mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-28 11:57:28 +00:00
5f270659fd
The aeskeys_{amd64,i386}.S content was mostly obtained from OpenBSD,
no objections to the license from core.
Hardware provided by: Sentex Communications
Tested by: fabient, pho (previous versions)
MFC after: 1 month
104 lines
3.7 KiB
C
104 lines
3.7 KiB
C
/*-
|
|
* Copyright (c) 2010 Konstantin Belousov <kib@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 _AESNI_H_
|
|
#define _AESNI_H_
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/queue.h>
|
|
|
|
#include <opencrypto/cryptodev.h>
|
|
|
|
#if defined(__amd64__) || (defined(__i386__) && !defined(PC98))
|
|
#include <machine/cpufunc.h>
|
|
#include <machine/cputypes.h>
|
|
#include <machine/md_var.h>
|
|
#include <machine/specialreg.h>
|
|
#endif
|
|
#if defined(__i386__)
|
|
#include <machine/npx.h>
|
|
#elif defined(__amd64__)
|
|
#include <machine/fpu.h>
|
|
#endif
|
|
|
|
#define AES128_ROUNDS 10
|
|
#define AES192_ROUNDS 12
|
|
#define AES256_ROUNDS 14
|
|
#define AES_SCHED_LEN ((AES256_ROUNDS + 1) * AES_BLOCK_LEN)
|
|
|
|
struct aesni_session {
|
|
uint8_t enc_schedule[AES_SCHED_LEN] __aligned(16);
|
|
uint8_t dec_schedule[AES_SCHED_LEN] __aligned(16);
|
|
uint8_t iv[AES_BLOCK_LEN];
|
|
int rounds;
|
|
/* uint8_t *ses_ictx; */
|
|
/* uint8_t *ses_octx; */
|
|
/* int ses_mlen; */
|
|
int used;
|
|
uint32_t id;
|
|
TAILQ_ENTRY(aesni_session) next;
|
|
struct fpu_kern_ctx fpu_ctx;
|
|
};
|
|
|
|
/*
|
|
* Internal functions, implemented in assembler.
|
|
*/
|
|
void aesni_enc(int rounds, const uint8_t *key_schedule,
|
|
const uint8_t from[AES_BLOCK_LEN], uint8_t to[AES_BLOCK_LEN],
|
|
const uint8_t iv[AES_BLOCK_LEN]);
|
|
void aesni_dec(int rounds, const uint8_t *key_schedule,
|
|
const uint8_t from[AES_BLOCK_LEN], uint8_t to[AES_BLOCK_LEN],
|
|
const uint8_t iv[AES_BLOCK_LEN]);
|
|
void aesni_set_enckey(const uint8_t *userkey, uint8_t *encrypt_schedule,
|
|
int number_of_rounds);
|
|
void aesni_set_deckey(const uint8_t *encrypt_schedule,
|
|
uint8_t *decrypt_schedule, int number_of_rounds);
|
|
|
|
/*
|
|
* Slightly more public interfaces.
|
|
*/
|
|
void aesni_encrypt_cbc(int rounds, const void *key_schedule, size_t len,
|
|
const uint8_t *from, uint8_t *to, const uint8_t iv[AES_BLOCK_LEN]);
|
|
void aesni_decrypt_cbc(int rounds, const void *key_schedule, size_t len,
|
|
const uint8_t *from, const uint8_t iv[AES_BLOCK_LEN]);
|
|
void aesni_encrypt_ecb(int rounds, const void *key_schedule, size_t len,
|
|
const uint8_t from[AES_BLOCK_LEN], uint8_t to[AES_BLOCK_LEN]);
|
|
void aesni_decrypt_ecb(int rounds, const void *key_schedule, size_t len,
|
|
const uint8_t from[AES_BLOCK_LEN], uint8_t to[AES_BLOCK_LEN]);
|
|
|
|
int aesni_cipher_setup(struct aesni_session *ses,
|
|
struct cryptoini *encini);
|
|
int aesni_cipher_process(struct aesni_session *ses,
|
|
struct cryptodesc *enccrd, struct cryptop *crp);
|
|
|
|
uint8_t *aesni_cipher_alloc(struct cryptodesc *enccrd, struct cryptop *crp,
|
|
int *allocated);
|
|
|
|
#endif
|