aes_neon_impl.h revision 1.2
1/* $NetBSD: aes_neon_impl.h,v 1.2 2020/07/28 20:11:09 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_ARM_AES_NEON_IMPL_H 30#define _CRYPTO_AES_ARCH_ARM_AES_NEON_IMPL_H 31 32#include <sys/types.h> 33 34#include "arm_neon.h" 35 36#include <crypto/aes/aes.h> 37#include <crypto/aes/arch/arm/aes_neon.h> 38 39uint8x16_t aes_neon_enc1(const struct aesenc *, uint8x16_t, unsigned); 40uint8x16_t aes_neon_dec1(const struct aesdec *, uint8x16_t, unsigned); 41 42#ifdef __aarch64__ 43 44uint8x16x2_t aes_neon_enc2(const struct aesenc *, uint8x16x2_t, unsigned); 45uint8x16x2_t aes_neon_dec2(const struct aesdec *, uint8x16x2_t, unsigned); 46 47#else 48 49static inline uint8x16x2_t 50aes_neon_enc2(const struct aesenc *enc, uint8x16x2_t b2, unsigned nrounds) 51{ 52 53 return (uint8x16x2_t) { .val = { 54 [0] = aes_neon_enc1(enc, b2.val[0], nrounds), 55 [1] = aes_neon_enc1(enc, b2.val[1], nrounds), 56 } }; 57} 58 59static inline uint8x16x2_t 60aes_neon_dec2(const struct aesdec *dec, uint8x16x2_t b2, unsigned nrounds) 61{ 62 63 return (uint8x16x2_t) { .val = { 64 [0] = aes_neon_dec1(dec, b2.val[0], nrounds), 65 [1] = aes_neon_dec1(dec, b2.val[1], nrounds), 66 } }; 67} 68 69#endif 70 71#endif /* _CRYPTO_AES_ARCH_ARM_AES_NEON_IMPL_H */ 72