NetBSD/sys/opencrypto/ocryptodev.h

183 lines
6.8 KiB
C

/* $NetBSD: ocryptodev.h,v 1.1 2009/03/25 01:26:13 darran Exp $ */
/* $FreeBSD: src/sys/opencrypto/cryptodev.h,v 1.2.2.6 2003/07/02 17:04:50 sam Exp $ */
/* $OpenBSD: cryptodev.h,v 1.33 2002/07/17 23:52:39 art Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Coyote Point Systems, Inc.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
/*
* The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
*
* This code was written by Angelos D. Keromytis in Athens, Greece, in
* February 2000. Network Security Technologies Inc. (NSTI) kindly
* supported the development of this code.
*
* Copyright (c) 2000 Angelos D. Keromytis
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all source code copies of any software which is or includes a copy or
* modification of this software.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*
* Copyright (c) 2001 Theo de Raadt
*
* 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.
*
* Effort sponsored in part by the Defense Advanced Research Projects
* Agency (DARPA) and Air Force Research Laboratory, Air Force
* Materiel Command, USAF, under agreement number F30602-01-2-0537.
*
*/
#ifndef _CRYPTO_OCRYPTODEV_H_
#define _CRYPTO_OCRYPTODEV_H_
struct osession_op { /* backwards compatible */
u_int32_t cipher; /* ie. CRYPTO_DES_CBC */
u_int32_t mac; /* ie. CRYPTO_MD5_HMAC */
u_int32_t keylen; /* cipher key */
void * key;
int mackeylen; /* mac key */
void * mackey;
u_int32_t ses; /* returns: session # */
};
struct osession_n_op {
u_int32_t cipher; /* ie. CRYPTO_DES_CBC */
u_int32_t mac; /* ie. CRYPTO_MD5_HMAC */
u_int32_t keylen; /* cipher key */
void * key;
int mackeylen; /* mac key */
void * mackey;
u_int32_t ses; /* returns: session # */
int status;
};
struct ocrypt_op {
u_int32_t ses;
u_int16_t op; /* i.e. COP_ENCRYPT */
u_int16_t flags;
u_int len;
void * src, *dst; /* become iov[] inside kernel */
void * mac; /* must be big enough for chosen MAC */
void * iv;
};
/* to support multiple session creation */
/*
*
* The reqid field is filled when the operation has
* been accepted and started, and can be used to later retrieve
* the operation results via CIOCNCRYPTRET or identify the
* request in the completion list returned by CIOCNCRYPTRETM.
*
* The opaque pointer can be set arbitrarily by the user
* and it is passed back in the crypt_result structure
* when the request completes. This field can be used for example
* to track context for the request and avoid lookups in the
* user application.
*/
struct ocrypt_n_op {
u_int32_t ses;
u_int16_t op; /* i.e. COP_ENCRYPT */
u_int16_t flags;
u_int len; /* src & dst len */
u_int32_t reqid; /* request id */
int status; /* status of request -accepted or not */
void *opaque; /* opaque pointer returned to user */
u_int32_t keylen; /* cipher key - optional */
void * key;
u_int32_t mackeylen; /* also optional */
void * mackey;
void * src, *dst; /* become iov[] inside kernel */
void * mac; /* must be big enough for chosen MAC */
void * iv;
};
struct ocrypt_sgop {
size_t count;
struct osession_n_op * sessions;
};
struct ocrypt_mop {
size_t count; /* how many */
struct ocrypt_n_op * reqs; /* where to get them */
};
struct csession;
struct fcrypt;
#define OCIOCGSESSION _IOWR('c', 101, struct osession_op)
#define OCIOCNGSESSION _IOWR('c', 106, struct ocrypt_sgop)
#define OCIOCCRYPT _IOWR('c', 103, struct ocrypt_op)
#define OCIOCNCRYPTM _IOWR('c', 107, struct ocrypt_mop)
int cryptodev_op(struct csession *, struct crypt_op *, struct lwp *);
int cryptodev_mop(struct fcrypt *, struct crypt_n_op *, int, struct lwp *);
int cryptodev_session(struct fcrypt *, struct session_op *);
int cryptodev_msession(struct fcrypt *, struct session_n_op *, int);
struct csession *cryptodev_csefind(struct fcrypt *fcr, u_int ses);
int ocryptof_ioctl(struct file *, u_long, void *);
#endif /* _CRYPTO_OCRYPTODEV_H_ */