xref: /freebsd/sys/crypto/via/padlock.h (revision 3b0e353fe64221b6fbb335348b4a54d12de95243)
15333bd47SPawel Jakub Dawidek /*-
25333bd47SPawel Jakub Dawidek  * Copyright (c) 2005-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
35333bd47SPawel Jakub Dawidek  * All rights reserved.
45333bd47SPawel Jakub Dawidek  *
55333bd47SPawel Jakub Dawidek  * Redistribution and use in source and binary forms, with or without
65333bd47SPawel Jakub Dawidek  * modification, are permitted provided that the following conditions
75333bd47SPawel Jakub Dawidek  * are met:
85333bd47SPawel Jakub Dawidek  * 1. Redistributions of source code must retain the above copyright
95333bd47SPawel Jakub Dawidek  *    notice, this list of conditions and the following disclaimer.
105333bd47SPawel Jakub Dawidek  * 2. Redistributions in binary form must reproduce the above copyright
115333bd47SPawel Jakub Dawidek  *    notice, this list of conditions and the following disclaimer in the
125333bd47SPawel Jakub Dawidek  *    documentation and/or other materials provided with the distribution.
135333bd47SPawel Jakub Dawidek  *
145333bd47SPawel Jakub Dawidek  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
155333bd47SPawel Jakub Dawidek  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
165333bd47SPawel Jakub Dawidek  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
175333bd47SPawel Jakub Dawidek  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
185333bd47SPawel Jakub Dawidek  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
195333bd47SPawel Jakub Dawidek  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
205333bd47SPawel Jakub Dawidek  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
215333bd47SPawel Jakub Dawidek  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
225333bd47SPawel Jakub Dawidek  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
235333bd47SPawel Jakub Dawidek  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
245333bd47SPawel Jakub Dawidek  * SUCH DAMAGE.
255333bd47SPawel Jakub Dawidek  */
265333bd47SPawel Jakub Dawidek 
275333bd47SPawel Jakub Dawidek #ifndef _PADLOCK_H_
285333bd47SPawel Jakub Dawidek #define _PADLOCK_H_
295333bd47SPawel Jakub Dawidek 
305333bd47SPawel Jakub Dawidek #include <opencrypto/cryptodev.h>
315333bd47SPawel Jakub Dawidek #include <crypto/rijndael/rijndael.h>
325333bd47SPawel Jakub Dawidek 
335333bd47SPawel Jakub Dawidek union padlock_cw {
345333bd47SPawel Jakub Dawidek 	uint64_t raw;
355333bd47SPawel Jakub Dawidek 	struct {
365333bd47SPawel Jakub Dawidek 		u_int round_count : 4;
375333bd47SPawel Jakub Dawidek 		u_int algorithm_type : 3;
385333bd47SPawel Jakub Dawidek 		u_int key_generation : 1;
395333bd47SPawel Jakub Dawidek 		u_int intermediate : 1;
405333bd47SPawel Jakub Dawidek 		u_int direction : 1;
415333bd47SPawel Jakub Dawidek 		u_int key_size : 2;
425333bd47SPawel Jakub Dawidek 		u_int filler0 : 20;
435333bd47SPawel Jakub Dawidek 		u_int filler1 : 32;
445333bd47SPawel Jakub Dawidek 		u_int filler2 : 32;
455333bd47SPawel Jakub Dawidek 		u_int filler3 : 32;
465333bd47SPawel Jakub Dawidek 	} __field;
475333bd47SPawel Jakub Dawidek };
485333bd47SPawel Jakub Dawidek #define	cw_round_count		__field.round_count
495333bd47SPawel Jakub Dawidek #define	cw_algorithm_type	__field.algorithm_type
505333bd47SPawel Jakub Dawidek #define	cw_key_generation	__field.key_generation
515333bd47SPawel Jakub Dawidek #define	cw_intermediate		__field.intermediate
525333bd47SPawel Jakub Dawidek #define	cw_direction		__field.direction
535333bd47SPawel Jakub Dawidek #define	cw_key_size		__field.key_size
545333bd47SPawel Jakub Dawidek #define	cw_filler0		__field.filler0
555333bd47SPawel Jakub Dawidek #define	cw_filler1		__field.filler1
565333bd47SPawel Jakub Dawidek #define	cw_filler2		__field.filler2
575333bd47SPawel Jakub Dawidek #define	cw_filler3		__field.filler3
585333bd47SPawel Jakub Dawidek 
595333bd47SPawel Jakub Dawidek struct padlock_session {
605333bd47SPawel Jakub Dawidek 	union padlock_cw ses_cw __aligned(16);
615333bd47SPawel Jakub Dawidek 	uint32_t	ses_ekey[4 * (RIJNDAEL_MAXNR + 1) + 4] __aligned(16);	/* 128 bit aligned */
625333bd47SPawel Jakub Dawidek 	uint32_t	ses_dkey[4 * (RIJNDAEL_MAXNR + 1) + 4] __aligned(16);	/* 128 bit aligned */
63*d8787d4fSMark Johnston 	const struct auth_hash *ses_axf;
645333bd47SPawel Jakub Dawidek 	uint8_t		*ses_ictx;
655333bd47SPawel Jakub Dawidek 	uint8_t		*ses_octx;
665333bd47SPawel Jakub Dawidek 	int		ses_mlen;
675333bd47SPawel Jakub Dawidek };
685333bd47SPawel Jakub Dawidek 
69d5db4f4fSPawel Jakub Dawidek #define	PADLOCK_ALIGN(p)	(void *)(roundup2((uintptr_t)(p), 16))
705333bd47SPawel Jakub Dawidek 
715333bd47SPawel Jakub Dawidek int	padlock_cipher_setup(struct padlock_session *ses,
72c0341432SJohn Baldwin 	    const struct crypto_session_params *csp);
735333bd47SPawel Jakub Dawidek int	padlock_cipher_process(struct padlock_session *ses,
74c0341432SJohn Baldwin 	    struct cryptop *crp, const struct crypto_session_params *csp);
75c0341432SJohn Baldwin bool	padlock_hash_check(const struct crypto_session_params *csp);
765333bd47SPawel Jakub Dawidek int	padlock_hash_setup(struct padlock_session *ses,
77c0341432SJohn Baldwin 	    const struct crypto_session_params *csp);
785333bd47SPawel Jakub Dawidek int	padlock_hash_process(struct padlock_session *ses,
79c0341432SJohn Baldwin 	    struct cryptop *crp, const struct crypto_session_params *csp);
805333bd47SPawel Jakub Dawidek void	padlock_hash_free(struct padlock_session *ses);
815333bd47SPawel Jakub Dawidek 
825333bd47SPawel Jakub Dawidek #endif	/* !_PADLOCK_H_ */
83