manual pages for the new kernel crypto support (need work)

Obtained from:	openbsd

1 files changed, 113 insertions, 0 deletions

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+.\"	$OpenBSD: crypto.4,v 1.4 2002/09/12 07:15:03 deraadt Exp $
+.\"	$FreeBSD$
+.\"
+.\" Copyright (c) 2001 Theo de Raadt
+.\" 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. 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 October 3, 2002
+.Dt CRYPTO 4
+.Os
+.Sh NAME
+.Nm crypto
+.Nd hardware crypto access driver
+.Sh SYNOPSIS
+.Nm device crypto
+.Sh DESCRIPTION
+The
+.Nm
+driver provides userland applications access to hardware crypto support
+via the kernel.
+The
+.Pa /dev/crypto
+device node primarily operates in an
+.Xr ioctl 2
+based model, permitting a variety of applications to query device capabilities,
+submit transactions, and get results.
+.Pp
+If
+.Ar count
+given in the specification, and is greater than 0, a maximum of one
+.Nm crypto
+device is created.
+.Pp
+The following
+.Xr ioctl 2
+calls apply only to the
+.Nm crypto
+devices:
+.Bl -tag -width CIOCGSESSION
+.It Dv CIOCGSESSION
+Setup a new crypto session for a new type of operation.
+.It Dv CIOCFSESSION
+Free a previously established session.
+.It Dv CIOCCRYPT
+Perform a crypto operation against a previously setup session.
+.El
+.Pp
+.Sh FEATURES
+Depending on hardware being present, the following symmetric and
+assymetric cryptographic features are potentially available from
+.Pa /dev/crypto :
+.Pp
+.Bl -tag -compact -width CRYPTO_RIPEMD160_HMAC -offset indent
+.It CRYPTO_DES_CBC
+.It CRYPTO_3DES_CBC
+.It CRYPTO_BLF_CBC
+.It CRYPTO_CAST_CBC
+.It CRYPTO_SKIPJACK_CBC
+.It CRYPTO_MD5_HMAC
+.It CRYPTO_SHA1_HMAC
+.It CRYPTO_RIPEMD160_HMAC
+.It CRYPTO_MD5_KPDK
+.It CRYPTO_SHA1_KPDK
+.It CRYPTO_AES_CBC
+.It CRYPTO_ARC4
+.It CRYPTO_MD5
+.It CRYPTO_SHA1
+.It CRK_MOD_EXP
+.It CRK_MOD_EXP_CRT
+.It CRK_DSA_SIGN
+.It CRK_DSA_VERIFY
+.It CRK_DH_COMPUTE_KEY
+.El
+.Pp
+.Sh FILES
+.Bl -tag -width /dev/crypto -compact
+.It Pa /dev/crypto
+crypto access device
+.El
+.Sh SEE ALSO
+.Xr hifn 4 ,
+.Xr ubsec 4 ,
+.Xr crypto 9
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+OpenBSD 3.0.
+The
+.Nm
+driver was imported to FreeBSD in 5.0.