/*      $NetBSD: aes_sse2.h,v 1.4 2020/07/25 22:29:56 riastradh Exp $   */

/*-
* Copyright (c) 2020 The NetBSD Foundation, Inc.
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/

#ifndef _CRYPTO_AES_ARCH_X86_AES_SSE2_H
#define _CRYPTO_AES_ARCH_X86_AES_SSE2_H

#include <sys/types.h>

#include <crypto/aes/aes_impl.h>

struct aesenc;
struct aesdec;

/*
* These functions MUST NOT use any vector registers for parameters or
* results -- the caller is compiled with -mno-sse &c. in the kernel,
* and dynamically turns on the vector unit just before calling them.
* Internal subroutines that use the vector unit for parameters are
* declared in aes_sse2_impl.h instead.
*/

void aes_sse2_setkey(uint64_t[static 30], const void *, uint32_t);

void aes_sse2_enc(const struct aesenc *, const uint8_t in[static 16],
   uint8_t[static 16], uint32_t);
void aes_sse2_dec(const struct aesdec *, const uint8_t in[static 16],
   uint8_t[static 16], uint32_t);
void aes_sse2_cbc_enc(const struct aesenc *, const uint8_t[static 16],
   uint8_t[static 16], size_t nbytes, uint8_t[static 16], uint32_t);
void aes_sse2_cbc_dec(const struct aesdec *, const uint8_t[static 16],
   uint8_t[static 16], size_t nbytes, uint8_t[static 16], uint32_t);
void aes_sse2_xts_enc(const struct aesenc *, const uint8_t[static 16],
   uint8_t[static 16], size_t nbytes, uint8_t[static 16], uint32_t);
void aes_sse2_xts_dec(const struct aesdec *, const uint8_t[static 16],
   uint8_t[static 16], size_t nbytes, uint8_t[static 16], uint32_t);
void aes_sse2_cbcmac_update1(const struct aesenc *, const uint8_t[static 16],
   size_t, uint8_t[static 16], uint32_t);
void aes_sse2_ccm_enc1(const struct aesenc *, const uint8_t[static 16],
   uint8_t[static 16], size_t, uint8_t[static 32], uint32_t);
void aes_sse2_ccm_dec1(const struct aesenc *, const uint8_t[static 16],
   uint8_t[static 16], size_t, uint8_t[static 32], uint32_t);

int aes_sse2_selftest(void);

extern struct aes_impl aes_sse2_impl;

#endif  /* _CRYPTO_AES_ARCH_X86_AES_SSE2_H */