc: Implement getrandom on top of "/dev/[u]random" 
https://man7.org/linux/man-pages/man2/getrandom.2.html

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-03-25 13:48:33 +02:00
chao.an
859e1ce63a crypto/arc4random: rename getrandom to arc4random_buf 
Change-Id: I5c9f0c9acf5af71f01beceaf06ebe0a2c87676bc
Signed-off-by: chao.an <anchao@xiaomi.com>
 2020-12-13 08:49:51 -06:00
Gregory Nutt
b54ffe858a Standardization of some function headers. 2018-03-13 09:52:27 -06:00
Gregory Nutt
d5207efb5a Be consistent... Use Name: consistent in function headers vs Function: 2017-04-21 16:33:14 -06:00
Jussi Kivilinna
dffb8a67e3 Add entropy pool and strong random number generator 
Entropy pool gathers environmental noise from device drivers, user-space, etc., and returns good random numbers, suitable for cryptographic use. Based on entropy pool design from *BSDs and uses BLAKE2Xs algorithm for CSPRNG output.

Patch also adds /dev/urandom support for using entropy pool RNG and new 'getrandom' system call for getting randomness without file-descriptor usage (thus avoiding file-descriptor exhaustion attacks). The 'getrandom' interface is similar as 'getentropy' and 'getrandom' available on OpenBSD and Linux respectively.
 2017-03-30 07:38:37 -06:00