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trezor-firmware/tools/bip39bruteforce.c
2015-05-11 14:24:45 +02:00

71 lines
1.8 KiB
C

#include <stdio.h>
#include <time.h>
#include <string.h>
#include <bip39.h>
#include <bip32.h>
#include <ecdsa.h>
char passphrase[256];
uint8_t seed[512 / 8];
uint8_t addr[21], pubkeyhash[20];
int count = 0, found = 0;
HDNode node;
clock_t start;
// around 120 tries per second
// testing data:
//
// mnemonic: "all all all all all all all all all all all all"
// address: "1N3uJ5AU3FTYQ1ZQgTMtYmgSvMBmQiGVBS"
// passphrase: "testing"
int main(int argc, char **argv)
{
if (argc != 3) {
fprintf(stderr, "Usage: bip39bruteforce mnemonic address\n");
return 1;
}
const char *mnemonic = argv[1];
const char *address = argv[2];
if (!mnemonic_check(mnemonic)) {
fprintf(stderr, "\"%s\" is not a valid mnemonic\n", mnemonic);
return 2;
}
if (!ecdsa_address_decode(address, addr)) {
fprintf(stderr, "\"%s\" is not a valid address\n", address);
return 3;
}
printf("Reading passphrases from stdin ...\n");
start = clock();
for (;;) {
if (fgets(passphrase, 256, stdin) == NULL) break;
int len = strlen(passphrase);
if (len <= 0) {
continue;
}
count++;
passphrase[len - 1] = 0;
mnemonic_to_seed(mnemonic, passphrase, seed, NULL);
hdnode_from_seed(seed, 512 / 8, &node);
hdnode_private_ckd_prime(&node, 44);
hdnode_private_ckd_prime(&node, 0);
hdnode_private_ckd_prime(&node, 0);
hdnode_private_ckd(&node, 0);
hdnode_private_ckd(&node, 0);
ecdsa_get_pubkeyhash(node.public_key, pubkeyhash);
if (memcmp(addr + 1, pubkeyhash, 20) == 0) {
found = 1;
break;
}
}
float dur = (float)(clock() - start) / CLOCKS_PER_SEC;
printf("Tried %d passphrases in %f seconds = %f tries/second\n", count, dur, (float)count/dur);
if (found) {
printf("Correct passphrase found! :-)\n\"%s\"\n", passphrase);
return 0;
}
printf("Correct passphrase not found. :-(\n");
return 4;
}