int main (void)
{
YKP_CONFIG *ykp;
int rc;
ykp = ykp_create_config ();
if (!ykp)
{
printf ("ykp_create_config returned NULL\n");
return 1;
}
rc = ykp_free_config(ykp);
if (!rc)
{
printf ("ykp_free_config => %d\n", rc);
return 1;
}
return 0;
}
int main(int argc, char** argv) {
char showmessage = 1;
if((argc == 2) && (strcmp(argv[1], "-y") == 0)) showmessage = 0;
if(showmessage == 1) {
puts("--------------------------------------------");
puts("Hi! You're going to crack the access code of");
puts("a Yubikey. As soon as the appropriate code ");
puts("is found, the AES key will be set to zeros.");
puts("Brute forcing the code can take a very long ");
puts("time, and with long I mean like more than a ");
puts("year.");
puts("(By the way you can bypass this message by ");
puts("passing the -y option to the program.) ");
puts("--------------------------------------------");
puts("Type \"start\" to continue.");
char acknowledge[256];
fgets(acknowledge, 256, stdin);
if(strcmp(acknowledge, "start\n") != 0) {
puts("Quitting.");
return EXIT_SUCCESS;
}
}
yk = 0;
unsigned char access_code[6];
const char* aeshash="00000000000000000000000000000000";
YKP_CONFIG *cfg = ykp_create_config();
YK_STATUS *st = ykds_alloc();
if(!yk_init()) {
fputs("Failed to init Yubikey.\n", stderr);
return EXIT_FAILURE;
}
if(!(yk = yk_open_first_key())) {
fputs("No Yubikey found.\n", stderr);
return EXIT_FAILURE;
}
if(!yk_get_status(yk,st)) {
fputs("Failed to get status of the Yubikey.\n", stderr);
return EXIT_FAILURE;
}
printf("Found Yubikey. Version: %d.%d.%d Touch level: %d\n",
ykds_version_major(st),
ykds_version_minor(st),
ykds_version_build(st),
ykds_touch_level(st));
if(!ykp_configure_for(cfg, 1, st)) {
printf("Can't set configuration to 1.\n");
return EXIT_FAILURE;
}
if(ykp_AES_key_from_hex(cfg, aeshash)) {
fputs("Bad AES key. WTF did you do to my source?", stderr);
return EXIT_FAILURE;
}
coreconfig = ykp_core_config(cfg);
coreconfignum = ykp_config_num(cfg);
bruteforce(access_code, 5);
if(st) free(st);
if(!yk_close_key(yk)) {
fputs("Can't close Yubikey! What the hell are you doing over there?", stderr);
return EXIT_FAILURE;
}
if(!yk_release()) {
fputs("Can't release Yubikey.", stderr);
return EXIT_FAILURE;
}
if(cfg) ykp_free_config(cfg);
return EXIT_SUCCESS;
}