diff options
Diffstat (limited to 'utils')
| -rw-r--r-- | utils/osmo-auc-gen.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/utils/osmo-auc-gen.c b/utils/osmo-auc-gen.c index 6fa7cec7..4e2456a7 100644 --- a/utils/osmo-auc-gen.c +++ b/utils/osmo-auc-gen.c @@ -198,6 +198,10 @@ int main(int argc, char **argv) } ul = strtoul(optarg, 0, 10); test_aud.u.umts.sqn = ul; + /* Before calculating the UMTS auth vector, + * osmo_auth_gen_vec() increments the SQN. SQN-1 here + * to end up with the SQN the user requested. */ + test_aud.u.umts.sqn--; break; case 'r': rc = osmo_hexparse(optarg, _rand, sizeof(_rand)); @@ -260,16 +264,14 @@ int main(int argc, char **argv) else { dump_auth_vec(vec); if (test_aud.type == OSMO_AUTH_TYPE_UMTS) - /* After generating, SQN is incremented, so -1 */ - printf("SQN:\t%" PRIu64 "\n", test_aud.u.umts.sqn - 1); + printf("SQN:\t%" PRIu64 "\n", test_aud.u.umts.sqn); } /* After recovering SQN.MS from AUTS, milenage_gen_vec_auts() does - * aud->u.umts.sqn++, and after vector generation milenage_gen_vec() - * does another ++, so to show SQN.MS we need to -2 */ + * aud->u.umts.sqn++, so to show SQN.MS we need to -1 */ if (auts_is_set) printf("AUTS success: SQN.MS = %" PRIu64 "\n", - test_aud.u.umts.sqn - 2); + test_aud.u.umts.sqn - 1); exit(0); } |