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tests: add BIP32 ECDH (#76)

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* tests: add BIP32 ECDH

* tests: BIP32 ECDH errors
This commit is contained in:
Roman Zeyde 2016-10-24 13:40:00 +03:00 committed by Pavol Rusnak
parent 6d08eb99b8
commit 420c71992a
1 changed files with 73 additions and 1 deletions
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74
tests.c
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@ -2510,6 +2510,72 @@ START_TEST(test_ed25519) {
}
END_TEST
static void test_bip32_ecdh_init_node(HDNode *node, const char *seed_str, const char *curve_name) {
hdnode_from_seed((const uint8_t *)seed_str, strlen(seed_str), curve_name, node);
hdnode_fill_public_key(node);
if (node->public_key[0] == 1) {
node->public_key[0] = 0x40; // Curve25519 public keys start with 0x40 byte
}
}
static void test_bip32_ecdh(const char *curve_name, int expected_key_size, const uint8_t *expected_key) {
int res, key_size;
HDNode alice, bob;
uint8_t session_key1[expected_key_size], session_key2[expected_key_size];
test_bip32_ecdh_init_node(&alice, "Alice", curve_name);
test_bip32_ecdh_init_node(&bob, "Bob", curve_name);
// Generate shared key from Alice's secret key and Bob's public key
res = hdnode_get_shared_key(&alice, bob.public_key, session_key1, &key_size);
ck_assert_int_eq(res, 0);
ck_assert_int_eq(key_size, expected_key_size);
ck_assert_mem_eq(session_key1, expected_key, key_size);
// Generate shared key from Bob's secret key and Alice's public key
res = hdnode_get_shared_key(&bob, alice.public_key, session_key2, &key_size);
ck_assert_int_eq(res, 0);
ck_assert_int_eq(key_size, expected_key_size);
ck_assert_mem_eq(session_key2, expected_key, key_size);
}
START_TEST(test_bip32_ecdh_nist256p1) {
test_bip32_ecdh(
NIST256P1_NAME, 65,
fromhex("044aa56f917323f071148cd29aa423f6bee96e7fe87f914d0b91a0f95388c6631646ea92e882773d7b0b1bec356b842c8559a1377673d3965fb931c8fe51e64873"));
}
END_TEST
START_TEST(test_bip32_ecdh_curve25519) {
test_bip32_ecdh(
CURVE25519_NAME, 33,
fromhex("04f34e35516325bb0d4a58507096c444a05ba13524ccf66910f11ce96c62224169"));
}
END_TEST
START_TEST(test_bip32_ecdh_errors) {
HDNode node;
const uint8_t peer_public_key[65] = {0}; // invalid public key
uint8_t session_key[65];
int res, key_size = 0;
test_bip32_ecdh_init_node(&node, "Seed", ED25519_NAME);
res = hdnode_get_shared_key(&node, peer_public_key, session_key, &key_size);
ck_assert_int_eq(res, 1);
ck_assert_int_eq(key_size, 0);
test_bip32_ecdh_init_node(&node, "Seed", CURVE25519_NAME);
res = hdnode_get_shared_key(&node, peer_public_key, session_key, &key_size);
ck_assert_int_eq(res, 1);
ck_assert_int_eq(key_size, 0);
test_bip32_ecdh_init_node(&node, "Seed", NIST256P1_NAME);
res = hdnode_get_shared_key(&node, peer_public_key, session_key, &key_size);
ck_assert_int_eq(res, 1);
ck_assert_int_eq(key_size, 0);
}
END_TEST
START_TEST(test_output_script) {
static const char *vectors[] = {
"76A914010966776006953D5567439E5E39F86A0D273BEE88AC", "16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM",
@ -2674,7 +2740,13 @@ Suite *test_suite(void)
tcase_add_test(tc, test_bip32_ed25519_vector_1);
tcase_add_test(tc, test_bip32_ed25519_vector_2);
suite_add_tcase(s, tc);
tc = tcase_create("bip32-ecdh");
tcase_add_test(tc, test_bip32_ecdh_nist256p1);
tcase_add_test(tc, test_bip32_ecdh_curve25519);
tcase_add_test(tc, test_bip32_ecdh_errors);
suite_add_tcase(s, tc);
tc = tcase_create("ecdsa");
tcase_add_test(tc, test_ecdsa_signature);
suite_add_tcase(s, tc);