padlock.h

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    1 /*-
    2  * Copyright (c) 2005-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/11.0/sys/crypto/via/padlock.h 230426 2012-01-21 17:45:27Z kib $
   27  */
   28 
   29 #ifndef _PADLOCK_H_
   30 #define _PADLOCK_H_
   31 
   32 #include <opencrypto/cryptodev.h>
   33 #include <crypto/rijndael/rijndael.h>
   34 
   35 #if defined(__i386__)
   36 #include <machine/npx.h>
   37 #elif defined(__amd64__)
   38 #include <machine/fpu.h>
   39 #endif
   40 
   41 union padlock_cw {
   42         uint64_t raw;
   43         struct {
   44                 u_int round_count : 4;
   45                 u_int algorithm_type : 3;
   46                 u_int key_generation : 1;
   47                 u_int intermediate : 1;
   48                 u_int direction : 1;
   49                 u_int key_size : 2;
   50                 u_int filler0 : 20;
   51                 u_int filler1 : 32;
   52                 u_int filler2 : 32;
   53                 u_int filler3 : 32;
   54         } __field;
   55 };
   56 #define cw_round_count          __field.round_count
   57 #define cw_algorithm_type       __field.algorithm_type
   58 #define cw_key_generation       __field.key_generation
   59 #define cw_intermediate         __field.intermediate
   60 #define cw_direction            __field.direction
   61 #define cw_key_size             __field.key_size
   62 #define cw_filler0              __field.filler0
   63 #define cw_filler1              __field.filler1
   64 #define cw_filler2              __field.filler2
   65 #define cw_filler3              __field.filler3
   66 
   67 struct padlock_session {
   68         union padlock_cw ses_cw __aligned(16);
   69         uint32_t        ses_ekey[4 * (RIJNDAEL_MAXNR + 1) + 4] __aligned(16);   /* 128 bit aligned */
   70         uint32_t        ses_dkey[4 * (RIJNDAEL_MAXNR + 1) + 4] __aligned(16);   /* 128 bit aligned */
   71         uint8_t         ses_iv[16] __aligned(16);                       /* 128 bit aligned */
   72         struct auth_hash *ses_axf;
   73         uint8_t         *ses_ictx;
   74         uint8_t         *ses_octx;
   75         int             ses_mlen;
   76         int             ses_used;
   77         uint32_t        ses_id;
   78         TAILQ_ENTRY(padlock_session) ses_next;
   79         struct fpu_kern_ctx *ses_fpu_ctx;
   80 };
   81 
   82 #define PADLOCK_ALIGN(p)        (void *)(roundup2((uintptr_t)(p), 16))
   83 
   84 int     padlock_cipher_setup(struct padlock_session *ses,
   85             struct cryptoini *encini);
   86 int     padlock_cipher_process(struct padlock_session *ses,
   87             struct cryptodesc *enccrd, struct cryptop *crp);
   88 int     padlock_hash_setup(struct padlock_session *ses,
   89             struct cryptoini *macini);
   90 int     padlock_hash_process(struct padlock_session *ses,
   91             struct cryptodesc *maccrd, struct cryptop *crp);
   92 void    padlock_hash_free(struct padlock_session *ses);
   93 
   94 #endif  /* !_PADLOCK_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/crypto/via/padlock.h

FreeBSD/Linux Kernel Cross Reference
sys/crypto/via/padlock.h