1.\" $OpenBSD: ubsec.4,v 1.26 2003/09/03 15:55:41 jason Exp $ 2.\" 3.\" Copyright (c) 2000 Jason L. Wright (jason@thought.net) 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 19.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 24.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25.\" POSSIBILITY OF SUCH DAMAGE. 26.\" 27.Dd June 10, 2000 28.Dt UBSEC 4 29.Os 30.Sh NAME 31.Nm ubsec 32.Nd Broadcom and BlueSteel uBsec 5x0x crypto accelerator 33.Sh SYNOPSIS 34.Cd "ubsec* at pci? dev ? function ?" 35.Sh DESCRIPTION 36The 37.Nm 38driver supports cards containing any of the following chips: 39.Bl -tag -width "Broadcom BCM5821" -offset indent 40.It Bluesteel 5501 41The original chipset, no longer made. 42This extremely rare unit 43was not very fast, lacked an RNG, and had a number of other bugs. 44.It Bluesteel 5601 45A faster and fixed version of the original, with a random number 46unit and large number engine added. 47.It Broadcom BCM5801 48A BCM5805 without public key engine or random number generator. 49.It Broadcom BCM5802 50A slower version of the BCM5805. 51.It Broadcom BCM5805 52Faster version of Bluesteel 5601. 53.It Broadcom BCM5820 5464 bit version of the chip, and significantly more advanced. 55.It Broadcom BCM5821 56Faster version of the BCM5820. 57This is the chip found on the Sun Crypto Accelerator 1000. 58.It Broadcom BCM5822 59Faster version of the BCM5820. 60.It Broadcom BCM5823 61Faster version of the BCM5822. 62.El 63.Pp 64The 65.Nm 66driver registers itself to accelerate DES, Triple-DES, MD5-HMAC, 67and SHA1-HMAC operations for 68.Xr ipsec 4 69and 70.Xr crypto 4 . 71.Pp 72On those models which contain a public key engine (almost all of the 73more recent ones), this feature is registered with the 74.Xr crypto 4 75subsystem. 76.Pp 77On all models except the Bluesteel 5501 and Broadcom 5801, the driver 78registers itself to provide random data to the 79.Xr random 4 80subsystem. 81.Sh SEE ALSO 82.Xr crypt 3 , 83.Xr crypto 4 , 84.Xr intro 4 , 85.Xr ipsec 4 , 86.Xr random 4 , 87.Xr crypto 9 88.Sh HISTORY 89The 90.Nm 91device driver appeared in 92.Ox 2.8 . 93.Sh BUGS 94The BCM5801 and BCM5802 have not actually been tested. 95Also, some of the newer chips support AES but it is not supported by the driver. 96