FreeBSD/Linux Kernel Cross Reference
sys/opencrypto/ocryptodev.h

     /*      $NetBSD: ocryptodev.h,v 1.4 2019/01/27 02:08:48 pgoyette 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_
    
    #include <sys/ioccom.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 */
   };
   
   #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)
   
   struct fcrypt;
   struct session_op;
   struct csession;
   struct crypt_op;
   struct crypt_n_op;
   
   int ocryptof_ioctl(struct file *, u_long, void *);
   
   #endif /* _CRYPTO_OCRYPTODEV_H_ */

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