forked from lthn/blockchain
06e7780df5
adds this to the bottom of whats there: // Copyright (c) 2017-2025 Lethean (https://lt.hn) // // Licensed under the European Union Public Licence (EUPL) version 1.2. // You may obtain a copy of the licence at: // // https://joinup.ec.europa.eu/software/page/eupl/licence-eupl // // The EUPL is a copyleft licence that is compatible with the MIT/X11 // licence used by the original projects; the MIT terms are therefore // considered “grandfathered” under the EUPL for this code. // // SPDX‑License‑Identifier: EUPL-1.2 //
77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
// Copyright (c) 2014-2018 Zano Project
|
||
// Copyright (c) 2014-2018 The Louisdor Project
|
||
// Copyright (c) 2012-2013 The Boolberry developers
|
||
// Copyright (c) 2017-2025 Lethean (https://lt.hn)
|
||
//
|
||
// Licensed under the European Union Public Licence (EUPL) version 1.2.
|
||
// You may obtain a copy of the licence at:
|
||
//
|
||
// https://joinup.ec.europa.eu/software/page/eupl/licence-eupl
|
||
//
|
||
// The EUPL is a copyleft licence that is compatible with the MIT/X11
|
||
// licence used by the original projects; the MIT terms are therefore
|
||
// considered “grandfathered” under the EUPL for this code.
|
||
//
|
||
// SPDX‑License‑Identifier: EUPL-1.2
|
||
//
|
||
#include "RIPEMD160_helper.h"
|
||
#include "auto_val_init.h"
|
||
extern "C" {
|
||
#include "RIPEMD160.h"
|
||
}
|
||
|
||
#define RMDsize 160
|
||
|
||
namespace crypto {
|
||
|
||
void RIPEMD160_hash(const void *data, size_t length_size_t, hash160 &h)
|
||
{
|
||
|
||
dword MDbuf[RMDsize / 32] = {0}; /* contains (A, B, C, D(, E)) */
|
||
byte* hashcode = (byte*)&h; /* hashcode[RMDsize / 8]; for final hash-value */
|
||
dword X[16] = {0}; /* current 16-word chunk */
|
||
unsigned int i = 0; /* counter */
|
||
dword length = static_cast<dword>(length_size_t); /* length in bytes of message */
|
||
dword nbytes = 0; /* # of bytes not yet processed */
|
||
byte* message = (byte*)data;
|
||
|
||
/* initialize */
|
||
MDinit(MDbuf);
|
||
//length = (dword)strlen((char *)message);
|
||
|
||
/* process message in 16-word chunks */
|
||
for (nbytes = length; nbytes > 63; nbytes -= 64) {
|
||
for (i = 0; i < 16; i++) {
|
||
X[i] = BYTES_TO_DWORD(message);
|
||
message += 4;
|
||
}
|
||
compress(MDbuf, X);
|
||
}/* length mod 64 bytes left */
|
||
|
||
/* finish: */
|
||
MDfinish(MDbuf, message, length, 0);
|
||
|
||
for (i = 0; i < RMDsize / 8; i += 4) {
|
||
hashcode[i] = (byte)MDbuf[i >> 2]; /* implicit cast to byte */
|
||
hashcode[i + 1] = (byte)(MDbuf[i >> 2] >> 8); /* extracts the 8 least */
|
||
hashcode[i + 2] = (byte)(MDbuf[i >> 2] >> 16); /* significant bits. */
|
||
hashcode[i + 3] = (byte)(MDbuf[i >> 2] >> 24);
|
||
}
|
||
}
|
||
|
||
hash160 RIPEMD160_hash(const void *data, size_t length)
|
||
{
|
||
hash160 h = AUTO_VAL_INIT(h);
|
||
RIPEMD160_hash(data, length, h);
|
||
return h;
|
||
}
|
||
|
||
hash RIPEMD160_hash_256(const void *data, size_t length)
|
||
{
|
||
hash160 h = RIPEMD160_hash(data, length);
|
||
hash h256 = AUTO_VAL_INIT(h256);
|
||
memcpy(&h256, &h, sizeof(h));
|
||
return h256;
|
||
}
|
||
|
||
}
|