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#include <stdint.h>
#include <osmocom/core/utils.h>
#include "gsm/tuak/tuak.h"
/* user-friendly test specification, uses hex-strings for all parameters for
* copy+pasting from the spec. */
struct tuak_testspec {
const char *name;
struct {
const char *k;
const char *rand;
const char *sqn;
const char *amf;
const char *top;
unsigned int keccak_iterations;
} in;
struct {
const char *topc;
const char *f1;
const char *f1star;
const char *f2;
const char *f3;
const char *f4;
const char *f5;
const char *f5star;
} out;
};
static const struct tuak_testspec testspecs[] = {
{
.name = "TS 35.233 Section 6.3 Test Set 1",
.in = {
.k = "abababababababababababababababab",
.rand = "42424242424242424242424242424242",
.sqn = "111111111111",
.amf = "ffff",
.top = "5555555555555555555555555555555555555555555555555555555555555555",
.keccak_iterations = 1,
},
.out = {
.topc = "bd04d9530e87513c5d837ac2ad954623a8e2330c115305a73eb45d1f40cccbff",
.f1 = "f9a54e6aeaa8618d",
.f1star = "e94b4dc6c7297df3",
.f2 = "657acd64",
.f3 = "d71a1e5c6caffe986a26f783e5c78be1",
.f4 = "be849fa2564f869aecee6f62d4337e72",
.f5 = "719f1e9b9054",
.f5star = "e7af6b3d0e38",
},
}, {
.name = "TS 35.233 Section 6.4 Test Set 2",
.in = {
.k = "fffefdfcfbfaf9f8f7f6f5f4f3f2f1f0efeeedecebeae9e8e7e6e5e4e3e2e1e0",
.rand = "0123456789abcdef0123456789abcdef",
.sqn = "0123456789ab",
.amf = "abcd",
.top = "808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f",
.keccak_iterations = 1,
},
.out = {
.topc = "305425427e18c503c8a4b294ea72c95d0c36c6c6b29d0c65de5974d5977f8524",
.f1 = "c0b8c2d4148ec7aa5f1d78a97e4d1d58",
.f1star = "ef81af7290f7842c6ceafa537fa0745b",
.f2 = "e9d749dc4eea0035",
.f3 = "a4cb6f6529ab17f8337f27baa8234d47",
.f4 = "2274155ccf4199d5e2abcbf621907f90",
.f5 = "480a9345cc1e",
.f5star = "f84eb338848c",
},
}, {
.name = "TS 35.233 Section 6.5 Test Set 3",
.in = {
.k = "fffefdfcfbfaf9f8f7f6f5f4f3f2f1f0efeeedecebeae9e8e7e6e5e4e3e2e1e0",
.rand = "0123456789abcdef0123456789abcdef",
.sqn = "0123456789ab",
.amf = "abcd",
.top = "808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f",
.keccak_iterations = 1,
},
.out = {
.topc = "305425427e18c503c8a4b294ea72c95d0c36c6c6b29d0c65de5974d5977f8524",
.f1 = "d97b75a1776065271b1e212bc3b1bf173f438b21e6c64a55a96c372e085e5cc5",
.f1star = "427bbf07c6e3a86c54f8c5216499f3909a6fd4a164c9fe235b1550258111b821",
.f2 = "07021c73e7635c7d",
.f3 = "4d59ac796834eb85d11fa148a5058c3c",
.f4 = "126d47500136fdc5ddfd14f19ebf16749ce4b6435323fbb5715a3a796a6082bd",
.f5 = "1d6622c4e59a",
.f5star = "f84eb338848c",
},
}, {
.name = "TS 35.233 Section 6.6 Test Set 4",
.in = {
.k = "b8da837a50652d6ac7c97da14f6acc61",
.rand = "6887e55425a966bd86c9661a5fa72be8",
.sqn = "0dea2ee2c5af",
.amf = "df1e",
.top = "0952be13556c32ebc58195d9dd930493e12a9003669988ffde5fa1f0fe35cc01",
.keccak_iterations = 1,
},
.out = {
.topc = "2bc16eb657a68e1f446f08f57c0efb1d493527a2e652ce281eb6ca0e4487760a",
.f1 = "749214087958dd8f58bfcdf869d8ae3f",
.f1star = "619e865afe80e382aee13063f9dfb56d",
.f2 = "4041ce438e3e38e8aa96562eed83ac43",
.f3 = "3e3bc01bea0cd914c4c2c83ce2d92757",
.f4 = "666a8e6f577b1aa77b7fd53cebb8a3d6",
.f5 = "1f880d005119",
.f5star = "45e617d77fe5",
},
}, {
.name = "TS 35.233 Section 6.7 Test Set 5",
.in = {
.k = "1574ca56881d05c189c82880f789c9cd4244955f4426aa2b69c29f15770e5aa5",
.rand = "c570aac68cde651fb1e3088322498bef",
.sqn = "c89bb71f3a41",
.amf = "297d",
.top = "e59f6eb10ea406813f4991b0b9e02f181edf4c7e17b480f66d34da35ee88c95e",
.keccak_iterations = 1,
},
.out = {
.topc = "3c6052e41532a28a47aa3cbb89f223e8f3aaa976aecd48bc3e7d6165a55eff62",
.f1 = "d7340dad02b4cb01",
.f1star = "c6021e2e66accb15",
.f2 = "84d89b41db1867ffd4c7ba1d82163f4d526a20fbae5418fbb526940b1eeb905c",
.f3 = "d419676afe5ab58c1d8bee0d43523a4d2f52ef0b31a4676a0c334427a988fe65",
.f4 = "205533e505661b61d05cc0eac87818f4",
.f5 = "d7b3d2d4980a",
.f5star = "ca9655264986",
},
}, {
.name = "TS 35.233 Section 6.8 Test Set 6",
.in = {
.k = "1574ca56881d05c189c82880f789c9cd4244955f4426aa2b69c29f15770e5aa5",
.rand = "c570aac68cde651fb1e3088322498bef",
.sqn = "c89bb71f3a41",
.amf = "297d",
.top = "e59f6eb10ea406813f4991b0b9e02f181edf4c7e17b480f66d34da35ee88c95e",
.keccak_iterations = 2,
},
.out = {
.topc = "b04a66f26c62fcd6c82de22a179ab65506ecf47f56245cd149966cfa9cec7a51",
.f1 = "90d2289ed1ca1c3dbc2247bb480d431ac71d2e4a7677f6e997cfddb0cbad88b7",
.f1star = "427355dbac30e825063aba61b556e87583abac638e3ab01c4c884ad9d458dc2f",
.f2 = "d67e6e64590d22eecba7324afa4af4460c93f01b24506d6e12047d789a94c867",
.f3 = "ede57edfc57cdffe1aae75066a1b7479bbc3837438e88d37a801cccc9f972b89",
.f4 = "48ed9299126e5057402fe01f9201cf25249f9c5c0ed2afcf084755daff1d3999",
.f5 = "6aae8d18c448",
.f5star = "8c5f33b61f4e",
},
},
};
struct tuak_testset {
const char *name;
struct {
uint8_t k[32];
uint8_t k_len_bytes;
uint8_t rand[16];
uint8_t sqn[6];
uint8_t amf[2];
uint8_t top[32];
unsigned int keccak_iterations;
} in;
struct {
uint8_t topc[32];
uint8_t mac_a[32];
uint8_t mac_s[32];
uint8_t mac_len_bytes;
uint8_t res[32];
uint8_t res_len_bytes;
uint8_t ck[32];
uint8_t ck_len_bytes;
uint8_t ik[32];
uint8_t ik_len_bytes;
uint8_t ak[6];
uint8_t f5star[6];
} out;
};
static void expect_equal(const char *name, const uint8_t *actual, const uint8_t *expected, size_t len)
{
if (!memcmp(actual, expected, len)) {
printf("\t%s: %s\r\n", name, osmo_hexdump_nospc(actual, len));
} else {
char buf[len*2+1];
printf("\t%s: %s != %s\r\n", name, osmo_hexdump_nospc(actual, len),
osmo_hexdump_buf(buf, sizeof(buf), expected, len, "", true));
}
}
static void execute_testset(const struct tuak_testset *tset)
{
uint8_t topc[32];
printf("==> %s\n", tset->name);
tuak_set_keccak_iterations(tset->in.keccak_iterations);
tuak_opc_gen(topc, tset->in.k, tset->in.k_len_bytes, tset->in.top);
expect_equal("TOPc", topc, tset->out.topc, sizeof(topc));
if (tset->out.mac_len_bytes) {
uint8_t mac_a[32];
uint8_t mac_s[32];
tuak_f1(topc, tset->in.k, tset->in.k_len_bytes, tset->in.rand, tset->in.sqn, tset->in.amf,
mac_a, tset->out.mac_len_bytes, tset->in.keccak_iterations);
expect_equal("MAC_A", mac_a, tset->out.mac_a, tset->out.mac_len_bytes);
tuak_f1star(topc, tset->in.k, tset->in.k_len_bytes, tset->in.rand, tset->in.sqn, tset->in.amf,
mac_s, tset->out.mac_len_bytes, tset->in.keccak_iterations);
expect_equal("MAC_S", mac_s, tset->out.mac_s, tset->out.mac_len_bytes);
}
if (tset->out.ck_len_bytes || tset->out.ik_len_bytes || tset->out.res_len_bytes) {
uint8_t res[32];
uint8_t ck[32];
uint8_t ik[32];
uint8_t ak[6];
tuak_f2345(topc, tset->in.k, tset->in.k_len_bytes, tset->in.rand,
tset->out.res_len_bytes ? res : NULL, tset->out.res_len_bytes,
tset->out.ck_len_bytes ? ck : NULL, tset->out.ck_len_bytes,
tset->out.ik_len_bytes ? ik : NULL, tset->out.ik_len_bytes,
ak, tset->in.keccak_iterations);
if (tset->out.res_len_bytes)
expect_equal("RES", res, tset->out.res, tset->out.res_len_bytes);
if (tset->out.ck_len_bytes)
expect_equal("CK", ck, tset->out.ck, tset->out.ck_len_bytes);
if (tset->out.ik_len_bytes)
expect_equal("IK", ik, tset->out.ik, tset->out.ik_len_bytes);
expect_equal("AK", ak, tset->out.ak, 6);
}
}
/* convert string-testspec to binary-testset and execute it */
static void execute_testspec(const struct tuak_testspec *tcase)
{
struct tuak_testset _tset, *tset = &_tset;
tset->name = tcase->name;
tset->in.keccak_iterations = tcase->in.keccak_iterations;
osmo_hexparse(tcase->in.k, tset->in.k, sizeof(tset->in.k));
tset->in.k_len_bytes = strlen(tcase->in.k)/2;
OSMO_ASSERT(tset->in.k_len_bytes == 16 || tset->in.k_len_bytes == 32);
osmo_hexparse(tcase->in.rand, tset->in.rand, sizeof(tset->in.rand));
OSMO_ASSERT(strlen(tcase->in.rand)/2 == 16);
osmo_hexparse(tcase->in.sqn, tset->in.sqn, sizeof(tset->in.sqn));
OSMO_ASSERT(strlen(tcase->in.sqn)/2 == 6);
osmo_hexparse(tcase->in.amf, tset->in.amf, sizeof(tset->in.amf));
OSMO_ASSERT(strlen(tcase->in.amf)/2 == 2);
osmo_hexparse(tcase->in.top, tset->in.top, sizeof(tset->in.top));
OSMO_ASSERT(strlen(tcase->in.top)/2 == 32);
osmo_hexparse(tcase->out.topc, tset->out.topc, sizeof(tset->out.topc));
OSMO_ASSERT(strlen(tcase->out.topc)/2 == 32);
osmo_hexparse(tcase->out.f1, tset->out.mac_a, sizeof(tset->out.mac_a));
osmo_hexparse(tcase->out.f1star, tset->out.mac_s, sizeof(tset->out.mac_s));
OSMO_ASSERT(strlen(tcase->out.f1) == strlen(tcase->out.f1star));
tset->out.mac_len_bytes = strlen(tcase->out.f1)/2;
OSMO_ASSERT(tset->out.mac_len_bytes == 8 || tset->out.mac_len_bytes == 16 ||
tset->out.mac_len_bytes == 32);
osmo_hexparse(tcase->out.f2, tset->out.res, sizeof(tset->out.res));
tset->out.res_len_bytes = strlen(tcase->out.f2)/2;
OSMO_ASSERT(tset->out.res_len_bytes == 4 || tset->out.res_len_bytes == 8 ||
tset->out.res_len_bytes == 16 || tset->out.res_len_bytes == 32);
osmo_hexparse(tcase->out.f3, tset->out.ck, sizeof(tset->out.ck));
tset->out.ck_len_bytes = strlen(tcase->out.f3)/2;
OSMO_ASSERT(tset->out.ck_len_bytes == 16 || tset->out.ck_len_bytes == 32);
osmo_hexparse(tcase->out.f4, tset->out.ik, sizeof(tset->out.ik));
tset->out.ik_len_bytes = strlen(tcase->out.f4)/2;
OSMO_ASSERT(tset->out.ik_len_bytes == 16 || tset->out.ik_len_bytes == 32);
osmo_hexparse(tcase->out.f5, tset->out.ak, sizeof(tset->out.ak));
OSMO_ASSERT(strlen(tcase->out.f5)/2 == 6);
osmo_hexparse(tcase->out.f5star, tset->out.f5star, sizeof(tset->out.f5star));
OSMO_ASSERT(strlen(tcase->out.f5star)/2 == 6);
execute_testset(tset);
}
int main(int argc, char **argv)
{
#if 0
for (unsigned int i = 0; i < ARRAY_SIZE(testsets); i++)
execute_testset(&testsets[i]);
#endif
for (unsigned int i = 0; i < ARRAY_SIZE(testspecs); i++)
execute_testspec(&testspecs[i]);
}
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