From: Jouni Malinen Date: Sat, 6 Apr 2019 10:26:15 +0000 (+0300) Subject: tests: SAE test vector from IEEE P802.11-REVmd/D2.1, Annex J.10 X-Git-Tag: hostap_2_8~140 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3d93e26e669537bd776cda9dc3294869e65d8c12;p=thirdparty%2Fhostap.git tests: SAE test vector from IEEE P802.11-REVmd/D2.1, Annex J.10 Signed-off-by: Jouni Malinen --- diff --git a/src/common/common_module_tests.c b/src/common/common_module_tests.c index 0b596bbcc..82d3aed29 100644 --- a/src/common/common_module_tests.c +++ b/src/common/common_module_tests.c @@ -1,6 +1,6 @@ /* * common module tests - * Copyright (c) 2014-2015, Jouni Malinen + * Copyright (c) 2014-2019, Jouni Malinen * * 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;