174 lines
6.5 KiB
C
174 lines
6.5 KiB
C
/* $NetBSD: ocryptodev.h,v 1.2 2011/02/19 16:26:34 drochner Exp $ */
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/* $FreeBSD: src/sys/opencrypto/cryptodev.h,v 1.2.2.6 2003/07/02 17:04:50 sam Exp $ */
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/* $OpenBSD: cryptodev.h,v 1.33 2002/07/17 23:52:39 art Exp $ */
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/*-
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* Copyright (c) 2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Coyote Point Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
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*
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* This code was written by Angelos D. Keromytis in Athens, Greece, in
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* February 2000. Network Security Technologies Inc. (NSTI) kindly
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* supported the development of this code.
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*
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* Copyright (c) 2000 Angelos D. Keromytis
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*
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* Permission to use, copy, and modify this software with or without fee
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* is hereby granted, provided that this entire notice is included in
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* all source code copies of any software which is or includes a copy or
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* modification of this software.
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*
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* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
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* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
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* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
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* PURPOSE.
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*
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* Copyright (c) 2001 Theo de Raadt
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Effort sponsored in part by the Defense Advanced Research Projects
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* Agency (DARPA) and Air Force Research Laboratory, Air Force
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* Materiel Command, USAF, under agreement number F30602-01-2-0537.
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*
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*/
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#ifndef _CRYPTO_OCRYPTODEV_H_
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#define _CRYPTO_OCRYPTODEV_H_
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struct osession_op { /* backwards compatible */
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u_int32_t cipher; /* ie. CRYPTO_DES_CBC */
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u_int32_t mac; /* ie. CRYPTO_MD5_HMAC */
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u_int32_t keylen; /* cipher key */
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void * key;
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int mackeylen; /* mac key */
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void * mackey;
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u_int32_t ses; /* returns: session # */
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};
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struct osession_n_op {
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u_int32_t cipher; /* ie. CRYPTO_DES_CBC */
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u_int32_t mac; /* ie. CRYPTO_MD5_HMAC */
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u_int32_t keylen; /* cipher key */
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void * key;
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int mackeylen; /* mac key */
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void * mackey;
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u_int32_t ses; /* returns: session # */
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int status;
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};
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struct ocrypt_op {
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u_int32_t ses;
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u_int16_t op; /* i.e. COP_ENCRYPT */
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u_int16_t flags;
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u_int len;
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void * src, *dst; /* become iov[] inside kernel */
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void * mac; /* must be big enough for chosen MAC */
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void * iv;
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};
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/* to support multiple session creation */
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/*
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*
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* The reqid field is filled when the operation has
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* been accepted and started, and can be used to later retrieve
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* the operation results via CIOCNCRYPTRET or identify the
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* request in the completion list returned by CIOCNCRYPTRETM.
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*
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* The opaque pointer can be set arbitrarily by the user
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* and it is passed back in the crypt_result structure
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* when the request completes. This field can be used for example
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* to track context for the request and avoid lookups in the
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* user application.
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*/
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struct ocrypt_n_op {
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u_int32_t ses;
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u_int16_t op; /* i.e. COP_ENCRYPT */
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u_int16_t flags;
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u_int len; /* src & dst len */
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u_int32_t reqid; /* request id */
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int status; /* status of request -accepted or not */
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void *opaque; /* opaque pointer returned to user */
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u_int32_t keylen; /* cipher key - optional */
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void * key;
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u_int32_t mackeylen; /* also optional */
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void * mackey;
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void * src, *dst; /* become iov[] inside kernel */
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void * mac; /* must be big enough for chosen MAC */
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void * iv;
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};
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struct ocrypt_sgop {
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size_t count;
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struct osession_n_op * sessions;
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};
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struct ocrypt_mop {
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size_t count; /* how many */
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struct ocrypt_n_op * reqs; /* where to get them */
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};
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#define OCIOCGSESSION _IOWR('c', 101, struct osession_op)
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#define OCIOCNGSESSION _IOWR('c', 106, struct ocrypt_sgop)
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#define OCIOCCRYPT _IOWR('c', 103, struct ocrypt_op)
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#define OCIOCNCRYPTM _IOWR('c', 107, struct ocrypt_mop)
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int ocryptof_ioctl(struct file *, u_long, void *);
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#endif /* _CRYPTO_OCRYPTODEV_H_ */
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