88 lines
3.1 KiB
C
88 lines
3.1 KiB
C
/*-
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* Copyright (c) 2005-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _PADLOCK_H_
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#define _PADLOCK_H_
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#include <opencrypto/cryptodev.h>
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#include <crypto/rijndael/rijndael.h>
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union padlock_cw {
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uint64_t raw;
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struct {
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u_int round_count : 4;
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u_int algorithm_type : 3;
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u_int key_generation : 1;
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u_int intermediate : 1;
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u_int direction : 1;
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u_int key_size : 2;
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u_int filler0 : 20;
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u_int filler1 : 32;
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u_int filler2 : 32;
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u_int filler3 : 32;
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} __field;
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};
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#define cw_round_count __field.round_count
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#define cw_algorithm_type __field.algorithm_type
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#define cw_key_generation __field.key_generation
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#define cw_intermediate __field.intermediate
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#define cw_direction __field.direction
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#define cw_key_size __field.key_size
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#define cw_filler0 __field.filler0
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#define cw_filler1 __field.filler1
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#define cw_filler2 __field.filler2
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#define cw_filler3 __field.filler3
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struct padlock_session {
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union padlock_cw ses_cw __aligned(16);
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uint32_t ses_ekey[4 * (RIJNDAEL_MAXNR + 1) + 4] __aligned(16); /* 128 bit aligned */
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uint32_t ses_dkey[4 * (RIJNDAEL_MAXNR + 1) + 4] __aligned(16); /* 128 bit aligned */
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uint8_t ses_iv[16] __aligned(16); /* 128 bit aligned */
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struct auth_hash *ses_axf;
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uint8_t *ses_ictx;
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uint8_t *ses_octx;
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int ses_mlen;
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int ses_used;
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uint32_t ses_id;
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TAILQ_ENTRY(padlock_session) ses_next;
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};
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#define PADLOCK_ALIGN(p) (void *)(roundup2((uintptr_t)(p), 16))
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int padlock_cipher_setup(struct padlock_session *ses,
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struct cryptoini *encini);
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int padlock_cipher_process(struct padlock_session *ses,
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struct cryptodesc *enccrd, struct cryptop *crp);
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int padlock_hash_setup(struct padlock_session *ses,
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struct cryptoini *macini);
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int padlock_hash_process(struct padlock_session *ses,
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struct cryptodesc *maccrd, struct cryptop *crp);
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void padlock_hash_free(struct padlock_session *ses);
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#endif /* !_PADLOCK_H_ */
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