Electroneum
hash-ops.h
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30 // Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
31 
32 #pragma once
33 
34 #if !defined(__cplusplus)
35 
36 #include <assert.h>
37 #include <stdbool.h>
38 #include <stddef.h>
39 #include <stdint.h>
40 
41 #include "int-util.h"
42 #include "warnings.h"
43 
44 static inline void *padd(void *p, size_t i) {
45  return (char *) p + i;
46 }
47 
48 static inline const void *cpadd(const void *p, size_t i) {
49  return (const char *) p + i;
50 }
51 
54 static_assert(sizeof(size_t) == 4 || sizeof(size_t) == 8, "size_t must be 4 or 8 bytes long");
55 static inline void place_length(uint8_t *buffer, size_t bufsize, size_t length) {
56  if (sizeof(size_t) == 4) {
57  *(uint32_t *) padd(buffer, bufsize - 4) = swap32be(length);
58  } else {
59  *(uint64_t *) padd(buffer, bufsize - 8) = swap64be(length);
60  }
61 }
63 
64 #pragma pack(push, 1)
65 union hash_state {
66  uint8_t b[200];
67  uint64_t w[25];
68 };
69 #pragma pack(pop)
70 static_assert(sizeof(union hash_state) == 200, "Invalid structure size");
71 
72 void hash_permutation(union hash_state *state);
73 void hash_process(union hash_state *state, const uint8_t *buf, size_t count);
74 
75 #endif
76 
77 enum {
78  HASH_SIZE = 32,
80 };
81 
82 void cn_fast_hash(const void *data, size_t length, char *hash);
83 void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed, uint64_t height);
84 
85 void hash_extra_blake(const void *data, size_t length, char *hash);
86 void hash_extra_groestl(const void *data, size_t length, char *hash);
87 void hash_extra_jh(const void *data, size_t length, char *hash);
88 void hash_extra_skein(const void *data, size_t length, char *hash);
89 
90 void tree_hash(const char (*hashes)[HASH_SIZE], size_t count, char *root_hash);
uint8_t b[200]
Definition: hash-ops.h:66
PUSH_WARNINGS
Definition: hash-ops.h:54
void hash_extra_jh(const void *data, size_t length, char *hash)
uint64_t height
Definition: blockchain.cpp:91
unsigned char uint8_t
Definition: stdint.h:124
struct hash_func hashes[]
#define swap32be
Definition: int-util.h:245
void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed, uint64_t height)
void hash_extra_skein(const void *data, size_t length, char *hash)
mdb_size_t count(MDB_cursor *cur)
unsigned int uint32_t
Definition: stdint.h:126
#define POP_WARNINGS
Definition: warnings.h:17
void cn_fast_hash(const void *data, size_t length, char *hash)
uint64_t w[25]
Definition: hash-ops.h:67
void hash_process(union hash_state *state, const uint8_t *buf, size_t count)
unsigned __int64 uint64_t
Definition: stdint.h:136
const char * buf
Definition: slow_memmem.cpp:74
void tree_hash(const char(*hashes)[HASH_SIZE], size_t count, char *root_hash)
void hash_permutation(union hash_state *state)
Definition: blake256.h:37
void hash_extra_blake(const void *data, size_t length, char *hash)
DISABLE_VS_WARNINGS(4244 4345 4503) using namespace crypto
POD_CLASS hash
Definition: hash.h:50
#define swap64be
Definition: int-util.h:253
void hash_extra_groestl(const void *data, size_t length, char *hash)
#define inline
Definition: inline_c.h:35