1.\" $OpenBSD: bcmirng.4,v 1.2 2020/06/20 21:16:14 jmc Exp $ 2.\" 3.\" Copyright (c) 2020 Mark Kettenis <kettenis@openbsd.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: June 20 2020 $ 18.Dt BCMIRNG 4 19.Os 20.Sh NAME 21.Nm bcmirng 22.Nd Broadcom RNG200 random number generator 23.Sh SYNOPSIS 24.Cd "bcmirng* at fdt?" 25.Sh DESCRIPTION 26The 27.Nm 28driver provides support for the RNG200 random number generator found 29on the Broadcom BCM2711 SoC. 30.Pp 31It feeds the random subsystem's entropy pool with up to 128 bits of 32random data every second. 33.Sh SEE ALSO 34.Xr intro 4 , 35.Xr random 4 , 36.Xr arc4random 9 37.Sh HISTORY 38The 39.Nm 40driver first appeared in 41.Ox 6.7 . 42.Sh AUTHORS 43.An -nosplit 44The 45.Nm 46driver was written by 47.An Mark Kettenis Aq Mt kettenis@openbsd.org . 48