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/*-
* Copyright (c) 2005-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* 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 AUTHORS 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 AUTHORS 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.
*
* $FreeBSD$
*/
#ifndef _PADLOCK_H_
#define _PADLOCK_H_
#include <opencrypto/cryptodev.h>
#include <crypto/rijndael/rijndael.h>
#include <machine/fpu.h>
union padlock_cw {
uint64_t raw;
struct {
u_int round_count : 4;
u_int algorithm_type : 3;
u_int key_generation : 1;
u_int intermediate : 1;
u_int direction : 1;
u_int key_size : 2;
u_int filler0 : 20;
u_int filler1 : 32;
u_int filler2 : 32;
u_int filler3 : 32;
} __field;
};
#define cw_round_count __field.round_count
#define cw_algorithm_type __field.algorithm_type
#define cw_key_generation __field.key_generation
#define cw_intermediate __field.intermediate
#define cw_direction __field.direction
#define cw_key_size __field.key_size
#define cw_filler0 __field.filler0
#define cw_filler1 __field.filler1
#define cw_filler2 __field.filler2
#define cw_filler3 __field.filler3
struct padlock_session {
union padlock_cw ses_cw __aligned(16);
uint32_t ses_ekey[4 * (RIJNDAEL_MAXNR + 1) + 4] __aligned(16); /* 128 bit aligned */
uint32_t ses_dkey[4 * (RIJNDAEL_MAXNR + 1) + 4] __aligned(16); /* 128 bit aligned */
const struct auth_hash *ses_axf;
uint8_t *ses_ictx;
uint8_t *ses_octx;
int ses_mlen;
struct fpu_kern_ctx *ses_fpu_ctx;
};
#define PADLOCK_ALIGN(p) (void *)(roundup2((uintptr_t)(p), 16))
int padlock_cipher_setup(struct padlock_session *ses,
const struct crypto_session_params *csp);
int padlock_cipher_process(struct padlock_session *ses,
struct cryptop *crp, const struct crypto_session_params *csp);
bool padlock_hash_check(const struct crypto_session_params *csp);
int padlock_hash_setup(struct padlock_session *ses,
const struct crypto_session_params *csp);
int padlock_hash_process(struct padlock_session *ses,
struct cryptop *crp, const struct crypto_session_params *csp);
void padlock_hash_free(struct padlock_session *ses);
#endif /* !_PADLOCK_H_ */
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