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gostoclminer
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  1. 340
      COPYING
  2. 3
      LICENSE
  3. 21
      Makefile
  4. 187
      findnonce.c
  5. 17
      findnonce.h
  6. 506
      miner.c
  7. 18
      miner.h
  8. 271
      ocl.c
  9. 18
      ocl.h
  10. 288
      oclminer.cl
  11. 228
      util.c

340
COPYING
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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
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Copyright (C) <year> <name of author>
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Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
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Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
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The hypothetical commands `show w' and `show c' should show the appropriate
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You should also get your employer (if you work as a programmer) or your
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
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Public License instead of this License.

3
LICENSE
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oclminer is available under the terms of the GNU Public License version 2.
See COPYING for details.

21
Makefile
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INCLUDEPATHS=-I${ATISTREAMSDKROOT}/include/ -L${ATISTREAMSDKROOT}/
LIBS=-lOpenCL -ljansson -lcurl
DEFS=
DEBUGFLAGS=-g
CFLAGS=-O3 -Wformat $(DEBUGFLAGS) $(DEFS) $(INCLUDEPATHS)
HEADERS=
OBJS=miner.o ocl.o findnonce.o util.o
all: oclminer
%.o: %.c $(HEADERS)
gcc -c $(CFLAGS) -o $@ $<
oclminer: $(OBJS)
gcc $(CFLAGS) -o $@ $^ $(LIBS)
clean:
-rm *.o oclminer

187
findnonce.c
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/*
* Copyright 2011 Nils Schneider
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version. See COPYING for more details.
*/
#include <stdio.h>
#include <inttypes.h>
#include "ocl.h"
#include "findnonce.h"
int fDebug = 0;
const uint32_t SHA256_K[64] = {
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
};
inline uint32_t ByteReverse(uint32_t value)
{
__asm__ ("bswap %0" : "=r" (value) : "0" (value));
return value;
}
#define rotate(x,y) ((x<<y) | (x>>(sizeof(x)*8-y)))
#define rotr(x,y) ((x>>y) | (x<<(sizeof(x)*8-y)))
#define R(a, b, c, d, e, f, g, h, w, k) \
h = h + (rotate(e, 26) ^ rotate(e, 21) ^ rotate(e, 7)) + (g ^ (e & (f ^ g))) + k + w; \
d = d + h; \
h = h + (rotate(a, 30) ^ rotate(a, 19) ^ rotate(a, 10)) + ((a & b) | (c & (a | b)))
void precalc_hash(dev_blk_ctx *blk, uint32_t *state, uint32_t *data) {
cl_uint A, B, C, D, E, F, G, H;
cl_uint W[16];
A = state[0];
B = state[1];
C = state[2];
D = state[3];
E = state[4];
F = state[5];
G = state[6];
H = state[7];
R(A, B, C, D, E, F, G, H, data[0], SHA256_K[0]);
R(H, A, B, C, D, E, F, G, data[1], SHA256_K[1]);
R(G, H, A, B, C, D, E, F, data[2], SHA256_K[2]);
blk->cty_a = A;
blk->cty_b = B;
blk->cty_c = C;
blk->cty_d = D;
blk->cty_e = E;
blk->cty_f = F;
blk->cty_g = G;
blk->cty_h = H;
blk->ctx_a = state[0];
blk->ctx_b = state[1];
blk->ctx_c = state[2];
blk->ctx_d = state[3];
blk->ctx_e = state[4];
blk->ctx_f = state[5];
blk->ctx_g = state[6];
blk->ctx_h = state[7];
blk->merkle = data[0];
blk->ntime = data[1];
blk->nbits = data[2];
blk->fW0 = data[0] + (rotr(data[1], 7) ^ rotr(data[1], 18) ^ (data[1] >> 3));
blk->fW1 = data[1] + (rotr(data[2], 7) ^ rotr(data[2], 18) ^ (data[2] >> 3)) + 0x01100000;
blk->fW2 = data[2] + (rotr(blk->fW0, 17) ^ rotr(blk->fW0, 19) ^ (blk->fW0 >> 10));
blk->fW3 = 0x11002000 + (rotr(blk->fW1, 17) ^ rotr(blk->fW1, 19) ^ (blk->fW1 >> 10));
blk->fW15 = 0x00000280 + (rotr(blk->fW0, 7) ^ rotr(blk->fW0, 18) ^ (blk->fW0 >> 3));
blk->fW01r = blk->fW0 + (rotr(blk->fW1, 7) ^ rotr(blk->fW1, 18) ^ (blk->fW1 >> 3));
blk->fcty_e = E + (rotr(B, 6) ^ rotr(B, 11) ^ rotr(B, 25)) + (D ^ (B & (C ^ D))) + 0xe9b5dba5;
blk->fcty_e2 = (rotr(F, 2) ^ rotr(F, 13) ^ rotr(F, 22)) + ((F & G) | (H & (F | G)));
}
#define P(t) (W[(t)&0xF] = W[(t-16)&0xF] + (rotate(W[(t-15)&0xF], 25) ^ rotate(W[(t-15)&0xF], 14) ^ (W[(t-15)&0xF] >> 3)) + W[(t-7)&0xF] + (rotate(W[(t-2)&0xF], 15) ^ rotate(W[(t-2)&0xF], 13) ^ (W[(t-2)&0xF] >> 10)))
#define IR(u) \
R(A, B, C, D, E, F, G, H, W[u+0], SHA256_K[u+0]); \
R(H, A, B, C, D, E, F, G, W[u+1], SHA256_K[u+1]); \
R(G, H, A, B, C, D, E, F, W[u+2], SHA256_K[u+2]); \
R(F, G, H, A, B, C, D, E, W[u+3], SHA256_K[u+3]); \
R(E, F, G, H, A, B, C, D, W[u+4], SHA256_K[u+4]); \
R(D, E, F, G, H, A, B, C, W[u+5], SHA256_K[u+5]); \
R(C, D, E, F, G, H, A, B, W[u+6], SHA256_K[u+6]); \
R(B, C, D, E, F, G, H, A, W[u+7], SHA256_K[u+7])
#define FR(u) \
R(A, B, C, D, E, F, G, H, P(u+0), SHA256_K[u+0]); \
R(H, A, B, C, D, E, F, G, P(u+1), SHA256_K[u+1]); \
R(G, H, A, B, C, D, E, F, P(u+2), SHA256_K[u+2]); \
R(F, G, H, A, B, C, D, E, P(u+3), SHA256_K[u+3]); \
R(E, F, G, H, A, B, C, D, P(u+4), SHA256_K[u+4]); \
R(D, E, F, G, H, A, B, C, P(u+5), SHA256_K[u+5]); \
R(C, D, E, F, G, H, A, B, P(u+6), SHA256_K[u+6]); \
R(B, C, D, E, F, G, H, A, P(u+7), SHA256_K[u+7])
#define PIR(u) \
R(F, G, H, A, B, C, D, E, W[u+3], SHA256_K[u+3]); \
R(E, F, G, H, A, B, C, D, W[u+4], SHA256_K[u+4]); \
R(D, E, F, G, H, A, B, C, W[u+5], SHA256_K[u+5]); \
R(C, D, E, F, G, H, A, B, W[u+6], SHA256_K[u+6]); \
R(B, C, D, E, F, G, H, A, W[u+7], SHA256_K[u+7])
#define PFR(u) \
R(A, B, C, D, E, F, G, H, P(u+0), SHA256_K[u+0]); \
R(H, A, B, C, D, E, F, G, P(u+1), SHA256_K[u+1]); \
R(G, H, A, B, C, D, E, F, P(u+2), SHA256_K[u+2]); \
R(F, G, H, A, B, C, D, E, P(u+3), SHA256_K[u+3]); \
R(E, F, G, H, A, B, C, D, P(u+4), SHA256_K[u+4]); \
R(D, E, F, G, H, A, B, C, P(u+5), SHA256_K[u+5])
uint32_t postcalc_hash(dev_blk_ctx *blk, uint32_t start, uint32_t end, uint32_t *best_nonce) {
cl_uint A, B, C, D, E, F, G, H;
cl_uint W[16];
cl_uint nonce;
cl_uint best_g = ~0;
for(nonce = start; nonce != end; nonce+=1) {
A = blk->cty_a; B = blk->cty_b;
C = blk->cty_c; D = blk->cty_d;
E = blk->cty_e; F = blk->cty_f;
G = blk->cty_g; H = blk->cty_h;
W[0] = blk->merkle; W[1] = blk->ntime;
W[2] = blk->nbits; W[3] = nonce;;
W[4] = 0x80000000; W[5] = 0x00000000; W[6] = 0x00000000; W[7] = 0x00000000;
W[8] = 0x00000000; W[9] = 0x00000000; W[10] = 0x00000000; W[11] = 0x00000000;
W[12] = 0x00000000; W[13] = 0x00000000; W[14] = 0x00000000; W[15] = 0x00000280;
PIR(0); IR(8);
FR(16); FR(24);
FR(32); FR(40);
FR(48); FR(56);
W[0] = A + blk->ctx_a; W[1] = B + blk->ctx_b;
W[2] = C + blk->ctx_c; W[3] = D + blk->ctx_d;
W[4] = E + blk->ctx_e; W[5] = F + blk->ctx_f;
W[6] = G + blk->ctx_g; W[7] = H + blk->ctx_h;
W[8] = 0x80000000; W[9] = 0x00000000; W[10] = 0x00000000; W[11] = 0x00000000;
W[12] = 0x00000000; W[13] = 0x00000000; W[14] = 0x00000000; W[15] = 0x00000100;
A = 0x6a09e667; B = 0xbb67ae85;
C = 0x3c6ef372; D = 0xa54ff53a;
E = 0x510e527f; F = 0x9b05688c;
G = 0x1f83d9ab; H = 0x5be0cd19;
IR(0); IR(8);
FR(16); FR(24);
FR(32); FR(40);
FR(48); PFR(56);
if(H == 0xA41F32E7) {
G += 0x1f83d9ab;
G = ByteReverse(G);
if(G < best_g) {
*best_nonce = nonce;
best_g = G;
}
}
}
if(best_g == ~0) printf("No best_g found! Error in OpenCL code?\n");
return best_g;
}

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#define MAXTHREADS 2000000
#include <CL/cl.h>
typedef struct {
cl_uint ctx_a; cl_uint ctx_b; cl_uint ctx_c; cl_uint ctx_d;
cl_uint ctx_e; cl_uint ctx_f; cl_uint ctx_g; cl_uint ctx_h;
cl_uint cty_a; cl_uint cty_b; cl_uint cty_c; cl_uint cty_d;
cl_uint cty_e; cl_uint cty_f; cl_uint cty_g; cl_uint cty_h;
cl_uint merkle; cl_uint ntime; cl_uint nbits; cl_uint nonce;
cl_uint fW0; cl_uint fW1; cl_uint fW2; cl_uint fW3; cl_uint fW15;
cl_uint fW01r; cl_uint fcty_e; cl_uint fcty_e2;
} dev_blk_ctx;
extern void precalc_hash(dev_blk_ctx *blk, uint32_t *state, uint32_t *data);
extern uint32_t postcalc_hash(dev_blk_ctx *blk, uint32_t start, uint32_t end, uint32_t *best_nonce);

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/*
* Copyright 2010 Jeff Garzik
* 2011 Nils Schneider
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version. See COPYING for more details.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <stdint.h>
#include <unistd.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <pthread.h>
#include <getopt.h>
#include <jansson.h>
#include <inttypes.h>
#include "miner.h"
#include "findnonce.h"
#include "ocl.h"
#define VERSION "0.1"
#define PROGRAM_NAME "oclminer"
#define DEF_RPC_URL "http://127.0.0.1:8332/"
#define DEF_RPC_USERPASS "rpcuser:rpcpass"
enum {
STAT_SLEEP_INTERVAL = 100,
STAT_CTR_INTERVAL = 10000000,
FAILURE_INTERVAL = 30,
};
int opt_debug = false;
int opt_protocol = false;
int opt_ndevs = false;
static int opt_retries = 10;
static bool program_running = true;
static const bool opt_time = true;
static int opt_n_threads = 1;
static char *rpc_url = DEF_RPC_URL;
static char *userpass = DEF_RPC_USERPASS;
struct option_help {
const char *name;
const char *helptext;
};
static struct option_help options_help[] = {
{ "help",
"(-h) Display this help text" },
{ "ndevs",
"(-n) Display number of detected GPUs" },
{ "debug",
"(-D) Enable debug output (default: off)" },
{ "protocol-dump",
"(-P) Verbose dump of protocol-level activities (default: off)" },
{ "retries N",
"(-r N) Number of times to retry, if JSON-RPC call fails\n"
"\t(default: 10; use -1 for \"never\")" },
{ "url URL",
"URL for bitcoin JSON-RPC server "
"(default: " DEF_RPC_URL ")" },
{ "userpass USERNAME:PASSWORD",
"Username:Password pair for bitcoin JSON-RPC server "
"(default: " DEF_RPC_USERPASS ")" },
};
static struct option options[] = {
{ "help", 0, NULL, 'h' },
{ "debug", 0, NULL, 'D' },
{ "protocol-dump", 0, NULL, 'P' },
{ "retries", 1, NULL, 'r' },
{ "url", 1, NULL, 1001 },
{ "userpass", 1, NULL, 1002 },
{ "ndevs", 0, NULL, 'n' },
{ }
};
struct work_t {
unsigned char data[128];
unsigned char hash1[64];
unsigned char midstate[32];
unsigned char target[32];
unsigned char hash[32];
uint32_t output[MAXTHREADS];
uint32_t res_nonce;
bool valid;
uint32_t ready;
dev_blk_ctx blk;
};
static bool jobj_binary(const json_t *obj, const char *key,
void *buf, size_t buflen)
{
const char *hexstr;
json_t *tmp;
tmp = json_object_get(obj, key);
if (!tmp) {
fprintf(stderr, "JSON key '%s' not found\n", key);
return false;
}
hexstr = json_string_value(tmp);
if (!hexstr) {
fprintf(stderr, "JSON key '%s' is not a string\n", key);
return false;
}
if (!hex2bin(buf, hexstr, buflen))
return false;
return true;
}
static bool work_decode(const json_t *val, struct work_t *work)
{
if (!jobj_binary(val, "midstate",
work->midstate, sizeof(work->midstate))) {
fprintf(stderr, "JSON inval midstate\n");
goto err_out;
}
if (!jobj_binary(val, "data", work->data, sizeof(work->data))) {
fprintf(stderr, "JSON inval data\n");
goto err_out;
}
if (!jobj_binary(val, "hash1", work->hash1, sizeof(work->hash1))) {
fprintf(stderr, "JSON inval hash1\n");
goto err_out;
}
if (!jobj_binary(val, "target", work->target, sizeof(work->target))) {
fprintf(stderr, "JSON inval target\n");
goto err_out;
}
memset(work->hash, 0, sizeof(work->hash));
return true;
err_out:
return false;
}
static void submit_work(struct work_t *work)
{
char *hexstr = NULL;
json_t *val, *res;
char s[345];
printf("PROOF OF WORK FOUND? submitting...\n");
/* build hex string */
hexstr = bin2hex(work->data, sizeof(work->data));
if (!hexstr)
goto out;
/* build JSON-RPC request */
sprintf(s,
"{\"method\": \"getwork\", \"params\": [ \"%s\" ], \"id\":1}\r\n",
hexstr);
if (opt_debug)
fprintf(stderr, "DBG: sending RPC call:\n%s", s);
/* issue JSON-RPC request */
val = json_rpc_call(rpc_url, userpass, s);
if (!val) {
fprintf(stderr, "submit_work json_rpc_call failed\n");
goto out;
}
res = json_object_get(val, "result");
printf("PROOF OF WORK RESULT: %s\n",
json_is_true(res) ? "true (yay!!!)" : "false (booooo)");
json_decref(val);
out:
free(hexstr);
}
static void hashmeter(int thr_id, struct timeval *tv_start,
unsigned long hashes_done)
{
struct timeval tv_end, diff;
double khashes, secs;
gettimeofday(&tv_end, NULL);
timeval_subtract(&diff, &tv_end, tv_start);
khashes = hashes_done / 1000.0;
secs = (double)diff.tv_sec + ((double)diff.tv_usec / 1000000.0);
printf("HashMeter(%d): %lu hashes, %.2f khash/sec\n",
thr_id, hashes_done,
khashes / secs);
}
static bool getwork(struct work_t *work) {
static const char *rpc_req = "{\"method\": \"getwork\", \"params\": [], \"id\":0}\r\n";
json_t *val;
bool rc;
/* obtain new work from bitcoin */
val = json_rpc_call(rpc_url, userpass, rpc_req);
if (!val) {
fprintf(stderr, "json_rpc_call failed, ");
return false;
}
/* decode result into work state struct */
rc = work_decode(json_object_get(val, "result"), work);
if (!rc) {
fprintf(stderr, "JSON-decode of work failed, ");
return false;
}
json_decref(val);
return true;
}
static void *miner_thread(void *thr_id_int)
{
int thr_id = (unsigned long) thr_id_int;
int failures = 0;
uint32_t res[MAXTHREADS];
size_t globalThreads[1];
size_t localThreads[1];
cl_int status;
_clState *clState;
char name[32];
printf("Init GPU %i\n", thr_id);
clState = initCl(thr_id, name, sizeof(name));
printf("initCl() finished. Found %s\n", name);
status = clSetKernelArg(clState->kernel, 0, sizeof(cl_mem), (void *)&clState->inputBuffer);
if(status != CL_SUCCESS) { printf("Error: Setting kernel argument 1.\n"); return false; }
status = clSetKernelArg(clState->kernel, 1, sizeof(cl_mem), (void *)&clState->outputBuffer);
if(status != CL_SUCCESS) { printf("Error: Setting kernel argument 2.\n"); return false; }
struct work_t *work;
work = malloc(sizeof(struct work_t)*2);
work[0].ready = 0;
work[1].ready = 0;
int frame = 0;
int res_frame = 0;
bool need_work = true;
while (1) {
unsigned long hashes_done;
struct timeval tv_start;
bool rc;
if (need_work) {
frame++;
frame %= 2;
if (opt_debug)
fprintf(stderr, "getwork\n");
rc = getwork(&work[frame]);
if (!rc) {
fprintf(stderr, "getwork failed, ");
if ((opt_retries >= 0) && (++failures > opt_retries)) {
fprintf(stderr, "terminating thread\n");
return NULL; /* exit thread */
}
/* pause, then restart work loop */
fprintf(stderr, "retry after %d seconds\n", FAILURE_INTERVAL);
sleep(FAILURE_INTERVAL);
continue;
}
precalc_hash(&work[frame].blk, (uint32_t *)(work[frame].midstate), (uint32_t *)(work[frame].data + 64));
work[frame].blk.nonce = 0;
work[frame].valid = true;
work[frame].ready = 0;
need_work = false;
}
hashes_done = 0;
gettimeofday(&tv_start, NULL);
int threads = 102400;
globalThreads[0] = threads;
localThreads[0] = 128;
printf("%i\n", work[frame].blk.nonce);
status = clEnqueueWriteBuffer(clState->commandQueue, clState->inputBuffer, CL_TRUE, 0,
sizeof(dev_blk_ctx), (void *)&work[frame].blk, 0, NULL, NULL);
if(status != CL_SUCCESS) { printf("Error: clEnqueueWriteBuffer failed.\n"); return 0; }
status = clEnqueueNDRangeKernel(clState->commandQueue, clState->kernel, 1, NULL,
globalThreads, localThreads, 0, NULL, NULL);
if(status != CL_SUCCESS) { printf("Error: Enqueueing kernel onto command queue. (clEnqueueNDRangeKernel)\n"); return 0; }
clFlush(clState->commandQueue);
hashes_done = 1024 * threads;
if (work[res_frame].ready) {
rc = false;
uint32_t bestG = ~0;
uint32_t nonce;
int j;
for(j = 0; j < work[res_frame].ready; j++) {
if(res[j]) {
uint32_t start = (work[res_frame].res_nonce + j)<<10;
uint32_t my_g, my_nonce;
my_g = postcalc_hash(&work[res_frame].blk, start, start + 1024, &my_nonce);
if (opt_debug)
fprintf(stderr, "DEBUG: H0 within %u .. %u, best G = %08x, nonce = %08x\n", start, start + 1024, my_g, my_nonce);
if(my_g < bestG) {
bestG = my_g;
nonce = my_nonce;
if (opt_debug)
fprintf(stderr, "new best\n");
}
rc = true;
}
}
work[res_frame].ready = false;
uint32_t *target = (uint32_t *)(work[res_frame].target + 24);
if(rc && bestG <= *target) {
printf("Found solution for %08x: %08x %u\n", *target, bestG, nonce);
work[res_frame].data[64+12+0] = (nonce>>0) & 0xff;
work[res_frame].data[64+12+1] = (nonce>>8) & 0xff;
work[res_frame].data[64+12+2] = (nonce>>16) & 0xff;
work[res_frame].data[64+12+3] = (nonce>>24) & 0xff;
submit_work(&work[res_frame]);
need_work = true;
}
}
clFinish(clState->commandQueue);
status = clEnqueueReadBuffer(clState->commandQueue, clState->outputBuffer, CL_TRUE, 0,
sizeof(uint32_t) * threads, res, 0, NULL, NULL);
if(status != CL_SUCCESS) { printf("Error: clEnqueueReadBuffer failed. (clEnqueueReadBuffer)\n"); return 0; }
clFinish(clState->commandQueue);
res_frame = frame;
work[res_frame].ready = threads;
work[res_frame].res_nonce = work[res_frame].blk.nonce;
work[frame].blk.nonce += threads;
if (work[frame].blk.nonce > 4000000 - threads)
need_work = true;
hashmeter(thr_id, &tv_start, hashes_done);
failures = 0;
}
return NULL;
}
static void show_usage(void)
{
int i;
printf("oclminer version %s\n\n", VERSION);
printf("Usage:\tminerd [options]\n\nSupported options:\n");
for (i = 0; i < ARRAY_SIZE(options_help); i++) {
struct option_help *h;
h = &options_help[i];
printf("--%s\n%s\n\n", h->name, h->helptext);
}
exit(1);
}
static void parse_arg (int key, char *arg)
{
int v, i;
switch(key) {
case 'n':
opt_ndevs = true;
break;
case 'D':
opt_debug = true;
break;
case 'P':
opt_protocol = true;
break;
case 'r':
v = atoi(arg);
if (v < -1 || v > 9999) /* sanity check */
show_usage();
opt_retries = v;
break;
case 1001: /* --url */
if (strncmp(arg, "http://", 7) &&
strncmp(arg, "https://", 8))
show_usage();
rpc_url = arg;
break;
case 1002: /* --userpass */
if (!strchr(arg, ':'))
show_usage();
userpass = arg;
break;
default:
show_usage();
}
}
static void parse_cmdline(int argc, char *argv[])
{
int key;
while (1) {
key = getopt_long(argc, argv, "DPh?n", options, NULL);
if (key < 0)
break;
parse_arg(key, optarg);
}
}
int main (int argc, char *argv[])
{
int i, nDevs;
/* parse command line */
parse_cmdline(argc, argv);
nDevs = clDevicesNum();
if (opt_ndevs) {
printf("%i\n", nDevs);
return nDevs;
}
/* start mining threads */
for (i = 0; i < opt_n_threads; i++) {
pthread_t t;
if (pthread_create(&t, NULL, miner_thread,
(void *)(unsigned long) i)) {
fprintf(stderr, "thread %d create failed\n", i);
return 1;
}
sleep(1); /* don't pound RPC server all at once */
}
fprintf(stderr, "%d miner threads started\n", i);
/* main loop */
while (program_running) {
sleep(STAT_SLEEP_INTERVAL);
/* do nothing */
}
return 0;
}

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#ifndef __MINER_H__
#define __MINER_H__
#include "ocl.h"
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
#endif
extern int opt_protocol;
extern json_t *json_rpc_call(const char *url, const char *userpass,
const char *rpc_req);
extern char *bin2hex(unsigned char *p, size_t len);
extern int hex2bin(unsigned char *p, const char *hexstr, size_t len);
extern int timeval_subtract (struct timeval *result, struct timeval *x, struct timeval *y);
#endif /* __MINER_H__ */

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#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <time.h>
#include <sys/time.h>
#include <pthread.h>
#include "findnonce.h"
#include "ocl.h"
char *file_contents(const char *filename, int *length)
{
FILE *f = fopen(filename, "r");
void *buffer;
if (!f) {
fprintf(stderr, "Unable to open %s for reading\n", filename);
return NULL;
}
fseek(f, 0, SEEK_END);
*length = ftell(f);
fseek(f, 0, SEEK_SET);
buffer = malloc(*length+1);
*length = fread(buffer, 1, *length, f);
fclose(f);
((char*)buffer)[*length] = '\0';
return (char*)buffer;
}
int clDevicesNum() {
cl_int status = 0;
cl_uint numPlatforms;
cl_platform_id platform = NULL;
status = clGetPlatformIDs(0, NULL, &numPlatforms);
if(status != CL_SUCCESS)
{
printf("Error: Getting Platforms. (clGetPlatformsIDs)\n");
return -1;
}
if(numPlatforms > 0)
{
cl_platform_id* platforms = (cl_platform_id *)malloc(numPlatforms*sizeof(cl_platform_id));
status = clGetPlatformIDs(numPlatforms, platforms, NULL);
if(status != CL_SUCCESS)
{
printf("Error: Getting Platform Ids. (clGetPlatformsIDs)\n");
return -1;
}
unsigned int i;
for(i=0; i < numPlatforms; ++i)
{
char pbuff[100];
status = clGetPlatformInfo( platforms[i], CL_PLATFORM_VENDOR, sizeof(pbuff), pbuff, NULL);
if(status != CL_SUCCESS)
{
printf("Error: Getting Platform Info. (clGetPlatformInfo)\n");
free(platforms);
return -1;
}
platform = platforms[i];
if(!strcmp(pbuff, "Advanced Micro Devices, Inc."))
{
break;
}
}
free(platforms);
}
if(platform == NULL) {
perror("NULL platform found!\n");
return -1;
}
cl_uint numDevices;
status = clGetDeviceIDs(platform, CL_DEVICE_TYPE_GPU, 0, NULL, &numDevices);
if(status != CL_SUCCESS)
{
printf("Error: Getting Device IDs (num)\n");
return -1;
}
return numDevices;
}
_clState *initCl(int gpu, char *name, size_t nameSize) {
cl_int status = 0;
_clState *clState = malloc(sizeof(_clState));;
cl_uint numPlatforms;
cl_platform_id platform = NULL;
status = clGetPlatformIDs(0, NULL, &numPlatforms);
if(status != CL_SUCCESS)
{
printf("Error: Getting Platforms. (clGetPlatformsIDs)\n");
return NULL;
}
if(numPlatforms > 0)
{
cl_platform_id* platforms = (cl_platform_id *)malloc(numPlatforms*sizeof(cl_platform_id));
status = clGetPlatformIDs(numPlatforms, platforms, NULL);
if(status != CL_SUCCESS)
{
printf("Error: Getting Platform Ids. (clGetPlatformsIDs)\n");
return NULL;
}
unsigned int i;
for(i=0; i < numPlatforms; ++i)
{
char pbuff[100];
status = clGetPlatformInfo( platforms[i], CL_PLATFORM_VENDOR, sizeof(pbuff), pbuff, NULL);
if(status != CL_SUCCESS)
{
printf("Error: Getting Platform Info. (clGetPlatformInfo)\n");
free(platforms);
return NULL;
}
platform = platforms[i];
if(!strcmp(pbuff, "Advanced Micro Devices, Inc."))
{
break;
}
}
free(platforms);
}
if(platform == NULL) {
perror("NULL platform found!\n");
return NULL;
}
cl_uint numDevices;
status = clGetDeviceIDs(platform, CL_DEVICE_TYPE_GPU, 0, NULL, &numDevices);
if(status != CL_SUCCESS)
{
printf("Error: Getting Device IDs (num)\n");
return NULL;
}
cl_device_id *devices;
if(numDevices > 0 ) {
devices = (cl_device_id *)malloc(numDevices*sizeof(cl_device_id));
/* Now, get the device list data */
status = clGetDeviceIDs(platform, CL_DEVICE_TYPE_GPU, numDevices, devices, NULL);
if(status != CL_SUCCESS)
{
printf("Error: Getting Device IDs (list)\n");
return NULL;
}
printf("List of devices:\n");
int i;
for(i=0; i<numDevices; i++) {
char pbuff[100];
status = clGetDeviceInfo(devices[i], CL_DEVICE_NAME, sizeof(pbuff), pbuff, NULL);
if(status != CL_SUCCESS)
{
printf("Error: Getting Device Info\n");
return NULL;
}
printf("\t%i\t%s\n", i, pbuff);
}
if (gpu >= 0 && gpu < numDevices) {
char pbuff[100];
status = clGetDeviceInfo(devices[gpu], CL_DEVICE_NAME, sizeof(pbuff), pbuff, NULL);
if(status != CL_SUCCESS)
{
printf("Error: Getting Device Info\n");
return NULL;
}
printf("Selected %i: %s\n", gpu, pbuff);
strncpy(name, pbuff, nameSize);
} else {
printf("Invalid GPU %i\n", gpu);
return NULL;
}
} else return NULL;
cl_context_properties cps[3] = { CL_CONTEXT_PLATFORM, (cl_context_properties)platform, 0 };
clState->context = clCreateContextFromType(cps, CL_DEVICE_TYPE_GPU, NULL, NULL, &status);
if(status != CL_SUCCESS)
{
printf("Error: Creating Context. (clCreateContextFromType)\n");
return NULL;
}
/////////////////////////////////////////////////////////////////
// Load CL file, build CL program object, create CL kernel object
/////////////////////////////////////////////////////////////////
//
const char * filename = "oclminer.cl";
int pl;
char *source = file_contents(filename, &pl);
size_t sourceSize[] = {(size_t)pl};
clState->program = clCreateProgramWithSource(clState->context, 1, (const char **)&source, sourceSize, &status);
if(status != CL_SUCCESS)
{
printf("Error: Loading Binary into cl_program (clCreateProgramWithBinary)\n");
return NULL;
}
/* create a cl program executable for all the devices specified */
status = clBuildProgram(clState->program, 1, &devices[gpu], NULL, NULL, NULL);
if(status != CL_SUCCESS)
{
printf("Error: Building Program (clBuildProgram)\n");
size_t logSize;
status = clGetProgramBuildInfo(clState->program, devices[gpu], CL_PROGRAM_BUILD_LOG, 0, NULL, &logSize);
char *log = malloc(logSize);
status = clGetProgramBuildInfo(clState->program, devices[gpu], CL_PROGRAM_BUILD_LOG, logSize, log, NULL);
printf("%s\n", log);
return NULL;
}
/* get a kernel object handle for a kernel with the given name */
clState->kernel = clCreateKernel(clState->program, "oclminer", &status);
if(status != CL_SUCCESS)
{
printf("Error: Creating Kernel from program. (clCreateKernel)\n");
return NULL;
}
/////////////////////////////////////////////////////////////////
// Create an OpenCL command queue
/////////////////////////////////////////////////////////////////
clState->commandQueue = clCreateCommandQueue( clState->context, devices[gpu], 0, &status);
if(status != CL_SUCCESS)
{
printf("Creating Command Queue. (clCreateCommandQueue)\n");
return NULL;
}
clState->inputBuffer = clCreateBuffer(clState->context, CL_MEM_READ_WRITE, sizeof(dev_blk_ctx), NULL, &status);
if(status != CL_SUCCESS) {
printf("Error: clCreateBuffer (inputBuffer)\n");
return;
}
clState->outputBuffer = clCreateBuffer(clState->context, CL_MEM_READ_WRITE, sizeof(uint32_t) * MAXTHREADS, NULL, &status);
if(status != CL_SUCCESS) {
printf("Error: clCreateBuffer (outputBuffer)\n");
return;
}
return clState;
}

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#ifndef __OCL_H__
#define __OCL_H__
#include <CL/cl.h>
typedef struct {
cl_context context;
cl_kernel kernel;
cl_command_queue commandQueue;
cl_program program;
cl_mem inputBuffer;
cl_mem outputBuffer;
} _clState;
extern char *file_contents(const char *filename, int *length);
extern int clDevicesNum();
extern _clState *initCl(int gpu, char *name, size_t nameSize);
#endif /* __OCL_H__ */

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#define rotr(x, n) rotate(x, (uint)(32 - n))
#if WORKGROUPSIZE
#define WGS __attribute__((reqd_work_group_size(WORKGROUPSIZE, 1, 1)))
#else
#define WGS
#endif
__constant uint K[64] = {
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
};
typedef struct {
uint ctx_a; uint ctx_b; uint ctx_c; uint ctx_d;
uint ctx_e; uint ctx_f; uint ctx_g; uint ctx_h;
uint cty_a; uint cty_b; uint cty_c; uint cty_d;
uint cty_e; uint cty_f; uint cty_g; uint cty_h;
uint merkle; uint ntime; uint nbits; uint nonce;
uint fW0; uint fW1; uint fW2; uint fW3; uint fW15;
uint fW01r; uint fcty_e; uint fcty_e2;
} dev_blk_ctx;
__kernel __attribute__((vec_type_hint(uint))) WGS void oclminer(
__constant dev_blk_ctx *ctx, __global uint *output)
{
const uint fW0 = ctx->fW0;
const uint fW1 = ctx->fW1;
const uint fW2 = ctx->fW2;
const uint fW3 = ctx->fW3;
const uint fW15 = ctx->fW15;
const uint fW01r = ctx->fW01r;
const uint fcty_e = ctx->fcty_e;
const uint fcty_e2 = ctx->fcty_e2;
const uint state0 = ctx->ctx_a;
const uint state1 = ctx->ctx_b;
const uint state2 = ctx->ctx_c;
const uint state3 = ctx->ctx_d;
const uint state4 = ctx->ctx_e;
const uint state5 = ctx->ctx_f;
const uint state6 = ctx->ctx_g;
const uint state7 = ctx->ctx_h;
const uint B1 = ctx->cty_b;
const uint C1 = ctx->cty_c;
const uint D1 = ctx->cty_d;
const uint F1 = ctx->cty_f;
const uint G1 = ctx->cty_g;
const uint H1 = ctx->cty_h;
uint A, B, C, D, E, F, G, H;
uint W0, W1, W2, W3, W4, W5, W6, W7, W8, W9, W10, W11, W12, W13, W14, W15;
uint it, res = 0;
const uint myid = get_global_id(0);
const uint tnonce = (ctx->nonce + myid)<<10;
for(it = 0; it != 1024; it++) {
W3 = it ^ tnonce;
E = fcty_e + W3; A = state0 + E; E = E + fcty_e2;
D = D1 + (rotr(A, 6) ^ rotr(A, 11) ^ rotr(A, 25)) + (C1 ^ (A & (B1 ^ C1))) + K[ 4] + 0x80000000; H = H1 + D; D = D + (rotr(E, 2) ^ rotr(E, 13) ^ rotr(E, 22)) + ((E & F1) | (G1 & (E | F1)));
C = C1 + (rotr(H, 6) ^ rotr(H, 11) ^ rotr(H, 25)) + (B1 ^ (H & (A ^ B1))) + K[ 5]; G = G1 + C; C = C + (rotr(D, 2) ^ rotr(D, 13) ^ rotr(D, 22)) + ((D & E) | (F1 & (D | E)));
B = B1 + (rotr(G, 6) ^ rotr(G, 11) ^ rotr(G, 25)) + (A ^ (G & (H ^ A))) + K[ 6]; F = F1 + B; B = B + (rotr(C, 2) ^ rotr(C, 13) ^ rotr(C, 22)) + ((C & D) | (E & (C | D)));
A = A + (rotr(F, 6) ^ rotr(F, 11) ^ rotr(F, 25)) + (H ^ (F & (G ^ H))) + K[ 7]; E = E + A; A = A + (rotr(B, 2) ^ rotr(B, 13) ^ rotr(B, 22)) + ((B & C) | (D & (B | C)));
H = H + (rotr(E, 6) ^ rotr(E, 11) ^ rotr(E, 25)) + (G ^ (E & (F ^ G))) + K[ 8]; D = D + H; H = H + (rotr(A, 2) ^ rotr(A, 13) ^ rotr(A, 22)) + ((A & B) | (C & (A | B)));
G = G + (rotr(D, 6) ^ rotr(D, 11) ^ rotr(D, 25)) + (F ^ (D & (E ^ F))) + K[ 9]; C = C + G; G = G + (rotr(H, 2) ^ rotr(H, 13) ^ rotr(H, 22)) + ((H & A) | (B & (H | A)));
F = F + (rotr(C, 6) ^ rotr(C, 11) ^ rotr(C, 25)) + (E ^ (C & (D ^ E))) + K[10]; B = B + F; F = F + (rotr(G, 2) ^ rotr(G, 13) ^ rotr(G, 22)) + ((G & H) | (A & (G | H)));
E = E + (rotr(B, 6) ^ rotr(B, 11) ^ rotr(B, 25)) + (D ^ (B & (C ^ D))) + K[11]; A = A + E; E = E + (rotr(F, 2) ^ rotr(F, 13) ^ rotr(F, 22)) + ((F & G) | (H & (F | G)));
D = D + (rotr(A, 6) ^ rotr(A, 11) ^ rotr(A, 25)) + (C ^ (A & (B ^ C))) + K[12]; H = H + D; D = D + (rotr(E, 2) ^ rotr(E, 13) ^ rotr(E, 22)) + ((E & F) | (G & (E | F)));
C = C + (rotr(H, 6) ^ rotr(H, 11) ^ rotr(H, 25)) + (B ^ (H & (A ^ B))) + K[13]; G = G + C; C = C + (rotr(D, 2) ^ rotr(D, 13) ^ rotr(D, 22)) + ((D & E) | (F & (D | E)));
B = B + (rotr(G, 6) ^ rotr(G, 11) ^ rotr(G, 25)) + (A ^ (G & (H ^ A))) + K[14]; F = F + B; B = B + (rotr(C, 2) ^ rotr(C, 13) ^ rotr(C, 22)) + ((C & D) | (E & (C | D)));
A = A + (rotr(F, 6) ^ rotr(F, 11) ^ rotr(F, 25)) + (H ^ (F & (G ^ H))) + K[15] + 0x00000280; E = E + A; A = A + (rotr(B, 2) ^ rotr(B, 13) ^ rotr(B, 22)) + ((B & C) | (D & (B | C)));
H = H + (rotr(E, 6) ^ rotr(E, 11) ^ rotr(E, 25)) + (G ^ (E & (F ^ G))) + K[16] + fW0; D = D + H; H = H + (rotr(A, 2) ^ rotr(A, 13) ^ rotr(A, 22)) + ((A & B) | (C & (A | B)));
G = G + (rotr(D, 6) ^ rotr(D, 11) ^ rotr(D, 25)) + (F ^ (D & (E ^ F))) + K[17] + fW1; C = C + G; G = G + (rotr(H, 2) ^ rotr(H, 13) ^ rotr(H, 22)) + ((H & A) | (B & (H | A)));
W2 = (rotr(W3, 7) ^ rotr(W3, 18) ^ (W3 >> 3)) + fW2;
F = F + (rotr(C, 6) ^ rotr(C, 11) ^ rotr(C, 25)) + (E ^ (C & (D ^ E))) + K[18] + W2; B = B + F; F = F + (rotr(G, 2) ^ rotr(G, 13) ^ rotr(G, 22)) + ((G & H) | (A & (G | H)));
W3 = W3 + fW3;
E = E + (rotr(B, 6) ^ rotr(B, 11) ^ rotr(B, 25)) + (D ^ (B & (C ^ D))) + K[19] + W3; A = A + E; E = E + (rotr(F, 2) ^ rotr(F, 13) ^ rotr(F, 22)) + ((F & G) | (H & (F | G)));
W4 = (rotr(W2, 17) ^ rotr(W2, 19) ^ (W2 >> 10)) + 0x80000000;
D = D + (rotr(A, 6) ^ rotr(A, 11) ^ rotr(A, 25)) + (C ^ (A & (B ^ C))) + K[20] + W4; H = H + D; D = D + (rotr(E, 2) ^ rotr(E, 13) ^ rotr(E, 22)) + ((E & F) | (G & (E | F)));
W5 = (rotr(W3, 17) ^ rotr(W3, 19) ^ (W3 >> 10));
C = C + (rotr(H, 6) ^ rotr(H, 11) ^ rotr(H, 25)) + (B ^ (H & (A ^ B))) + K[21] + W5; G = G + C; C = C + (rotr(D, 2) ^ rotr(D, 13) ^ rotr(D, 22)) + ((D & E) | (F & (D | E)));
W6 = (rotr(W4, 17) ^ rotr(W4, 19) ^ (W4 >> 10)) + 0x00000280;
B = B + (rotr(G, 6) ^ rotr(G, 11) ^ rotr(G, 25)) + (A ^ (G & (H ^ A))) + K[22] + W6; F = F + B; B = B + (rotr(C, 2) ^ rotr(C, 13) ^ rotr(C, 22)) + ((C & D) | (E & (C | D)));
W7 = (rotr(W5, 17) ^ rotr(W5, 19) ^ (W5 >> 10)) + fW0;
A = A + (rotr(F, 6) ^ rotr(F, 11) ^ rotr(F, 25)) + (H ^ (F & (G ^ H))) + K[23] + W7; E = E + A; A = A + (rotr(B, 2) ^ rotr(B, 13) ^ rotr(B, 22)) + ((B & C) | (D & (B | C)));
W8 = (rotr(W6, 17) ^ rotr(W6, 19) ^ (W6 >> 10)) + fW1;
H = H + (rotr(E, 6) ^ rotr(E, 11) ^ rotr(E, 25)) + (G ^ (E & (F ^ G))) + K[24] + W8; D = D + H; H = H + (rotr(A, 2) ^ rotr(A, 13) ^ rotr(A, 22)) + ((A & B) | (C & (A | B)));
W9 = W2 + (rotr(W7, 17) ^ rotr(W7, 19) ^ (W7 >> 10));
G = G + (rotr(D, 6) ^ rotr(D, 11) ^ rotr(D, 25)) + (F ^ (D & (E ^ F))) + K[25] + W9; C = C + G; G = G + (rotr(H, 2) ^ rotr(H, 13) ^ rotr(H, 22)) + ((H & A) | (B & (H | A)));
W10 = W3 + (rotr(W8, 17) ^ rotr(W8, 19) ^ (W8 >> 10));
F = F + (rotr(C, 6) ^ rotr(C, 11) ^ rotr(C, 25)) + (E ^ (C & (D ^ E))) + K[26] + W10; B = B + F; F = F + (rotr(G, 2) ^ rotr(G, 13) ^ rotr(G, 22)) + ((G & H) | (A & (G | H)));
W11 = W4 + (rotr(W9, 17) ^ rotr(W9, 19) ^ (W9 >> 10));
E = E + (rotr(B, 6) ^ rotr(B, 11) ^ rotr(B, 25)) + (D ^ (B & (C ^ D))) + K[27] + W11; A = A + E; E = E + (rotr(F, 2) ^ rotr(F, 13) ^ rotr(F, 22)) + ((F & G) | (H & (F | G)));
W12 = W5 + (rotr(W10, 17) ^ rotr(W10, 19) ^ (W10 >> 10));
D = D + (rotr(A, 6) ^ rotr(A, 11) ^ rotr(A, 25)) + (C ^ (A & (B ^ C))) + K[28] + W12; H = H + D; D = D + (rotr(E, 2) ^ rotr(E, 13) ^ rotr(E, 22)) + ((E & F) | (G & (E | F)));
W13 = W6 + (rotr(W11, 17) ^ rotr(W11, 19) ^ (W11 >> 10));
C = C + (rotr(H, 6) ^ rotr(H, 11) ^ rotr(H, 25)) + (B ^ (H & (A ^ B))) + K[29] + W13; G = G + C; C = C + (rotr(D, 2) ^ rotr(D, 13) ^ rotr(D, 22)) + ((D & E) | (F & (D | E)));
W14 = 0x00a00055 + W7 + (rotr(W12, 17) ^ rotr(W12, 19) ^ (W12 >> 10));
B = B + (rotr(G, 6) ^ rotr(G, 11) ^ rotr(G, 25)) + (A ^ (G & (H ^ A))) + K[30] + W14; F = F + B; B = B + (rotr(C, 2) ^ rotr(C, 13) ^ rotr(C, 22)) + ((C & D) | (E & (C | D)));
W15 = fW15 + W8 + (rotr(W13, 17) ^ rotr(W13, 19) ^ (W13 >> 10));
A = A + (rotr(F, 6) ^ rotr(F, 11) ^ rotr(F, 25)) + (H ^ (F & (G ^ H))) + K[31] + W15; E = E + A; A = A + (rotr(B, 2) ^ rotr(B, 13) ^ rotr(B, 22)) + ((B & C) | (D & (B | C)));
W0 = fW01r + W9 + (rotr(W14, 17) ^ rotr(W14, 19) ^ (W14 >> 10));
H = H + (rotr(E, 6) ^ rotr(E, 11) ^ rotr(E, 25)) + (G ^ (E & (F ^ G))) + K[32] + W0; D = D + H; H = H + (rotr(A, 2) ^ rotr(A, 13) ^ rotr(A, 22)) + ((A & B) | (C & (A | B)));
W1 = fW1 + (rotr(W2, 7) ^ rotr(W2, 18) ^ (W2 >> 3)) + W10 + (rotr(W15, 17) ^ rotr(W15, 19) ^ (W15 >> 10));
G = G + (rotr(D, 6) ^ rotr(D, 11) ^ rotr(D, 25)) + (F ^ (D & (E ^ F))) + K[33] + W1; C = C + G; G = G + (rotr(H, 2) ^ rotr(H, 13) ^ rotr(H, 22)) + ((H & A) | (B & (H | A)));
W2 = W2 + (rotr(W3, 7) ^ rotr(W3, 18) ^ (W3 >> 3)) + W11 + (rotr(W0, 17) ^ rotr(W0, 19) ^ (W0 >> 10));
F = F + (rotr(C, 6) ^ rotr(C, 11) ^ rotr(C, 25)) + (E ^ (C & (D ^ E))) + K[34] + W2; B = B + F; F = F + (rotr(G, 2) ^ rotr(G, 13) ^ rotr(G, 22)) + ((G & H) | (A & (G | H)));
W3 = W3 + (rotr(W4, 7) ^ rotr(W4, 18) ^ (W4 >> 3)) + W12 + (rotr(W1, 17) ^ rotr(W1, 19) ^ (W1 >> 10));
E = E + (rotr(B, 6) ^ rotr(B, 11) ^ rotr(B, 25)) + (D ^ (B & (C ^ D))) + K[35] + W3; A = A + E; E = E + (rotr(F, 2) ^ rotr(F, 13) ^ rotr(F, 22)) + ((F & G) | (H & (F | G)));
W4 = W4 + (rotr(W5, 7) ^ rotr(W5, 18) ^ (W5 >> 3)) + W13 + (rotr(W2, 17) ^ rotr(W2, 19) ^ (W2 >> 10));
D = D + (rotr(A, 6) ^ rotr(A, 11) ^ rotr(A, 25)) + (C ^ (A & (B ^ C))) + K[36] + W4; H = H + D; D = D + (rotr(E, 2) ^ rotr(E, 13) ^ rotr(E, 22)) + ((E & F) | (G & (E | F)));
W5 = W5 + (rotr(W6, 7) ^ rotr(W6, 18) ^ (W6 >> 3)) + W14 + (rotr(W3, 17) ^ rotr(W3, 19) ^ (W3 >> 10));
C = C + (rotr(H, 6) ^ rotr(H, 11) ^ rotr(H, 25)) + (B ^ (H & (A ^ B))) + K[37] + W5; G = G + C; C = C + (rotr(D, 2) ^ rotr(D, 13) ^ rotr(D, 22)) + ((D & E) | (F & (D | E)));
W6 = W6 + (rotr(W7, 7) ^ rotr(W7, 18) ^ (W7 >> 3)) + W15 + (rotr(W4, 17) ^ rotr(W4, 19) ^ (W4 >> 10));
B = B + (rotr(G, 6) ^ rotr(G, 11) ^ rotr(G, 25)) + (A ^ (G & (H ^ A))) + K[38] + W6; F = F + B; B = B + (rotr(C, 2) ^ rotr(C, 13) ^ rotr(C, 22)) + ((C & D) | (E & (C | D)));
W7 = W7 + (rotr(W8, 7) ^ rotr(W8, 18) ^ (W8 >> 3)) + W0 + (rotr(W5, 17) ^ rotr(W5, 19) ^ (W5 >> 10));
A = A + (rotr(F, 6) ^ rotr(F, 11) ^ rotr(F, 25)) + (H ^ (F & (G ^ H))) + K[39] + W7; E = E + A; A = A + (rotr(B, 2) ^ rotr(B, 13) ^ rotr(B, 22)) + ((B & C) | (D & (B | C)));
W8 = W8 + (rotr(W9, 7) ^ rotr(W9, 18) ^ (W9 >> 3)) + W1 + (rotr(W6, 17) ^ rotr(W6, 19) ^ (W6 >> 10));
H = H + (rotr(E, 6) ^ rotr(E, 11) ^ rotr(E, 25)) + (G ^ (E & (F ^ G))) + K[40] + W8; D = D + H; H = H + (rotr(A, 2) ^ rotr(A, 13) ^ rotr(A, 22)) + ((A & B) | (C & (A | B)));
W9 = W9 + (rotr(W10, 7) ^ rotr(W10, 18) ^ (W10 >> 3)) + W2 + (rotr(W7, 17) ^ rotr(W7, 19) ^ (W7 >> 10));
G = G + (rotr(D, 6) ^ rotr(D, 11) ^ rotr(D, 25)) + (F ^ (D & (E ^ F))) + K[41] + W9; C = C + G; G = G + (rotr(H, 2) ^ rotr(H, 13) ^ rotr(H, 22)) + ((H & A) | (B & (H | A)));
W10 = W10 + (rotr(W11, 7) ^ rotr(W11, 18) ^ (W11 >> 3)) + W3 + (rotr(W8, 17) ^ rotr(W8, 19) ^ (W8 >> 10));
F = F + (rotr(C, 6) ^ rotr(C, 11) ^ rotr(C, 25)) + (E ^ (C & (D ^ E))) + K[42] + W10; B = B + F; F = F + (rotr(G, 2) ^ rotr(G, 13) ^ rotr(G, 22)) + ((G & H) | (A & (G | H)));
W11 = W11 + (rotr(W12, 7) ^ rotr(W12, 18) ^ (W12 >> 3)) + W4 + (rotr(W9, 17) ^ rotr(W9, 19) ^ (W9 >> 10));
E = E + (rotr(B, 6) ^ rotr(B, 11) ^ rotr(B, 25)) + (D ^ (B & (C ^ D))) + K[43] + W11; A = A + E; E = E + (rotr(F, 2) ^ rotr(F, 13) ^ rotr(F, 22)) + ((F & G) | (H & (F | G)));
W12 = W12 + (rotr(W13, 7) ^ rotr(W13, 18) ^ (W13 >> 3)) + W5 + (rotr(W10, 17) ^ rotr(W10, 19) ^ (W10 >> 10));
D = D + (rotr(A, 6) ^ rotr(A, 11) ^ rotr(A, 25)) + (C ^ (A & (B ^ C))) + K[44] + W12; H = H + D; D = D + (rotr(E, 2) ^ rotr(E, 13) ^ rotr(E, 22)) + ((E & F) | (G & (E | F)));
W13 = W13 + (rotr(W14, 7) ^ rotr(W14, 18) ^ (W14 >> 3)) + W6 + (rotr(W11, 17) ^ rotr(W11, 19) ^ (W11 >> 10));
C = C + (rotr(H, 6) ^ rotr(H, 11) ^ rotr(H, 25)) + (B ^ (H & (A ^ B))) + K[45] + W13; G = G + C; C = C + (rotr(D, 2) ^ rotr(D, 13) ^ rotr(D, 22)) + ((D & E) | (F & (D | E)));
W14 = W14 + (rotr(W15, 7) ^ rotr(W15, 18) ^ (W15 >> 3)) + W7 + (rotr(W12, 17) ^ rotr(W12, 19) ^ (W12 >> 10));
B = B + (rotr(G, 6) ^ rotr(G, 11) ^ rotr(G, 25)) + (A ^ (G & (H ^ A))) + K[46] + W14; F = F + B; B = B + (rotr(C, 2) ^ rotr(C, 13) ^ rotr(C, 22)) + ((C & D) | (E & (C | D)));
W15 = W15 + (rotr(W0, 7) ^ rotr(W0, 18) ^ (W0 >> 3)) + W8 + (rotr(W13, 17) ^ rotr(W13, 19) ^ (W13 >> 10));
A = A + (rotr(F, 6) ^ rotr(F, 11) ^ rotr(F, 25)) + (H ^ (F & (G ^ H))) + K[47] + W15; E = E + A; A = A + (rotr(B, 2) ^ rotr(B, 13) ^ rotr(B, 22)) + ((B & C) | (D & (B | C)));
W0 = W0 + (rotr(W1, 7) ^ rotr(W1, 18) ^ (W1 >> 3)) + W9 + (rotr(W14, 17) ^ rotr(W14, 19) ^ (W14 >> 10));
H = H + (rotr(E, 6) ^ rotr(E, 11) ^ rotr(E, 25)) + (G ^ (E & (F ^ G))) + K[48] + W0; D = D + H; H = H + (rotr(A, 2) ^ rotr(A, 13) ^ rotr(A, 22)) + ((A & B) | (C & (A | B)));
W1 = W1 + (rotr(W2, 7) ^ rotr(W2, 18) ^ (W2 >> 3)) + W10 + (rotr(W15, 17) ^ rotr(W15, 19) ^ (W15 >> 10));
G = G + (rotr(D, 6) ^ rotr(D, 11) ^ rotr(D, 25)) + (F ^ (D & (E ^ F))) + K[49] + W1; C = C + G; G = G + (rotr(H, 2) ^ rotr(H, 13) ^ rotr(H, 22)) + ((H & A) | (B & (H | A)));
W2 = W2 + (rotr(W3, 7) ^ rotr(W3, 18) ^ (W3 >> 3)) + W11 + (rotr(W0, 17) ^ rotr(W0, 19) ^ (W0 >> 10));
F = F + (rotr(C, 6) ^ rotr(C, 11) ^ rotr(C, 25)) + (E ^ (C & (D ^ E))) + K[50] + W2; B = B + F; F = F + (rotr(G, 2) ^ rotr(G, 13) ^ rotr(G, 22)) + ((G & H) | (A & (G | H)));
W3 = W3 + (rotr(W4, 7) ^ rotr(W4, 18) ^ (W4 >> 3)) + W12 + (rotr(W1, 17) ^ rotr(W1, 19) ^ (W1 >> 10));
E = E + (rotr(B, 6) ^ rotr(B, 11) ^ rotr(B, 25)) + (D ^ (B & (C ^ D))) + K[51] + W3; A = A + E; E = E + (rotr(F, 2) ^ rotr(F, 13) ^ rotr(F, 22)) + ((F & G) | (H & (F | G)));
W4 = W4 + (rotr(W5, 7) ^ rotr(W5, 18) ^ (W5 >> 3)) + W13 + (rotr(W2, 17) ^ rotr(W2, 19) ^ (W2 >> 10));
D = D + (rotr(A, 6) ^ rotr(A, 11) ^ rotr(A, 25)) + (C ^ (A & (B ^ C))) + K[52] + W4; H = H + D; D = D + (rotr(E, 2) ^ rotr(E, 13) ^ rotr(E, 22)) + ((E & F) | (G & (E | F)));
W5 = W5 + (rotr(W6, 7) ^ rotr(W6, 18) ^ (W6 >> 3)) + W14 + (rotr(W3, 17) ^ rotr(W3, 19) ^ (W3 >> 10));
C = C + (rotr(H, 6) ^ rotr(H, 11) ^ rotr(H, 25)) + (B ^ (H & (A ^ B))) + K[53] + W5; G = G + C; C = C + (rotr(D, 2) ^ rotr(D, 13) ^ rotr(D, 22)) + ((D & E) | (F & (D | E)));
W6 = W6 + (rotr(W7, 7) ^ rotr(W7, 18) ^ (W7 >> 3)) + W15 + (rotr(W4, 17) ^ rotr(W4, 19) ^ (W4 >> 10));
B = B + (rotr(G, 6) ^ rotr(G, 11) ^ rotr(G, 25)) + (A ^ (G & (H ^ A))) + K[54] + W6; F = F + B; B = B + (rotr(C, 2) ^ rotr(C, 13) ^ rotr(C, 22)) + ((C & D) | (E & (C | D)));
W7 = W7 + (rotr(W8, 7) ^ rotr(W8, 18) ^ (W8 >> 3)) + W0 + (rotr(W5, 17) ^ rotr(W5, 19) ^ (W5 >> 10));
A = A + (rotr(F, 6) ^ rotr(F, 11) ^ rotr(F, 25)) + (H ^ (F & (G ^ H))) + K[55] + W7; E = E + A; A = A + (rotr(B, 2) ^ rotr(B, 13) ^ rotr(B, 22)) + ((B & C) | (D & (B | C)));
W8 = W8 + (rotr(W9, 7) ^ rotr(W9, 18) ^ (W9 >> 3)) + W1 + (rotr(W6, 17) ^ rotr(W6, 19) ^ (W6 >> 10));
H = H + (rotr(E, 6) ^ rotr(E, 11) ^ rotr(E, 25)) + (G ^ (E & (F ^ G))) + K[56] + W8; D = D + H; H = H + (rotr(A, 2) ^ rotr(A, 13) ^ rotr(A, 22)) + ((A & B) | (C & (A | B)));
W9 = W9 + (rotr(W10, 7) ^ rotr(W10, 18) ^ (W10 >> 3)) + W2 + (rotr(W7, 17) ^ rotr(W7, 19) ^ (W7 >> 10));
G = G + (rotr(D, 6) ^ rotr(D, 11) ^ rotr(D, 25)) + (F ^ (D & (E ^ F))) + K[57] + W9; C = C + G; G = G + (rotr(H, 2) ^ rotr(H, 13) ^ rotr(H, 22)) + ((H & A) | (B & (H | A)));
W10 = W10 + (rotr(W11, 7) ^ rotr(W11, 18) ^ (W11 >> 3)) + W3 + (rotr(W8, 17) ^ rotr(W8, 19) ^ (W8 >> 10));
F = F + (rotr(C, 6) ^ rotr(C, 11) ^ rotr(C, 25)) + (E ^ (C & (D ^ E))) + K[58] + W10; B = B + F; F = F + (rotr(G, 2) ^ rotr(G, 13) ^ rotr(G, 22)) + ((G & H) | (A & (G | H)));
W11 = W11 + (rotr(W12, 7) ^ rotr(W12, 18) ^ (W12 >> 3)) + W4 + (rotr(W9, 17) ^ rotr(W9, 19) ^ (W9 >> 10));
E = E + (rotr(B, 6) ^ rotr(B, 11) ^ rotr(B, 25)) + (D ^ (B & (C ^ D))) + K[59] + W11; A = A + E; E = E + (rotr(F, 2) ^ rotr(F, 13) ^ rotr(F, 22)) + ((F & G) | (H & (F | G)));
W12 = W12 + (rotr(W13, 7) ^ rotr(W13, 18) ^ (W13 >> 3)) + W5 + (rotr(W10, 17) ^ rotr(W10, 19) ^ (W10 >> 10));
D = D + (rotr(A, 6) ^ rotr(A, 11) ^ rotr(A, 25)) + (C ^ (A & (B ^ C))) + K[60] + W12; H = H + D; D = D + (rotr(E, 2) ^ rotr(E, 13) ^ rotr(E, 22)) + ((E & F) | (G & (E | F)));
W13 = W13 + (rotr(W14, 7) ^ rotr(W14, 18) ^ (W14 >> 3)) + W6 + (rotr(W11, 17) ^ rotr(W11, 19) ^ (W11 >> 10));
C = C + (rotr(H, 6) ^ rotr(H, 11) ^ rotr(H, 25)) + (B ^ (H & (A ^ B))) + K[61] + W13; G = G + C; C = C + (rotr(D, 2) ^ rotr(D, 13) ^ rotr(D, 22)) + ((D & E) | (F & (D | E)));
W14 = W14 + (rotr(W15, 7) ^ rotr(W15, 18) ^ (W15 >> 3)) + W7 + (rotr(W12, 17) ^ rotr(W12, 19) ^ (W12 >> 10));
B = B + (rotr(G, 6) ^ rotr(G, 11) ^ rotr(G, 25)) + (A ^ (G & (H ^ A))) + K[62] + W14; F = F + B; B = B + (rotr(C, 2) ^ rotr(C, 13) ^ rotr(C, 22)) + ((C & D) | (E & (C | D)));
W15 = W15 + (rotr(W0, 7) ^ rotr(W0, 18) ^ (W0 >> 3)) + W8 + (rotr(W13, 17) ^ rotr(W13, 19) ^ (W13 >> 10));
A = A + (rotr(F, 6) ^ rotr(F, 11) ^ rotr(F, 25)) + (H ^ (F & (G ^ H))) + K[63] + W15; E = E + A; A = A + (rotr(B, 2) ^ rotr(B, 13) ^ rotr(B, 22)) + ((B & C) | (D & (B | C)));
W0 = A + state0; W1 = B + state1;
W2 = C + state2; W3 = D + state3;
W4 = E + state4; W5 = F + state5;
W6 = G + state6; W7 = H + state7;
H = 0xb0edbdd0 + K[ 0] + W0; D = 0xa54ff53a + H; H = H + 0x08909ae5;
G = 0x1f83d9ab + (rotr(D, 6) ^ rotr(D, 11) ^ rotr(D, 25)) + (0x9b05688c ^ (D & 0xca0b3af3)) + K[ 1] + W1; C = 0x3c6ef372 + G; G = G + (rotr(H, 2) ^ rotr(H, 13) ^ rotr(H, 22)) + ((H & 0x6a09e667) | (0xbb67ae85 & (H | 0x6a09e667)));
F = 0x9b05688c + (rotr(C, 6) ^ rotr(C, 11) ^ rotr(C, 25)) + (0x510e527f ^ (C & (D ^ 0x510e527f))) + K[ 2] + W2; B = 0xbb67ae85 + F; F = F + (rotr(G, 2) ^ rotr(G, 13) ^ rotr(G, 22)) + ((G & H) | (0x6a09e667 & (G | H)));
E = 0x510e527f + (rotr(B, 6) ^ rotr(B, 11) ^ rotr(B, 25)) + (D ^ (B & (C ^ D))) + K[ 3] + W3; A = 0x6a09e667 + E; E = E + (rotr(F, 2) ^ rotr(F, 13) ^ rotr(F, 22)) + ((F & G) | (H & (F | G)));
D = D + (rotr(A, 6) ^ rotr(A, 11) ^ rotr(A, 25)) + (C ^ (A & (B ^ C))) + K[ 4] + W4; H = H + D; D = D + (rotr(E, 2) ^ rotr(E, 13) ^ rotr(E, 22)) + ((E & F) | (G & (E | F)));
C = C + (rotr(H, 6) ^ rotr(H, 11) ^ rotr(H, 25)) + (B ^ (H & (A ^ B))) + K[ 5] + W5; G = G + C; C = C + (rotr(D, 2) ^ rotr(D, 13) ^ rotr(D, 22)) + ((D & E) | (F & (D | E)));
B = B + (rotr(G, 6) ^ rotr(G, 11) ^ rotr(G, 25)) + (A ^ (G & (H ^ A))) + K[ 6] + W6; F = F + B; B = B + (rotr(C, 2) ^ rotr(C, 13) ^ rotr(C, 22)) + ((C & D) | (E & (C | D)));
A = A + (rotr(F, 6) ^ rotr(F, 11) ^ rotr(F, 25)) + (H ^ (F & (G ^ H))) + K[ 7] + W7; E = E + A; A = A + (rotr(B, 2) ^ rotr(B, 13) ^ rotr(B, 22)) + ((B & C) | (D & (B | C)));
H = H + (rotr(E, 6) ^ rotr(E, 11) ^ rotr(E, 25)) + (G ^ (E & (F ^ G))) + K[ 8] + 0x80000000; D = D + H; H = H + (rotr(A, 2) ^ rotr(A, 13) ^ rotr(A, 22)) + ((A & B) | (C & (A | B)));
G = G + (rotr(D, 6) ^ rotr(D, 11) ^ rotr(D, 25)) + (F ^ (D & (E ^ F))) + K[ 9]; C = C + G; G = G + (rotr(H, 2) ^ rotr(H, 13) ^ rotr(H, 22)) + ((H & A) | (B & (H | A)));
F = F + (rotr(C, 6) ^ rotr(C, 11) ^ rotr(C, 25)) + (E ^ (C & (D ^ E))) + K[10]; B = B + F; F = F + (rotr(G, 2) ^ rotr(G, 13) ^ rotr(G, 22)) + ((G & H) | (A & (G | H)));
E = E + (rotr(B, 6) ^ rotr(B, 11) ^ rotr(B, 25)) + (D ^ (B & (C ^ D))) + K[11]; A = A + E; E = E + (rotr(F, 2) ^ rotr(F, 13) ^ rotr(F, 22)) + ((F & G) | (H & (F | G)));
D = D + (rotr(A, 6) ^ rotr(A, 11) ^ rotr(A, 25)) + (C ^ (A & (B ^ C))) + K[12]; H = H + D; D = D + (rotr(E, 2) ^ rotr(E, 13) ^ rotr(E, 22)) + ((E & F) | (G & (E | F)));
C = C + (rotr(H, 6) ^ rotr(H, 11) ^ rotr(H, 25)) + (B ^ (H & (A ^ B))) + K[13]; G = G + C; C = C + (rotr(D, 2) ^ rotr(D, 13) ^ rotr(D, 22)) + ((D & E) | (F & (D | E)));
B = B + (rotr(G, 6) ^ rotr(G, 11) ^ rotr(G, 25)) + (A ^ (G & (H ^ A))) + K[14]; F = F + B; B = B + (rotr(C, 2) ^ rotr(C, 13) ^ rotr(C, 22)) + ((C & D) | (E & (C | D)));
A = A + (rotr(F, 6) ^ rotr(F, 11) ^ rotr(F, 25)) + (H ^ (F & (G ^ H))) + K[15] + 0x00000100; E = E + A; A = A + (rotr(B, 2) ^ rotr(B, 13) ^ rotr(B, 22)) + ((B & C) | (D & (B | C)));
W0 = W0 + (rotr(W1, 7) ^ rotr(W1, 18) ^ (W1 >> 3));
H = H + (rotr(E, 6) ^ rotr(E, 11) ^ rotr(E, 25)) + (G ^ (E & (F ^ G))) + K[16] + W0; D = D + H; H = H + (rotr(A, 2) ^ rotr(A, 13) ^ rotr(A, 22)) + ((A & B) | (C & (A | B)));
W1 = W1 + (rotr(W2, 7) ^ rotr(W2, 18) ^ (W2 >> 3)) + 0x00a00000;
G = G + (rotr(D, 6) ^ rotr(D, 11) ^ rotr(D, 25)) + (F ^ (D & (E ^ F))) + K[17] + W1; C = C + G; G = G + (rotr(H, 2) ^ rotr(H, 13) ^ rotr(H, 22)) + ((H & A) | (B & (H | A)));
W2 = W2 + (rotr(W3, 7) ^ rotr(W3, 18) ^ (W3 >> 3)) + (rotr(W0, 17) ^ rotr(W0, 19) ^ (W0 >> 10));
F = F + (rotr(C, 6) ^ rotr(C, 11) ^ rotr(C, 25)) + (E ^ (C & (D ^ E))) + K[18] + W2; B = B + F; F = F + (rotr(G, 2) ^ rotr(G, 13) ^ rotr(G, 22)) + ((G & H) | (A & (G | H)));
W3 = W3 + (rotr(W4, 7) ^ rotr(W4, 18) ^ (W4 >> 3)) + (rotr(W1, 17) ^ rotr(W1, 19) ^ (W1 >> 10));
E = E + (rotr(B, 6) ^ rotr(B, 11) ^ rotr(B, 25)) + (D ^ (B & (C ^ D))) + K[19] + W3; A = A + E; E = E + (rotr(F, 2) ^ rotr(F, 13) ^ rotr(F, 22)) + ((F & G) | (H & (F | G)));
W4 = W4 + (rotr(W5, 7) ^ rotr(W5, 18) ^ (W5 >> 3)) + (rotr(W2, 17) ^ rotr(W2, 19) ^ (W2 >> 10));
D = D + (rotr(A, 6) ^ rotr(A, 11) ^ rotr(A, 25)) + (C ^ (A & (B ^ C))) + K[20] + W4; H = H + D; D = D + (rotr(E, 2) ^ rotr(E, 13) ^ rotr(E, 22)) + ((E & F) | (G & (E | F)));
W5 = W5 + (rotr(W6, 7) ^ rotr(W6, 18) ^ (W6 >> 3)) + (rotr(W3, 17) ^ rotr(W3, 19) ^ (W3 >> 10));
C = C + (rotr(H, 6) ^ rotr(H, 11) ^ rotr(H, 25)) + (B ^ (H & (A ^ B))) + K[21] + W5; G = G + C; C = C + (rotr(D, 2) ^ rotr(D, 13) ^ rotr(D, 22)) + ((D & E) | (F & (D | E)));
W6 = W6 + (rotr(W7, 7) ^ rotr(W7, 18) ^ (W7 >> 3)) + 0x00000100 + (rotr(W4, 17) ^ rotr(W4, 19) ^ (W4 >> 10));
B = B + (rotr(G, 6) ^ rotr(G, 11) ^ rotr(G, 25)) + (A ^ (G & (H ^ A))) + K[22] + W6; F = F + B; B = B + (rotr(C, 2) ^ rotr(C, 13) ^ rotr(C, 22)) + ((C & D) | (E & (C | D)));
W7 = W7 + 0x11002000 + W0 + (rotr(W5, 17) ^ rotr(W5, 19) ^ (W5 >> 10));
A = A + (rotr(F, 6) ^ rotr(F, 11) ^ rotr(F, 25)) + (H ^ (F & (G ^ H))) + K[23] + W7; E = E + A; A = A + (rotr(B, 2) ^ rotr(B, 13) ^ rotr(B, 22)) + ((B & C) | (D & (B | C)));
W8 = 0x80000000 + W1 + (rotr(W6, 17) ^ rotr(W6, 19) ^ (W6 >> 10));
H = H + (rotr(E, 6) ^ rotr(E, 11) ^ rotr(E, 25)) + (G ^ (E & (F ^ G))) + K[24] + W8; D = D + H; H = H + (rotr(A, 2) ^ rotr(A, 13) ^ rotr(A, 22)) + ((A & B) | (C & (A | B)));
W9 = W2 + (rotr(W7, 17) ^ rotr(W7, 19) ^ (W7 >> 10));
G = G + (rotr(D, 6) ^ rotr(D, 11) ^ rotr(D, 25)) + (F ^ (D & (E ^ F))) + K[25] + W9; C = C + G; G = G + (rotr(H, 2) ^ rotr(H, 13) ^ rotr(H, 22)) + ((H & A) | (B & (H | A)));
W10 = W3 + (rotr(W8, 17) ^ rotr(W8, 19) ^ (W8 >> 10));
F = F + (rotr(C, 6) ^ rotr(C, 11) ^ rotr(C, 25)) + (E ^ (C & (D ^ E))) + K[26] + W10; B = B + F; F = F + (rotr(G, 2) ^ rotr(G, 13) ^ rotr(G, 22)) + ((G & H) | (A & (G | H)));
W11 = W4 + (rotr(W9, 17) ^ rotr(W9, 19) ^ (W9 >> 10));
E = E + (rotr(B, 6) ^ rotr(B, 11) ^ rotr(B, 25)) + (D ^ (B & (C ^ D))) + K[27] + W11; A = A + E; E = E + (rotr(F, 2) ^ rotr(F, 13) ^ rotr(F, 22)) + ((F & G) | (H & (F | G)));
W12 = W5 + (rotr(W10, 17) ^ rotr(W10, 19) ^ (W10 >> 10));
D = D + (rotr(A, 6) ^ rotr(A, 11) ^ rotr(A, 25)) + (C ^ (A & (B ^ C))) + K[28] + W12; H = H + D; D = D + (rotr(E, 2) ^ rotr(E, 13) ^ rotr(E, 22)) + ((E & F) | (G & (E | F)));
W13 = W6 + (rotr(W11, 17) ^ rotr(W11, 19) ^ (W11 >> 10));
C = C + (rotr(H, 6) ^ rotr(H, 11) ^ rotr(H, 25)) + (B ^ (H & (A ^ B))) + K[29] + W13; G = G + C; C = C + (rotr(D, 2) ^ rotr(D, 13) ^ rotr(D, 22)) + ((D & E) | (F & (D | E)));
W14 = 0x00400022 + W7 + (rotr(W12, 17) ^ rotr(W12, 19) ^ (W12 >> 10));
B = B + (rotr(G, 6) ^ rotr(G, 11) ^ rotr(G, 25)) + (A ^ (G & (H ^ A))) + K[30] + W14; F = F + B; B = B + (rotr(C, 2) ^ rotr(C, 13) ^ rotr(C, 22)) + ((C & D) | (E & (C | D)));
W15 = 0x00000100 + (rotr(W0, 7) ^ rotr(W0, 18) ^ (W0 >> 3)) + W8 + (rotr(W13, 17) ^ rotr(W13, 19) ^ (W13 >> 10));
A = A + (rotr(F, 6) ^ rotr(F, 11) ^ rotr(F, 25)) + (H ^ (F & (G ^ H))) + K[31] + W15; E = E + A; A = A + (rotr(B, 2) ^ rotr(B, 13) ^ rotr(B, 22)) + ((B & C) | (D & (B | C)));
W0 = W0 + (rotr(W1, 7) ^ rotr(W1, 18) ^ (W1 >> 3)) + W9 + (rotr(W14, 17) ^ rotr(W14, 19) ^ (W14 >> 10));
H = H + (rotr(E, 6) ^ rotr(E, 11) ^ rotr(E, 25)) + (G ^ (E & (F ^ G))) + K[32] + W0; D = D + H; H = H + (rotr(A, 2) ^ rotr(A, 13) ^ rotr(A, 22)) + ((A & B) | (C & (A | B)));
W1 = W1 + (rotr(W2, 7) ^ rotr(W2, 18) ^ (W2 >> 3)) + W10 + (rotr(W15, 17) ^ rotr(W15, 19) ^ (W15 >> 10));
G = G + (rotr(D, 6) ^ rotr(D, 11) ^ rotr(D, 25)) + (F ^ (D & (E ^ F))) + K[33] + W1; C = C + G; G = G + (rotr(H, 2) ^ rotr(H, 13) ^ rotr(H, 22)) + ((H & A) | (B & (H | A)));
W2 = W2 + (rotr(W3, 7) ^ rotr(W3, 18) ^ (W3 >> 3)) + W11 + (rotr(W0, 17) ^ rotr(W0, 19) ^ (W0 >> 10));
F = F + (rotr(C, 6) ^ rotr(C, 11) ^ rotr(C, 25)) + (E ^ (C & (D ^ E))) + K[34] + W2; B = B + F; F = F + (rotr(G, 2) ^ rotr(G, 13) ^ rotr(G, 22)) + ((G & H) | (A & (G | H)));
W3 = W3 + (rotr(W4, 7) ^ rotr(W4, 18) ^ (W4 >> 3)) + W12 + (rotr(W1, 17) ^ rotr(W1, 19) ^ (W1 >> 10));
E = E + (rotr(B, 6) ^ rotr(B, 11) ^ rotr(B, 25)) + (D ^ (B & (C ^ D))) + K[35] + W3; A = A + E; E = E + (rotr(F, 2) ^ rotr(F, 13) ^ rotr(F, 22)) + ((F & G) | (H & (F | G)));
W4 = W4 + (rotr(W5, 7) ^ rotr(W5, 18) ^ (W5 >> 3)) + W13 + (rotr(W2, 17) ^ rotr(W2, 19) ^ (W2 >> 10));
D = D + (rotr(A, 6) ^ rotr(A, 11) ^ rotr(A, 25)) + (C ^ (A & (B ^ C))) + K[36] + W4; H = H + D; D = D + (rotr(E, 2) ^ rotr(E, 13) ^ rotr(E, 22)) + ((E & F) | (G & (E | F)));
W5 = W5 + (rotr(W6, 7) ^ rotr(W6, 18) ^ (W6 >> 3)) + W14 + (rotr(W3, 17) ^ rotr(W3, 19) ^ (W3 >> 10));
C = C + (rotr(H, 6) ^ rotr(H, 11) ^ rotr(H, 25)) + (B ^ (H & (A ^ B))) + K[37] + W5; G = G + C; C = C + (rotr(D, 2) ^ rotr(D, 13) ^ rotr(D, 22)) + ((D & E) | (F & (D | E)));
W6 = W6 + (rotr(W7, 7) ^ rotr(W7, 18) ^ (W7 >> 3)) + W15 + (rotr(W4, 17) ^ rotr(W4, 19) ^ (W4 >> 10));
B = B + (rotr(G, 6) ^ rotr(G, 11) ^ rotr(G, 25)) + (A ^ (G & (H ^ A))) + K[38] + W6; F = F + B; B = B + (rotr(C, 2) ^ rotr(C, 13) ^ rotr(C, 22)) + ((C & D) | (E & (C | D)));
W7 = W7 + (rotr(W8, 7) ^ rotr(W8, 18) ^ (W8 >> 3)) + W0 + (rotr(W5, 17) ^ rotr(W5, 19) ^ (W5 >> 10));
A = A + (rotr(F, 6) ^ rotr(F, 11) ^ rotr(F, 25)) + (H ^ (F & (G ^ H))) + K[39] + W7; E = E + A; A = A + (rotr(B, 2) ^ rotr(B, 13) ^ rotr(B, 22)) + ((B & C) | (D & (B | C)));
W8 = W8 + (rotr(W9, 7) ^ rotr(W9, 18) ^ (W9 >> 3)) + W1 + (rotr(W6, 17) ^ rotr(W6, 19) ^ (W6 >> 10));
H = H + (rotr(E, 6) ^ rotr(E, 11) ^ rotr(E, 25)) + (G ^ (E & (F ^ G))) + K[40] + W8; D = D + H; H = H + (rotr(A, 2) ^ rotr(A, 13) ^ rotr(A, 22)) + ((A & B) | (C & (A | B)));
W9 = W9 + (rotr(W10, 7) ^ rotr(W10, 18) ^ (W10 >> 3)) + W2 + (rotr(W7, 17) ^ rotr(W7, 19) ^ (W7 >> 10));
G = G + (rotr(D, 6) ^ rotr(D, 11) ^ rotr(D, 25)) + (F ^ (D & (E ^ F))) + K[41] + W9; C = C + G; G = G + (rotr(H, 2) ^ rotr(H, 13) ^ rotr(H, 22)) + ((H & A) | (B & (H | A)));
W10 = W10 + (rotr(W11, 7) ^ rotr(W11, 18) ^ (W11 >> 3)) + W3 + (rotr(W8, 17) ^ rotr(W8, 19) ^ (W8 >> 10));
F = F + (rotr(C, 6) ^ rotr(C, 11) ^ rotr(C, 25)) + (E ^ (C & (D ^ E))) + K[42] + W10; B = B + F; F = F + (rotr(G, 2) ^ rotr(G, 13) ^ rotr(G, 22)) + ((G & H) | (A & (G | H)));
W11 = W11 + (rotr(W12, 7) ^ rotr(W12, 18) ^ (W12 >> 3)) + W4 + (rotr(W9, 17) ^ rotr(W9, 19) ^ (W9 >> 10));
E = E + (rotr(B, 6) ^ rotr(B, 11) ^ rotr(B, 25)) + (D ^ (B & (C ^ D))) + K[43] + W11; A = A + E; E = E + (rotr(F, 2) ^ rotr(F, 13) ^ rotr(F, 22)) + ((F & G) | (H & (F | G)));
W12 = W12 + (rotr(W13, 7) ^ rotr(W13, 18) ^ (W13 >> 3)) + W5 + (rotr(W10, 17) ^ rotr(W10, 19) ^ (W10 >> 10));
D = D + (rotr(A, 6) ^ rotr(A, 11) ^ rotr(A, 25)) + (C ^ (A & (B ^ C))) + K[44] + W12; H = H + D; D = D + (rotr(E, 2) ^ rotr(E, 13) ^ rotr(E, 22)) + ((E & F) | (G & (E | F)));
W13 = W13 + (rotr(W14, 7) ^ rotr(W14, 18) ^ (W14 >> 3)) + W6 + (rotr(W11, 17) ^ rotr(W11, 19) ^ (W11 >> 10));
C = C + (rotr(H, 6) ^ rotr(H, 11) ^ rotr(H, 25)) + (B ^ (H & (A ^ B))) + K[45] + W13; G = G + C; C = C + (rotr(D, 2) ^ rotr(D, 13) ^ rotr(D, 22)) + ((D & E) | (F & (D | E)));
W14 = W14 + (rotr(W15, 7) ^ rotr(W15, 18) ^ (W15 >> 3)) + W7 + (rotr(W12, 17) ^ rotr(W12, 19) ^ (W12 >> 10));
B = B + (rotr(G, 6) ^ rotr(G, 11) ^ rotr(G, 25)) + (A ^ (G & (H ^ A))) + K[46] + W14; F = F + B; B = B + (rotr(C, 2) ^ rotr(C, 13) ^ rotr(C, 22)) + ((C & D) | (E & (C | D)));
W15 = W15 + (rotr(W0, 7) ^ rotr(W0, 18) ^ (W0 >> 3)) + W8 + (rotr(W13, 17) ^ rotr(W13, 19) ^ (W13 >> 10));
A = A + (rotr(F, 6) ^ rotr(F, 11) ^ rotr(F, 25)) + (H ^ (F & (G ^ H))) + K[47] + W15; E = E + A; A = A + (rotr(B, 2) ^ rotr(B, 13) ^ rotr(B, 22)) + ((B & C) | (D & (B | C)));
W0 = W0 + (rotr(W1, 7) ^ rotr(W1, 18) ^ (W1 >> 3)) + W9 + (rotr(W14, 17) ^ rotr(W14, 19) ^ (W14 >> 10));
H = H + (rotr(E, 6) ^ rotr(E, 11) ^ rotr(E, 25)) + (G ^ (E & (F ^ G))) + K[48] + W0; D = D + H; H = H + (rotr(A, 2) ^ rotr(A, 13) ^ rotr(A, 22)) + ((A & B) | (C & (A | B)));
W1 = W1 + (rotr(W2, 7) ^ rotr(W2, 18) ^ (W2 >> 3)) + W10 + (rotr(W15, 17) ^ rotr(W15, 19) ^ (W15 >> 10));
G = G + (rotr(D, 6) ^ rotr(D, 11) ^ rotr(D, 25)) + (F ^ (D & (E ^ F))) + K[49] + W1; C = C + G; G = G + (rotr(H, 2) ^ rotr(H, 13) ^ rotr(H, 22)) + ((H & A) | (B & (H | A)));
W2 = W2 + (rotr(W3, 7) ^ rotr(W3, 18) ^ (W3 >> 3)) + W11 + (rotr(W0, 17) ^ rotr(W0, 19) ^ (W0 >> 10));
F = F + (rotr(C, 6) ^ rotr(C, 11) ^ rotr(C, 25)) + (E ^ (C & (D ^ E))) + K[50] + W2; B = B + F; F = F + (rotr(G, 2) ^ rotr(G, 13) ^ rotr(G, 22)) + ((G & H) | (A & (G | H)));
W3 = W3 + (rotr(W4, 7) ^ rotr(W4, 18) ^ (W4 >> 3)) + W12 + (rotr(W1, 17) ^ rotr(W1, 19) ^ (W1 >> 10));
E = E + (rotr(B, 6) ^ rotr(B, 11) ^ rotr(B, 25)) + (D ^ (B & (C ^ D))) + K[51] + W3; A = A + E; E = E + (rotr(F, 2) ^ rotr(F, 13) ^ rotr(F, 22)) + ((F & G) | (H & (F | G)));
W4 = W4 + (rotr(W5, 7) ^ rotr(W5, 18) ^ (W5 >> 3)) + W13 + (rotr(W2, 17) ^ rotr(W2, 19) ^ (W2 >> 10));
D = D + (rotr(A, 6) ^ rotr(A, 11) ^ rotr(A, 25)) + (C ^ (A & (B ^ C))) + K[52] + W4; H = H + D; D = D + (rotr(E, 2) ^ rotr(E, 13) ^ rotr(E, 22)) + ((E & F) | (G & (E | F)));
W5 = W5 + (rotr(W6, 7) ^ rotr(W6, 18) ^ (W6 >> 3)) + W14 + (rotr(W3, 17) ^ rotr(W3, 19) ^ (W3 >> 10));
C = C + (rotr(H, 6) ^ rotr(H, 11) ^ rotr(H, 25)) + (B ^ (H & (A ^ B))) + K[53] + W5; G = G + C; C = C + (rotr(D, 2) ^ rotr(D, 13) ^ rotr(D, 22)) + ((D & E) | (F & (D | E)));
W6 = W6 + (rotr(W7, 7) ^ rotr(W7, 18) ^ (W7 >> 3)) + W15 + (rotr(W4, 17) ^ rotr(W4, 19) ^ (W4 >> 10));
B = B + (rotr(G, 6) ^ rotr(G, 11) ^ rotr(G, 25)) + (A ^ (G & (H ^ A))) + K[54] + W6; F = F + B; B = B + (rotr(C, 2) ^ rotr(C, 13) ^ rotr(C, 22)) + ((C & D) | (E & (C | D)));
W7 = W7 + (rotr(W8, 7) ^ rotr(W8, 18) ^ (W8 >> 3)) + W0 + (rotr(W5, 17) ^ rotr(W5, 19) ^ (W5 >> 10));
A = A + (rotr(F, 6) ^ rotr(F, 11) ^ rotr(F, 25)) + (H ^ (F & (G ^ H))) + K[55] + W7; E = E + A; A = A + (rotr(B, 2) ^ rotr(B, 13) ^ rotr(B, 22)) + ((B & C) | (D & (B | C)));
W8 = W8 + (rotr(W9, 7) ^ rotr(W9, 18) ^ (W9 >> 3)) + W1 + (rotr(W6, 17) ^ rotr(W6, 19) ^ (W6 >> 10));
H = H + (rotr(E, 6) ^ rotr(E, 11) ^ rotr(E, 25)) + (G ^ (E & (F ^ G))) + K[56] + W8; D = D + H; H = H + (rotr(A, 2) ^ rotr(A, 13) ^ rotr(A, 22)) + ((A & B) | (C & (A | B)));
W9 = W9 + (rotr(W10, 7) ^ rotr(W10, 18) ^ (W10 >> 3)) + W2 + (rotr(W7, 17) ^ rotr(W7, 19) ^ (W7 >> 10));
G = G + (rotr(D, 6) ^ rotr(D, 11) ^ rotr(D, 25)) + (F ^ (D & (E ^ F))) + K[57] + W9; C = C + G;
W10 = W10 + (rotr(W11, 7) ^ rotr(W11, 18) ^ (W11 >> 3)) + W3 + (rotr(W8, 17) ^ rotr(W8, 19) ^ (W8 >> 10));
F = F + (rotr(C, 6) ^ rotr(C, 11) ^ rotr(C, 25)) + (E ^ (C & (D ^ E))) + K[58] + W10; B = B + F;
W11 = W11 + (rotr(W12, 7) ^ rotr(W12, 18) ^ (W12 >> 3)) + W4 + (rotr(W9, 17) ^ rotr(W9, 19) ^ (W9 >> 10));
E = E + (rotr(B, 6) ^ rotr(B, 11) ^ rotr(B, 25)) + (D ^ (B & (C ^ D))) + K[59] + W11; A = A + E;
W12 = W12 + (rotr(W13, 7) ^ rotr(W13, 18) ^ (W13 >> 3)) + W5 + (rotr(W10, 17) ^ rotr(W10, 19) ^ (W10 >> 10));
D = D + (rotr(A, 6) ^ rotr(A, 11) ^ rotr(A, 25)) + (C ^ (A & (B ^ C))) + K[60] + W12; H = H + D;
if(H + 0x5be0cd19 == 0) res = ~0;
}
output[myid] = res;
}

228
util.c
Unescape View File

@ -0,0 +1,228 @@
/*
* Copyright 2010 Jeff Garzik
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version. See COPYING for more details.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <jansson.h>
#include <curl/curl.h>
#include "miner.h"
struct data_buffer {
void *buf;
size_t len;
};
struct upload_buffer {
const void *buf;
size_t len;
};
static void databuf_free(struct data_buffer *db)
{
if (!db)
return;
free(db->buf);
memset(db, 0, sizeof(*db));
}
static size_t all_data_cb(const void *ptr, size_t size, size_t nmemb,
void *user_data)
{
struct data_buffer *db = user_data;
size_t len = size * nmemb;
size_t oldlen, newlen;
void *newmem;
static const unsigned char zero;
oldlen = db->len;
newlen = oldlen + len;
newmem = realloc(db->buf, newlen + 1);
if (!newmem)
return 0;
db->buf = newmem;
db->len = newlen;
memcpy(db->buf + oldlen, ptr, len);
memcpy(db->buf + newlen, &zero, 1); /* null terminate */
return len;
}
static size_t upload_data_cb(void *ptr, size_t size, size_t nmemb,
void *user_data)
{
struct upload_buffer *ub = user_data;
int len = size * nmemb;
if (len > ub->len)
len = ub->len;
if (len) {
memcpy(ptr, ub->buf, len);
ub->buf += len;
ub->len -= len;
}
return len;
}
json_t *json_rpc_call(const char *url, const char *userpass, const char *rpc_req)
{
CURL *curl;
json_t *val;
int rc;
struct data_buffer all_data = { };
struct upload_buffer upload_data;
json_error_t err = { };
struct curl_slist *headers = NULL;
char len_hdr[64];
curl = curl_easy_init();
if (!curl)
return NULL;
if (opt_protocol)
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_ENCODING, "");
curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1);
curl_easy_setopt(curl, CURLOPT_TCP_NODELAY, 1);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, all_data_cb);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &all_data);
curl_easy_setopt(curl, CURLOPT_READFUNCTION, upload_data_cb);
curl_easy_setopt(curl, CURLOPT_READDATA, &upload_data);
if (userpass) {
curl_easy_setopt(curl, CURLOPT_USERPWD, userpass);
curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
}
curl_easy_setopt(curl, CURLOPT_POST, 1);
if (opt_protocol)
printf("JSON protocol request:\n%s\n", rpc_req);
upload_data.buf = rpc_req;
upload_data.len = strlen(rpc_req);
sprintf(len_hdr, "Content-Length: %lu",
(unsigned long) upload_data.len);
headers = curl_slist_append(headers,
"Content-type: application/json");
headers = curl_slist_append(headers, len_hdr);
headers = curl_slist_append(headers, "Expect:"); /* disable Expect hdr*/
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
rc = curl_easy_perform(curl);
if (rc)
goto err_out;
val = json_loads(all_data.buf, &err);
if (!val) {
fprintf(stderr, "JSON failed(%d): %s\n", err.line, err.text);
goto err_out;
}
if (opt_protocol) {
char *s = json_dumps(val, JSON_INDENT(3));
printf("JSON protocol response:\n%s\n", s);
free(s);
}
databuf_free(&all_data);
curl_slist_free_all(headers);
curl_easy_cleanup(curl);
return val;
err_out:
databuf_free(&all_data);
curl_slist_free_all(headers);
curl_easy_cleanup(curl);
return NULL;
}
char *bin2hex(unsigned char *p, size_t len)
{
int i;
char *s = malloc((len * 2) + 1);
if (!s)
return NULL;
for (i = 0; i < len; i++)
sprintf(s + (i * 2), "%02x", (unsigned int) p[i]);
return s;
}
int hex2bin(unsigned char *p, const char *hexstr, size_t len)
{
while (*hexstr && len) {
char hex_byte[3];
unsigned int v;
if (!hexstr[1]) {
fprintf(stderr, "hex2bin str truncated\n");
return 0;
}
hex_byte[0] = hexstr[0];
hex_byte[1] = hexstr[1];
hex_byte[2] = 0;
if (sscanf(hex_byte, "%x", &v) != 1) {
fprintf(stderr, "hex2bin sscanf '%s' failed\n",
hex_byte);
return 0;
}
*p = (unsigned char) v;
p++;
hexstr += 2;
len--;
}
return len == 0 && *hexstr == 0;
}
/* Subtract the `struct timeval' values X and Y,
storing the result in RESULT.
Return 1 if the difference is negative, otherwise 0. */
int
timeval_subtract (
struct timeval *result, struct timeval *x, struct timeval *y)
{
/* Perform the carry for the later subtraction by updating Y. */
if (x->tv_usec < y->tv_usec) {
int nsec = (y->tv_usec - x->tv_usec) / 1000000 + 1;
y->tv_usec -= 1000000 * nsec;
y->tv_sec += nsec;
}
if (x->tv_usec - y->tv_usec > 1000000) {
int nsec = (x->tv_usec - y->tv_usec) / 1000000;
y->tv_usec += 1000000 * nsec;
y->tv_sec -= nsec;
}
/* Compute the time remaining to wait.
`tv_usec' is certainly positive. */
result->tv_sec = x->tv_sec - y->tv_sec;
result->tv_usec = x->tv_usec - y->tv_usec;
/* Return 1 if result is negative. */
return x->tv_sec < y->tv_sec;
}
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