forked from lthn/blockchain
experimental crypto: ml2s_py2cpp, ml2s_cpp2py, ml2s_hsc
This commit is contained in:
sowle
parent
a01cc99c3b
commit
0dce55c2e1
1 changed files with 177 additions and 0 deletions
|
|
@ -1659,6 +1659,183 @@ TEST(ml2s, hs)
|
|||
return true;
|
||||
}
|
||||
|
||||
TEST(ml2s, hsc)
|
||||
{
|
||||
hash_helper_t::hs_t hsc;
|
||||
hsc.add_point(c_point_G);
|
||||
LOG_PRINT_L0("hsc(G) = " << hsc.calc_hash().as_secret_key());
|
||||
|
||||
hsc.add_point(c_point_G);
|
||||
hsc.add_scalar(scalar_from_str("0b2900d8eaf9996d2c5345833b280ef93be5c6881dc26f89ecad7a86441cc10e"));
|
||||
hsc.add_point(c_point_G);
|
||||
LOG_PRINT_L0("hsc(GsG) = " << hsc.calc_hash().as_secret_key());
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
TEST(ml2s, py2cpp)
|
||||
{
|
||||
// verify a signature generated by python's reference code
|
||||
|
||||
std::vector<point_t> B_array = { point_from_str("2f1132ca61ab38dff00f2fea3228f24c6c71d58085b80e47e19515cb27e8d047"), point_from_str("5866666666666666666666666666666666666666666666666666666666666666") };
|
||||
ml2s_signature sig;
|
||||
sig.z = scalar_from_str("0b2900d8eaf9996d2c5345833b280ef93be5c6881dc26f89ecad7a86441cc10e");
|
||||
{
|
||||
ml2s_signature_element e;
|
||||
e.H_array = { point_from_str("de6169b6f9e4e3dcf450c87f5f9cc5954db82fea3a0afccf285ffff0590cc343"), point_from_str("0d09ad5376090d844afde60f7b0ba78e8010987724e76eeb1f73d490e26ef114") };
|
||||
e.T = point_from_str("8df512bbe80238bbb5579e41caab69f209c35560f03a7fdde5d1369b059e38f8");
|
||||
e.T0 = point_from_str("fb973d514bb0df3f2bb30038dfe50164a9cd48ef6e7b9ac7a253cbc328f214ab");
|
||||
e.Z = point_from_str("27b77c99771a4d8198fd5ebcfae71dc063bd2286006fb9f4a72b72dbcf552c30");
|
||||
e.Z0 = point_from_str("a6dd57fcfb5d00c9ad866df931732df491fa0dde14ac76a817399fc2e212666d");
|
||||
e.r_array = { scalar_from_str("12921a30105714028187e9ecccf2106d04f6e08dbe7d07001fe3e93a1ffa6e04"), scalar_from_str("fbe2fb0ff0481309db53791b77557eab7359d6cf8274d8dac6ad5092075ec009") };
|
||||
e.t = scalar_from_str("002fca7de8af4c57b94b4b49ba2792644dddf09baf729fe31be1c265d2df2e0e");
|
||||
e.t0 = scalar_from_str("e0c20ec9adbb047d3b26f8073b49e21e700b9bfe6601b6565ec5ec0e83ad230a");
|
||||
sig.elements.emplace_back(e);
|
||||
}
|
||||
{
|
||||
ml2s_signature_element e;
|
||||
e.H_array = { point_from_str("661f05591cc6e0a42bc94b5f9d45318248051368306bc199d555306598c6330a"), point_from_str("5281aa630ee6e7ef9af5d758fd98fbf72680e8a97e3329827c9ba24577b06aea") };
|
||||
e.T = point_from_str("97463bbf9bf49474853e4e68bb927b8aeb53472b33315930583887ee63d0e341");
|
||||
e.T0 = point_from_str("e4877f4e8a9dd8a57955a13a66a2ced96f3e7f2a64ff40beef9641ad4eecbf91");
|
||||
e.Z = point_from_str("24a64d04e530772d23a3455047b89569fe796d002dc3d40b57f2ab350eddff47");
|
||||
e.Z0 = point_from_str("8db841a90faac3c019f42824fac7177505ca9fb51a21ba0fd8d4112ec9dd9e89");
|
||||
e.r_array = { scalar_from_str("52038eb19d0eaffe10cc379ce5a739557adccf4a95ccf77c3159c71d2f166b0f"), scalar_from_str("aebb28319c552708ad2495802a3f585780ae1286146d6e5a845e3074607c0a03") };
|
||||
e.t = scalar_from_str("285a411ddcf56747fe11f5053ec3bff7617ad3ed9c6f1929874d90d91fb7680a");
|
||||
e.t0 = scalar_from_str("44552f3136dbee1b5b63d4a1a9d8799aed54ddd75ed9ebdf6de0a6e032ac7505");
|
||||
sig.elements.emplace_back(e);
|
||||
}
|
||||
|
||||
scalar_t m = 31337;
|
||||
|
||||
uint8_t err = 0;
|
||||
bool r = ml2s_lnk_sig_verif(m, B_array, sig, &err);
|
||||
|
||||
ASSERT_TRUE(r);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
std::string ml2s_sig_to_python(const std::vector<point_t>& B_array, const ml2s_signature& sig, const std::vector<point_t>& I_array)
|
||||
{
|
||||
std::string str;
|
||||
if (B_array.empty() || sig.elements.empty())
|
||||
return str;
|
||||
|
||||
auto points_array_to_dict = [](const std::vector<point_t>& v) -> std::string
|
||||
{
|
||||
std::string s;
|
||||
size_t idx = 1;
|
||||
for (auto& p : v)
|
||||
s += epee::string_tools::num_to_string_fast(idx++) + ": ed25519.Point('" + p.to_string() + "'), ";
|
||||
if (s.size() > 2)
|
||||
s.erase(s.end() - 2, s.end());
|
||||
return s;
|
||||
};
|
||||
|
||||
auto points_array_to_array = [](const std::vector<point_t>& v) -> std::string
|
||||
{
|
||||
std::string s;
|
||||
for (auto& p : v)
|
||||
s += "ed25519.Point('" + p.to_string() + "'), ";
|
||||
if (s.size() > 2)
|
||||
s.erase(s.end() - 2, s.end());
|
||||
return s;
|
||||
};
|
||||
|
||||
auto scalars_array_to_dict = [](const std::vector<scalar_t>& v) -> std::string
|
||||
{
|
||||
std::string s;
|
||||
size_t idx = 1;
|
||||
for (auto& p : v)
|
||||
s += epee::string_tools::num_to_string_fast(idx++) + ": 0x" + p.to_string_as_hex_number() + ", ";
|
||||
if (s.size() > 2)
|
||||
s.erase(s.end() - 2, s.end());
|
||||
return s;
|
||||
};
|
||||
|
||||
std::string indent = " ";
|
||||
|
||||
str += indent + "B_array = [ ";
|
||||
for (auto& B : B_array)
|
||||
str += std::string("ed25519.Point('") + B.to_string() + "'), ";
|
||||
str.erase(str.end() - 2, str.end());
|
||||
str += " ]\n";
|
||||
|
||||
str += indent + "signature = (0x" + sig.z.to_string_as_hex_number() + ", [\n";
|
||||
for (size_t i = 0; i < sig.elements.size(); ++i)
|
||||
{
|
||||
const auto& sel = sig.elements[i];
|
||||
str += indent + indent + "{\n";
|
||||
str += indent + indent + indent + "'H' : { " + points_array_to_dict(sel.H_array) + " },\n";
|
||||
str += indent + indent + indent + "'T' : ed25519.Point('" + sel.T.to_string() + "'),\n";
|
||||
str += indent + indent + indent + "'T0' : ed25519.Point('" + sel.T0.to_string() + "'),\n";
|
||||
str += indent + indent + indent + "'Z' : ed25519.Point('" + sel.Z.to_string() + "'),\n";
|
||||
str += indent + indent + indent + "'Z0' : ed25519.Point('" + sel.Z0.to_string() + "'),\n";
|
||||
str += indent + indent + indent + "'r' : { " + scalars_array_to_dict(sel.r_array) + " },\n";
|
||||
str += indent + indent + indent + "'t' : 0x" + sel.t.to_string_as_hex_number() + ",\n";
|
||||
str += indent + indent + indent + "'t0' : 0x" + sel.t0.to_string_as_hex_number() + "\n";
|
||||
str += indent + indent + "},\n";
|
||||
}
|
||||
str.erase(str.end() - 2, str.end());
|
||||
str += "\n";
|
||||
str += indent + "])\n";
|
||||
str += "\n";
|
||||
|
||||
str += indent + "I_reference = [ " + points_array_to_array(I_array) + " ]\n";
|
||||
|
||||
return str;
|
||||
}
|
||||
|
||||
TEST(ml2s, cpp2py)
|
||||
{
|
||||
// Generate a random sig and python code to check it
|
||||
scalar_t m;
|
||||
m.make_random();
|
||||
size_t n = 8;
|
||||
size_t N = 1ull << n;
|
||||
size_t L = 8;
|
||||
|
||||
// generate a signature
|
||||
|
||||
std::vector<point_t> ring;
|
||||
std::vector<scalar_t> secret_keys;
|
||||
std::vector<size_t> ring_mapping;
|
||||
std::vector<point_t> key_images;
|
||||
generate_test_ring_and_sec_keys(N, L, ring, secret_keys, ring_mapping, key_images);
|
||||
|
||||
ml2s_signature sig;
|
||||
ASSERT_TRUE(ml2s_lnk_sig_gen(m, ring, secret_keys, ring_mapping, sig));
|
||||
|
||||
ASSERT_TRUE(ml2s_lnk_sig_verif(m, ring, sig, nullptr, &key_images));
|
||||
|
||||
// generate Python code
|
||||
|
||||
std::string str, indent = " ";
|
||||
str += "import ed25519\n";
|
||||
str += "import L2S\n";
|
||||
str += "\n";
|
||||
str += "def check_sig():\n";
|
||||
str += ml2s_sig_to_python(ring, sig, key_images);
|
||||
str += indent + "m = 0x" + m.to_string_as_hex_number() + "\n";
|
||||
str += indent + "result = L2S.mL2SLnkSig_Verif(len(B_array) * 2, B_array, m, signature)\n";
|
||||
str += indent + "print(f\"Verif returned : {result}\")\n";
|
||||
str += indent + "\n";
|
||||
str += indent + "if result != I_reference:\n";
|
||||
str += indent + indent + "print(\"ERROR: Key images don't match\")\n";
|
||||
str += indent + indent + "return False\n";
|
||||
str += indent + "\n";
|
||||
str += indent + "return True\n";
|
||||
str += "\n";
|
||||
str += "if check_sig():\n";
|
||||
str += indent + "print(\"Signature verified, key images matched\")\n";
|
||||
|
||||
epee::file_io_utils::save_string_to_file("ml2s_sig_check_test.py", str);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
//
|
||||
// test's runner
|
||||
//
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue