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431 lines
10 KiB
431 lines
10 KiB
/* |
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* Vanitygen, vanity bitcoin address generator |
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* Copyright (C) 2011 <samr7@cs.washington.edu> |
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* |
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* Vanitygen is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* any later version. |
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* |
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* Vanitygen is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with Vanitygen. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#include <stdio.h> |
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#include <string.h> |
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#include <math.h> |
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#include <assert.h> |
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#include <openssl/ec.h> |
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#include <openssl/bn.h> |
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#include <openssl/rand.h> |
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#include "oclengine.h" |
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#include "pattern.h" |
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#include "util.h" |
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const char *version = VANITYGEN_VERSION; |
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const int debug = 0; |
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void |
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usage(const char *name) |
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{ |
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fprintf(stderr, |
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"oclVanitygen %s (" OPENSSL_VERSION_TEXT ")\n" |
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"Usage: %s [-vqrik1NTS] [-d <device>] [-f <filename>|-] [<pattern>...]\n" |
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"Generates a bitcoin receiving address matching <pattern>, and outputs the\n" |
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"address and associated private key. The private key may be stored in a safe\n" |
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"location or imported into a bitcoin client to spend any balance received on\n" |
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"the address.\n" |
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"By default, <pattern> is interpreted as an exact prefix.\n" |
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"By default, if no device is specified, and the system has exactly one OpenCL\n" |
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"device, it will be selected automatically, otherwise if the system has\n" |
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"multiple OpenCL devices and no device is specified, an error will be\n" |
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"reported. To use multiple devices simultaneously, specify the -D option for\n" |
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"each device.\n" |
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"\n" |
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"Options:\n" |
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"-v Verbose output\n" |
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"-q Quiet output\n" |
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"-i Case-insensitive prefix search\n" |
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"-k Keep pattern and continue search after finding a match\n" |
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"-1 Stop after first match\n" |
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"-N Generate namecoin address\n" |
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"-T Generate bitcoin testnet address\n" |
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"-X <version> Generate address with the given version\n" |
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"-e Encrypt private keys, prompt for password\n" |
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"-E <password> Encrypt private keys with <password> (UNSAFE)\n" |
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"-p <platform> Select OpenCL platform\n" |
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"-d <device> Select OpenCL device\n" |
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"-D <devstr> Use OpenCL device, identified by device string\n" |
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" Form: <platform>:<devicenumber>[,<options>]\n" |
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" Example: 0:0,grid=1024x1024\n" |
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"-S Safe mode, disable OpenCL loop unrolling optimizations\n" |
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"-w <worksize> Set work items per thread in a work unit\n" |
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"-t <threads> Set target thread count per multiprocessor\n" |
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"-g <x>x<y> Set grid size\n" |
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"-b <invsize> Set modular inverse ops per thread\n" |
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"-V Enable kernel/OpenCL/hardware verification (SLOW)\n" |
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"-f <file> File containing list of patterns, one per line\n" |
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" (Use \"-\" as the file name for stdin)\n" |
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"-o <file> Write pattern matches to <file>\n" |
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"-s <file> Seed random number generator from <file>\n", |
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version, name); |
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} |
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#define MAX_DEVS 32 |
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#define MAX_FILE 4 |
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int |
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main(int argc, char **argv) |
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{ |
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int addrtype = 0; |
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int privtype = 128; |
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int regex = 0; |
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int caseinsensitive = 0; |
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int opt; |
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char pwbuf[128]; |
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int platformidx = -1, deviceidx = -1; |
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int prompt_password = 0; |
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char *seedfile = NULL; |
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char **patterns, *pend; |
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int verbose = 1; |
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int npatterns = 0; |
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int nthreads = 0; |
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int worksize = 0; |
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int nrows = 0, ncols = 0; |
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int invsize = 0; |
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int remove_on_match = 1; |
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int only_one = 0; |
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int verify_mode = 0; |
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int safe_mode = 0; |
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vg_context_t *vcp = NULL; |
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vg_ocl_context_t *vocp = NULL; |
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EC_POINT *pubkey_base = NULL; |
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const char *result_file = NULL; |
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const char *key_password = NULL; |
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char *devstrs[MAX_DEVS]; |
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int ndevstrs = 0; |
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int opened = 0; |
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FILE *pattfp[MAX_FILE], *fp; |
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int pattfpi[MAX_FILE]; |
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int npattfp = 0; |
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int pattstdin = 0; |
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int i; |
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while ((opt = getopt(argc, argv, |
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"vqik1NTX:eE:p:P:d:w:t:g:b:VSh?f:o:s:D:")) != -1) { |
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switch (opt) { |
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case 'v': |
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verbose = 2; |
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break; |
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case 'q': |
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verbose = 0; |
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break; |
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case 'i': |
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caseinsensitive = 1; |
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break; |
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case 'k': |
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remove_on_match = 0; |
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break; |
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case '1': |
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only_one = 1; |
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break; |
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case 'N': |
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addrtype = 52; |
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privtype = 180; |
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break; |
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case 'T': |
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addrtype = 111; |
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privtype = 239; |
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break; |
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case 'X': |
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addrtype = atoi(optarg); |
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privtype = 128 + addrtype; |
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break; |
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case 'e': |
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prompt_password = 1; |
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break; |
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case 'E': |
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key_password = optarg; |
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break; |
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case 'p': |
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platformidx = atoi(optarg); |
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break; |
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case 'd': |
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deviceidx = atoi(optarg); |
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break; |
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case 'w': |
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worksize = atoi(optarg); |
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if (worksize == 0) { |
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fprintf(stderr, |
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"Invalid work size '%s'\n", optarg); |
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return 1; |
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} |
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break; |
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case 't': |
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nthreads = atoi(optarg); |
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if (nthreads == 0) { |
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fprintf(stderr, |
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"Invalid thread count '%s'\n", optarg); |
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return 1; |
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} |
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break; |
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case 'g': |
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nrows = 0; |
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ncols = strtol(optarg, &pend, 0); |
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if (pend && *pend == 'x') { |
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nrows = strtol(pend+1, NULL, 0); |
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} |
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if (!nrows || !ncols) { |
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fprintf(stderr, |
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"Invalid grid size '%s'\n", optarg); |
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return 1; |
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} |
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break; |
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case 'b': |
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invsize = atoi(optarg); |
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if (!invsize) { |
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fprintf(stderr, |
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"Invalid modular inverse size '%s'\n", |
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optarg); |
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return 1; |
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} |
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if (invsize & (invsize - 1)) { |
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fprintf(stderr, |
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"Modular inverse size must be " |
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"a power of 2\n"); |
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return 1; |
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} |
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break; |
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case 'V': |
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verify_mode = 1; |
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break; |
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case 'S': |
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safe_mode = 1; |
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break; |
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case 'D': |
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if (ndevstrs >= MAX_DEVS) { |
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fprintf(stderr, |
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"Too many OpenCL devices (limit %d)\n", |
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MAX_DEVS); |
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return 1; |
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} |
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devstrs[ndevstrs++] = optarg; |
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break; |
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case 'P': { |
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if (pubkey_base != NULL) { |
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fprintf(stderr, |
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"Multiple base pubkeys specified\n"); |
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return 1; |
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} |
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EC_KEY *pkey = vg_exec_context_new_key(); |
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pubkey_base = EC_POINT_hex2point( |
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EC_KEY_get0_group(pkey), |
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optarg, NULL, NULL); |
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EC_KEY_free(pkey); |
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if (pubkey_base == NULL) { |
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fprintf(stderr, |
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"Invalid base pubkey\n"); |
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return 1; |
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} |
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break; |
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} |
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case 'f': |
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if (npattfp >= MAX_FILE) { |
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fprintf(stderr, |
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"Too many input files specified\n"); |
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return 1; |
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} |
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if (!strcmp(optarg, "-")) { |
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if (pattstdin) { |
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fprintf(stderr, "ERROR: stdin " |
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"specified multiple times\n"); |
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return 1; |
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} |
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fp = stdin; |
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} else { |
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fp = fopen(optarg, "r"); |
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if (!fp) { |
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fprintf(stderr, |
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"Could not open %s: %s\n", |
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optarg, strerror(errno)); |
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return 1; |
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} |
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} |
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pattfp[npattfp] = fp; |
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pattfpi[npattfp] = caseinsensitive; |
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npattfp++; |
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break; |
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case 'o': |
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if (result_file) { |
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fprintf(stderr, |
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"Multiple output files specified\n"); |
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return 1; |
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} |
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result_file = optarg; |
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break; |
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case 's': |
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if (seedfile != NULL) { |
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fprintf(stderr, |
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"Multiple RNG seeds specified\n"); |
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return 1; |
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} |
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seedfile = optarg; |
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break; |
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default: |
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usage(argv[0]); |
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return 1; |
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} |
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} |
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#if OPENSSL_VERSION_NUMBER < 0x10000000L |
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/* Complain about older versions of OpenSSL */ |
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if (verbose > 0) { |
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fprintf(stderr, |
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"WARNING: Built with " OPENSSL_VERSION_TEXT "\n" |
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"WARNING: Use OpenSSL 1.0.0d+ for best performance\n"); |
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} |
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#endif |
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if (caseinsensitive && regex) |
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fprintf(stderr, |
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"WARNING: case insensitive mode incompatible with " |
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"regular expressions\n"); |
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if (seedfile) { |
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opt = -1; |
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#if !defined(_WIN32) |
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{ struct stat st; |
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if (!stat(seedfile, &st) && |
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(st.st_mode & (S_IFBLK|S_IFCHR))) { |
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opt = 32; |
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} } |
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#endif |
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opt = RAND_load_file(seedfile, opt); |
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if (!opt) { |
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fprintf(stderr, "Could not load RNG seed %s\n", optarg); |
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return 1; |
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} |
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if (verbose > 0) { |
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fprintf(stderr, |
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"Read %d bytes from RNG seed file\n", opt); |
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} |
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} |
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if (regex) { |
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vcp = vg_regex_context_new(addrtype, privtype); |
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} else { |
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vcp = vg_prefix_context_new(addrtype, privtype, |
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caseinsensitive); |
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} |
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vcp->vc_verbose = verbose; |
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vcp->vc_result_file = result_file; |
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vcp->vc_remove_on_match = remove_on_match; |
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vcp->vc_only_one = only_one; |
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vcp->vc_pubkeytype = addrtype; |
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vcp->vc_pubkey_base = pubkey_base; |
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vcp->vc_output_match = vg_output_match_console; |
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vcp->vc_output_timing = vg_output_timing_console; |
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if (!npattfp) { |
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if (optind >= argc) { |
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usage(argv[0]); |
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return 1; |
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} |
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patterns = &argv[optind]; |
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npatterns = argc - optind; |
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if (!vg_context_add_patterns(vcp, |
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(const char ** const) patterns, |
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npatterns)) |
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return 1; |
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} |
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for (i = 0; i < npattfp; i++) { |
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fp = pattfp[i]; |
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if (!vg_read_file(fp, &patterns, &npatterns)) { |
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fprintf(stderr, "Failed to load pattern file\n"); |
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return 1; |
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} |
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if (fp != stdin) |
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fclose(fp); |
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if (!regex) |
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vg_prefix_context_set_case_insensitive(vcp, pattfpi[i]); |
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if (!vg_context_add_patterns(vcp, |
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(const char ** const) patterns, |
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npatterns)) |
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return 1; |
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} |
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if (!vcp->vc_npatterns) { |
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fprintf(stderr, "No patterns to search\n"); |
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return 1; |
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} |
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if (prompt_password) { |
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if (!vg_read_password(pwbuf, sizeof(pwbuf))) |
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return 1; |
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key_password = pwbuf; |
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} |
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vcp->vc_key_protect_pass = key_password; |
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if (key_password) { |
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if (!vg_check_password_complexity(key_password, verbose)) |
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fprintf(stderr, |
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"WARNING: Protecting private keys with " |
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"weak password\n"); |
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} |
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if ((verbose > 0) && regex && (vcp->vc_npatterns > 1)) |
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fprintf(stderr, |
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"Regular expressions: %ld\n", vcp->vc_npatterns); |
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if (ndevstrs) { |
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for (opt = 0; opt < ndevstrs; opt++) { |
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vocp = vg_ocl_context_new_from_devstr(vcp, devstrs[opt], |
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safe_mode, |
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verify_mode); |
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if (!vocp) { |
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fprintf(stderr, |
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"Could not open device '%s', ignoring\n", |
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devstrs[opt]); |
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} else { |
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opened++; |
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} |
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} |
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} else { |
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vocp = vg_ocl_context_new(vcp, platformidx, deviceidx, |
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safe_mode, verify_mode, |
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worksize, nthreads, |
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nrows, ncols, invsize); |
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if (vocp) |
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opened++; |
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} |
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if (!opened) { |
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vg_ocl_enumerate_devices(); |
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return 1; |
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} |
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opt = vg_context_start_threads(vcp); |
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if (opt) |
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return 1; |
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vg_context_wait_for_completion(vcp); |
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vg_ocl_context_free(vocp); |
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return 0; |
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}
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