mirror of
https://github.com/cwinfo/yggdrasil-go.git
synced 2024-11-14 16:10:29 +00:00
106 lines
2.5 KiB
C
106 lines
2.5 KiB
C
/*
|
|
sk: 32 random bytes
|
|
sk[0] &= 248;
|
|
sk[31] &= 127;
|
|
sk[31] |= 64;
|
|
|
|
increment sk
|
|
pk = curve25519_scalarmult_base(mysecret)
|
|
hash = sha512(pk)
|
|
|
|
if besthash:
|
|
bestsk = sk
|
|
besthash = hash
|
|
*/
|
|
|
|
#include "yggdrasil-brute.h"
|
|
|
|
|
|
void seed(unsigned char sk[32]) {
|
|
randombytes_buf(sk, 32);
|
|
sk[0] &= 248;
|
|
sk[31] &= 127;
|
|
sk[31] |= 64;
|
|
}
|
|
|
|
|
|
int main(int argc, char **argv) {
|
|
int i;
|
|
int j;
|
|
unsigned char addr[16];
|
|
time_t starttime;
|
|
time_t requestedtime;
|
|
|
|
unsigned char bestsklist[NUMKEYS][32];
|
|
unsigned char bestpklist[NUMKEYS][32];
|
|
unsigned char besthashlist[NUMKEYS][64];
|
|
|
|
unsigned char sk[32];
|
|
unsigned char pk[32];
|
|
unsigned char hash[64];
|
|
|
|
unsigned int runs = 0;
|
|
int where;
|
|
|
|
if (argc != 2) {
|
|
fprintf(stderr, "usage: ./yggdrasil-brute-multi-curve25519 <seconds>\n");
|
|
return 1;
|
|
}
|
|
|
|
if (sodium_init() < 0) {
|
|
/* panic! the library couldn't be initialized, it is not safe to use */
|
|
printf("sodium init failed!\n");
|
|
return 1;
|
|
}
|
|
|
|
starttime = time(NULL);
|
|
requestedtime = atoi(argv[1]);
|
|
|
|
if (requestedtime < 0) requestedtime = 0;
|
|
fprintf(stderr, "Searching for yggdrasil curve25519 keys (this will take slightly longer than %ld seconds)\n", requestedtime);
|
|
|
|
sodium_memzero(bestsklist, NUMKEYS * 32);
|
|
sodium_memzero(bestpklist, NUMKEYS * 32);
|
|
sodium_memzero(besthashlist, NUMKEYS * 64);
|
|
seed(sk);
|
|
|
|
do {
|
|
/* generate pubkey, hash, compare, increment secret.
|
|
* this loop should take 4 seconds on modern hardware */
|
|
for (i = 0; i < (1 << 16); ++i) {
|
|
++runs;
|
|
if (crypto_scalarmult_curve25519_base(pk, sk) != 0) {
|
|
printf("scalarmult to create pub failed!\n");
|
|
return 1;
|
|
}
|
|
crypto_hash_sha512(hash, pk, 32);
|
|
|
|
where = find_where(hash, besthashlist);
|
|
if (where >= 0) {
|
|
insert_32(bestsklist, sk, where);
|
|
insert_32(bestpklist, pk, where);
|
|
insert_64(besthashlist, hash, where);
|
|
|
|
seed(sk);
|
|
}
|
|
for (j = 1; j < 31; ++j) if (++sk[j]) break;
|
|
}
|
|
} while (time(NULL) - starttime < requestedtime || runs < NUMKEYS);
|
|
|
|
fprintf(stderr, "--------------addr-------------- -----------------------------secret----------------------------- -----------------------------public-----------------------------\n");
|
|
for (i = 0; i < NUMKEYS; ++i) {
|
|
make_addr(addr, besthashlist[i]);
|
|
for (j = 0; j < 16; ++j) printf("%02x", addr[j]);
|
|
printf(" ");
|
|
for (j = 0; j < 32; ++j) printf("%02x", bestsklist[i][j]);
|
|
printf(" ");
|
|
for (j = 0; j < 32; ++j) printf("%02x", bestpklist[i][j]);
|
|
printf("\n");
|
|
}
|
|
|
|
sodium_memzero(bestsklist, NUMKEYS * 32);
|
|
sodium_memzero(sk, 32);
|
|
|
|
return 0;
|
|
}
|