END_TEST
START_TEST(test_bip32_compare)
{
HDNode node1, node2, node3;
int i, r;
hdnode_from_seed(fromhex("301133282ad079cbeb59bc446ad39d333928f74c46997d3609cd3e2801ca69d62788f9f174429946ff4e9be89f67c22fae28cb296a9b37734f75e73d1477af19"), 64, &node1);
hdnode_from_seed(fromhex("301133282ad079cbeb59bc446ad39d333928f74c46997d3609cd3e2801ca69d62788f9f174429946ff4e9be89f67c22fae28cb296a9b37734f75e73d1477af19"), 64, &node2);
for (i = 0; i < 300; i++) {
memcpy(&node3, &node1, sizeof(HDNode));
r = hdnode_private_ckd(&node1, i); ck_assert_int_eq(r, 1);
r = hdnode_public_ckd(&node2, i); ck_assert_int_eq(r, 1);
r = hdnode_public_ckd(&node3, i); ck_assert_int_eq(r, 1);
ck_assert_int_eq(node1.depth, node2.depth);
ck_assert_int_eq(node1.depth, node3.depth);
ck_assert_int_eq(node1.fingerprint, node2.fingerprint);
ck_assert_int_eq(node1.fingerprint, node3.fingerprint);
ck_assert_int_eq(node1.child_num, node2.child_num);
ck_assert_int_eq(node1.child_num, node3.child_num);
ck_assert_mem_eq(node1.chain_code, node2.chain_code, 32);
ck_assert_mem_eq(node1.chain_code, node3.chain_code, 32);
ck_assert_mem_eq(node2.private_key, fromhex("0000000000000000000000000000000000000000000000000000000000000000"), 32);
ck_assert_mem_eq(node3.private_key, fromhex("0000000000000000000000000000000000000000000000000000000000000000"), 32);
ck_assert_mem_eq(node1.public_key, node2.public_key, 33);
ck_assert_mem_eq(node1.public_key, node3.public_key, 33);
}
}
serializedAsymmetricKey TrezorCrypto::GetChild(
const proto::AsymmetricKey& parent,
const uint32_t index) const
{
std::shared_ptr<HDNode> node = SerializedToHDNode(parent);
if (proto::KEYMODE_PRIVATE == parent.mode()) {
hdnode_private_ckd(node.get(), index);
} else {
hdnode_public_ckd(node.get(), index);
}
serializedAsymmetricKey key = HDNodeToSerialized(
*node,
TrezorCrypto::DERIVE_PRIVATE);
return key;
}
/// BIP32 PubKey derivation
FB::VariantMap PluginAPI::derive_child_node(const FB::VariantMap &node_map,
unsigned int index)
{
try {
std::auto_ptr<PB::Message> node_msg;
HDNode node;
node_msg = create_message("HDNodeType");
message_from_map(*node_msg, node_map);
message_to_hdnode(*node_msg, node);
hdnode_public_ckd(&node, index);
message_from_hdnode(*node_msg, node);
return message_to_map(*node_msg);
} catch (const std::exception &e) {
FBLOG_ERROR("hdnode_public_ckd()", "Exception caught");
FBLOG_ERROR("hdnode_public_ckd()", e.what());
throw FB::script_error(e.what());
}
}
END_TEST
// test vector 2 from https://en.bitcoin.it/wiki/BIP_0032_TestVectors
START_TEST(test_bip32_vector_2)
{
HDNode node;
int r;
// init m
hdnode_from_seed(fromhex("fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542"), 64, &node);
// [Chain m]
ck_assert_int_eq(node.fingerprint, 0x00000000);
ck_assert_mem_eq(node.chain_code, fromhex("60499f801b896d83179a4374aeb7822aaeaceaa0db1f85ee3e904c4defbd9689"), 32);
ck_assert_mem_eq(node.private_key, fromhex("4b03d6fc340455b363f51020ad3ecca4f0850280cf436c70c727923f6db46c3e"), 32);
ck_assert_mem_eq(node.public_key, fromhex("03cbcaa9c98c877a26977d00825c956a238e8dddfbd322cce4f74b0b5bd6ace4a7"), 33);
// [Chain m/0]
r = hdnode_private_ckd(&node, 0);
ck_assert_int_eq(r, 1);
ck_assert_int_eq(node.fingerprint, 0xbd16bee5);
ck_assert_mem_eq(node.chain_code, fromhex("f0909affaa7ee7abe5dd4e100598d4dc53cd709d5a5c2cac40e7412f232f7c9c"), 32);
ck_assert_mem_eq(node.private_key, fromhex("abe74a98f6c7eabee0428f53798f0ab8aa1bd37873999041703c742f15ac7e1e"), 32);
ck_assert_mem_eq(node.public_key, fromhex("02fc9e5af0ac8d9b3cecfe2a888e2117ba3d089d8585886c9c826b6b22a98d12ea"), 33);
// [Chain m/0/2147483647']
r = hdnode_private_ckd_prime(&node, 2147483647);
ck_assert_int_eq(r, 1);
ck_assert_int_eq(node.fingerprint, 0x5a61ff8e);
ck_assert_mem_eq(node.chain_code, fromhex("be17a268474a6bb9c61e1d720cf6215e2a88c5406c4aee7b38547f585c9a37d9"), 32);
ck_assert_mem_eq(node.private_key, fromhex("877c779ad9687164e9c2f4f0f4ff0340814392330693ce95a58fe18fd52e6e93"), 32);
ck_assert_mem_eq(node.public_key, fromhex("03c01e7425647bdefa82b12d9bad5e3e6865bee0502694b94ca58b666abc0a5c3b"), 33);
// [Chain m/0/2147483647'/1]
r = hdnode_private_ckd(&node, 1);
ck_assert_int_eq(r, 1);
ck_assert_int_eq(node.fingerprint, 0xd8ab4937);
ck_assert_mem_eq(node.chain_code, fromhex("f366f48f1ea9f2d1d3fe958c95ca84ea18e4c4ddb9366c336c927eb246fb38cb"), 32);
ck_assert_mem_eq(node.private_key, fromhex("704addf544a06e5ee4bea37098463c23613da32020d604506da8c0518e1da4b7"), 32);
ck_assert_mem_eq(node.public_key, fromhex("03a7d1d856deb74c508e05031f9895dab54626251b3806e16b4bd12e781a7df5b9"), 33);
// [Chain m/0/2147483647'/1/2147483646']
r = hdnode_private_ckd_prime(&node, 2147483646);
ck_assert_int_eq(r, 1);
ck_assert_int_eq(node.fingerprint, 0x78412e3a);
ck_assert_mem_eq(node.chain_code, fromhex("637807030d55d01f9a0cb3a7839515d796bd07706386a6eddf06cc29a65a0e29"), 32);
ck_assert_mem_eq(node.private_key, fromhex("f1c7c871a54a804afe328b4c83a1c33b8e5ff48f5087273f04efa83b247d6a2d"), 32);
ck_assert_mem_eq(node.public_key, fromhex("02d2b36900396c9282fa14628566582f206a5dd0bcc8d5e892611806cafb0301f0"), 33);
// [Chain m/0/2147483647'/1/2147483646'/2]
r = hdnode_private_ckd(&node, 2);
ck_assert_int_eq(r, 1);
ck_assert_int_eq(node.fingerprint, 0x31a507b8);
ck_assert_mem_eq(node.chain_code, fromhex("9452b549be8cea3ecb7a84bec10dcfd94afe4d129ebfd3b3cb58eedf394ed271"), 32);
ck_assert_mem_eq(node.private_key, fromhex("bb7d39bdb83ecf58f2fd82b6d918341cbef428661ef01ab97c28a4842125ac23"), 32);
ck_assert_mem_eq(node.public_key, fromhex("024d902e1a2fc7a8755ab5b694c575fce742c48d9ff192e63df5193e4c7afe1f9c"), 33);
// init m
hdnode_from_seed(fromhex("fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542"), 64, &node);
// test public derivation
// [Chain m/0]
r = hdnode_public_ckd(&node, 0);
ck_assert_int_eq(r, 1);
ck_assert_int_eq(node.fingerprint, 0xbd16bee5);
ck_assert_mem_eq(node.chain_code, fromhex("f0909affaa7ee7abe5dd4e100598d4dc53cd709d5a5c2cac40e7412f232f7c9c"), 32);
ck_assert_mem_eq(node.private_key, fromhex("0000000000000000000000000000000000000000000000000000000000000000"), 32);
ck_assert_mem_eq(node.public_key, fromhex("02fc9e5af0ac8d9b3cecfe2a888e2117ba3d089d8585886c9c826b6b22a98d12ea"), 33);
}