1 /* 2 * Copyright (C) 2006-2010 Vincent Hanquez <vincent@snarc.org> 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 #ifndef CRYPTOHASH_SKEIN256_H 25 #define CRYPTOHASH_SKEIN256_H 26 27 #include <stdint.h> 28 29 struct skein256_ctx 30 { 31 uint8_t buf[32]; 32 uint64_t h[4]; 33 uint64_t t0; 34 uint64_t t1; 35 uint32_t bufindex; 36 }; 37 38 #define SKEIN256_CTX_SIZE sizeof(struct skein256_ctx) 39 40 void cryponite_skein256_init(struct skein256_ctx *ctx, uint32_t hashlen); 41 void cryponite_skein256_update(struct skein256_ctx *ctx, const uint8_t *data, uint32_t len); 42 void cryponite_skein256_finalize(struct skein256_ctx *ctx, uint32_t hashlen, uint8_t *out); 43 44 #endif 45