1/*	$NetBSD: aes_sse2.h,v 1.4 2020/07/25 22:29:56 riastradh Exp $	*/
2
3/*-
4 * Copyright (c) 2020 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef	_CRYPTO_AES_ARCH_X86_AES_SSE2_H
30#define	_CRYPTO_AES_ARCH_X86_AES_SSE2_H
31
32#include <sys/types.h>
33
34#include <crypto/aes/aes_impl.h>
35
36struct aesenc;
37struct aesdec;
38
39/*
40 * These functions MUST NOT use any vector registers for parameters or
41 * results -- the caller is compiled with -mno-sse &c. in the kernel,
42 * and dynamically turns on the vector unit just before calling them.
43 * Internal subroutines that use the vector unit for parameters are
44 * declared in aes_sse2_impl.h instead.
45 */
46
47void aes_sse2_setkey(uint64_t[static 30], const void *, uint32_t);
48
49void aes_sse2_enc(const struct aesenc *, const uint8_t in[static 16],
50    uint8_t[static 16], uint32_t);
51void aes_sse2_dec(const struct aesdec *, const uint8_t in[static 16],
52    uint8_t[static 16], uint32_t);
53void aes_sse2_cbc_enc(const struct aesenc *, const uint8_t[static 16],
54    uint8_t[static 16], size_t nbytes, uint8_t[static 16], uint32_t);
55void aes_sse2_cbc_dec(const struct aesdec *, const uint8_t[static 16],
56    uint8_t[static 16], size_t nbytes, uint8_t[static 16], uint32_t);
57void aes_sse2_xts_enc(const struct aesenc *, const uint8_t[static 16],
58    uint8_t[static 16], size_t nbytes, uint8_t[static 16], uint32_t);
59void aes_sse2_xts_dec(const struct aesdec *, const uint8_t[static 16],
60    uint8_t[static 16], size_t nbytes, uint8_t[static 16], uint32_t);
61void aes_sse2_cbcmac_update1(const struct aesenc *, const uint8_t[static 16],
62    size_t, uint8_t[static 16], uint32_t);
63void aes_sse2_ccm_enc1(const struct aesenc *, const uint8_t[static 16],
64    uint8_t[static 16], size_t, uint8_t[static 32], uint32_t);
65void aes_sse2_ccm_dec1(const struct aesenc *, const uint8_t[static 16],
66    uint8_t[static 16], size_t, uint8_t[static 32], uint32_t);
67
68int aes_sse2_selftest(void);
69
70extern struct aes_impl aes_sse2_impl;
71
72#endif	/* _CRYPTO_AES_ARCH_X86_AES_SSE2_H */
73