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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

@ -0,0 +1,340 @@
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.
Preamble
The licenses for most software are designed to take away your
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General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
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TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
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END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
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<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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
when it starts in an interactive mode:
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
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
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mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
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
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.

3
LICENSE

@ -0,0 +1,3 @@
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

@ -0,0 +1,187 @@
/*
* 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;
}

17
findnonce.h

@ -0,0 +1,17 @@
#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);

506
miner.c

@ -0,0 +1,506 @@
/*
* 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;
}

18
miner.h

@ -0,0 +1,18 @@
#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__ */

271
ocl.c

@ -0,0 +1,271 @@
#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;
}

18
ocl.h

@ -0,0 +1,18 @@
#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__ */

288
oclminer.cl

@ -0,0 +1,288 @@
#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

@ -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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