diff options
Diffstat (limited to 'sys/crypto/via/padlock.h')
| -rw-r--r-- | sys/crypto/via/padlock.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/sys/crypto/via/padlock.h b/sys/crypto/via/padlock.h new file mode 100644 index 0000000..29eed52 --- /dev/null +++ b/sys/crypto/via/padlock.h @@ -0,0 +1,87 @@ +/*- + * 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> + +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 */ + uint8_t ses_iv[16] __aligned(16); /* 128 bit aligned */ + struct auth_hash *ses_axf; + uint8_t *ses_ictx; + uint8_t *ses_octx; + int ses_mlen; + int ses_used; + uint32_t ses_id; + TAILQ_ENTRY(padlock_session) ses_next; +}; + +#define PADLOCK_ALIGN(p) (void *)((char *)(p) - ((uintptr_t)(p) % 16) + 16) + +int padlock_cipher_setup(struct padlock_session *ses, + struct cryptoini *encini); +int padlock_cipher_process(struct padlock_session *ses, + struct cryptodesc *enccrd, struct cryptop *crp); +int padlock_hash_setup(struct padlock_session *ses, + struct cryptoini *macini); +int padlock_hash_process(struct padlock_session *ses, + struct cryptodesc *maccrd, struct cryptop *crp); +void padlock_hash_free(struct padlock_session *ses); + +#endif /* !_PADLOCK_H_ */ |
