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unit: EAP-SIM unit tests

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Several unit tests for EAP-SIM functionality:
 - Get/Add attributes
 - MAC calculation
 - PRNG test
This commit is contained in:
James Prestwood 2017-08-21 14:09:04 -07:00 committed by Denis Kenzior
parent 283717b22f
commit b2fe7fe230
2 changed files with 249 additions and 1 deletions
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14
Makefile.am
View File

@ -136,7 +136,8 @@ unit_tests = unit/test-cmac-aes \
unit/test-kdf-sha256 \
unit/test-crypto unit/test-eapol unit/test-mpdu \
unit/test-ie unit/test-ssid-to-utf8 unit/test-ssid-security \
unit/test-arc4 unit/test-wsc unit/test-eap-mschapv2
unit/test-arc4 unit/test-wsc unit/test-eap-mschapv2 \
unit/test-eap-sim
ell_pem_files = cert-ca-key.pem cert-client-key.pem cert-client-key-pkcs8.pem \
cert-server-key.pem cert-server-key-pkcs8.pem \
@ -147,6 +148,17 @@ noinst_PROGRAMS += $(unit_tests)
noinst_DATA = ell/unit/test_data
endif
unit_test_eap_sim_SOURCES = unit/test-eap-sim.c \
src/crypto.h src/crypto.c src/simutil.h src/simutil.c \
src/ie.h src/ie.c \
src/eapol.h src/eapol.c \
src/handshake.h src/handshake.c \
src/eap.h src/eap.c \
src/util.h src/util.c \
src/eap-sim.c
unit_test_eap_sim_LDADD = ell/libell-internal.la
unit_test_cmac_aes_SOURCES = unit/test-cmac-aes.c \
src/crypto.h src/crypto.c
unit_test_cmac_aes_LDADD = ell/libell-internal.la

236
unit/test-eap-sim.c Normal file
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@ -0,0 +1,236 @@
/*
*
* Wireless daemon for Linux
*
* Copyright (C) 2017 Intel Corporation. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <ell/ell.h>
#include "src/simutil.h"
static uint8_t attr_data[] = {
EAP_SIM_AT_RAND, /* attribute type */
0x02, /* length (4 * 2) == 8 bytes */
0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
EAP_SIM_AT_AUTN, /* next attribute */
0x01,
0x0f, 0x0f,
EAP_SIM_AT_RES, /* next attribute */
0x03,
0x09, 0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00
};
static void test_next_attribute(const void *data)
{
struct eap_sim_tlv_iter iter;
/* basic attribute iteration */
uint8_t rand = 0, autn = 0, res = 0;
eap_sim_tlv_iter_init(&iter, attr_data, sizeof(attr_data));
while (eap_sim_tlv_iter_next(&iter)) {
switch (iter.tag) {
case EAP_SIM_AT_RAND:
rand = 1;
break;
case EAP_SIM_AT_AUTN:
autn = 1;
break;
case EAP_SIM_AT_RES:
res = 1;
break;
default:
assert(0);
}
}
assert(rand && autn && res);
}
static void test_add_attribute(const void *data)
{
uint8_t buf[100];
char test[] = "test data";
/* test EAP_SIM_PAD_NONE */
eap_sim_add_attribute(buf, EAP_SIM_AT_RAND, EAP_SIM_PAD_NONE,
(uint8_t *)test, strlen(test));
/*
* Attribute should look like:
*
* buf[0] = AT_RAND
* buf[1] = 0x03
* buf[2 - 10] = "test data"
* buf[11] = 0x00 (padding)
*/
assert(buf[0] == EAP_SIM_AT_RAND);
assert(buf[1] == 3);
assert(!memcmp(buf + 2, test, 9));
assert(buf[11] == 0);
/* test EAP_SIM_PAD_ZERO */
memset(buf, 0, sizeof(buf));
eap_sim_add_attribute(buf, EAP_SIM_AT_RAND, EAP_SIM_PAD_ZERO,
(uint8_t *)test, strlen(test));
/*
* Attribute should look like:
*
* buf[0] = AT_RAND
* buf[1] = 0x04
* buf[2-3] = 0x0000
* buf[4-13] = "test data"
* buf[14-16] = 0x000000
*/
assert(buf[0] == EAP_SIM_AT_RAND);
assert(buf[1] == 4);
assert(buf[2] == 0 && buf[3] == 0);
assert(!memcmp(buf + 4, test, strlen(test)));
assert(buf[14] == 0 && buf[15] == 0 && buf[16] == 0);
/* test EAP_SIM_PAD_LENGTH */
memset(buf, 0, sizeof(buf));
eap_sim_add_attribute(buf, EAP_SIM_AT_RAND, EAP_SIM_PAD_LENGTH,
(uint8_t *)test, strlen(test));
/*
* Attribute should look like:
*
* buf[0] = AT_RAND
* buf[1] = 0x04
* buf[2-3] = 0x0009
* buf[4-13] = "test data"
* buf[14-16] = 0x000000
*/
assert(buf[0] == EAP_SIM_AT_RAND);
assert(buf[1] == 4);
assert(buf[2] == 0x00 && buf[3] == 0x09);
assert(!memcmp(buf + 4, test, strlen(test)));
assert(buf[14] == 0 && buf[15] == 0 && buf[16] == 0);
/* test EAP_SIM_PAD_LENGTH_BITS */
memset(buf, 0, sizeof(buf));
eap_sim_add_attribute(buf, EAP_SIM_AT_RAND, EAP_SIM_PAD_LENGTH_BITS,
(uint8_t *)test, strlen(test));
/*
* Attribute should look like:
*
* buf[0] = AT_RAND
* buf[1] = 0x04
* buf[2-3] = 0x0048
* buf[4-13] = "test data"
* buf[14-16] = 0x000000
*/
assert(buf[0] == EAP_SIM_AT_RAND);
assert(buf[1] == 4);
assert(buf[2] == 0x00 && buf[3] == 0x48);
assert(!memcmp(buf + 4, test, strlen(test)));
assert(buf[14] == 0 && buf[15] == 0 && buf[16] == 0);
}
static uint8_t ex_pkt[] = {
0x02, 0x02, 0x00, 0x1c, 0x12, 0x0b, 0x00, 0x00, 0x0b, 0x05,
0x00, 0x00, 0xf5, 0x6d, 0x64, 0x33, 0xe6, 0x8e, 0xd2, 0x97,
0x6a, 0xc1, 0x19, 0x37, 0xfc, 0x3d, 0x11, 0x54 };
static uint8_t ex_mac[] = {
0xf5, 0x6d, 0x64, 0x33, 0xe6, 0x8e, 0xd2, 0x97,
0x6a, 0xc1, 0x19, 0x37, 0xfc, 0x3d, 0x11, 0x54 };
static uint8_t ex_sres[] = {
0xd1, 0xd2, 0xd3, 0xd4,
0xe1, 0xe2, 0xe3, 0xe4,
0xf1, 0xf2, 0xf3, 0xf4 };
static uint8_t ex_k_aut[] = {
0x25, 0xaf, 0x19, 0x42, 0xef, 0xcb, 0xf4, 0xbc,
0x72, 0xb3, 0x94, 0x34, 0x21, 0xf2, 0xa9, 0x74 };
static void test_calc_mac(const void *data)
{
uint8_t pkt[100];
uint8_t pos = 0;
/* header */
memcpy(pkt, ex_pkt, 8);
pos += 8;
/* add MAC attribute */
pos += eap_sim_add_attribute(pkt + 8, EAP_SIM_AT_MAC, EAP_SIM_PAD_ZERO,
NULL, EAP_SIM_MAC_LEN);
memcpy(pkt + pos, ex_sres, 12);
eap_sim_derive_mac(pkt, sizeof(ex_pkt) + 12, ex_k_aut,
pkt + pos - EAP_SIM_MAC_LEN);
assert(!memcmp(ex_mac, pkt + pos - EAP_SIM_MAC_LEN, EAP_SIM_MAC_LEN));
assert(!memcmp(ex_pkt, pkt, sizeof(ex_pkt)));
}
static uint8_t ex_mk[] = {
0xe5, 0x76, 0xd5, 0xca, 0x33, 0x2e, 0x99, 0x30, 0x01, 0x8b,
0xf1, 0xba, 0xee, 0x27, 0x63, 0xc7, 0x95, 0xb3, 0xc7, 0x12 };
static uint8_t ex_keys[] = {
0x53, 0x6e, 0x5e, 0xbc, 0x44, 0x65, 0x58, 0x2a, 0xa6, 0xa8,
0xec, 0x99, 0x86, 0xeb, 0xb6, 0x20, 0x25, 0xaf, 0x19, 0x42,
0xef, 0xcb, 0xf4, 0xbc, 0x72, 0xb3, 0x94, 0x34, 0x21, 0xf2,
0xa9, 0x74, 0x39, 0xd4, 0x5a, 0xea, 0xf4, 0xe3, 0x06, 0x01,
0x98, 0x3e, 0x97, 0x2b, 0x6c, 0xfd, 0x46, 0xd1, 0xc3, 0x63,
0x77, 0x33, 0x65, 0x69, 0x0d, 0x09, 0xcd, 0x44, 0x97, 0x6b,
0x52, 0x5f, 0x47, 0xd3, 0xa6, 0x0a, 0x98, 0x5e, 0x95, 0x5c,
0x53, 0xb0, 0x90, 0xb2, 0xe4, 0xb7, 0x37, 0x19, 0x19, 0x6a,
0x40, 0x25, 0x42, 0x96, 0x8f, 0xd1, 0x4a, 0x88, 0x8f, 0x46,
0xb9, 0xa7, 0x88, 0x6e, 0x44, 0x88, 0x59, 0x49, 0xea, 0xb0,
0xff, 0xf6, 0x9d, 0x52, 0x31, 0x5c, 0x6c, 0x63, 0x4f, 0xd1,
0x4a, 0x7f, 0x0d, 0x52, 0x02, 0x3d, 0x56, 0xf7, 0x96, 0x98,
0xfa, 0x65, 0x96, 0xab, 0xee, 0xd4, 0xf9, 0x3f, 0xbb, 0x48,
0xeb, 0x53, 0x4d, 0x98, 0x54, 0x14, 0xce, 0xed, 0x0d, 0x9a,
0x8e, 0xd3, 0x3c, 0x38, 0x7c, 0x9d, 0xfd, 0xab, 0x92, 0xff,
0xbd, 0xf2, 0x40, 0xfc, 0xec, 0xf6, 0x5a, 0x2c, 0x93, 0xb9 };
static void test_prng(const void *data)
{
uint8_t prng_buf[160];
eap_sim_fips_prf((uint8_t *)ex_mk, 20, prng_buf, sizeof(ex_keys));
assert(!memcmp(prng_buf, (uint8_t *)ex_keys, sizeof(ex_keys)));
}
int main(int argc, char *argv[])
{
l_test_init(&argc, &argv);
l_test_add("EAP-SIM next attribute test", test_next_attribute, NULL);
l_test_add("EAP-SIM add attribute test", test_add_attribute, NULL);
l_test_add("EAP-SIM calculate MAC test", test_calc_mac, NULL);
l_test_add("EAP-SIM PRNG test", test_prng, NULL);
return l_test_run();
}