1 /* $NetBSD: chacha_impl.h,v 1.1 2020/07/25 22:46:34 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 _SYS_CRYPTO_CHACHA_CHACHA_IMPL_H 30 #define _SYS_CRYPTO_CHACHA_CHACHA_IMPL_H 31 32 #ifdef _KERNEL 33 #include <sys/types.h> 34 #include <sys/systm.h> 35 #else 36 #include <stdint.h> 37 #include <string.h> 38 #endif 39 40 #include <crypto/chacha/chacha.h> 41 42 struct chacha_impl { 43 const char *ci_name; 44 int (*ci_probe)(void); 45 void (*ci_chacha_core)(uint8_t[restrict static CHACHA_CORE_OUTBYTES], 46 const uint8_t[static CHACHA_CORE_INBYTES], 47 const uint8_t[static CHACHA_CORE_KEYBYTES], 48 const uint8_t[static CHACHA_CORE_CONSTBYTES], 49 unsigned); 50 void (*ci_hchacha)(uint8_t[restrict static HCHACHA_OUTBYTES], 51 const uint8_t[static HCHACHA_INBYTES], 52 const uint8_t[static HCHACHA_KEYBYTES], 53 const uint8_t[static HCHACHA_CONSTBYTES], 54 unsigned); 55 void (*ci_chacha_stream)(uint8_t *restrict, size_t, 56 uint32_t, 57 const uint8_t[static CHACHA_STREAM_NONCEBYTES], 58 const uint8_t[static CHACHA_STREAM_KEYBYTES], 59 unsigned); 60 void (*ci_chacha_stream_xor)(uint8_t *, const uint8_t *, 61 size_t, 62 uint32_t, 63 const uint8_t[static CHACHA_STREAM_NONCEBYTES], 64 const uint8_t[static CHACHA_STREAM_KEYBYTES], 65 unsigned); 66 void (*ci_xchacha_stream)(uint8_t *restrict, size_t, 67 uint32_t, 68 const uint8_t[static XCHACHA_STREAM_NONCEBYTES], 69 const uint8_t[static XCHACHA_STREAM_KEYBYTES], 70 unsigned); 71 void (*ci_xchacha_stream_xor)(uint8_t *, const uint8_t *, 72 size_t, 73 uint32_t, 74 const uint8_t[static XCHACHA_STREAM_NONCEBYTES], 75 const uint8_t[static XCHACHA_STREAM_KEYBYTES], 76 unsigned); 77 }; 78 79 int chacha_selftest(const struct chacha_impl *); 80 81 void chacha_md_init(const struct chacha_impl *); 82 83 #endif /* _SYS_CRYPTO_CHACHA_CHACHA_IMPL_H */ 84