1bf59137be
ported over from Dogecoin and Litecoin (cherry picked from commit 8b09dad2d506fc5a6239863b1c0e33bf7e84da00)
47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
// Copyright (c) 2013-2014 Dogecoin Developers
|
|
|
|
#ifndef SCRYPT_H
|
|
#define SCRYPT_H
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
|
|
static const int SCRYPT_SCRATCHPAD_SIZE = 131072 + 63;
|
|
|
|
void scrypt_1024_1_1_256(const char *input, char *output);
|
|
void scrypt_1024_1_1_256_sp_generic(const char *input, char *output, char *scratchpad);
|
|
|
|
#if defined(USE_SSE2)
|
|
#if defined(_M_X64) || defined(__x86_64__) || defined(_M_AMD64) || (defined(MAC_OSX) && defined(__i386__))
|
|
#define USE_SSE2_ALWAYS 1
|
|
#define scrypt_1024_1_1_256_sp(input, output, scratchpad) scrypt_1024_1_1_256_sp_sse2((input), (output), (scratchpad))
|
|
#else
|
|
#define scrypt_1024_1_1_256_sp(input, output, scratchpad) scrypt_1024_1_1_256_sp_detected((input), (output), (scratchpad))
|
|
#endif
|
|
|
|
void scrypt_detect_sse2();
|
|
void scrypt_1024_1_1_256_sp_sse2(const char *input, char *output, char *scratchpad);
|
|
extern void (*scrypt_1024_1_1_256_sp_detected)(const char *input, char *output, char *scratchpad);
|
|
#else
|
|
#define scrypt_1024_1_1_256_sp(input, output, scratchpad) scrypt_1024_1_1_256_sp_generic((input), (output), (scratchpad))
|
|
#endif
|
|
|
|
void
|
|
PBKDF2_SHA256(const uint8_t *passwd, size_t passwdlen, const uint8_t *salt,
|
|
size_t saltlen, uint64_t c, uint8_t *buf, size_t dkLen);
|
|
|
|
static inline uint32_t le32dec(const void *pp)
|
|
{
|
|
const uint8_t *p = (uint8_t const *)pp;
|
|
return ((uint32_t)(p[0]) + ((uint32_t)(p[1]) << 8) +
|
|
((uint32_t)(p[2]) << 16) + ((uint32_t)(p[3]) << 24));
|
|
}
|
|
|
|
static inline void le32enc(void *pp, uint32_t x)
|
|
{
|
|
uint8_t *p = (uint8_t *)pp;
|
|
p[0] = x & 0xff;
|
|
p[1] = (x >> 8) & 0xff;
|
|
p[2] = (x >> 16) & 0xff;
|
|
p[3] = (x >> 24) & 0xff;
|
|
}
|
|
#endif |