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v3.7.4
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Jay D Dee
178
algo/nist5/nist5-4way.c
Normal file
178
algo/nist5/nist5-4way.c
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#include "nist5-gate.h"
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdio.h>
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#if defined(NIST5_4WAY)
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#include "algo/blake/blake-hash-4way.h"
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#include "algo/skein/skein-hash-4way.h"
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#include "algo/jh/jh-hash-4way.h"
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#include "algo/keccak/keccak-hash-4way.h"
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#include "algo/groestl/aes_ni/hash-groestl.h"
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// no improvement with midstate
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//static __thread blake512_4way_context ctx_mid;
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void nist5hash_4way( void *output, const void *input )
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{
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uint64_t hash0[8] __attribute__ ((aligned (64)));
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uint64_t hash1[8] __attribute__ ((aligned (64)));
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uint64_t hash2[8] __attribute__ ((aligned (64)));
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uint64_t hash3[8] __attribute__ ((aligned (64)));
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uint64_t vhash[8*4] __attribute__ ((aligned (64)));
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blake512_4way_context ctx_blake;
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hashState_groestl ctx_groestl;
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jh512_4way_context ctx_jh;
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skein512_4way_context ctx_skein;
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keccak512_4way_context ctx_keccak;
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// memcpy( &ctx_blake, &ctx_mid, sizeof(ctx_mid) );
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// blake512_4way( &ctx_blake, input + (64<<2), 16 );
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blake512_4way_init( &ctx_blake );
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blake512_4way( &ctx_blake, input, 80 );
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blake512_4way_close( &ctx_blake, vhash );
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m256_deinterleave_4x64x( hash0, hash1, hash2, hash3, vhash, 512 );
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init_groestl( &ctx_groestl, 64 );
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update_and_final_groestl( &ctx_groestl, (char*)hash0,
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(const char*)hash0, 512 );
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init_groestl( &ctx_groestl, 64 );
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update_and_final_groestl( &ctx_groestl, (char*)hash1,
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(const char*)hash1, 512 );
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init_groestl( &ctx_groestl, 64 );
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update_and_final_groestl( &ctx_groestl, (char*)hash2,
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(const char*)hash2, 512 );
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init_groestl( &ctx_groestl, 64 );
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update_and_final_groestl( &ctx_groestl, (char*)hash3,
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(const char*)hash3, 512 );
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m256_interleave_4x64x( vhash, hash0, hash1, hash2, hash3, 512 );
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jh512_4way_init( &ctx_jh );
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jh512_4way( &ctx_jh, vhash, 64 );
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jh512_4way_close( &ctx_jh, vhash );
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keccak512_4way_init( &ctx_keccak );
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keccak512_4way( &ctx_keccak, vhash, 64 );
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keccak512_4way_close( &ctx_keccak, vhash );
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skein512_4way_init( &ctx_skein );
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skein512_4way( &ctx_skein, vhash, 64 );
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skein512_4way_close( &ctx_skein, vhash );
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m256_deinterleave_4x64x( hash0, hash1, hash2, hash3, vhash, 512 );
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memcpy( output, hash0, 32 );
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memcpy( output+32, hash1, 32 );
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memcpy( output+64, hash2, 32 );
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memcpy( output+96, hash3, 32 );
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}
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int scanhash_nist5_4way( int thr_id, struct work *work, uint32_t max_nonce,
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uint64_t *hashes_done)
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{
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uint32_t hash[4*8] __attribute__ ((aligned (64)));
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uint32_t vdata[24*4] __attribute__ ((aligned (64)));
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uint32_t endiandata[20] __attribute__((aligned(64)));
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uint32_t *pdata = work->data;
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uint32_t *ptarget = work->target;
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uint32_t n = pdata[19];
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const uint32_t first_nonce = pdata[19];
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const uint32_t Htarg = ptarget[7];
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uint32_t *nonces = work->nonces;
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bool *found = work->nfound;
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int num_found = 0;
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uint32_t *noncep0 = vdata + 73; // 9*8 + 1
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uint32_t *noncep1 = vdata + 75;
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uint32_t *noncep2 = vdata + 77;
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uint32_t *noncep3 = vdata + 79;
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uint64_t htmax[] = { 0,
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0xF,
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0xFF,
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0xFFF,
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0xFFFF,
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0x10000000 };
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uint32_t masks[] = { 0xFFFFFFFF,
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0xFFFFFFF0,
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0xFFFFFF00,
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0xFFFFF000,
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0xFFFF0000,
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0 };
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// we need bigendian data...
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swab32_array( endiandata, pdata, 20 );
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uint64_t *edata = (uint64_t*)endiandata;
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m256_interleave_4x64( (uint64_t*)vdata, edata, edata, edata, edata, 640 );
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// precalc midstate
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// blake512_4way_init( &ctx_mid );
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// blake512_4way( &ctx_mid, vdata, 64 );
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for ( int m=0; m < 6; m++ )
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{
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if (Htarg <= htmax[m])
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{
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uint32_t mask = masks[m];
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do {
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found[0] = found[1] = found[2] = found[3] = false;
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be32enc( noncep0, n );
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be32enc( noncep1, n+1 );
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be32enc( noncep2, n+2 );
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be32enc( noncep3, n+3 );
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nist5hash_4way( hash, vdata );
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pdata[19] = n;
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if ( ( !(hash[7] & mask) )
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&& fulltest( hash, ptarget ) )
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{
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found[0] = true;
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num_found++;
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nonces[0] = n;
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work_set_target_ratio( work, hash );
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}
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if ( ( !((hash+8)[7] & mask) )
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&& fulltest( hash+8, ptarget ) )
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{
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found[1] = true;
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num_found++;
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nonces[1] = n+1;
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work_set_target_ratio( work, hash+8 );
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}
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if ( ( !((hash+16)[7] & mask) )
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&& fulltest( hash+16, ptarget ) )
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{
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found[2] = true;
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num_found++;
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nonces[2] = n+2;
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work_set_target_ratio( work, hash+16 );
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}
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if ( ( !((hash+24)[7] & mask) )
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&& fulltest( hash+24, ptarget ) )
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{
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found[3] = true;
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num_found++;
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nonces[3] = n+3;
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work_set_target_ratio( work, hash+24 );
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}
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n += 4;
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} while ( ( num_found == 0 ) && ( n < max_nonce )
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&& !work_restart[thr_id].restart );
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break;
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}
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}
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*hashes_done = n - first_nonce + 1;
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return num_found;
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}
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#endif
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