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  * $FreeBSD$
   27  */
   28 
   29 #ifndef _PADLOCK_H_
   30 #define _PADLOCK_H_
   31 
   32 #include <opencrypto/cryptodev.h>
   33 #include <crypto/rijndael/rijndael.h>
   34 
   35 #include <machine/fpu.h>
   36 
   37 union padlock_cw {
   38         uint64_t raw;
   39         struct {
   40                 u_int round_count : 4;
   41                 u_int algorithm_type : 3;
   42                 u_int key_generation : 1;
   43                 u_int intermediate : 1;
   44                 u_int direction : 1;
   45                 u_int key_size : 2;
   46                 u_int filler0 : 20;
   47                 u_int filler1 : 32;
   48                 u_int filler2 : 32;
   49                 u_int filler3 : 32;
   50         } __field;
   51 };
   52 #define cw_round_count          __field.round_count
   53 #define cw_algorithm_type       __field.algorithm_type
   54 #define cw_key_generation       __field.key_generation
   55 #define cw_intermediate         __field.intermediate
   56 #define cw_direction            __field.direction
   57 #define cw_key_size             __field.key_size
   58 #define cw_filler0              __field.filler0
   59 #define cw_filler1              __field.filler1
   60 #define cw_filler2              __field.filler2
   61 #define cw_filler3              __field.filler3
   62 
   63 struct padlock_session {
   64         union padlock_cw ses_cw __aligned(16);
   65         uint32_t        ses_ekey[4 * (RIJNDAEL_MAXNR + 1) + 4] __aligned(16);   /* 128 bit aligned */
   66         uint32_t        ses_dkey[4 * (RIJNDAEL_MAXNR + 1) + 4] __aligned(16);   /* 128 bit aligned */
   67         const struct auth_hash *ses_axf;
   68         uint8_t         *ses_ictx;
   69         uint8_t         *ses_octx;
   70         int             ses_mlen;
   71         struct fpu_kern_ctx *ses_fpu_ctx;
   72 };
   73 
   74 #define PADLOCK_ALIGN(p)        (void *)(roundup2((uintptr_t)(p), 16))
   75 
   76 int     padlock_cipher_setup(struct padlock_session *ses,
   77             const struct crypto_session_params *csp);
   78 int     padlock_cipher_process(struct padlock_session *ses,
   79             struct cryptop *crp, const struct crypto_session_params *csp);
   80 bool    padlock_hash_check(const struct crypto_session_params *csp);
   81 int     padlock_hash_setup(struct padlock_session *ses,
   82             const struct crypto_session_params *csp);
   83 int     padlock_hash_process(struct padlock_session *ses,
   84             struct cryptop *crp, const struct crypto_session_params *csp);
   85 void    padlock_hash_free(struct padlock_session *ses);
   86 
   87 #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