67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
// Copyright (c) 2012-2013 The Cryptonote developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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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);
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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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size_t tree_depth(size_t count);
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void tree_branch(const char (*hashes)[HASH_SIZE], size_t count, char (*branch)[HASH_SIZE]);
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void tree_hash_from_branch(const char (*branch)[HASH_SIZE], size_t depth, const char *leaf, const void *path, char *root_hash);
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