1*fa791526Sriastradh /* $NetBSD: chacha_impl.h,v 1.1 2020/07/25 22:46:34 riastradh Exp $ */ 2*fa791526Sriastradh 3*fa791526Sriastradh /*- 4*fa791526Sriastradh * Copyright (c) 2020 The NetBSD Foundation, Inc. 5*fa791526Sriastradh * All rights reserved. 6*fa791526Sriastradh * 7*fa791526Sriastradh * Redistribution and use in source and binary forms, with or without 8*fa791526Sriastradh * modification, are permitted provided that the following conditions 9*fa791526Sriastradh * are met: 10*fa791526Sriastradh * 1. Redistributions of source code must retain the above copyright 11*fa791526Sriastradh * notice, this list of conditions and the following disclaimer. 12*fa791526Sriastradh * 2. Redistributions in binary form must reproduce the above copyright 13*fa791526Sriastradh * notice, this list of conditions and the following disclaimer in the 14*fa791526Sriastradh * documentation and/or other materials provided with the distribution. 15*fa791526Sriastradh * 16*fa791526Sriastradh * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17*fa791526Sriastradh * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18*fa791526Sriastradh * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19*fa791526Sriastradh * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20*fa791526Sriastradh * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21*fa791526Sriastradh * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22*fa791526Sriastradh * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23*fa791526Sriastradh * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24*fa791526Sriastradh * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25*fa791526Sriastradh * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26*fa791526Sriastradh * POSSIBILITY OF SUCH DAMAGE. 27*fa791526Sriastradh */ 28*fa791526Sriastradh 29*fa791526Sriastradh #ifndef _SYS_CRYPTO_CHACHA_CHACHA_IMPL_H 30*fa791526Sriastradh #define _SYS_CRYPTO_CHACHA_CHACHA_IMPL_H 31*fa791526Sriastradh 32*fa791526Sriastradh #ifdef _KERNEL 33*fa791526Sriastradh #include <sys/types.h> 34*fa791526Sriastradh #include <sys/systm.h> 35*fa791526Sriastradh #else 36*fa791526Sriastradh #include <stdint.h> 37*fa791526Sriastradh #include <string.h> 38*fa791526Sriastradh #endif 39*fa791526Sriastradh 40*fa791526Sriastradh #include <crypto/chacha/chacha.h> 41*fa791526Sriastradh 42*fa791526Sriastradh struct chacha_impl { 43*fa791526Sriastradh const char *ci_name; 44*fa791526Sriastradh int (*ci_probe)(void); 45*fa791526Sriastradh void (*ci_chacha_core)(uint8_t[restrict static CHACHA_CORE_OUTBYTES], 46*fa791526Sriastradh const uint8_t[static CHACHA_CORE_INBYTES], 47*fa791526Sriastradh const uint8_t[static CHACHA_CORE_KEYBYTES], 48*fa791526Sriastradh const uint8_t[static CHACHA_CORE_CONSTBYTES], 49*fa791526Sriastradh unsigned); 50*fa791526Sriastradh void (*ci_hchacha)(uint8_t[restrict static HCHACHA_OUTBYTES], 51*fa791526Sriastradh const uint8_t[static HCHACHA_INBYTES], 52*fa791526Sriastradh const uint8_t[static HCHACHA_KEYBYTES], 53*fa791526Sriastradh const uint8_t[static HCHACHA_CONSTBYTES], 54*fa791526Sriastradh unsigned); 55*fa791526Sriastradh void (*ci_chacha_stream)(uint8_t *restrict, size_t, 56*fa791526Sriastradh uint32_t, 57*fa791526Sriastradh const uint8_t[static CHACHA_STREAM_NONCEBYTES], 58*fa791526Sriastradh const uint8_t[static CHACHA_STREAM_KEYBYTES], 59*fa791526Sriastradh unsigned); 60*fa791526Sriastradh void (*ci_chacha_stream_xor)(uint8_t *, const uint8_t *, 61*fa791526Sriastradh size_t, 62*fa791526Sriastradh uint32_t, 63*fa791526Sriastradh const uint8_t[static CHACHA_STREAM_NONCEBYTES], 64*fa791526Sriastradh const uint8_t[static CHACHA_STREAM_KEYBYTES], 65*fa791526Sriastradh unsigned); 66*fa791526Sriastradh void (*ci_xchacha_stream)(uint8_t *restrict, size_t, 67*fa791526Sriastradh uint32_t, 68*fa791526Sriastradh const uint8_t[static XCHACHA_STREAM_NONCEBYTES], 69*fa791526Sriastradh const uint8_t[static XCHACHA_STREAM_KEYBYTES], 70*fa791526Sriastradh unsigned); 71*fa791526Sriastradh void (*ci_xchacha_stream_xor)(uint8_t *, const uint8_t *, 72*fa791526Sriastradh size_t, 73*fa791526Sriastradh uint32_t, 74*fa791526Sriastradh const uint8_t[static XCHACHA_STREAM_NONCEBYTES], 75*fa791526Sriastradh const uint8_t[static XCHACHA_STREAM_KEYBYTES], 76*fa791526Sriastradh unsigned); 77*fa791526Sriastradh }; 78*fa791526Sriastradh 79*fa791526Sriastradh int chacha_selftest(const struct chacha_impl *); 80*fa791526Sriastradh 81*fa791526Sriastradh void chacha_md_init(const struct chacha_impl *); 82*fa791526Sriastradh 83*fa791526Sriastradh #endif /* _SYS_CRYPTO_CHACHA_CHACHA_IMPL_H */ 84