GOSTCoin addresses vainer
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/*
* Vanitygen, vanity bitcoin address generator
* Copyright (C) 2011 <samr7@cs.washington.edu>
*
* Vanitygen is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* Vanitygen is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Vanitygen. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <assert.h>
#include <openssl/ec.h>
#include <openssl/bn.h>
#include <openssl/rand.h>
#include "oclengine.h"
#include "pattern.h"
#include "util.h"
const char *version = VANITYGEN_VERSION;
const int debug = 0;
void
usage(const char *name)
{
fprintf(stderr,
"oclVanitygen %s (" OPENSSL_VERSION_TEXT ")\n"
"Usage: %s [-vqrikNTS] [-d <device>] [-f <filename>|-] [<pattern>...]\n"
"Generates a bitcoin receiving address matching <pattern>, and outputs the\n"
"address and associated private key. The private key may be stored in a safe\n"
"location or imported into a bitcoin client to spend any balance received on\n"
"the address.\n"
"By default, <pattern> is interpreted as an exact prefix.\n"
"\n"
"Options:\n"
"-v Verbose output\n"
"-q Quiet output\n"
"-i Case-insensitive prefix search\n"
"-k Keep pattern and continue search after finding a match\n"
"-N Generate namecoin address\n"
"-T Generate bitcoin testnet address\n"
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"-X <version> Generate address with the given version\n"
"-e Encrypt private keys, prompt for password\n"
"-E <password> Encrypt private keys with <password> (UNSAFE)\n"
"-p <platform> Select OpenCL platform\n"
"-d <device> Select OpenCL device\n"
"-S Safe mode, disable OpenCL loop unrolling optimizations\n"
"-w <worksize> Set work items per thread in a work unit\n"
"-t <threads> Set target thread count per multiprocessor\n"
"-g <x>x<y> Set grid size\n"
"-b <invsize> Set modular inverse ops per thread\n"
"-V Enable kernel/OpenCL/hardware verification (SLOW)\n"
"-f <file> File containing list of patterns, one per line\n"
" (Use \"-\" as the file name for stdin)\n"
"-o <file> Write pattern matches to <file>\n"
"-s <file> Seed random number generator from <file>\n",
version, name);
}
int
main(int argc, char **argv)
{
int addrtype = 0;
int privtype = 128;
int regex = 0;
int caseinsensitive = 0;
int opt;
char pwbuf[128];
int platformidx = -1, deviceidx = -1;
int prompt_password = 0;
char *seedfile = NULL;
FILE *fp = NULL;
char **patterns, *pend;
int verbose = 1;
int npatterns = 0;
int nthreads = 0;
int worksize = 0;
int nrows = 0, ncols = 0;
int invsize = 0;
int remove_on_match = 1;
int verify_mode = 0;
int safe_mode = 0;
vg_context_t *vcp = NULL;
vg_ocl_context_t *vocp = NULL;
EC_POINT *pubkey_base = NULL;
const char *result_file = NULL;
const char *key_password = NULL;
while ((opt = getopt(argc, argv,
"vqikNTX:eE:p:P:d:w:t:g:b:VSh?f:o:s:")) != -1) {
switch (opt) {
case 'v':
verbose = 2;
break;
case 'q':
verbose = 0;
break;
case 'i':
caseinsensitive = 1;
break;
case 'k':
remove_on_match = 0;
break;
case 'N':
addrtype = 52;
privtype = 180;
break;
case 'T':
addrtype = 111;
privtype = 239;
break;
13 years ago
case 'X':
addrtype = atoi(optarg);
privtype = 128 + addrtype;
break;
case 'e':
prompt_password = 1;
break;
case 'E':
key_password = optarg;
break;
case 'p':
platformidx = atoi(optarg);
break;
case 'd':
deviceidx = atoi(optarg);
break;
case 'w':
worksize = atoi(optarg);
if (worksize == 0) {
fprintf(stderr,
"Invalid work size '%s'\n", optarg);
return 1;
}
break;
case 't':
nthreads = atoi(optarg);
if (nthreads == 0) {
fprintf(stderr,
"Invalid thread count '%s'\n", optarg);
return 1;
}
break;
case 'g':
nrows = 0;
ncols = strtol(optarg, &pend, 0);
if (pend && *pend == 'x') {
nrows = strtol(pend+1, NULL, 0);
}
if (!nrows || !ncols) {
fprintf(stderr,
"Invalid grid size '%s'\n", optarg);
return 1;
}
break;
case 'b':
invsize = atoi(optarg);
if (!invsize) {
fprintf(stderr,
"Invalid modular inverse size '%s'\n",
optarg);
return 1;
}
if (invsize & (invsize - 1)) {
fprintf(stderr,
"Modular inverse size must be "
"a power of 2\n");
return 1;
}
break;
case 'V':
verify_mode = 1;
break;
case 'S':
safe_mode = 1;
break;
case 'P': {
if (pubkey_base != NULL) {
fprintf(stderr,
"Multiple base pubkeys specified\n");
return 1;
}
EC_KEY *pkey = vg_exec_context_new_key();
pubkey_base = EC_POINT_hex2point(
EC_KEY_get0_group(pkey),
optarg, NULL, NULL);
EC_KEY_free(pkey);
if (pubkey_base == NULL) {
fprintf(stderr,
"Invalid base pubkey\n");
return 1;
}
break;
}
case 'f':
if (fp) {
fprintf(stderr, "Multiple files specified\n");
return 1;
}
if (!strcmp(optarg, "-")) {
fp = stdin;
} else {
fp = fopen(optarg, "r");
if (!fp) {
fprintf(stderr,
"Could not open %s: %s\n",
optarg, strerror(errno));
return 1;
}
}
break;
case 'o':
if (result_file) {
fprintf(stderr,
"Multiple output files specified\n");
return 1;
}
result_file = optarg;
break;
case 's':
if (seedfile != NULL) {
fprintf(stderr,
"Multiple RNG seeds specified\n");
return 1;
}
seedfile = optarg;
break;
default:
usage(argv[0]);
return 1;
}
}
#if OPENSSL_VERSION_NUMBER < 0x10000000L
/* Complain about older versions of OpenSSL */
if (verbose > 0) {
fprintf(stderr,
"WARNING: Built with " OPENSSL_VERSION_TEXT "\n"
"WARNING: Use OpenSSL 1.0.0d+ for best performance\n");
}
#endif
if (caseinsensitive && regex)
fprintf(stderr,
"WARNING: case insensitive mode incompatible with "
"regular expressions\n");
if (seedfile) {
opt = -1;
#if !defined(_WIN32)
{ struct stat st;
if (!stat(seedfile, &st) &&
(st.st_mode & (S_IFBLK|S_IFCHR))) {
opt = 32;
} }
#endif
opt = RAND_load_file(seedfile, opt);
if (!opt) {
fprintf(stderr, "Could not load RNG seed %s\n", optarg);
return 1;
}
if (verbose > 0) {
fprintf(stderr,
"Read %d bytes from RNG seed file\n", opt);
}
}
if (fp) {
if (!vg_read_file(fp, &patterns, &npatterns)) {
fprintf(stderr, "Failed to load pattern file\n");
return 1;
}
if (fp != stdin)
fclose(fp);
} else {
if (optind >= argc) {
usage(argv[0]);
return 1;
}
patterns = &argv[optind];
npatterns = argc - optind;
}
if (regex) {
vcp = vg_regex_context_new(addrtype, privtype);
} else {
vcp = vg_prefix_context_new(addrtype, privtype,
caseinsensitive);
}
vcp->vc_verbose = verbose;
vcp->vc_result_file = result_file;
vcp->vc_remove_on_match = remove_on_match;
vcp->vc_pubkey_base = pubkey_base;
vcp->vc_output_match = vg_output_match_console;
vcp->vc_output_timing = vg_output_timing_console;
if (!vg_context_add_patterns(vcp, (const char ** const)patterns,
npatterns))
return 1;
if (!vcp->vc_npatterns) {
fprintf(stderr, "No patterns to search\n");
return 1;
}
if (prompt_password) {
if (!vg_read_password(pwbuf, sizeof(pwbuf)))
return 1;
key_password = pwbuf;
}
vcp->vc_key_protect_pass = key_password;
if (key_password) {
if (!vg_check_password_complexity(key_password, verbose))
fprintf(stderr,
"WARNING: Protecting private keys with "
"weak password\n");
}
if ((verbose > 0) && regex && (vcp->vc_npatterns > 1))
fprintf(stderr,
"Regular expressions: %ld\n", vcp->vc_npatterns);
vocp = vg_ocl_context_new(vcp, platformidx, deviceidx,
safe_mode, verify_mode,
worksize, nthreads, nrows, ncols, invsize);
if (!vocp) {
return 1;
}
vg_opencl_loop(vocp);
vg_ocl_context_free(vocp);
return 0;
}