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$FreeBSD: head/share/man/man4/man4.i386/padlock.4 160782 2006-07-28 13:56:17Z pjd $
.Dd July 28, 2006 .Dt PADLOCK 4 i386 .Os .Sh NAME .Nm padlock .Nd "driver for the cryptographic functions and RNG in VIA C3, C7 and Eden processors" .Sh SYNOPSIS To compile this driver into the kernel, place the following lines in your kernel configuration file: d -ragged -offset indent .Cd "device crypto" .Cd "device padlock" .Ed
p Alternatively, to load the driver as a module at boot time, place the following line in .Xr loader.conf 5 : d -literal -offset indent padlock_load="YES" .Ed .Sh DESCRIPTION The C3 and Eden processor series from VIA include hardware acceleration for AES. The C7 series includes hardware acceleration for AES, SHA1, SHA256 and RSA. All of the above processor series include a hardware random number generator.
p The .Nm driver registers itself to accelerate AES operations and if available HMAC/SHA1 and HMAC/SHA256 for .Xr crypto 4 . It also registers itself to accelerate other HMAC algorithms, although there is no hardware acceleration for those algorithms. This is only needed, so .Nm can work with .Xr fast_ipsec 4 .
p The hardware random number generator supplies data for the kernel .Xr random 4 subsystem. .Sh HISTORY The .Nm driver first appeared in .Ox . The first .Fx release to include it was .Fx 6.0 . .Sh SEE ALSO .Xr crypt 3 , .Xr crypto 4 , .Xr fast_ipsec 4 , .Xr intro 4 , .Xr random 4 , .Xr crypto 9 .Sh AUTHORS .An -nosplit The .Nm driver with AES encrytion support was written by .An Jason Wright Aq jason@OpenBSD.org . It was ported to .Fx and then extended to support SHA1 and SHA256 by .An Pawel Jakub Dawidek Aq pjd@FreeBSD.org . This manual page was written by .An Christian Brueffer Aq brueffer@FreeBSD.org .