1 .\" $OpenBSD: crypto.4,v 1.4 2002/09/12 07:15:03 deraadt Exp $
2 .\" $FreeBSD: src/share/man/man4/crypto.4,v 1.1.2.2 2002/12/29 16:35:38 schweikh Exp $
3 .\" $DragonFly: src/share/man/man4/crypto.4,v 1.2 2003/06/17 04:36:58 dillon Exp $
5 .\" Copyright (c) 2001 Theo de Raadt
6 .\" All rights reserved.
8 .\" Redistribution and use in source and binary forms, with or without
9 .\" modification, are permitted provided that the following conditions
11 .\" 1. Redistributions of source code must retain the above copyright
12 .\" notice, this list of conditions and the following disclaimer.
13 .\" 2. Redistributions in binary form must reproduce the above copyright
14 .\" notice, this list of conditions and the following disclaimer in the
15 .\" documentation and/or other materials provided with the distribution.
16 .\" 3. The name of the author may not be used to endorse or promote products
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19 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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36 .Nd hardware crypto access driver
42 driver provides userland applications access to hardware crypto support
46 device node primarily operates in an
48 based model, permitting a variety of applications to query device capabilities,
49 submit transactions, and get results.
53 given in the specification, and is greater than 0, a maximum of one
59 calls apply only to the
62 .Bl -tag -width CIOCGSESSION
64 Setup a new crypto session for a new type of operation.
66 Free a previously established session.
68 Perform a crypto operation against a previously setup session.
72 Depending on hardware being present, the following symmetric and
73 asymmetric cryptographic features are potentially available from
76 .Bl -tag -compact -width CRYPTO_RIPEMD160_HMAC -offset indent
81 .It CRYPTO_SKIPJACK_CBC
84 .It CRYPTO_RIPEMD160_HMAC
95 .It CRK_DH_COMPUTE_KEY
99 .Bl -tag -width /dev/crypto -compact
110 driver first appeared in
114 driver was imported to FreeBSD in 5.0.