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 $
4 .\" Copyright (c) 2001 Theo de Raadt
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35 .Nd hardware crypto access driver
41 driver provides userland applications access to hardware crypto support
45 device node primarily operates in an
47 based model, permitting a variety of applications to query device capabilities,
48 submit transactions, and get results.
52 given in the specification, and is greater than 0, a maximum of one
58 calls apply only to the
61 .Bl -tag -width CIOCGSESSION
63 Setup a new crypto session for a new type of operation.
65 Free a previously established session.
67 Perform a crypto operation against a previously setup session.
71 Depending on hardware being present, the following symmetric and
72 asymmetric cryptographic features are potentially available from
75 .Bl -tag -compact -width CRYPTO_RIPEMD160_HMAC -offset indent
80 .It CRYPTO_SKIPJACK_CBC
83 .It CRYPTO_RIPEMD160_HMAC
94 .It CRK_DH_COMPUTE_KEY
98 .Bl -tag -width /dev/crypto -compact
109 driver first appeared in
113 driver was imported to FreeBSD in 5.0.