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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| /* | ||
| * BLAKE implementation. | ||
| * | ||
| * ==========================(LICENSE BEGIN)============================ | ||
| * | ||
| * Copyright (c) 2007-2010 Projet RNRT SAPHIR | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining | ||
| * a copy of this software and associated documentation files (the | ||
| * "Software"), to deal in the Software without restriction, including | ||
| * without limitation the rights to use, copy, modify, merge, publish, | ||
| * distribute, sublicense, and/or sell copies of the Software, and to | ||
| * permit persons to whom the Software is furnished to do so, subject to | ||
| * the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be | ||
| * included in all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | ||
| * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY | ||
| * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | ||
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | ||
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
| * | ||
| * ===========================(LICENSE END)============================= | ||
| * | ||
| * @author Thomas Pornin <thomas.pornin@cryptolog.com> | ||
| * | ||
| * Modified for more speed by BlueDragon747 for the Blakecoin project | ||
| */ | ||
|
|
||
| #include <stddef.h> | ||
| #include <string.h> | ||
| #include <limits.h> | ||
| #include <stdint.h> | ||
|
|
||
| #include "sph/sph_blake.h" | ||
| #include "algorithm/blake256.h" | ||
|
|
||
| /* | ||
| * 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 inline void | ||
| be32enc_vect(uint32_t *dst, const uint32_t *src, uint32_t len) | ||
| { | ||
| uint32_t i; | ||
|
|
||
| for (i = 0; i < len; i++) | ||
| dst[i] = htobe32(src[i]); | ||
| } | ||
|
|
||
| static const uint32_t diff1targ_blake256 = 0x000000ff; | ||
|
|
||
| inline void blake256hash(void *state, const void *input) | ||
| { | ||
| sph_blake256_context ctx_blake; | ||
| sph_blake256_init(&ctx_blake); | ||
| sph_blake256(&ctx_blake, input, 80); | ||
| sph_blake256_close(&ctx_blake, state); | ||
| } | ||
|
|
||
| static const uint32_t diff1targ = 0x0000ffff; | ||
|
|
||
|
|
||
| /* Used externally as confirmation of correct OCL code */ | ||
| int blake256_test(unsigned char *pdata, const unsigned char *ptarget, uint32_t nonce) | ||
| { | ||
| uint32_t tmp_hash7, Htarg = le32toh(((const uint32_t *)ptarget)[7]); | ||
| uint32_t data[20], ohash[8]; | ||
|
|
||
| be32enc_vect(data, (const uint32_t *)pdata, 19); | ||
| data[19] = htobe32(nonce); | ||
| blake256hash(ohash, data); | ||
| tmp_hash7 = be32toh(ohash[7]); | ||
|
|
||
| applog(LOG_DEBUG, "htarget %08lx diff1 %08lx hash %08lx", | ||
| (long unsigned int)Htarg, | ||
| (long unsigned int)diff1targ, | ||
| (long unsigned int)tmp_hash7); | ||
| if (tmp_hash7 > diff1targ) | ||
| return -1; | ||
| if (tmp_hash7 > Htarg) | ||
| return 0; | ||
| return 1; | ||
| } | ||
|
|
||
| void blake256_regenhash(struct work *work) | ||
| { | ||
| uint32_t data[20]; | ||
| uint32_t *nonce = (uint32_t *)(work->data + 76); | ||
| uint32_t *ohash = (uint32_t *)(work->hash); | ||
|
|
||
| be32enc_vect(data, (const uint32_t *)work->data, 19); | ||
| data[19] = htobe32(*nonce); | ||
| blake256hash(ohash, data); | ||
| } | ||
|
|
||
| bool scanhash_blake256(struct thr_info *thr, const unsigned char __maybe_unused *pmidstate, | ||
| unsigned char *pdata, unsigned char __maybe_unused *phash1, | ||
| unsigned char __maybe_unused *phash, const unsigned char *ptarget, | ||
| uint32_t max_nonce, uint32_t *last_nonce, uint32_t n) | ||
| { | ||
| uint32_t *nonce = (uint32_t *)(pdata + 76); | ||
| uint32_t data[20]; | ||
| uint32_t tmp_hash7; | ||
| uint32_t Htarg = le32toh(((const uint32_t *)ptarget)[7]); | ||
| bool ret = false; | ||
|
|
||
| be32enc_vect(data, (const uint32_t *)pdata, 19); | ||
|
|
||
| while(1) { | ||
| uint32_t ostate[8]; | ||
|
|
||
| *nonce = ++n; | ||
| data[19] = (n); | ||
| blake256hash(ostate, data); | ||
| tmp_hash7 = (ostate[7]); | ||
|
|
||
| applog(LOG_INFO, "data7 %08lx", | ||
| (long unsigned int)data[7]); | ||
|
|
||
| if (unlikely(tmp_hash7 <= Htarg)) { | ||
| ((uint32_t *)pdata)[19] = htobe32(n); | ||
| *last_nonce = n; | ||
| ret = true; | ||
| break; | ||
| } | ||
|
|
||
| if (unlikely((n >= max_nonce) || thr->work_restart)) { | ||
| *last_nonce = n; | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| return ret; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| #ifndef BLAKE256_H | ||
| #define BLAKE256_H | ||
|
|
||
| #include "miner.h" | ||
|
|
||
| extern int blake256_test(unsigned char *pdata, const unsigned char *ptarget, uint32_t nonce); | ||
| extern void blake256_regenhash(struct work *work); | ||
|
|
||
| #endif /* BLAKE256_H */ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| /* | ||
| * BLAKE implementation. | ||
| * | ||
| * ==========================(LICENSE BEGIN)============================ | ||
| * | ||
| * Copyright (c) 2007-2010 Projet RNRT SAPHIR | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining | ||
| * a copy of this software and associated documentation files (the | ||
| * "Software"), to deal in the Software without restriction, including | ||
| * without limitation the rights to use, copy, modify, merge, publish, | ||
| * distribute, sublicense, and/or sell copies of the Software, and to | ||
| * permit persons to whom the Software is furnished to do so, subject to | ||
| * the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be | ||
| * included in all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | ||
| * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY | ||
| * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | ||
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | ||
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
| * | ||
| * ===========================(LICENSE END)============================= | ||
| * | ||
| * @author Thomas Pornin <thomas.pornin@cryptolog.com> | ||
| * | ||
| * Modified for more speed by BlueDragon747 for the Blakecoin project | ||
| */ | ||
|
|
||
| #include <stddef.h> | ||
| #include <string.h> | ||
| #include <limits.h> | ||
| #include <stdint.h> | ||
|
|
||
| #include "sph/sph_blake.h" | ||
| #include "algorithm/blakecoin.h" | ||
|
|
||
| /* | ||
| * 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 inline void | ||
| be32enc_vect(uint32_t *dst, const uint32_t *src, uint32_t len) | ||
| { | ||
| uint32_t i; | ||
|
|
||
| for (i = 0; i < len; i++) | ||
| dst[i] = htobe32(src[i]); | ||
| } | ||
|
|
||
| static const uint32_t diff1targ_blake256 = 0x000000ff; | ||
|
|
||
| inline void blakecoinhash(void *state, const void *input) | ||
| { | ||
| sph_blake256_context ctx_blake; | ||
| sph_blake256_init(&ctx_blake); | ||
| sph_blake256r8(&ctx_blake, input, 80); | ||
| sph_blake256r8_close(&ctx_blake, state); | ||
| } | ||
|
|
||
| static const uint32_t diff1targ = 0x0000ffff; | ||
|
|
||
|
|
||
| /* Used externally as confirmation of correct OCL code */ | ||
| int blakecoin_test(unsigned char *pdata, const unsigned char *ptarget, uint32_t nonce) | ||
| { | ||
| uint32_t tmp_hash7, Htarg = le32toh(((const uint32_t *)ptarget)[7]); | ||
| uint32_t data[20], ohash[8]; | ||
|
|
||
| be32enc_vect(data, (const uint32_t *)pdata, 19); | ||
| data[19] = htobe32(nonce); | ||
| blakecoinhash(ohash, data); | ||
| tmp_hash7 = be32toh(ohash[7]); | ||
|
|
||
| applog(LOG_DEBUG, "htarget %08lx diff1 %08lx hash %08lx", | ||
| (long unsigned int)Htarg, | ||
| (long unsigned int)diff1targ, | ||
| (long unsigned int)tmp_hash7); | ||
| if (tmp_hash7 > diff1targ) | ||
| return -1; | ||
| if (tmp_hash7 > Htarg) | ||
| return 0; | ||
| return 1; | ||
| } | ||
|
|
||
| void blakecoin_regenhash(struct work *work) | ||
| { | ||
| uint32_t data[20]; | ||
| uint32_t *nonce = (uint32_t *)(work->data + 76); | ||
| uint32_t *ohash = (uint32_t *)(work->hash); | ||
|
|
||
| be32enc_vect(data, (const uint32_t *)work->data, 19); | ||
| data[19] = htobe32(*nonce); | ||
| blakecoinhash(ohash, data); | ||
| } | ||
|
|
||
| bool scanhash_blakecoin(struct thr_info *thr, const unsigned char __maybe_unused *pmidstate, | ||
| unsigned char *pdata, unsigned char __maybe_unused *phash1, | ||
| unsigned char __maybe_unused *phash, const unsigned char *ptarget, | ||
| uint32_t max_nonce, uint32_t *last_nonce, uint32_t n) | ||
| { | ||
| uint32_t *nonce = (uint32_t *)(pdata + 76); | ||
| uint32_t data[20]; | ||
| uint32_t tmp_hash7; | ||
| uint32_t Htarg = le32toh(((const uint32_t *)ptarget)[7]); | ||
| bool ret = false; | ||
|
|
||
| be32enc_vect(data, (const uint32_t *)pdata, 19); | ||
|
|
||
| while(1) { | ||
| uint32_t ostate[8]; | ||
|
|
||
| *nonce = ++n; | ||
| data[19] = (n); | ||
| blakecoinhash(ostate, data); | ||
| tmp_hash7 = (ostate[7]); | ||
|
|
||
| applog(LOG_INFO, "data7 %08lx", | ||
| (long unsigned int)data[7]); | ||
|
|
||
| if (unlikely(tmp_hash7 <= Htarg)) { | ||
| ((uint32_t *)pdata)[19] = htobe32(n); | ||
| *last_nonce = n; | ||
| ret = true; | ||
| break; | ||
| } | ||
|
|
||
| if (unlikely((n >= max_nonce) || thr->work_restart)) { | ||
| *last_nonce = n; | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| return ret; | ||
| } |
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