mirror of https://github.com/GOSTSec/sgminer
troky
10 years ago
10 changed files with 1491 additions and 10 deletions
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/*-
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* Copyright 2009 Colin Percival, 2011 ArtForz |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* This file was originally written by Colin Percival as part of the Tarsnap |
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* online backup system. |
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*/ |
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#include "config.h" |
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#include "miner.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 "sph/sph_whirlpool.h" |
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/*
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* Encode a length len/4 vector of (uint32_t) into a length len vector of |
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* (unsigned char) in big-endian form. Assumes len is a multiple of 4. |
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*/ |
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static inline void |
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be32enc_vect(uint32_t *dst, const uint32_t *src, uint32_t len) |
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{ |
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uint32_t i; |
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for (i = 0; i < len; i++) |
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dst[i] = htobe32(src[i]); |
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} |
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inline void whirlpoolx_hash(void *state, const void *input) |
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{ |
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sph_whirlpool1_context ctx; |
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sph_whirlpool1_init(&ctx); |
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uint8_t digest[64]; |
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sph_whirlpool(&ctx, input, 80); |
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sph_whirlpool_close(&ctx, digest); |
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((uint8_t *)state)[0] = digest[0] ^ digest[16]; |
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((uint8_t *)state)[1] = digest[1] ^ digest[17]; |
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((uint8_t *)state)[2] = digest[2] ^ digest[18]; |
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((uint8_t *)state)[3] = digest[3] ^ digest[19]; |
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((uint8_t *)state)[4] = digest[4] ^ digest[20]; |
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((uint8_t *)state)[5] = digest[5] ^ digest[21]; |
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((uint8_t *)state)[6] = digest[6] ^ digest[22]; |
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((uint8_t *)state)[7] = digest[7] ^ digest[23]; |
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((uint8_t *)state)[8] = digest[8] ^ digest[24]; |
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((uint8_t *)state)[9] = digest[9] ^ digest[25]; |
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((uint8_t *)state)[10] = digest[10] ^ digest[26]; |
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((uint8_t *)state)[11] = digest[11] ^ digest[27]; |
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((uint8_t *)state)[12] = digest[12] ^ digest[28]; |
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((uint8_t *)state)[13] = digest[13] ^ digest[29]; |
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((uint8_t *)state)[14] = digest[14] ^ digest[30]; |
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((uint8_t *)state)[15] = digest[15] ^ digest[31]; |
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((uint8_t *)state)[16] = digest[16] ^ digest[32]; |
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((uint8_t *)state)[17] = digest[17] ^ digest[33]; |
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((uint8_t *)state)[18] = digest[18] ^ digest[34]; |
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((uint8_t *)state)[19] = digest[19] ^ digest[35]; |
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((uint8_t *)state)[20] = digest[20] ^ digest[36]; |
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((uint8_t *)state)[21] = digest[21] ^ digest[37]; |
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((uint8_t *)state)[22] = digest[22] ^ digest[38]; |
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((uint8_t *)state)[23] = digest[23] ^ digest[39]; |
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((uint8_t *)state)[24] = digest[24] ^ digest[40]; |
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((uint8_t *)state)[25] = digest[25] ^ digest[41]; |
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((uint8_t *)state)[26] = digest[26] ^ digest[42]; |
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((uint8_t *)state)[27] = digest[27] ^ digest[43]; |
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((uint8_t *)state)[28] = digest[28] ^ digest[44]; |
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((uint8_t *)state)[29] = digest[29] ^ digest[45]; |
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((uint8_t *)state)[30] = digest[30] ^ digest[46]; |
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((uint8_t *)state)[31] = digest[31] ^ digest[47]; |
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} |
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static const uint32_t diff1targ = 0x0000ffff; |
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/* Used externally as confirmation of correct OCL code */ |
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int whirlpoolx_test(unsigned char *pdata, const unsigned char *ptarget, uint32_t nonce) |
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{ |
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uint32_t tmp_hash7, Htarg = le32toh(((const uint32_t *)ptarget)[7]); |
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uint32_t data[20], ohash[8]; |
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be32enc_vect(data, (const uint32_t *)pdata, 19); |
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data[19] = htobe32(nonce); |
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whirlpoolx_hash(ohash, data); |
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tmp_hash7 = be32toh(ohash[7]); |
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applog(LOG_DEBUG, "htarget %08lx diff1 %08lx hash %08lx", |
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(long unsigned int)Htarg, |
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(long unsigned int)diff1targ, |
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(long unsigned int)tmp_hash7); |
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if (tmp_hash7 > diff1targ) |
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return -1; |
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if (tmp_hash7 > Htarg) |
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return 0; |
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return 1; |
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} |
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void whirlpoolx_regenhash(struct work *work) |
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{ |
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uint32_t data[20]; |
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uint32_t *nonce = (uint32_t *)(work->data + 76); |
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uint32_t *ohash = (uint32_t *)(work->hash); |
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be32enc_vect(data, (const uint32_t *)work->data, 19); |
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data[19] = htobe32(*nonce); |
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whirlpoolx_hash(ohash, data); |
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} |
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bool scanhash_whirlpoolx(struct thr_info *thr, const unsigned char __maybe_unused *pmidstate, |
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unsigned char *pdata, unsigned char __maybe_unused *phash1, |
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unsigned char __maybe_unused *phash, const unsigned char *ptarget, |
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uint32_t max_nonce, uint32_t *last_nonce, uint32_t n) |
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{ |
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uint32_t *nonce = (uint32_t *)(pdata + 76); |
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uint32_t data[20]; |
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uint32_t tmp_hash7; |
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uint32_t Htarg = le32toh(((const uint32_t *)ptarget)[7]); |
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bool ret = false; |
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be32enc_vect(data, (const uint32_t *)pdata, 19); |
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while(1) { |
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uint32_t ostate[8]; |
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*nonce = ++n; |
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data[19] = (n); |
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whirlpoolx_hash(ostate, data); |
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tmp_hash7 = (ostate[7]); |
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applog(LOG_INFO, "data7 %08lx", |
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(long unsigned int)data[7]); |
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if (unlikely(tmp_hash7 <= Htarg)) { |
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((uint32_t *)pdata)[19] = htobe32(n); |
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*last_nonce = n; |
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ret = true; |
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break; |
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} |
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if (unlikely((n >= max_nonce) || thr->work_restart)) { |
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*last_nonce = n; |
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break; |
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} |
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} |
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return ret; |
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} |
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@ -0,0 +1,9 @@
@@ -0,0 +1,9 @@
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#ifndef WHIRLPOOLX_H |
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#define WHIRLPOOLX_H |
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#include "miner.h" |
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extern int whirlpoolx_test(unsigned char *pdata, const unsigned char *ptarget, uint32_t nonce); |
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extern void whirlpoolx_regenhash(struct work *work); |
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#endif /* W_H */ |
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