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89 lines
3.2 KiB
C
89 lines
3.2 KiB
C
// Copyright (c) 2014-2018, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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#pragma once
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#if !defined(__cplusplus)
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#include <assert.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "common/int-util.h"
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#include "warnings.h"
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static inline void *padd(void *p, size_t i) {
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return (char *) p + i;
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}
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static inline const void *cpadd(const void *p, size_t i) {
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return (const char *) p + i;
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}
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PUSH_WARNINGS
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DISABLE_VS_WARNINGS(4267)
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static_assert(sizeof(size_t) == 4 || sizeof(size_t) == 8, "size_t must be 4 or 8 bytes long");
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static inline void place_length(uint8_t *buffer, size_t bufsize, size_t length) {
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if (sizeof(size_t) == 4) {
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*(uint32_t *) padd(buffer, bufsize - 4) = swap32be(length);
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} else {
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*(uint64_t *) padd(buffer, bufsize - 8) = swap64be(length);
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}
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}
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POP_WARNINGS
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#pragma pack(push, 1)
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union hash_state {
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uint8_t b[200];
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uint64_t w[25];
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};
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#pragma pack(pop)
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static_assert(sizeof(union hash_state) == 200, "Invalid structure size");
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void hash_permutation(union hash_state *state);
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void hash_process(union hash_state *state, const uint8_t *buf, size_t count);
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#endif
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enum {
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HASH_SIZE = 32,
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HASH_DATA_AREA = 136
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};
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void cn_fast_hash(const void *data, size_t length, char *hash);
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void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed, uint64_t height);
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void hash_extra_blake(const void *data, size_t length, char *hash);
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void hash_extra_groestl(const void *data, size_t length, char *hash);
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void hash_extra_jh(const void *data, size_t length, char *hash);
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void hash_extra_skein(const void *data, size_t length, char *hash);
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void tree_hash(const char (*hashes)[HASH_SIZE], size_t count, char *root_hash);
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