1 /*- 2 * Copyright (c) 2016 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Andrew Turner under 6 * sponsorship from the FreeBSD Foundation. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 #ifndef _ARMV8_CRYPTO_H_ 33 #define _ARMV8_CRYPTO_H_ 34 35 #define AES128_ROUNDS 10 36 #define AES192_ROUNDS 12 37 #define AES256_ROUNDS 14 38 #define AES_SCHED_LEN ((AES256_ROUNDS + 1) * AES_BLOCK_LEN) 39 40 struct armv8_crypto_session { 41 uint32_t enc_schedule[AES_SCHED_LEN/4]; 42 uint32_t dec_schedule[AES_SCHED_LEN/4]; 43 int algo; 44 int rounds; 45 int used; 46 uint32_t id; 47 TAILQ_ENTRY(armv8_crypto_session) next; 48 }; 49 50 void armv8_aes_encrypt_cbc(int, const void *, size_t, const uint8_t *, 51 uint8_t *, const uint8_t[static AES_BLOCK_LEN]); 52 void armv8_aes_decrypt_cbc(int, const void *, size_t, uint8_t *, 53 const uint8_t[static AES_BLOCK_LEN]); 54 55 #endif /* _ARMV8_CRYPTO_H_ */ 56