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| author |   deraadt <deraadt@openbsd.org> | 2014-06-15 01:49:06 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 2014-06-15 01:49:06 +0000 |
| commit | ecdcc3532b95f1e603cfcc890c0fa1adf859d59a (patch) | |
| tree | 098eb60316137605f456e5865145c172bbe905a4 /lib/libc/stdlib/random.c | |
| parent | Preallocate sgmap extent regions for tsp, cia and mcpcia dma maps, which fall (diff) | |
| download | wireguard-openbsd-ecdcc3532b95f1e603cfcc890c0fa1adf859d59a.tar.xz wireguard-openbsd-ecdcc3532b95f1e603cfcc890c0fa1adf859d59a.zip | |
In srandomdev(), use arc4random_buf() instead of from the kernel.
discussion with matthew
Diffstat (limited to 'lib/libc/stdlib/random.c')
| -rw-r--r-- | lib/libc/stdlib/random.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/libc/stdlib/random.c b/lib/libc/stdlib/random.c index 7ed911bf657..0c388983be2 100644 --- a/lib/libc/stdlib/random.c +++ b/lib/libc/stdlib/random.c @@ -1,4 +1,4 @@ -/* $OpenBSD: random.c,v 1.20 2014/06/13 15:35:34 deraadt Exp $ */ +/* $OpenBSD: random.c,v 1.21 2014/06/15 01:49:06 deraadt Exp $ */ /* * Copyright (c) 1983 Regents of the University of California. * All rights reserved. @@ -242,8 +242,7 @@ __warn_references(srandom, * srandomdev: * * Many programs choose the seed value in a totally predictable manner. - * This often causes problems. We seed the generator using random - * data from the kernel. + * This often causes problems. We seed the generator using random data. * Note that this particular seeding procedure can generate states * which are impossible to reproduce by calling srandom() with any * value, since the succeeding terms in the state buffer are no longer @@ -260,7 +259,7 @@ srandomdev(void) else len = rand_deg * sizeof(state[0]); - getentropy(state, len); + arc4random_buf(buf, len); if (rand_type != TYPE_0) { fptr = &state[rand_sep]; |