diff options
Diffstat (limited to 'tests/auth/milenage_test.c')
| -rw-r--r-- | tests/auth/milenage_test.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tests/auth/milenage_test.c b/tests/auth/milenage_test.c index 2bd3cf20..8b058e56 100644 --- a/tests/auth/milenage_test.c +++ b/tests/auth/milenage_test.c @@ -23,7 +23,10 @@ static void dump_auth_vec(struct osmo_auth_vector *vec) if (vec->auth_types & OSMO_AUTH_TYPE_GSM) { printf("SRES:\t%s\n", osmo_hexdump(vec->sres, sizeof(vec->sres))); - printf("Kc:\t%s\n", osmo_hexdump(vec->kc, sizeof(vec->kc))); + /* According to 3GPP TS 55.205 Sec. 4 the GSM-MILENAGE output is limited to 64 bits. + According to 3GPP TS 33.102 Annex. B5 in UMTS security context Kc can be 128 bits. + Here we test the former, so make sure we only print interesting Kc bits. */ + printf("Kc:\t%s\n", osmo_hexdump(vec->kc, OSMO_A5_MAX_KEY_LEN_BYTES/2)); } } |