Method TestBIP324PacketVector

src/test/bip324_tests.cpp:25–159

struct BIP324Test : BasicTestingSetup {
void TestBIP324PacketVector(
    uint32_t in_idx,
    const std::string& in_priv_ours_hex,
    const std::string& in_ellswift_ours_hex,
    const std::string& in_ellswift_theirs_hex,
    bool in_initiating,
    const std::string& in_contents_hex,
    uint32_t in_multiply,
    const std::string& in_aad_hex,
    bool in_ignore,
    const std::string& mid_send_garbage_hex,
    const std::string& mid_recv_garbage_hex,
    const std::string& out_session_id_hex,
    const std::string& out_ciphertext_hex,
    const std::string& out_ciphertext_endswith_hex)
{
    // Convert input from hex to char/byte vectors/arrays.
    const auto in_priv_ours = ParseHex(in_priv_ours_hex);
    const auto in_ellswift_ours = ParseHex<std::byte>(in_ellswift_ours_hex);
    const auto in_ellswift_theirs = ParseHex<std::byte>(in_ellswift_theirs_hex);
    const auto in_contents = ParseHex<std::byte>(in_contents_hex);
    const auto in_aad = ParseHex<std::byte>(in_aad_hex);
    const auto mid_send_garbage = ParseHex<std::byte>(mid_send_garbage_hex);
    const auto mid_recv_garbage = ParseHex<std::byte>(mid_recv_garbage_hex);
    const auto out_session_id = ParseHex<std::byte>(out_session_id_hex);
    const auto out_ciphertext = ParseHex<std::byte>(out_ciphertext_hex);
    const auto out_ciphertext_endswith = ParseHex<std::byte>(out_ciphertext_endswith_hex);

    // Load keys
    CKey key;
    key.Set(in_priv_ours.begin(), in_priv_ours.end(), true);
    EllSwiftPubKey ellswift_ours(in_ellswift_ours);
    EllSwiftPubKey ellswift_theirs(in_ellswift_theirs);

    // Instantiate encryption BIP324 cipher.
    BIP324Cipher cipher(key, ellswift_ours);
    BOOST_CHECK(!cipher);
    BOOST_CHECK(cipher.GetOurPubKey() == ellswift_ours);
    cipher.Initialize(ellswift_theirs, in_initiating);
    BOOST_CHECK(cipher);

    // Compare session variables.
    BOOST_CHECK(std::ranges::equal(out_session_id, cipher.GetSessionID()));
    BOOST_CHECK(std::ranges::equal(mid_send_garbage, cipher.GetSendGarbageTerminator()));
    BOOST_CHECK(std::ranges::equal(mid_recv_garbage, cipher.GetReceiveGarbageTerminator()));

    // Vector of encrypted empty messages, encrypted in order to seek to the right position.
    std::vector<std::vector<std::byte>> dummies(in_idx);

    // Seek to the numbered packet.
    for (uint32_t i = 0; i < in_idx; ++i) {
        dummies[i].resize(cipher.EXPANSION);
        cipher.Encrypt({}, {}, true, dummies[i]);
    }

    // Construct contents and encrypt it.
    std::vector<std::byte> contents;
    for (uint32_t i = 0; i < in_multiply; ++i) {