laforge has submitted this change. (
https://gerrit.osmocom.org/c/libosmocore/+/31452 )
Change subject: New unit test for XOR-2G authentication
......................................................................
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
---
M tests/Makefile.am
A tests/auth/xor2g_test.c
A tests/auth/xor2g_test.ok
M tests/testsuite.at
4 files changed, 105 insertions(+), 0 deletions(-)
Approvals:
Jenkins Builder: Verified
fixeria: Looks good to me, but someone else must approve
pespin: Looks good to me, approved
diff --git a/tests/Makefile.am b/tests/Makefile.am
index c637c16..eeefd3e 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -49,6 +49,7 @@
smscb/smscb_test \
smscb/gsm0341_test \
smscb/cbsp_test \
+ auth/xor2g_test \
$(NULL)
if ENABLE_MSGFILE
@@ -110,6 +111,9 @@
auth_milenage_test_SOURCES = auth/milenage_test.c
auth_milenage_test_LDADD = $(LDADD) $(top_builddir)/src/gsm/libosmogsm.la
+auth_xor2g_test_SOURCES = auth/xor2g_test.c
+auth_xor2g_test_LDADD = $(LDADD) $(top_builddir)/src/gsm/libosmogsm.la
+
abis_abis_test_SOURCES = abis/abis_test.c
abis_abis_test_LDADD = $(LDADD) $(top_builddir)/src/gsm/libosmogsm.la
@@ -357,6 +361,7 @@
timer/timer_test.ok sms/sms_test.ok ussd/ussd_test.ok \
bits/bitrev_test.ok a5/a5_test.ok \
conv/conv_test.ok auth/milenage_test.ok ctrl/ctrl_test.ok \
+ auth/xor2g_test.ok
\
lapd/lapd_test.ok \
gsm0408/gsm0408_test.ok gsm0408/gsm0408_test.err \
gsm0808/gsm0808_test.ok gb/bssgp_fc_tests.err \
diff --git a/tests/auth/xor2g_test.c b/tests/auth/xor2g_test.c
new file mode 100644
index 0000000..82ab25a
--- /dev/null
+++ b/tests/auth/xor2g_test.c
@@ -0,0 +1,77 @@
+
+#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);
+}
diff --git a/tests/auth/xor2g_test.ok b/tests/auth/xor2g_test.ok
new file mode 100644
index 0000000..58becf6
--- /dev/null
+++ b/tests/auth/xor2g_test.ok
@@ -0,0 +1,6 @@
+RAND: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+SRES: 00 01 02 03
+Kc: 04 05 06 07 08 09 0a 0b
+RAND: 00 10 20 30 40 50 60 70 80 90 a0 b0 c0 d0 e0 f0
+SRES: 00 11 22 33
+Kc: 44 55 66 77 88 99 aa bb
diff --git a/tests/testsuite.at b/tests/testsuite.at
index 6b2e75f..e447cdc 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -126,6 +126,12 @@
AT_CHECK([$abs_top_builddir/tests/auth/milenage_test], [0], [expout], [ignore])
AT_CLEANUP
+AT_SETUP([auth_xor2g])
+AT_KEYWORDS([auth_xor2g])
+cat $abs_srcdir/auth/xor2g_test.ok > expout
+AT_CHECK([$abs_top_builddir/tests/auth/xor2g_test], [0], [expout], [ignore])
+AT_CLEANUP
+
AT_SETUP([comp128])
AT_KEYWORDS([comp128])
cat $abs_srcdir/comp128/comp128_test.ok > expout
--
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: I7014258751624ff18c51912b6348c3cd876bb23f
Gerrit-Change-Number: 31452
Gerrit-PatchSet: 3
Gerrit-Owner: laforge <[email protected]>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: fixeria <[email protected]>
Gerrit-Reviewer: laforge <[email protected]>
Gerrit-Reviewer: pespin <[email protected]>
Gerrit-MessageType: merged
