Electroneum
hash-ops.h
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// Copyrights(c) 2017-2021, The Electroneum Project
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// Copyrights(c) 2014-2019, 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 "
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);
hash_state::b
uint8_t b[200]
Definition:
hash-ops.h:66
PUSH_WARNINGS
PUSH_WARNINGS
Definition:
hash-ops.h:54
hash_extra_jh
void hash_extra_jh(const void *data, size_t length, char *hash)
HASH_DATA_AREA
Definition:
hash-ops.h:79
height
uint64_t height
Definition:
blockchain.cpp:91
HASH_SIZE
Definition:
hash-ops.h:78
uint8_t
unsigned char uint8_t
Definition:
stdint.h:124
hashes
struct hash_func hashes[]
swap32be
#define swap32be
Definition:
int-util.h:245
cn_slow_hash
void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed, uint64_t height)
hash_extra_skein
void hash_extra_skein(const void *data, size_t length, char *hash)
lmdb::stream::count
mdb_size_t count(MDB_cursor *cur)
Definition:
value_stream.cpp:39
uint32_t
unsigned int uint32_t
Definition:
stdint.h:126
POP_WARNINGS
#define POP_WARNINGS
Definition:
warnings.h:17
cn_fast_hash
void cn_fast_hash(const void *data, size_t length, char *hash)
hash_state::w
uint64_t w[25]
Definition:
hash-ops.h:67
warnings.h
hash_process
void hash_process(union hash_state *state, const uint8_t *buf, size_t count)
uint64_t
unsigned __int64 uint64_t
Definition:
stdint.h:136
buf
const char * buf
Definition:
slow_memmem.cpp:74
tree_hash
void tree_hash(const char(*hashes)[HASH_SIZE], size_t count, char *root_hash)
int-util.h
hash_permutation
void hash_permutation(union hash_state *state)
stdint.h
state
Definition:
blake256.h:37
hash_extra_blake
void hash_extra_blake(const void *data, size_t length, char *hash)
DISABLE_VS_WARNINGS
DISABLE_VS_WARNINGS(4244 4345 4503) using namespace crypto
crypto::hash
POD_CLASS hash
Definition:
hash.h:50
swap64be
#define swap64be
Definition:
int-util.h:253
stdbool.h
hash_state
Definition:
hash-ops.h:65
hash_extra_groestl
void hash_extra_groestl(const void *data, size_t length, char *hash)
inline
#define inline
Definition:
inline_c.h:35
src
crypto
hash-ops.h
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