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quark.c
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quark.c
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/*-
* Copyright 2009 Colin Percival, 2011 ArtForz, 2013 Neisklar,
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file was originally written by Colin Percival as part of the Tarsnap
* online backup system.
*/
#include "quark.h"
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include "sha3/sph_blake.h"
#include "sha3/sph_bmw.h"
#include "sha3/sph_groestl.h"
#include "sha3/sph_jh.h"
#include "sha3/sph_keccak.h"
#include "sha3/sph_skein.h"
static __inline uint32_t
be32dec(const void *pp)
{
const uint8_t *p = (uint8_t const *)pp;
return ((uint32_t)(p[3]) + ((uint32_t)(p[2]) << 8) +
((uint32_t)(p[1]) << 16) + ((uint32_t)(p[0]) << 24));
}
static __inline void
be32enc(void *pp, uint32_t x)
{
uint8_t * p = (uint8_t *)pp;
p[3] = x & 0xff;
p[2] = (x >> 8) & 0xff;
p[1] = (x >> 16) & 0xff;
p[0] = (x >> 24) & 0xff;
}
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;
}
/*
* Encode a length len/4 vector of (uint32_t) into a length len vector of
* (unsigned char) in big-endian form. Assumes len is a multiple of 4.
*/
static void
be32enc_vect(unsigned char *dst, const uint32_t *src, uint32_t len)
{
size_t i;
for (i = 0; i < len / 4; i++)
be32enc(dst + i * 4, src[i]);
}
/*
* Decode a big-endian length len vector of (unsigned char) into a length
* len/4 vector of (uint32_t). Assumes len is a multiple of 4.
*/
static void
be32dec_vect(uint32_t *dst, const unsigned char *src, uint32_t len)
{
size_t i;
for (i = 0; i < len / 4; i++)
dst[i] = be32dec(src + i * 4);
}
void quark_hash(const char* input, char* output, uint32_t len)
{
sph_blake512_context ctx_blake;
sph_bmw512_context ctx_bmw;
sph_groestl512_context ctx_groestl;
sph_jh512_context ctx_jh;
sph_keccak512_context ctx_keccak;
sph_skein512_context ctx_skein;
uint32_t mask = 8;
uint32_t zero = 0;
uint32_t hashA[16], hashB[16];
sph_blake512_init(&ctx_blake);
sph_blake512 (&ctx_blake, input, len);
sph_blake512_close (&ctx_blake, hashA); //0
sph_bmw512_init(&ctx_bmw);
sph_bmw512 (&ctx_bmw, hashA, 64); //0
sph_bmw512_close(&ctx_bmw, hashB); //1
if ((hashB[0] & mask) != zero) //1
{
sph_groestl512_init(&ctx_groestl);
sph_groestl512 (&ctx_groestl, hashB, 64); //1
sph_groestl512_close(&ctx_groestl, hashA); //2
}
else
{
sph_skein512_init(&ctx_skein);
sph_skein512 (&ctx_skein, hashB, 64); //1
sph_skein512_close(&ctx_skein, hashA); //2
}
sph_groestl512_init(&ctx_groestl);
sph_groestl512 (&ctx_groestl, hashA, 64); //2
sph_groestl512_close(&ctx_groestl, hashB); //3
sph_jh512_init(&ctx_jh);
sph_jh512 (&ctx_jh, hashB, 64); //3
sph_jh512_close(&ctx_jh, hashA); //4
if ((hashA[0] & mask) != zero) //4
{
sph_blake512_init(&ctx_blake);
sph_blake512 (&ctx_blake, hashA, 64); //
sph_blake512_close(&ctx_blake, hashB); //5
}
else
{
sph_bmw512_init(&ctx_bmw);
sph_bmw512 (&ctx_bmw, hashA, 64); //4
sph_bmw512_close(&ctx_bmw, hashB); //5
}
sph_keccak512_init(&ctx_keccak);
sph_keccak512 (&ctx_keccak,hashB, 64); //5
sph_keccak512_close(&ctx_keccak, hashA); //6
sph_skein512_init(&ctx_skein);
sph_skein512 (&ctx_skein, hashA, 64); //6
sph_skein512_close(&ctx_skein, hashB); //7
if ((hashB[0] & mask) != zero) //7
{
sph_keccak512_init(&ctx_keccak);
sph_keccak512 (&ctx_keccak, hashB, 64); //
sph_keccak512_close(&ctx_keccak, hashA); //8
}
else
{
sph_jh512_init(&ctx_jh);
sph_jh512 (&ctx_jh, hashB, 64); //7
sph_jh512_close(&ctx_jh, hashA); //8
}
memcpy(output, hashA, 32);
/*
printf("result: ");
for (ii=0; ii < 32; ii++)
{
printf ("%.2x",((uint8_t*)output)[ii]);
}
printf ("\n");
*/
}