x11.c

/*-
 * 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 "x11.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"
#include "sha3/sph_simd.h"
#include "sha3/sph_types.h"
#include "sha3/sph_luffa.h"
#include "sha3/sph_shavite.h"
#include "sha3/sph_echo.h"
#include "sha3/sph_cubehash.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, size_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, size_t len)
{
	size_t i;

	for (i = 0; i < len / 4; i++)
		dst[i] = be32dec(src + i * 4);
}

void x11_hash(const char* input, char* output)
{
    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;
    sph_luffa512_context     ctx_luffa;
    sph_cubehash512_context  ctx_cubehash;
    sph_shavite512_context   ctx_shavite;
    sph_simd512_context      ctx_simd;
    sph_echo512_context      ctx_echo;
    static unsigned char pblank[1];

    uint32_t hashA[16], hashB[16];

    sph_blake512_init(&ctx_blake);
    sph_blake512 (&ctx_blake, input, 80);
    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

    sph_groestl512_init(&ctx_groestl);
    sph_groestl512 (&ctx_groestl, hashB, 64); //1
    sph_groestl512_close(&ctx_groestl, hashA); //2
    
    sph_skein512_init(&ctx_skein);
    sph_skein512 (&ctx_skein, hashA, 64); //2
    sph_skein512_close(&ctx_skein, hashB); //3

    sph_jh512_init(&ctx_jh);
    sph_jh512 (&ctx_jh, hashB, 64); //3
    sph_jh512_close(&ctx_jh, hashA); //4

    sph_keccak512_init(&ctx_keccak);
    sph_keccak512 (&ctx_keccak,hashA, 64); //4
    sph_keccak512_close(&ctx_keccak, hashB); //5

    sph_luffa512_init(&ctx_luffa);
    sph_luffa512 (&ctx_luffa, hashB, 64); //6
    sph_luffa512_close(&ctx_luffa, hashA); //7

    sph_cubehash512_init(&ctx_cubehash);
    sph_cubehash512 (&ctx_cubehash, hashA, 64); //7
    sph_cubehash512_close(&ctx_cubehash, hashB); //8

    sph_shavite512_init(&ctx_shavite);
    sph_shavite512 (&ctx_shavite, hashB, 64); //8
    sph_shavite512_close(&ctx_shavite, hashA); //9

    sph_simd512_init(&ctx_simd);
    sph_simd512 (&ctx_simd, hashA, 64); //9
    sph_simd512_close(&ctx_simd, hashB); //10

    sph_echo512_init(&ctx_echo);
    sph_echo512 (&ctx_echo, hashB, 64); //10
    sph_echo512_close(&ctx_echo, hashA); //11

	memcpy(output, hashA, 32);


/*
	printf("result: ");
	for (ii=0; ii < 32; ii++)
	{
		printf ("%.2x",((uint8_t*)output)[ii]);
	}
	printf ("\n");
*/




}