1 /* $NetBSD: blake2s.h,v 1.1 2020/08/20 21:21:05 riastradh Exp $ */ 2 3 /*- 4 * Copyright (c) 2015 Taylor R. Campbell 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _CRYPTO_BLAKE2_BLAKE2S_H 30 #define _CRYPTO_BLAKE2_BLAKE2S_H 31 32 #ifdef _KERNEL 33 #include <sys/types.h> 34 #else 35 #include <stddef.h> 36 #include <stdint.h> 37 #endif 38 39 struct blake2s { 40 uint8_t b[64]; /* 64-byte buffer */ 41 uint32_t h[8]; /* 32-byte state */ 42 uint64_t c; /* 64-bit input byte counter */ 43 uint8_t nb; /* number of bytes in buffer */ 44 uint8_t dlen; /* digest length */ 45 }; 46 47 #define BLAKE2S_MAX_DIGEST 32 48 #define BLAKE2S_MAX_KEY 32 49 50 void blake2s_init(struct blake2s *, size_t, const void *, size_t); 51 void blake2s_update(struct blake2s *, const void *, size_t); 52 void blake2s_final(struct blake2s *, void *); 53 void blake2s(void *, size_t, const void *, size_t, const void *, size_t); 54 int blake2s_selftest(void); 55 56 #endif /* _CRYPTO_BLAKE2_BLAKE2S_H */ 57