// SPDX-License-Identifier: BSD-2-Clause /* * Copyright (c) 2013, Kenneth MacKay * All rights reserved. * */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include #include "src/shared/ecc.h" #include "src/shared/util.h" #include "src/shared/tester.h" static void print_dump(const char *str, void *user_data) { tester_debug("%s", str); } static void print_buf(const char *label, uint8_t *buf, size_t len) { tester_debug("%s", label); util_hexdump(' ', buf, len, print_dump, NULL); } #define PAIR_COUNT 200 static void test_multi(const void *data) { uint8_t public1[64], public2[64]; uint8_t private1[32], private2[32]; uint8_t shared1[32], shared2[32]; int i; tester_debug("Testing %u random private key pairs", PAIR_COUNT); for (i = 0; i < PAIR_COUNT; i++) { ecc_make_key(public1, private1); ecc_make_key(public2, private2); ecdh_shared_secret(public1, private2, shared1); ecdh_shared_secret(public2, private1, shared2); if (memcmp(shared1, shared2, sizeof(shared1)) != 0) { tester_debug("Shared secrets are not identical!\n"); print_buf("Shared secret 1 = ", shared1, sizeof(shared1)); print_buf("Shared secret 2 = ", shared2, sizeof(shared2)); print_buf("Private key 1 = ", private1, sizeof(private1)); print_buf("Private key 2 = ", private2, sizeof(private2)); g_assert_not_reached(); } } tester_test_passed(); } static int test_sample(uint8_t priv_a[32], uint8_t priv_b[32], uint8_t pub_a[64], uint8_t pub_b[64], uint8_t dhkey[32]) { uint8_t dhkey_a[32], dhkey_b[32]; int fails = 0; memset(dhkey_a, 0, sizeof(dhkey_a)); ecdh_shared_secret(pub_b, priv_a, dhkey_a); memset(dhkey_b, 0, sizeof(dhkey_b)); ecdh_shared_secret(pub_a, priv_b, dhkey_b); if (g_test_verbose()) { print_buf("DHKey ", dhkey, 32); print_buf("DHKey A", dhkey_a, 32); print_buf("DHKey B", dhkey_b, 32); } if (memcmp(dhkey_a, dhkey, 32)) { tester_debug("DHKey A doesn't match!"); fails++; } else { tester_debug("DHKey A matches :)"); } if (memcmp(dhkey_b, dhkey, 32)) { tester_debug("DHKey B doesn't match!"); fails++; } else { tester_debug("DHKey B matches :)"); } return fails; } static void test_sample_1(const void *data) { uint8_t priv_a[32] = { 0xbd, 0x1a, 0x3c, 0xcd, 0xa6, 0xb8, 0x99, 0x58, 0x99, 0xb7, 0x40, 0xeb, 0x7b, 0x60, 0xff, 0x4a, 0x50, 0x3f, 0x10, 0xd2, 0xe3, 0xb3, 0xc9, 0x74, 0x38, 0x5f, 0xc5, 0xa3, 0xd4, 0xf6, 0x49, 0x3f, }; uint8_t priv_b[32] = { 0xfd, 0xc5, 0x7f, 0xf4, 0x49, 0xdd, 0x4f, 0x6b, 0xfb, 0x7c, 0x9d, 0xf1, 0xc2, 0x9a, 0xcb, 0x59, 0x2a, 0xe7, 0xd4, 0xee, 0xfb, 0xfc, 0x0a, 0x90, 0x9a, 0xbb, 0xf6, 0x32, 0x3d, 0x8b, 0x18, 0x55, }; uint8_t pub_a[64] = { 0xe6, 0x9d, 0x35, 0x0e, 0x48, 0x01, 0x03, 0xcc, 0xdb, 0xfd, 0xf4, 0xac, 0x11, 0x91, 0xf4, 0xef, 0xb9, 0xa5, 0xf9, 0xe9, 0xa7, 0x83, 0x2c, 0x5e, 0x2c, 0xbe, 0x97, 0xf2, 0xd2, 0x03, 0xb0, 0x20, 0x8b, 0xd2, 0x89, 0x15, 0xd0, 0x8e, 0x1c, 0x74, 0x24, 0x30, 0xed, 0x8f, 0xc2, 0x45, 0x63, 0x76, 0x5c, 0x15, 0x52, 0x5a, 0xbf, 0x9a, 0x32, 0x63, 0x6d, 0xeb, 0x2a, 0x65, 0x49, 0x9c, 0x80, 0xdc, }; uint8_t pub_b[64] = { 0x90, 0xa1, 0xaa, 0x2f, 0xb2, 0x77, 0x90, 0x55, 0x9f, 0xa6, 0x15, 0x86, 0xfd, 0x8a, 0xb5, 0x47, 0x00, 0x4c, 0x9e, 0xf1, 0x84, 0x22, 0x59, 0x09, 0x96, 0x1d, 0xaf, 0x1f, 0xf0, 0xf0, 0xa1, 0x1e, 0x4a, 0x21, 0xb1, 0x15, 0xf9, 0xaf, 0x89, 0x5f, 0x76, 0x36, 0x8e, 0xe2, 0x30, 0x11, 0x2d, 0x47, 0x60, 0x51, 0xb8, 0x9a, 0x3a, 0x70, 0x56, 0x73, 0x37, 0xad, 0x9d, 0x42, 0x3e, 0xf3, 0x55, 0x4c, }; uint8_t dhkey[32] = { 0x98, 0xa6, 0xbf, 0x73, 0xf3, 0x34, 0x8d, 0x86, 0xf1, 0x66, 0xf8, 0xb4, 0x13, 0x6b, 0x79, 0x99, 0x9b, 0x7d, 0x39, 0x0a, 0xa6, 0x10, 0x10, 0x34, 0x05, 0xad, 0xc8, 0x57, 0xa3, 0x34, 0x02, 0xec, }; int fails; fails = test_sample(priv_a, priv_b, pub_a, pub_b, dhkey); g_assert(fails == 0); tester_test_passed(); } static void test_sample_2(const void *data) { uint8_t priv_a[32] = { 0x63, 0x76, 0x45, 0xd0, 0xf7, 0x73, 0xac, 0xb7, 0xff, 0xdd, 0x03, 0x72, 0xb9, 0x72, 0x85, 0xb4, 0x41, 0xb6, 0x5d, 0x0c, 0x5d, 0x54, 0x84, 0x60, 0x1a, 0xa3, 0x9a, 0x3c, 0x69, 0x16, 0xa5, 0x06, }; uint8_t priv_b[32] = { 0xba, 0x30, 0x55, 0x50, 0x19, 0xa2, 0xca, 0xa3, 0xa5, 0x29, 0x08, 0xc6, 0xb5, 0x03, 0x88, 0x7e, 0x03, 0x2b, 0x50, 0x73, 0xd4, 0x2e, 0x50, 0x97, 0x64, 0xcd, 0x72, 0x0d, 0x67, 0xa0, 0x9a, 0x52, }; uint8_t pub_a[64] = { 0xdd, 0x78, 0x5c, 0x74, 0x03, 0x9b, 0x7e, 0x98, 0xcb, 0x94, 0x87, 0x4a, 0xad, 0xfa, 0xf8, 0xd5, 0x43, 0x3e, 0x5c, 0xaf, 0xea, 0xb5, 0x4c, 0xf4, 0x9e, 0x80, 0x79, 0x57, 0x7b, 0xa4, 0x31, 0x2c, 0x4f, 0x5d, 0x71, 0x43, 0x77, 0x43, 0xf8, 0xea, 0xd4, 0x3e, 0xbd, 0x17, 0x91, 0x10, 0x21, 0xd0, 0x1f, 0x87, 0x43, 0x8e, 0x40, 0xe2, 0x52, 0xcd, 0xbe, 0xdf, 0x98, 0x38, 0x18, 0x12, 0x95, 0x91, }; uint8_t pub_b[64] = { 0xcc, 0x00, 0x65, 0xe1, 0xf5, 0x6c, 0x0d, 0xcf, 0xec, 0x96, 0x47, 0x20, 0x66, 0xc9, 0xdb, 0x84, 0x81, 0x75, 0xa8, 0x4d, 0xc0, 0xdf, 0xc7, 0x9d, 0x1b, 0x3f, 0x3d, 0xf2, 0x3f, 0xe4, 0x65, 0xf4, 0x79, 0xb2, 0xec, 0xd8, 0xca, 0x55, 0xa1, 0xa8, 0x43, 0x4d, 0x6b, 0xca, 0x10, 0xb0, 0xc2, 0x01, 0xc2, 0x33, 0x4e, 0x16, 0x24, 0xc4, 0xef, 0xee, 0x99, 0xd8, 0xbb, 0xbc, 0x48, 0xd0, 0x01, 0x02, }; uint8_t dhkey[32] = { 0x69, 0xeb, 0x21, 0x32, 0xf2, 0xc6, 0x05, 0x41, 0x60, 0x19, 0xcd, 0x5e, 0x94, 0xe1, 0xe6, 0x5f, 0x33, 0x07, 0xe3, 0x38, 0x4b, 0x68, 0xe5, 0x62, 0x3f, 0x88, 0x6d, 0x2f, 0x3a, 0x84, 0x85, 0xab, }; int fails; fails = test_sample(priv_a, priv_b, pub_a, pub_b, dhkey); g_assert(fails == 0); tester_test_passed(); } static void test_sample_3(const void *data) { uint8_t priv_a[32] = { 0xbd, 0x1a, 0x3c, 0xcd, 0xa6, 0xb8, 0x99, 0x58, 0x99, 0xb7, 0x40, 0xeb, 0x7b, 0x60, 0xff, 0x4a, 0x50, 0x3f, 0x10, 0xd2, 0xe3, 0xb3, 0xc9, 0x74, 0x38, 0x5f, 0xc5, 0xa3, 0xd4, 0xf6, 0x49, 0x3f, }; uint8_t pub_a[64] = { 0xe6, 0x9d, 0x35, 0x0e, 0x48, 0x01, 0x03, 0xcc, 0xdb, 0xfd, 0xf4, 0xac, 0x11, 0x91, 0xf4, 0xef, 0xb9, 0xa5, 0xf9, 0xe9, 0xa7, 0x83, 0x2c, 0x5e, 0x2c, 0xbe, 0x97, 0xf2, 0xd2, 0x03, 0xb0, 0x20, 0x8b, 0xd2, 0x89, 0x15, 0xd0, 0x8e, 0x1c, 0x74, 0x24, 0x30, 0xed, 0x8f, 0xc2, 0x45, 0x63, 0x76, 0x5c, 0x15, 0x52, 0x5a, 0xbf, 0x9a, 0x32, 0x63, 0x6d, 0xeb, 0x2a, 0x65, 0x49, 0x9c, 0x80, 0xdc, }; uint8_t dhkey[32] = { 0x2d, 0xab, 0x00, 0x48, 0xcb, 0xb3, 0x7b, 0xda, 0x55, 0x7b, 0x8b, 0x72, 0xa8, 0x57, 0x87, 0xc3, 0x87, 0x27, 0x99, 0x32, 0xfc, 0x79, 0x5f, 0xae, 0x7c, 0x1c, 0xf9, 0x49, 0xe6, 0xd7, 0xaa, 0x70, }; int fails; fails = test_sample(priv_a, priv_a, pub_a, pub_a, dhkey); g_assert(fails == 0); tester_test_passed(); } static void test_invalid_pub(const void *data) { uint8_t priv_a[32] = { 0xbd, 0x1a, 0x3c, 0xcd, 0xa6, 0xb8, 0x99, 0x58, 0x99, 0xb7, 0x40, 0xeb, 0x7b, 0x60, 0xff, 0x4a, 0x50, 0x3f, 0x10, 0xd2, 0xe3, 0xb3, 0xc9, 0x74, 0x38, 0x5f, 0xc5, 0xa3, 0xd4, 0xf6, 0x49, 0x3f, }; uint8_t pub_a[64] = { 0xe6, 0x9d, 0x35, 0x0e, 0x48, 0x01, 0x03, 0xcc, 0xdb, 0xfd, 0xf4, 0xac, 0x11, 0x91, 0xf4, 0xef, 0xb9, 0xa5, 0xf9, 0xe9, 0xa7, 0x83, 0x2c, 0x5e, 0x2c, 0xbe, 0x97, 0xf2, 0xd2, 0x03, 0xb0, 0x20, 0x8b, 0xd2, 0x89, 0x15, 0xd0, 0x8e, 0x1c, 0x74, 0x24, 0x30, 0xed, 0x8f, 0xc2, 0x45, 0x63, 0x76, 0x5c, 0x15, 0x52, 0x5a, 0xbf, 0x9a, 0x32, 0x63, 0x6d, 0xeb, 0x2a, 0x65, 0x49, 0x9c, 0x80, 0xdc, }; uint8_t dhkey[32] = { 0x2d, 0xab, 0x00, 0x48, 0xcb, 0xb3, 0x7b, 0xda, 0x55, 0x7b, 0x8b, 0x72, 0xa8, 0x57, 0x87, 0xc3, 0x87, 0x27, 0x99, 0x32, 0xfc, 0x79, 0x5f, 0xae, 0x7c, 0x1c, 0xf9, 0x49, 0xe6, 0xd7, 0xaa, 0x70, }; int fails; memset(pub_a + 32, 0x42, 32); fails = test_sample(priv_a, priv_a, pub_a, pub_a, dhkey); g_assert(fails >= 1); tester_test_passed(); } int main(int argc, char *argv[]) { tester_init(&argc, &argv); tester_add("/ecdh/multi", NULL, NULL, test_multi, NULL); tester_add("/ecdh/sample/1", NULL, NULL, test_sample_1, NULL); tester_add("/ecdh/sample/2", NULL, NULL, test_sample_2, NULL); tester_add("/ecdh/sample/3", NULL, NULL, test_sample_3, NULL); tester_add("/ecdh/invalid", NULL, NULL, test_invalid_pub, NULL); return tester_run(); }