| safe.4 (131530) | safe.4 (131791) |
|---|---|
| 1.\"- 2.\" Copyright (c) 2003 Sam Leffler, Errno Consulting 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" | 1.\"- 2.\" Copyright (c) 2003 Sam Leffler, Errno Consulting 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" |
| 26.\" $FreeBSD: head/share/man/man4/safe.4 131530 2004-07-03 18:29:24Z ru $ | 26.\" $FreeBSD: head/share/man/man4/safe.4 131791 2004-07-08 07:19:46Z ru $ |
| 27.\"/ 28.Dd May 30, 2002 29.Dt SAFE 4 30.Os 31.Sh NAME 32.Nm safe 33.Nd SafeNet crypto accelerator 34.Sh SYNOPSIS | 27.\"/ 28.Dd May 30, 2002 29.Dt SAFE 4 30.Os 31.Sh NAME 32.Nm safe 33.Nd SafeNet crypto accelerator 34.Sh SYNOPSIS |
| 35.Nm device safe 36.sp 37.Cd sysctl hw.safe.debug 38.Cd sysctl hw.safe.dump 39.Cd sysctl hw.safe.rnginterval 40.Cd sysctl hw.safe.rngbufsize 41.Cd sysctl hw.safe.rngmaxalarm | 35.Cd "device safe" 36.Pp 37.Nm sysctl Va hw.safe.debug 38.Nm sysctl Va hw.safe.dump 39.Nm sysctl Va hw.safe.rnginterval 40.Nm sysctl Va hw.safe.rngbufsize 41.Nm sysctl Va hw.safe.rngmaxalarm |
| 42.Sh DESCRIPTION 43The 44.Nm 45driver supports cards containing any of the following chips: 46.Bl -tag -width "SafeNet 1141" -offset indent 47.It SafeNet 1141 48The original chipset. 49Supports DES, Triple-DES, AES, MD5, and SHA-1 --- 13 unchanged lines hidden (view full) --- 63.Pp 64On all models, the driver registers itself to provide random data to the 65.Xr random 4 66subsystem. 67Periodically the driver will poll the hardware RNG and retrieve 68data for use by the system. 69If the driver detects that the hardware RNG is resonating with any local 70signal, it will reset the oscillators that generate random data. | 42.Sh DESCRIPTION 43The 44.Nm 45driver supports cards containing any of the following chips: 46.Bl -tag -width "SafeNet 1141" -offset indent 47.It SafeNet 1141 48The original chipset. 49Supports DES, Triple-DES, AES, MD5, and SHA-1 --- 13 unchanged lines hidden (view full) --- 63.Pp 64On all models, the driver registers itself to provide random data to the 65.Xr random 4 66subsystem. 67Periodically the driver will poll the hardware RNG and retrieve 68data for use by the system. 69If the driver detects that the hardware RNG is resonating with any local 70signal, it will reset the oscillators that generate random data. |
| 71Three sysctl settings control this procedure: 72.Li hw.safe.rnginterval | 71Three 72.Xr sysctl 8 73settings control this procedure: 74.Va hw.safe.rnginterval |
| 73specifies the time, in seconds, between polling operations, | 75specifies the time, in seconds, between polling operations, |
| 74.Li hw.safe.rngbufsize | 76.Va hw.safe.rngbufsize |
| 75specifies the number of 32-bit words to retrieve on each poll, 76and | 77specifies the number of 32-bit words to retrieve on each poll, 78and |
| 77.Li hw.safe.rngmaxalarm | 79.Va hw.safe.rngmaxalarm |
| 78specifies the threshold for resetting the oscillators. 79.Pp 80When the driver is compiled with 81.Dv SAFE_DEBUG | 80specifies the threshold for resetting the oscillators. 81.Pp 82When the driver is compiled with 83.Dv SAFE_DEBUG |
| 82defined, two sysctl variables are provided for debugging purposes: 83.Li hw.safe.debug | 84defined, two 85.Xr sysctl 8 86variables are provided for debugging purposes: 87.Va hw.safe.debug |
| 84can be set to a non-zero value to enable debugging messages to be sent | 88can be set to a non-zero value to enable debugging messages to be sent |
| 85to the console for each cryptographic operation. 86.Li hw.safe.dump | 89to the console for each cryptographic operation, 90.Va hw.safe.dump |
| 87is a write-only variable that can be used to force driver state to be sent 88to the console. 89Set this variable to | 91is a write-only variable that can be used to force driver state to be sent 92to the console. 93Set this variable to |
| 90.Li ring | 94.Dq Li ring |
| 91to dump the current state of the descriptor ring, 92to | 95to dump the current state of the descriptor ring, 96to |
| 93.Li dma | 97.Dq Li dma |
| 94to dump the hardware DMA registers, 95or 96to | 98to dump the hardware DMA registers, 99or 100to |
| 97.Li int | 101.Dq Li int |
| 98to dump the hardware interrupt registers. 99.Sh SEE ALSO 100.Xr crypt 3 , 101.Xr crypto 4 , 102.Xr intro 4 , 103.Xr ipsec 4 , 104.Xr random 4 , 105.Xr crypto 9 106.Sh BUGS 107Public key support is not implemented. | 102to dump the hardware interrupt registers. 103.Sh SEE ALSO 104.Xr crypt 3 , 105.Xr crypto 4 , 106.Xr intro 4 , 107.Xr ipsec 4 , 108.Xr random 4 , 109.Xr crypto 9 110.Sh BUGS 111Public key support is not implemented. |