diff options
| -rw-r--r-- | src/gsm/Makefile.am | 2 | ||||
| -rw-r--r-- | src/gsm/auth_xor.c | 51 | ||||
| -rw-r--r-- | tests/Makefile.am | 8 | ||||
| -rw-r--r-- | tests/auth/gsm_test.c | 81 | ||||
| -rw-r--r-- | tests/auth/gsm_test.ok | 4 | ||||
| -rw-r--r-- | tests/testsuite.at | 10 |
6 files changed, 151 insertions, 5 deletions
diff --git a/src/gsm/Makefile.am b/src/gsm/Makefile.am index 3162a7fc..08a0bfd0 100644 --- a/src/gsm/Makefile.am +++ b/src/gsm/Makefile.am @@ -17,7 +17,7 @@ libosmogsm_la_SOURCES = a5.c rxlev_stat.c tlv_parser.c comp128.c comp128v23.c \ gsm0411_utils.c gsm0411_smc.c gsm0411_smr.c \ lapd_core.c lapdm.c \ auth_core.c auth_comp128v1.c auth_comp128v23.c \ - auth_milenage.c milenage/aes-encblock.c \ + auth_xor.c auth_milenage.c milenage/aes-encblock.c \ milenage/aes-internal.c milenage/aes-internal-enc.c \ milenage/milenage.c gan.c diff --git a/src/gsm/auth_xor.c b/src/gsm/auth_xor.c new file mode 100644 index 00000000..2520f096 --- /dev/null +++ b/src/gsm/auth_xor.c @@ -0,0 +1,51 @@ +/* GSM/GPRS/3G authentication core infrastructure */ + +/* (C) 2014 by Sylvain Munaut <tnt@246tNt.com> + * + * All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#include <osmocom/crypt/auth.h> + +static int xor_gen_vec(struct osmo_auth_vector *vec, + struct osmo_sub_auth_data *aud, + const uint8_t *_rand) +{ + int i; + + for (i=0; i<4; i++) + vec->sres[i] = _rand[i] ^ aud->u.gsm.ki[i]; + for (i=0; i<8; i++) + vec->kc[i] = _rand[i+4] ^ aud->u.gsm.ki[i+4]; + + vec->auth_types = OSMO_AUTH_TYPE_GSM; + + return 0; +} + +static struct osmo_auth_impl xor_alg = { + .algo = OSMO_AUTH_ALG_XOR, + .name = "XOR (libosmogsm built-in)", + .priority = 1000, + .gen_vec = &xor_gen_vec, +}; + +static __attribute__((constructor)) void on_dso_load_xor(void) +{ + osmo_auth_register(&xor_alg); +} diff --git a/tests/Makefile.am b/tests/Makefile.am index c6216d50..67f4598e 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -7,7 +7,8 @@ check_PROGRAMS = timer/timer_test sms/sms_test ussd/ussd_test \ gb/bssgp_fc_test gb/gprs_ns_test \ logging/logging_test fr/fr_test \ loggingrb/loggingrb_test strrb/strrb_test \ - vty/vty_test comp128/comp128_test utils/utils_test + vty/vty_test comp128/comp128_test utils/utils_test \ + auth/gsm_test if ENABLE_MSGFILE check_PROGRAMS += msgfile/msgfile_test @@ -25,6 +26,9 @@ comp128_comp128_test_LDADD = $(top_builddir)/src/libosmocore.la $(top_builddir)/ auth_milenage_test_SOURCES = auth/milenage_test.c auth_milenage_test_LDADD = $(top_builddir)/src/libosmocore.la $(top_builddir)/src/gsm/libosmogsm.la +auth_gsm_test_SOURCES = auth/gsm_test.c +auth_gsm_test_LDADD = $(top_builddir)/src/libosmocore.la $(top_builddir)/src/gsm/libosmogsm.la + bits_bitrev_test_SOURCES = bits/bitrev_test.c bits_bitrev_test_LDADD = $(top_builddir)/src/libosmocore.la @@ -98,7 +102,7 @@ $(srcdir)/package.m4: $(top_srcdir)/configure.ac EXTRA_DIST = testsuite.at $(srcdir)/package.m4 $(TESTSUITE) \ timer/timer_test.ok sms/sms_test.ok ussd/ussd_test.ok \ smscb/smscb_test.ok bits/bitrev_test.ok a5/a5_test.ok \ - conv/conv_test.ok auth/milenage_test.ok \ + conv/conv_test.ok auth/milenage_test.ok auth/gsm_test.ok \ lapd/lapd_test.ok gsm0408/gsm0408_test.ok \ gsm0808/gsm0808_test.ok gb/bssgp_fc_tests.err \ gb/bssgp_fc_tests.ok gb/bssgp_fc_tests.sh \ diff --git a/tests/auth/gsm_test.c b/tests/auth/gsm_test.c new file mode 100644 index 00000000..7c4ee37f --- /dev/null +++ b/tests/auth/gsm_test.c @@ -0,0 +1,81 @@ +#include <stdlib.h> +#include <stdio.h> +#include <errno.h> +#include <string.h> + +#include <osmocom/crypt/auth.h> +#include <osmocom/core/utils.h> + + +static const uint8_t test_ki[16] = { + 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, + 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, +}; +static const uint8_t test_rand[16] = { + 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, + 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, +}; + +static struct { + enum osmo_auth_algo algo; + const uint8_t sres[4]; + const uint8_t kc[8]; +} test_results[] = { + { OSMO_AUTH_ALG_COMP128v1, + { 0x53, 0x51, 0x3e, 0xbd }, + { 0x13, 0xc2, 0x6b, 0x8f, 0x82, 0xab, 0x74, 0x00 }, + }, + { OSMO_AUTH_ALG_COMP128v2, + { 0x28, 0xe3, 0xcf, 0xa4 }, + { 0x8f, 0x0f, 0xf5, 0x68, 0x53, 0x3a, 0x54, 0x00 }, + }, + { OSMO_AUTH_ALG_COMP128v3, + { 0x28, 0xe3, 0xcf, 0xa4 }, + { 0x8f, 0x0f, 0xf5, 0x68, 0x53, 0x3a, 0x57, 0xb9 }, + }, + { OSMO_AUTH_ALG_XOR, + { 0x01, 0x32, 0x67, 0x54 }, + { 0xcd, 0xfe, 0xab, 0x98, 0x76, 0x45, 0x10, 0x23 }, + }, + { OSMO_AUTH_ALG_NONE } /* Sentinel */ +}; + + +int main(int argc, char **argv) +{ + struct osmo_auth_vector _vec, *vec = &_vec; + struct osmo_sub_auth_data _aud, *aud = &_aud; + int i, fail; + + for (i=0; test_results[i].algo != OSMO_AUTH_ALG_NONE; i++) + { + if (!osmo_auth_supported(test_results[i].algo)) { + printf("UNSUPPORTED ALGO: %d\n", test_results[i].algo); + continue; + } + + memset(aud, 0, sizeof(*aud)); + memset(vec, 0, sizeof(*vec)); + + aud->type = OSMO_AUTH_TYPE_GSM; + aud->algo = test_results[i].algo; + memcpy(aud->u.gsm.ki, test_ki, 16); + + osmo_auth_gen_vec(vec, aud, test_rand); + + fail = 0; + fail |= memcmp(test_results[i].sres, vec->sres, 4); + fail |= memcmp(test_results[i].kc, vec->kc, 8); + + printf("%s: %s\n", osmo_auth_alg_name(aud->algo), fail ? "FAIL" : "PASS"); + + if (fail) { + printf("SRES ref : %s\n", osmo_hexdump(test_results[i].sres, 4)); + printf(" got : %s\n", osmo_hexdump(vec->sres, 4)); + printf("Kc ref : %s\n", osmo_hexdump(test_results[i].kc, 8)); + printf(" got : %s\n", osmo_hexdump(vec->kc, 8)); + } + } + + return 0; +} diff --git a/tests/auth/gsm_test.ok b/tests/auth/gsm_test.ok new file mode 100644 index 00000000..e3d76a13 --- /dev/null +++ b/tests/auth/gsm_test.ok @@ -0,0 +1,4 @@ +COMP128v1: PASS +COMP128v2: PASS +COMP128v3: PASS +XOR: PASS diff --git a/tests/testsuite.at b/tests/testsuite.at index 9124f251..41dc90b6 100644 --- a/tests/testsuite.at +++ b/tests/testsuite.at @@ -48,12 +48,18 @@ cat $abs_srcdir/ussd/ussd_test.ok > expout AT_CHECK([$abs_top_builddir/tests/ussd/ussd_test], [0], [expout], [ignore]) AT_CLEANUP -AT_SETUP([auth]) -AT_KEYWORDS([auth]) +AT_SETUP([auth_milenage]) +AT_KEYWORDS([auth_milenage]) cat $abs_srcdir/auth/milenage_test.ok > expout AT_CHECK([$abs_top_builddir/tests/auth/milenage_test], [0], [expout], [ignore]) AT_CLEANUP +AT_SETUP([auth_gsm]) +AT_KEYWORDS([auth_gsm]) +cat $abs_srcdir/auth/gsm_test.ok > expout +AT_CHECK([$abs_top_builddir/tests/auth/gsm_test], [0], [expout], [ignore]) +AT_CLEANUP + AT_SETUP([comp128]) AT_KEYWORDS([comp128]) cat $abs_srcdir/comp128/comp128_test.ok > expout |