GOSTcoin support for ccminer CUDA miner project, compatible with most nvidia cards
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/**
* BLAKE2 reference source code package - reference C implementations
*
* Written in 2012 by Samuel Neves <sneves@dei.uc.pt>
*
* To the extent possible under law, the author(s) have dedicated all copyright
* and related and neighboring rights to this software to the public domain
* worldwide. This software is distributed without any warranty.
*
* You should have received a copy of the CC0 Public Domain Dedication along with
* this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
*/
#pragma once
#ifndef __BLAKE2_H__
#define __BLAKE2_H__
#include <stddef.h>
#include <stdint.h>
#if defined(_MSC_VER)
#include <inttypes.h>
#define inline __inline
#define ALIGN(x) __declspec(align(x))
#else
#define ALIGN(x) __attribute__((aligned(x)))
#endif
/* blake2-impl.h */
static inline uint32_t load32(const void *src)
{
#if defined(NATIVE_LITTLE_ENDIAN)
return *(uint32_t *)(src);
#else
const uint8_t *p = (uint8_t *)src;
uint32_t w = *p++;
w |= (uint32_t)(*p++) << 8;
w |= (uint32_t)(*p++) << 16;
w |= (uint32_t)(*p++) << 24;
return w;
#endif
}
static inline void store32(void *dst, uint32_t w)
{
#if defined(NATIVE_LITTLE_ENDIAN)
*(uint32_t *)(dst) = w;
#else
uint8_t *p = (uint8_t *)dst;
*p++ = (uint8_t)w; w >>= 8;
*p++ = (uint8_t)w; w >>= 8;
*p++ = (uint8_t)w; w >>= 8;
*p++ = (uint8_t)w;
#endif
}
static inline uint64_t load48(const void *src)
{
const uint8_t *p = (const uint8_t *)src;
uint64_t w = *p++;
w |= (uint64_t)(*p++) << 8;
w |= (uint64_t)(*p++) << 16;
w |= (uint64_t)(*p++) << 24;
w |= (uint64_t)(*p++) << 32;
w |= (uint64_t)(*p++) << 40;
return w;
}
static inline void store48(void *dst, uint64_t w)
{
uint8_t *p = (uint8_t *)dst;
*p++ = (uint8_t)w; w >>= 8;
*p++ = (uint8_t)w; w >>= 8;
*p++ = (uint8_t)w; w >>= 8;
*p++ = (uint8_t)w; w >>= 8;
*p++ = (uint8_t)w; w >>= 8;
*p++ = (uint8_t)w;
}
/* prevents compiler optimizing out memset() */
static inline void secure_zero_memory(void *v, size_t n)
{
volatile uint8_t *p = ( volatile uint8_t * )v;
while( n-- ) *p++ = 0;
}
/* blake2.h */
enum blake2s_constant
{
BLAKE2S_BLOCKBYTES = 64,
BLAKE2S_OUTBYTES = 32,
BLAKE2S_KEYBYTES = 32,
BLAKE2S_SALTBYTES = 8,
BLAKE2S_PERSONALBYTES = 8
};
#pragma pack(push, 1)
typedef struct __blake2s_param
{
uint8_t digest_length; // 1
uint8_t key_length; // 2
uint8_t fanout; // 3
uint8_t depth; // 4
uint32_t leaf_length; // 8
uint8_t node_offset[6];// 14
uint8_t node_depth; // 15
uint8_t inner_length; // 16
// uint8_t reserved[0];
uint8_t salt[BLAKE2S_SALTBYTES]; // 24
uint8_t personal[BLAKE2S_PERSONALBYTES]; // 32
} blake2s_param;
ALIGN( 64 ) typedef struct __blake2s_state
{
uint32_t h[8];
uint32_t t[2];
uint32_t f[2];
uint8_t buf[2 * BLAKE2S_BLOCKBYTES];
size_t buflen;
uint8_t last_node;
} blake2s_state;
#pragma pack(pop)
#if defined(__cplusplus)
extern "C" {
#endif
int blake2s_compress( blake2s_state *S, const uint8_t block[BLAKE2S_BLOCKBYTES] );
// Streaming API
int blake2s_init( blake2s_state *S, const uint8_t outlen );
int blake2s_init_key( blake2s_state *S, const uint8_t outlen, const void *key, const uint8_t keylen );
int blake2s_init_param( blake2s_state *S, const blake2s_param *P );
int blake2s_update( blake2s_state *S, const uint8_t *in, uint64_t inlen );
int blake2s_final( blake2s_state *S, uint8_t *out, uint8_t outlen );
// Simple API
int blake2s( uint8_t *out, const void *in, const void *key, const uint8_t outlen, const uint64_t inlen, uint8_t keylen );
// Direct Hash Mining Helpers
#define blake2s_salt32(out, in, inlen, key32) blake2s(out, in, key32, 32, inlen, 32) /* neoscrypt */
#define blake2s_simple(out, in, inlen) blake2s(out, in, NULL, 32, inlen, 0)
#if defined(__cplusplus)
}
#endif
#endif