boromir.cpp

int main()
{
    // Generate new random secret keys
    bc::secret_list secrets;
    for (size_t i = 0; i < 8; ++i)
        secrets.push_back(new_key());

    // Create two rings from the first 4 and last 4 keys
    auto ring0 = extract_public_keys(
        secrets.begin(), secrets.begin() + 4);
    auto ring1 = extract_public_keys(
        secrets.begin() + 4, secrets.end());
    BITCOIN_ASSERT(ring0.size() == 4);
    BITCOIN_ASSERT(ring1.size() == 4);
    const bc::key_rings rings{ring0, ring1};

    // Randomly choose two secret keys which exist in both rings
    // So one key from first 4, and one from last 4
    bc::secret_list secret_keys;
    secret_keys.push_back(secrets[random_int(0, 3)]);
    secret_keys.push_back(secrets[random_int(4, 7)]);
    BITCOIN_ASSERT(secret_keys.size() == 2);
    BITCOIN_ASSERT(is_secret_in_ring(secret_keys[0], ring0));
    BITCOIN_ASSERT(is_secret_in_ring(secret_keys[1], ring1));

    std::string message = "hello world!";
    bc::data_chunk message_data = bc::to_chunk(message);

    bc::ring_signature signature;
    bool rc = bc::sign(signature, secret_keys, rings, message_data);

    bool result = bc::verify(rings, message_data, signature);
    BITCOIN_ASSERT(result);

    std::cout << "OK" << std::endl;
    return 0;
}