mirror of https://gerrit.osmocom.org/libosmocore
New unit test for XOR-2G authentication
Let's test if the XOR-2G algorithm does what it's supposed to do. Change-Id: I7014258751624ff18c51912b6348c3cd876bb23f
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@ -49,6 +49,7 @@ check_PROGRAMS = timer/timer_test sms/sms_test ussd/ussd_test \
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smscb/smscb_test \
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smscb/gsm0341_test \
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smscb/cbsp_test \
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auth/xor2g_test \
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$(NULL)
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if ENABLE_MSGFILE
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@ -110,6 +111,9 @@ comp128_comp128_test_LDADD = $(LDADD) $(top_builddir)/src/gsm/libosmogsm.la
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auth_milenage_test_SOURCES = auth/milenage_test.c
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auth_milenage_test_LDADD = $(LDADD) $(top_builddir)/src/gsm/libosmogsm.la
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auth_xor2g_test_SOURCES = auth/xor2g_test.c
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auth_xor2g_test_LDADD = $(LDADD) $(top_builddir)/src/gsm/libosmogsm.la
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abis_abis_test_SOURCES = abis/abis_test.c
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abis_abis_test_LDADD = $(LDADD) $(top_builddir)/src/gsm/libosmogsm.la
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@ -357,6 +361,7 @@ EXTRA_DIST = testsuite.at $(srcdir)/package.m4 $(TESTSUITE) \
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timer/timer_test.ok sms/sms_test.ok ussd/ussd_test.ok \
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bits/bitrev_test.ok a5/a5_test.ok \
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conv/conv_test.ok auth/milenage_test.ok ctrl/ctrl_test.ok \
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auth/xor2g_test.ok \
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lapd/lapd_test.ok \
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gsm0408/gsm0408_test.ok gsm0408/gsm0408_test.err \
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gsm0808/gsm0808_test.ok gb/bssgp_fc_tests.err \
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@ -0,0 +1,77 @@
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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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@ -0,0 +1,6 @@
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RAND: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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SRES: 00 01 02 03
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Kc: 04 05 06 07 08 09 0a 0b
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RAND: 00 10 20 30 40 50 60 70 80 90 a0 b0 c0 d0 e0 f0
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SRES: 00 11 22 33
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Kc: 44 55 66 77 88 99 aa bb
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@ -126,6 +126,12 @@ cat $abs_srcdir/auth/milenage_test.ok > expout
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AT_CHECK([$abs_top_builddir/tests/auth/milenage_test], [0], [expout], [ignore])
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AT_CLEANUP
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AT_SETUP([auth_xor2g])
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AT_KEYWORDS([auth_xor2g])
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cat $abs_srcdir/auth/xor2g_test.ok > expout
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AT_CHECK([$abs_top_builddir/tests/auth/xor2g_test], [0], [expout], [ignore])
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AT_CLEANUP
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AT_SETUP([comp128])
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AT_KEYWORDS([comp128])
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cat $abs_srcdir/comp128/comp128_test.ok > expout
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