tests: SAE test vector from IEEE P802.11-REVmd/D2.1, Annex J.10

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2019-04-06 13:26:15 +03:00
parent e5711b6181
commit 3d93e26e66

View file

@ -1,6 +1,6 @@
/*
* common module tests
* Copyright (c) 2014-2015, Jouni Malinen <j@w1.fi>
* Copyright (c) 2014-2019, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@ -10,10 +10,12 @@
#include "utils/common.h"
#include "utils/module_tests.h"
#include "crypto/crypto.h"
#include "ieee802_11_common.h"
#include "ieee802_11_defs.h"
#include "gas.h"
#include "wpa_common.h"
#include "sae.h"
struct ieee802_11_parse_test_data {
@ -248,6 +250,175 @@ static int gas_tests(void)
}
static int sae_tests(void)
{
struct sae_data sae;
int ret = -1;
/* IEEE P802.11-REVmd/D2.1, Annex J.10 */
const u8 addr1[ETH_ALEN] = { 0x82, 0x7b, 0x91, 0x9d, 0xd4, 0xb9 };
const u8 addr2[ETH_ALEN] = { 0x1e, 0xec, 0x49, 0xea, 0x64, 0x88 };
const char *pw = "mekmitasdigoat";
const char *pwid = "psk4internet";
const u8 local_rand[] = {
0xa9, 0x06, 0xf6, 0x1e, 0x4d, 0x3a, 0x5d, 0x4e,
0xb2, 0x96, 0x5f, 0xf3, 0x4c, 0xf9, 0x17, 0xdd,
0x04, 0x44, 0x45, 0xc8, 0x78, 0xc1, 0x7c, 0xa5,
0xd5, 0xb9, 0x37, 0x86, 0xda, 0x9f, 0x83, 0xcf
};
const u8 local_mask[] = {
0x42, 0x34, 0xb4, 0xfb, 0x17, 0xaa, 0x43, 0x5c,
0x52, 0xfb, 0xfd, 0xeb, 0xe6, 0x40, 0x39, 0xb4,
0x34, 0x78, 0x20, 0x0e, 0x54, 0xff, 0x7b, 0x6e,
0x07, 0xb6, 0x9c, 0xad, 0x74, 0x15, 0x3c, 0x15
};
const u8 local_commit[] = {
0x13, 0x00, 0xeb, 0x3b, 0xab, 0x19, 0x64, 0xe4,
0xa0, 0xab, 0x05, 0x92, 0x5d, 0xdf, 0x33, 0x39,
0x51, 0x91, 0x38, 0xbc, 0x65, 0xd6, 0xcd, 0xc0,
0xf8, 0x13, 0xdd, 0x6f, 0xd4, 0x34, 0x4e, 0xb4,
0xbf, 0xe4, 0x4b, 0x5c, 0x21, 0x59, 0x76, 0x58,
0xf4, 0xe3, 0xed, 0xdf, 0xb4, 0xb9, 0x9f, 0x25,
0xb4, 0xd6, 0x54, 0x0f, 0x32, 0xff, 0x1f, 0xd5,
0xc5, 0x30, 0xc6, 0x0a, 0x79, 0x44, 0x48, 0x61,
0x0b, 0xc6, 0xde, 0x3d, 0x92, 0xbd, 0xbb, 0xd4,
0x7d, 0x93, 0x59, 0x80, 0xca, 0x6c, 0xf8, 0x98,
0x8a, 0xb6, 0x63, 0x0b, 0xe6, 0x76, 0x4c, 0x88,
0x5c, 0xeb, 0x97, 0x93, 0x97, 0x0f, 0x69, 0x52,
0x17, 0xee, 0xff, 0x0d, 0x21, 0x70, 0x73, 0x6b,
0x34, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65,
0x74
};
const u8 peer_commit[] = {
0x13, 0x00, 0x55, 0x64, 0xf0, 0x45, 0xb2, 0xea,
0x1e, 0x56, 0x6c, 0xf1, 0xdd, 0x74, 0x1f, 0x70,
0xd9, 0xbe, 0x35, 0xd2, 0xdf, 0x5b, 0x9a, 0x55,
0x02, 0x94, 0x6e, 0xe0, 0x3c, 0xf8, 0xda, 0xe2,
0x7e, 0x1e, 0x05, 0xb8, 0x43, 0x0e, 0xb7, 0xa9,
0x9e, 0x24, 0x87, 0x7c, 0xe6, 0x9b, 0xaf, 0x3d,
0xc5, 0x80, 0xe3, 0x09, 0x63, 0x3d, 0x6b, 0x38,
0x5f, 0x83, 0xee, 0x1c, 0x3e, 0xc3, 0x59, 0x1f,
0x1a, 0x53, 0x93, 0xc0, 0x6e, 0x80, 0x5d, 0xdc,
0xeb, 0x2f, 0xde, 0x50, 0x93, 0x0d, 0xd7, 0xcf,
0xeb, 0xb9, 0x87, 0xc6, 0xff, 0x96, 0x66, 0xaf,
0x16, 0x4e, 0xb5, 0x18, 0x4d, 0x8e, 0x66, 0x62,
0xed, 0x6a, 0xff, 0x0d, 0x21, 0x70, 0x73, 0x6b,
0x34, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65,
0x74
};
const u8 kck[] = {
0x59, 0x9d, 0x6f, 0x1e, 0x27, 0x54, 0x8b, 0xe8,
0x49, 0x9d, 0xce, 0xed, 0x2f, 0xec, 0xcf, 0x94,
0x81, 0x8c, 0xe1, 0xc7, 0x9f, 0x1b, 0x4e, 0xb3,
0xd6, 0xa5, 0x32, 0x28, 0xa0, 0x9b, 0xf3, 0xed
};
const u8 pmk[] = {
0x7a, 0xea, 0xd8, 0x6f, 0xba, 0x4c, 0x32, 0x21,
0xfc, 0x43, 0x7f, 0x5f, 0x14, 0xd7, 0x0d, 0x85,
0x4e, 0xa5, 0xd5, 0xaa, 0xc1, 0x69, 0x01, 0x16,
0x79, 0x30, 0x81, 0xed, 0xa4, 0xd5, 0x57, 0xc5
};
const u8 pmkid[] = {
0x40, 0xa0, 0x9b, 0x60, 0x17, 0xce, 0xbf, 0x00,
0x72, 0x84, 0x3b, 0x53, 0x52, 0xaa, 0x2b, 0x4f
};
const u8 local_confirm[] = {
0x01, 0x00, 0x12, 0xd9, 0xd5, 0xc7, 0x8c, 0x50,
0x05, 0x26, 0xd3, 0x6c, 0x41, 0xdb, 0xc5, 0x6a,
0xed, 0xf2, 0x91, 0x4c, 0xed, 0xdd, 0xd7, 0xca,
0xd4, 0xa5, 0x8c, 0x48, 0xf8, 0x3d, 0xbd, 0xe9,
0xfc, 0x77
};
const u8 peer_confirm[] = {
0x01, 0x00, 0x02, 0x87, 0x1c, 0xf9, 0x06, 0x89,
0x8b, 0x80, 0x60, 0xec, 0x18, 0x41, 0x43, 0xbe,
0x77, 0xb8, 0xc0, 0x8a, 0x80, 0x19, 0xb1, 0x3e,
0xb6, 0xd0, 0xae, 0xf0, 0xd8, 0x38, 0x3d, 0xfa,
0xc2, 0xfd
};
struct wpabuf *buf = NULL;
struct crypto_bignum *mask = NULL;
os_memset(&sae, 0, sizeof(sae));
buf = wpabuf_alloc(1000);
if (!buf ||
sae_set_group(&sae, 19) < 0 ||
sae_prepare_commit(addr1, addr2, (const u8 *) pw, os_strlen(pw),
pwid, &sae) < 0)
goto fail;
/* Override local values based on SAE test vector */
crypto_bignum_deinit(sae.tmp->sae_rand, 1);
sae.tmp->sae_rand = crypto_bignum_init_set(local_rand,
sizeof(local_rand));
mask = crypto_bignum_init_set(local_mask, sizeof(local_mask));
if (!sae.tmp->sae_rand || !mask)
goto fail;
if (crypto_bignum_add(sae.tmp->sae_rand, mask,
sae.tmp->own_commit_scalar) < 0 ||
crypto_bignum_mod(sae.tmp->own_commit_scalar, sae.tmp->order,
sae.tmp->own_commit_scalar) < 0 ||
crypto_ec_point_mul(sae.tmp->ec, sae.tmp->pwe_ecc, mask,
sae.tmp->own_commit_element_ecc) < 0 ||
crypto_ec_point_invert(sae.tmp->ec,
sae.tmp->own_commit_element_ecc) < 0)
goto fail;
/* Check that output matches the test vector */
sae_write_commit(&sae, buf, NULL, pwid);
wpa_hexdump_buf(MSG_DEBUG, "SAE: Commit message", buf);
if (wpabuf_len(buf) != sizeof(local_commit) ||
os_memcmp(wpabuf_head(buf), local_commit,
sizeof(local_commit)) != 0) {
wpa_printf(MSG_ERROR, "SAE: Mismatch in local commit");
goto fail;
}
if (sae_parse_commit(&sae, peer_commit, sizeof(peer_commit), NULL, NULL,
NULL) != 0 ||
sae_process_commit(&sae) < 0)
goto fail;
if (os_memcmp(kck, sae.tmp->kck, SAE_KCK_LEN) != 0) {
wpa_printf(MSG_ERROR, "SAE: Mismatch in KCK");
goto fail;
}
if (os_memcmp(pmk, sae.pmk, SAE_PMK_LEN) != 0) {
wpa_printf(MSG_ERROR, "SAE: Mismatch in PMK");
goto fail;
}
if (os_memcmp(pmkid, sae.pmkid, SAE_PMKID_LEN) != 0) {
wpa_printf(MSG_ERROR, "SAE: Mismatch in PMKID");
goto fail;
}
buf->used = 0;
sae.send_confirm = 1;
sae_write_confirm(&sae, buf);
wpa_hexdump_buf(MSG_DEBUG, "SAE: Confirm message", buf);
if (wpabuf_len(buf) != sizeof(local_confirm) ||
os_memcmp(wpabuf_head(buf), local_confirm,
sizeof(local_confirm)) != 0) {
wpa_printf(MSG_ERROR, "SAE: Mismatch in local confirm");
goto fail;
}
if (sae_check_confirm(&sae, peer_confirm, sizeof(peer_confirm)) < 0)
goto fail;
ret = 0;
fail:
sae_clear_data(&sae);
wpabuf_free(buf);
crypto_bignum_deinit(mask, 1);
return ret;
}
int common_module_tests(void)
{
int ret = 0;
@ -256,6 +427,7 @@ int common_module_tests(void)
if (ieee802_11_parse_tests() < 0 ||
gas_tests() < 0 ||
sae_tests() < 0 ||
rsn_ie_parse_tests() < 0)
ret = -1;