| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <errno.h> |
| #include <string.h> |
| #include <inttypes.h> |
| |
| #include <osmocom/crypt/auth.h> |
| #include <osmocom/core/utils.h> |
| |
| static void dump_auth_vec(struct osmo_auth_vector *vec) |
| { |
| printf("RAND:\t%s\n", osmo_hexdump(vec->rand, sizeof(vec->rand))); |
| |
| if (vec->auth_types & OSMO_AUTH_TYPE_UMTS) { |
| printf("AUTN:\t%s\n", osmo_hexdump(vec->autn, sizeof(vec->autn))); |
| printf("IK:\t%s\n", osmo_hexdump(vec->ik, sizeof(vec->ik))); |
| printf("CK:\t%s\n", osmo_hexdump(vec->ck, sizeof(vec->ck))); |
| printf("RES:\t%s\n", osmo_hexdump(vec->res, vec->res_len)); |
| } |
| |
| if (vec->auth_types & OSMO_AUTH_TYPE_GSM) { |
| printf("SRES:\t%s\n", osmo_hexdump(vec->sres, sizeof(vec->sres))); |
| /* 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)); |
| } |
| } |
| |
| static struct osmo_sub_auth_data test_aud = { |
| .type = OSMO_AUTH_TYPE_GSM, |
| .algo = OSMO_AUTH_ALG_XOR_2G, |
| .u.gsm = { |
| .ki = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, |
| }, |
| }; |
| |
| int main(int argc, char **argv) |
| { |
| struct osmo_auth_vector _vec; |
| struct osmo_auth_vector *vec = &_vec; |
| uint8_t _rand[16]; |
| int rc; |
| |
| #if 0 |
| srand(time(NULL)); |
| *(uint32_t *)&_rand[0] = rand(); |
| *(uint32_t *)(&_rand[4]) = rand(); |
| *(uint32_t *)(&_rand[8]) = rand(); |
| *(uint32_t *)(&_rand[12]) = rand(); |
| #else |
| memset(_rand, 0, sizeof(_rand)); |
| #endif |
| memset(vec, 0, sizeof(*vec)); |
| |
| rc = osmo_auth_gen_vec(vec, &test_aud, _rand); |
| if (rc < 0) { |
| fprintf(stderr, "error generating auth vector\n"); |
| exit(1); |
| } |
| dump_auth_vec(vec); |
| |
| /* test once more with non-zero RAND to see it show in result */ |
| for (int i = 0; i < sizeof(_rand); i++) |
| _rand[i] = i << 4; |
| |
| rc = osmo_auth_gen_vec(vec, &test_aud, _rand); |
| if (rc < 0) { |
| fprintf(stderr, "error generating auth vector\n"); |
| exit(1); |
| } |
| dump_auth_vec(vec); |
| |
| exit(0); |
| } |