mirror of https://gerrit.osmocom.org/libosmocore
78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <inttypes.h>
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#include <osmocom/crypt/auth.h>
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#include <osmocom/core/utils.h>
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static void dump_auth_vec(struct osmo_auth_vector *vec)
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{
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printf("RAND:\t%s\n", osmo_hexdump(vec->rand, sizeof(vec->rand)));
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if (vec->auth_types & OSMO_AUTH_TYPE_UMTS) {
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printf("AUTN:\t%s\n", osmo_hexdump(vec->autn, sizeof(vec->autn)));
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printf("IK:\t%s\n", osmo_hexdump(vec->ik, sizeof(vec->ik)));
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printf("CK:\t%s\n", osmo_hexdump(vec->ck, sizeof(vec->ck)));
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printf("RES:\t%s\n", osmo_hexdump(vec->res, vec->res_len));
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}
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if (vec->auth_types & OSMO_AUTH_TYPE_GSM) {
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printf("SRES:\t%s\n", osmo_hexdump(vec->sres, sizeof(vec->sres)));
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/* According to 3GPP TS 55.205 Sec. 4 the GSM-MILENAGE output is limited to 64 bits.
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According to 3GPP TS 33.102 Annex. B5 in UMTS security context Kc can be 128 bits.
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Here we test the former, so make sure we only print interesting Kc bits. */
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printf("Kc:\t%s\n", osmo_hexdump(vec->kc, OSMO_A5_MAX_KEY_LEN_BYTES/2));
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}
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}
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static struct osmo_sub_auth_data test_aud = {
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.type = OSMO_AUTH_TYPE_GSM,
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.algo = OSMO_AUTH_ALG_XOR_2G,
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.u.gsm = {
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.ki = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
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},
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};
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int main(int argc, char **argv)
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{
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struct osmo_auth_vector _vec;
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struct osmo_auth_vector *vec = &_vec;
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uint8_t _rand[16];
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int rc;
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#if 0
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srand(time(NULL));
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*(uint32_t *)&_rand[0] = rand();
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*(uint32_t *)(&_rand[4]) = rand();
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*(uint32_t *)(&_rand[8]) = rand();
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*(uint32_t *)(&_rand[12]) = rand();
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#else
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memset(_rand, 0, sizeof(_rand));
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#endif
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memset(vec, 0, sizeof(*vec));
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rc = osmo_auth_gen_vec(vec, &test_aud, _rand);
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if (rc < 0) {
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fprintf(stderr, "error generating auth vector\n");
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exit(1);
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}
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dump_auth_vec(vec);
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/* test once more with non-zero RAND to see it show in result */
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for (int i = 0; i < sizeof(_rand); i++)
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_rand[i] = i << 4;
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rc = osmo_auth_gen_vec(vec, &test_aud, _rand);
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if (rc < 0) {
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fprintf(stderr, "error generating auth vector\n");
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exit(1);
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}
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dump_auth_vec(vec);
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exit(0);
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}
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