1 /* $NetBSD: aes_impl.h,v 1.2 2020/07/25 22:27:53 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_AES_IMPL_H 30 #define _CRYPTO_AES_AES_IMPL_H 31 32 #include <sys/types.h> 33 34 struct aesenc; 35 struct aesdec; 36 37 struct aes_impl { 38 const char *ai_name; 39 int (*ai_probe)(void); 40 void (*ai_setenckey)(struct aesenc *, const uint8_t *, uint32_t); 41 void (*ai_setdeckey)(struct aesdec *, const uint8_t *, uint32_t); 42 void (*ai_enc)(const struct aesenc *, const uint8_t[static 16], 43 uint8_t[static 16], uint32_t); 44 void (*ai_dec)(const struct aesdec *, const uint8_t[static 16], 45 uint8_t[static 16], uint32_t); 46 void (*ai_cbc_enc)(const struct aesenc *, const uint8_t[static 16], 47 uint8_t[static 16], size_t, uint8_t[static 16], uint32_t); 48 void (*ai_cbc_dec)(const struct aesdec *, const uint8_t[static 16], 49 uint8_t[static 16], size_t, uint8_t[static 16], uint32_t); 50 void (*ai_xts_enc)(const struct aesenc *, const uint8_t[static 16], 51 uint8_t[static 16], size_t, uint8_t[static 16], uint32_t); 52 void (*ai_xts_dec)(const struct aesdec *, const uint8_t[static 16], 53 uint8_t[static 16], size_t, uint8_t[static 16], uint32_t); 54 void (*ai_cbcmac_update1)(const struct aesenc *, 55 const uint8_t[static 16], size_t, uint8_t[static 16], 56 uint32_t); 57 void (*ai_ccm_enc1)(const struct aesenc *, 58 const uint8_t[static 16], uint8_t[static 16], 59 size_t, uint8_t[static 32], uint32_t); 60 void (*ai_ccm_dec1)(const struct aesenc *, 61 const uint8_t[static 16], uint8_t[static 16], 62 size_t, uint8_t[static 32], uint32_t); 63 }; 64 65 void aes_md_init(const struct aes_impl *); 66 67 int aes_selftest(const struct aes_impl *); 68 69 /* Internal subroutines dispatched to implementation for AES-CCM. */ 70 void aes_cbcmac_update1(const struct aesenc *, const uint8_t[static 16], 71 size_t, uint8_t[static 16], uint32_t); 72 void aes_ccm_enc1(const struct aesenc *, const uint8_t[static 16], 73 uint8_t[static 16], size_t, uint8_t[static 32], uint32_t); 74 void aes_ccm_dec1(const struct aesenc *, const uint8_t[static 16], 75 uint8_t[static 16], size_t, uint8_t[static 32], uint32_t); 76 77 #endif /* _CRYPTO_AES_AES_IMPL_H */ 78