#include <stdio.h> #include <string.h> #include <time.h> #include "bip32.h" #include "bip39.h" #include "curves.h" #include "ecdsa.h" #include "secp256k1.h" char iter[256]; uint8_t seed[512 / 8]; char addr[MAX_ADDR_SIZE]; int count = 0, found = 0; HDNode node; clock_t start; #define ACCOUNT_LEGACY 0 // around 280 tries per second // testing data: // // mnemonic: "all all all all all all all all all all all all" // address: legacy: "1JAd7XCBzGudGpJQSDSfpmJhiygtLQWaGL" // segwit: "3L6TyTisPBmrDAj6RoKmDzNnj4eQi54gD2" // passphrase: "" // // mnemonic: "all all all all all all all all all all all all" // address: legacy: "1N3uJ5AU3FTYQ1ZQgTMtYmgSvMBmQiGVBS" // segwit: "3NcXPfbDP4UHSbuHASALJEBtDeAcWYMMcS" // passphrase: "testing" int main(int argc, char **argv) { if (argc != 2 && argc != 3) { fprintf(stderr, "Usage: bip39bruteforce address [mnemonic]\n"); return 1; } const char *address = argv[1]; const char *mnemonic, *item; if (argc == 3) { mnemonic = argv[2]; item = "passphrase"; } else { mnemonic = NULL; item = "mnemonic"; } if (mnemonic && !mnemonic_check(mnemonic)) { fprintf(stderr, "\"%s\" is not a valid mnemonic\n", mnemonic); return 2; } printf("Reading %ss from stdin ...\n", item); start = clock(); for (;;) { if (fgets(iter, 256, stdin) == NULL) break; int len = strlen(iter); if (len <= 0) { continue; } count++; iter[len - 1] = 0; if (mnemonic) { mnemonic_to_seed(mnemonic, iter, seed, NULL); } else { mnemonic_to_seed(iter, "", seed, NULL); } hdnode_from_seed(seed, 512 / 8, SECP256K1_NAME, &node); #if ACCOUNT_LEGACY hdnode_private_ckd_prime(&node, 44); #else hdnode_private_ckd_prime(&node, 49); #endif hdnode_private_ckd_prime(&node, 0); hdnode_private_ckd_prime(&node, 0); hdnode_private_ckd(&node, 0); hdnode_private_ckd(&node, 0); hdnode_fill_public_key(&node); #if ACCOUNT_LEGACY // Legacy address ecdsa_get_address(node.public_key, 0, HASHER_SHA2_RIPEMD, HASHER_SHA2D, addr, sizeof(addr)); #else // Segwit-in-P2SH ecdsa_get_address_segwit_p2sh(node.public_key, 5, HASHER_SHA2_RIPEMD, HASHER_SHA2D, addr, sizeof(addr)); #endif if (strcmp(address, addr) == 0) { found = 1; break; } } float dur = (float)(clock() - start) / CLOCKS_PER_SEC; printf("Tried %d %ss in %f seconds = %f tries/second\n", count, item, dur, (float)count / dur); if (found) { printf("Correct %s found! :-)\n\"%s\"\n", item, iter); return 0; } printf("Correct %s not found. :-(\n", item); return 4; }