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#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <osmocom/crypt/auth.h>
#include <osmocom/core/utils.h>
int milenage_opc_gen(uint8_t *opc, const uint8_t *k, const uint8_t *op);
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)));
printf("Kc:\t%s\n", osmo_hexdump(vec->kc, sizeof(vec->kc)));
}
}
static struct osmo_sub_auth_data test_aud = {
.type = OSMO_AUTH_TYPE_UMTS,
.algo = OSMO_AUTH_ALG_MILENAGE,
.u.umts = {
.opc = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
.k = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
.amf = { 0x00, 0x00 },
.sqn = 0x22,
},
};
static int opc_test(const struct osmo_sub_auth_data *aud)
{
int rc;
uint8_t opc[16];
#if 0
const uint8_t op[16] = { 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f };
#else
const uint8_t op[16] = { 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0 };
#endif
rc = milenage_opc_gen(opc, aud->u.umts.k, op);
printf("OP:\t%s\n", osmo_hexdump(op, sizeof(op)));
printf("OPC:\t%s\n", osmo_hexdump(opc, sizeof(opc)));
return rc;
}
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);
const uint8_t auts[14] = { 0x87, 0x11, 0xa0, 0xec, 0x9e, 0x16, 0x37, 0xdf,
0x17, 0xf8, 0x0b, 0x38, 0x4e, 0xe4 };
rc = osmo_auth_gen_vec_auts(vec, &test_aud, auts, _rand, _rand);
if (rc < 0) {
printf("AUTS failed\n");
} else {
printf("AUTS success: SEQ.MS = %llu\n", (unsigned long long)test_aud.u.umts.sqn);
}
opc_test(&test_aud);
exit(0);
}
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