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update bip39bruteforce tool

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This commit is contained in:
Pavol Rusnak 2016-08-15 15:05:32 +02:00
parent 4d6d9fe8ba
commit 245e2cc23d
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
1 changed files with 31 additions and 15 deletions
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46
tools/bip39bruteforce.c
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@ -6,30 +6,41 @@
#include "ecdsa.h"
#include "curves.h"
char passphrase[256];
char iter[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
// around 280 tries per second
// testing data:
//
// mnemonic: "all all all all all all all all all all all all"
// address: "1JAd7XCBzGudGpJQSDSfpmJhiygtLQWaGL"
// passphrase: ""
//
// 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");
if (argc != 2 && argc != 3) {
fprintf(stderr, "Usage: bip39bruteforce address [mnemonic]\n");
return 1;
}
const char *mnemonic = argv[1];
const char *address = argv[2];
if (!mnemonic_check(mnemonic)) {
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;
}
@ -37,23 +48,28 @@ int main(int argc, char **argv)
fprintf(stderr, "\"%s\" is not a valid address\n", address);
return 3;
}
printf("Reading passphrases from stdin ...\n");
printf("Reading %ss from stdin ...\n", item);
start = clock();
for (;;) {
if (fgets(passphrase, 256, stdin) == NULL) break;
int len = strlen(passphrase);
if (fgets(iter, 256, stdin) == NULL) break;
int len = strlen(iter);
if (len <= 0) {
continue;
}
count++;
passphrase[len - 1] = 0;
mnemonic_to_seed(mnemonic, passphrase, seed, NULL);
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);
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);
hdnode_fill_public_key(&node);
ecdsa_get_pubkeyhash(node.public_key, pubkeyhash);
if (memcmp(addr + 1, pubkeyhash, 20) == 0) {
found = 1;
@ -61,11 +77,11 @@ int main(int argc, char **argv)
}
}
float dur = (float)(clock() - start) / CLOCKS_PER_SEC;
printf("Tried %d passphrases in %f seconds = %f tries/second\n", count, dur, (float)count/dur);
printf("Tried %d %ss in %f seconds = %f tries/second\n", count, item, dur, (float)count/dur);
if (found) {
printf("Correct passphrase found! :-)\n\"%s\"\n", passphrase);
printf("Correct %s found! :-)\n\"%s\"\n", item, iter);
return 0;
}
printf("Correct passphrase not found. :-(\n");
printf("Correct %s not found. :-(\n", item);
return 4;
}