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| -rw-r--r-- | share/man/man9/arc4random.9 | 93 |
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diff --git a/share/man/man9/arc4random.9 b/share/man/man9/arc4random.9 deleted file mode 100644 index e07c70196d4..00000000000 --- a/share/man/man9/arc4random.9 +++ /dev/null @@ -1,93 +0,0 @@ -.\" $OpenBSD: arc4random.9,v 1.2 2003/04/17 13:41:30 mickey Exp $ -.\" -.\" Copyright (c) 1996,2000 Michael Shalayeff -.\" All rights reserved. -.\" -.\" Redistribution and use in source and binary forms, with or without -.\" modification, are permitted provided that the following conditions -.\" are met: -.\" 1. Redistributions of source code must retain the above copyright -.\" notice, this list of conditions and the following disclaimer. -.\" 2. Redistributions in binary form must reproduce the above copyright -.\" notice, this list of conditions and the following disclaimer in the -.\" documentation and/or other materials provided with the distribution. -.\" 3. All advertising materials mentioning features or use of this software -.\" must display the following acknowledgement: -.\" This product includes software developed by Michael Shalayeff -.\" 3. The name of the author may not be used to endorse or promote products -.\" derived from this software without specific prior written permission -.\" -.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR -.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES -.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. -.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, -.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT -.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF -.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -.\" -.Dd March 26, 1996 -.Dt RANDOM 9 -.Os -.Sh NAME -.Nm random -.Nd device kernel interface -.Sh SYNOPSIS -.Fd #include <dev/rndvar.h> -.Ft void -.Fn add_true_randomness "int" -.Ft void -.Fn add_timer_randomness "int" -.Ft void -.Fn add_mouse_randomness "int" -.Ft void -.Fn add_tty_randomness "int" -.Ft void -.Fn add_net_randomness "int" -.Ft void -.Fn add_disk_randomness "int" -.Ft void -.Fn add_audio_randomness "int" -.Ft void -.Fn get_random_bytes "void *buf" "size_t nbytes" -.Ft u_int32_t -.Fn arc4random "void" -.br -.Sh DESCRIPTION -.Nm add_mouse_randomness , -.Nm add_tty_randomness , -.Nm add_net_randomness , -.Nm add_disk_randomness , -.Nm add_audio_randomness -routines are used to -supply data for the random data source device for further processing. -The processing involves calculating inter-event time delta and measuring -entropy contained in the resulting delta-T, supplied in argument data -is just mixed into the pool and does not increase entropy counter. -.br -.Nm add_true_randomness -does not involve usual timing calculations -and causes supplied data argument added to the entropy pool -increasing the entropy counter by 32 bits. -.br -.Nm add_timer_randomness -will not cause entropy counter to rise, it -is used to change the state of the pool periodically mostly -by meaning of timing random driver's operations. -.Pp -.Nm get_random_bytes -may be used to retrieve strong random data, just -as it would by -.Xr srandom 4 -device. -.br -.Nm arc4random -will give random 32 bit numbers hashed with -the ARC4 algorithm, which appears to be faster and less abusive -to the entropy pool. -.Sh SEE ALSO -.Xr arc4random 3 , -.Xr pchb 4 , -.Xr random 4 |