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wycheproof.cpp
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wycheproof.cpp
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#include <cryptofuzz/wycheproof.h>
#include <cryptofuzz/repository.h>
#include <cryptofuzz/operations.h>
#include <cryptofuzz/util.h>
#include <cryptofuzz/crypto.h>
#include <stdio.h>
#include <fstream>
namespace cryptofuzz {
Wycheproof::Wycheproof(const std::string filename, const std::string outDir) :
outDir(outDir) {
std::ifstream ifs(filename);
j = nlohmann::json::parse(ifs);
}
void Wycheproof::Run(void) {
const auto& groups = j["testGroups"];
if ( j["schema"].get<std::string>() == "ecdsa_verify_schema.json" ) {
ECDSA_Verify(groups);
} else if ( j["schema"].get<std::string>() == "eddsa_verify_schema.json" ) {
EDDSA_Verify(groups);
} else if ( j["schema"].get<std::string>() == "ecdh_test_schema.json" ) {
ECDH(groups);
} else if ( j["schema"].get<std::string>() == "dsa_verify_schema.json" ) {
DSA(groups);
} else if ( j["schema"].get<std::string>() == "primality_test_schema.json" ) {
PrimalityTest(groups);
}
}
void Wycheproof::write(const uint64_t operation, fuzzing::datasource::Datasource& dsOut2) {
fuzzing::datasource::Datasource dsOut(nullptr, 0);
/* Operation ID */
dsOut.Put<uint64_t>(operation);
dsOut.PutData(dsOut2.GetOut());
/* Modifier */
dsOut.PutData(std::vector<uint8_t>(0));
/* Module ID */
dsOut.Put<uint64_t>(CF_MODULE("OpenSSL"));
/* Terminator */
dsOut.Put<bool>(false);
{
//std::string filename = outDir + std::string("/") + std::to_string(counter++);
std::string filename = outDir + std::string("/") + util::SHA1(dsOut.GetOut());
FILE* fp = fopen(filename.c_str(), "wb");
fwrite(dsOut.GetOut().data(), dsOut.GetOut().size(), 1, fp);
fclose(fp);
}
}
void Wycheproof::ECDSA_Verify(const nlohmann::json& groups) {
for (const auto &group : groups) {
for (const auto &test : group["tests"]) {
nlohmann::json
p_ecdsa_verify,
p_ecc_point_add,
p_ecc_point_mul_1,
p_ecc_point_mul_2,
p_ecc_validatepubkey_1,
p_ecc_validatepubkey_2;
std::string digest;
{
const std::string curve = group["key"]["curve"];
auto curveID = repository::ECC_CurveFromString(curve);
if ( curveID == std::nullopt ) {
if ( curve == "brainpoolP224r1" ) {
curveID = CF_ECC_CURVE("brainpool224r1");
} else if ( curve == "brainpoolP224t1" ) {
curveID = CF_ECC_CURVE("brainpool224t1");
} else if ( curve == "brainpoolP256r1" ) {
curveID = CF_ECC_CURVE("brainpool256r1");
} else if ( curve == "brainpoolP256t1" ) {
curveID = CF_ECC_CURVE("brainpool256t1");
} else if ( curve == "brainpoolP320r1" ) {
curveID = CF_ECC_CURVE("brainpool320r1");
} else if ( curve == "brainpoolP320t1" ) {
curveID = CF_ECC_CURVE("brainpool320t1");
} else if ( curve == "brainpoolP384r1" ) {
curveID = CF_ECC_CURVE("brainpool384r1");
} else if ( curve == "brainpoolP384t1" ) {
curveID = CF_ECC_CURVE("brainpool384t1");
} else if ( curve == "brainpoolP512r1" ) {
curveID = CF_ECC_CURVE("brainpool512r1");
} else if ( curve == "brainpoolP512t1" ) {
curveID = CF_ECC_CURVE("brainpool512t1");
} else {
CF_ASSERT(0, "Curve not recognized");
}
}
p_ecdsa_verify["curveType"] = *curveID;
p_ecc_point_add["curveType"] = *curveID;
p_ecc_point_mul_1["curveType"] = *curveID;
p_ecc_point_mul_2["curveType"] = *curveID;
p_ecc_validatepubkey_1["curveType"] = *curveID;
p_ecc_validatepubkey_2["curveType"] = *curveID;
}
{
digest = group["sha"];
if ( digest == "SHA-224") {
p_ecdsa_verify["digestType"] = CF_DIGEST("SHA224");
} else if ( digest == "SHA-256") {
p_ecdsa_verify["digestType"] = CF_DIGEST("SHA256");
} else if ( digest == "SHA-384") {
p_ecdsa_verify["digestType"] = CF_DIGEST("SHA384");
} else if ( digest == "SHA-512") {
p_ecdsa_verify["digestType"] = CF_DIGEST("SHA512");
} else if ( digest == "SHA3-224") {
p_ecdsa_verify["digestType"] = CF_DIGEST("SHA3-224");
} else if ( digest == "SHA3-256") {
p_ecdsa_verify["digestType"] = CF_DIGEST("SHA3-256");
} else if ( digest == "SHA3-384") {
p_ecdsa_verify["digestType"] = CF_DIGEST("SHA3-384");
} else if ( digest == "SHA3-512") {
p_ecdsa_verify["digestType"] = CF_DIGEST("SHA3-512");
} else {
CF_ASSERT(0, "Digest not recognized");
}
}
p_ecdsa_verify["signature"]["pub"][0] = util::HexToDec(group["key"]["wx"]);
p_ecdsa_verify["signature"]["pub"][1] = util::HexToDec(group["key"]["wy"]);
p_ecc_point_add["a_x"] = util::HexToDec(group["key"]["wx"]);
p_ecc_point_add["a_y"] = util::HexToDec(group["key"]["wy"]);
p_ecc_point_mul_1["a_x"] = util::HexToDec(group["key"]["wx"]);
p_ecc_point_mul_1["a_y"] = util::HexToDec(group["key"]["wy"]);
p_ecc_validatepubkey_1["pub_x"] = util::HexToDec(group["key"]["wx"]);
p_ecc_validatepubkey_1["pub_y"] = util::HexToDec(group["key"]["wy"]);
{
const auto sig = util::SignatureFromDER(test["sig"].get<std::string>());
CF_CHECK_NE(sig, std::nullopt);
p_ecdsa_verify["signature"]["signature"][0] = sig->first;
p_ecdsa_verify["signature"]["signature"][1] = sig->second;
p_ecc_point_add["b_x"] = sig->first;
p_ecc_point_add["b_y"] = sig->second;
p_ecc_point_mul_2["a_x"] = sig->first;
p_ecc_point_mul_2["a_y"] = sig->second;
p_ecc_validatepubkey_2["pub_x"] = sig->first;
p_ecc_validatepubkey_2["pub_y"] = sig->second;
}
p_ecdsa_verify["cleartext"] = test["msg"].get<std::string>();
/* Construct and write ECDSA_Verify */
{
p_ecdsa_verify["modifier"] = "";
fuzzing::datasource::Datasource dsOut2(nullptr, 0);
cryptofuzz::operation::ECDSA_Verify op(p_ecdsa_verify);
op.Serialize(dsOut2);
write(CF_OPERATION("ECDSA_Verify"), dsOut2);
}
/* If digest type is SHA256, compute the SHA256 hash of the message,
* and use this to write an input that uses the NULL digest */
if ( digest == "SHA-256" ) {
/* Hex-decode cleartext */
std::vector<uint8_t> ct_sha256;
boost::algorithm::unhex(
test["msg"].get<std::string>(),
std::back_inserter(ct_sha256));
const auto ct = crypto::sha256(ct_sha256);
std::string ct_hex;
boost::algorithm::hex(ct, std::back_inserter(ct_hex));
p_ecdsa_verify["cleartext"] = ct_hex;
p_ecdsa_verify["digestType"] = CF_DIGEST("NULL");
fuzzing::datasource::Datasource dsOut2(nullptr, 0);
cryptofuzz::operation::ECDSA_Verify op(p_ecdsa_verify);
op.Serialize(dsOut2);
write(CF_OPERATION("ECDSA_Verify"), dsOut2);
}
{
p_ecc_point_add["modifier"] = "";
fuzzing::datasource::Datasource dsOut2(nullptr, 0);
cryptofuzz::operation::ECC_Point_Add op(p_ecc_point_add);
op.Serialize(dsOut2);
write(CF_OPERATION("ECC_Point_Add"), dsOut2);
}
{
p_ecc_point_mul_1["modifier"] = "";
p_ecc_point_mul_1["b"] = "1";
fuzzing::datasource::Datasource dsOut2(nullptr, 0);
cryptofuzz::operation::ECC_Point_Mul op(p_ecc_point_mul_1);
op.Serialize(dsOut2);
write(CF_OPERATION("ECC_Point_Mul"), dsOut2);
}
{
p_ecc_point_mul_2["modifier"] = "";
p_ecc_point_mul_2["b"] = "1";
fuzzing::datasource::Datasource dsOut2(nullptr, 0);
cryptofuzz::operation::ECC_Point_Mul op(p_ecc_point_mul_2);
op.Serialize(dsOut2);
write(CF_OPERATION("ECC_Point_Mul"), dsOut2);
}
{
p_ecc_validatepubkey_1["modifier"] = "";
fuzzing::datasource::Datasource dsOut2(nullptr, 0);
cryptofuzz::operation::ECC_ValidatePubkey op(p_ecc_validatepubkey_1);
op.Serialize(dsOut2);
write(CF_OPERATION("ECC_ValidatePubkey"), dsOut2);
}
{
p_ecc_validatepubkey_2["modifier"] = "";
fuzzing::datasource::Datasource dsOut2(nullptr, 0);
cryptofuzz::operation::ECC_ValidatePubkey op(p_ecc_validatepubkey_2);
op.Serialize(dsOut2);
write(CF_OPERATION("ECC_ValidatePubkey"), dsOut2);
}
end:
(void)1;
}
}
}
void Wycheproof::EDDSA_Verify(const nlohmann::json& groups) {
for (const auto &group : groups) {
for (const auto &test : group["tests"]) {
nlohmann::json parameters;
{
const std::string curve = group["key"]["curve"];
if ( curve == "edwards448" ) {
parameters["curveType"] = CF_ECC_CURVE("ed448");
} else {
CF_ASSERT(0, "Curve not recognized");
}
}
parameters["digestType"] = CF_DIGEST("NULL");
parameters["signature"]["pub"][0] = util::HexToDec(group["key"]["pk"]);
parameters["signature"]["pub"][1] = "0";
{
const auto sig = test["sig"].get<std::string>();
CF_CHECK_EQ(sig.size() % 4, 0);
const auto R = std::string(sig.data(), sig.data() + (sig.size() / 2));
const auto S = std::string(sig.data() + (sig.size() / 2), sig.data() + sig.size());
parameters["signature"]["signature"][0] = util::HexToDec(R);
parameters["signature"]["signature"][1] = util::HexToDec(S);
}
parameters["cleartext"] = test["msg"].get<std::string>();
parameters["modifier"] = std::string(1000, '0');
{
fuzzing::datasource::Datasource dsOut2(nullptr, 0);
cryptofuzz::operation::ECDSA_Verify op(parameters);
op.Serialize(dsOut2);
write(CF_OPERATION("ECDSA_Verify"), dsOut2);
}
end:
(void)1;
}
}
}
void Wycheproof::ECDH(const nlohmann::json& groups) {
for (const auto &group : groups) {
for (const auto &test : group["tests"]) {
nlohmann::json parameters;
parameters["modifier"] = "";
{
const std::string curve = group["curve"];
auto curveID = repository::ECC_CurveFromString(curve);
if ( curveID == std::nullopt ) {
if ( curve == "brainpoolP224r1" ) {
curveID = CF_ECC_CURVE("brainpool224r1");
} else if ( curve == "brainpoolP224t1" ) {
curveID = CF_ECC_CURVE("brainpool224t1");
} else if ( curve == "brainpoolP256r1" ) {
curveID = CF_ECC_CURVE("brainpool256r1");
} else if ( curve == "brainpoolP256t1" ) {
curveID = CF_ECC_CURVE("brainpool256t1");
} else if ( curve == "brainpoolP320r1" ) {
curveID = CF_ECC_CURVE("brainpool320r1");
} else if ( curve == "brainpoolP320t1" ) {
curveID = CF_ECC_CURVE("brainpool320t1");
} else if ( curve == "brainpoolP384r1" ) {
curveID = CF_ECC_CURVE("brainpool384r1");
} else if ( curve == "brainpoolP384t1" ) {
curveID = CF_ECC_CURVE("brainpool384t1");
} else if ( curve == "brainpoolP512r1" ) {
curveID = CF_ECC_CURVE("brainpool512r1");
} else if ( curve == "brainpoolP512t1" ) {
curveID = CF_ECC_CURVE("brainpool512t1");
} else if ( curve == "FRP256v1" ) {
curveID = CF_ECC_CURVE("frp256v1");
} else {
CF_ASSERT(0, "Curve not recognized");
}
}
parameters["curveType"] = *curveID;
parameters["priv"] = util::HexToDec(test["private"]);
{
const auto pub = util::PubkeyFromASN1(*curveID, test["public"].get<std::string>());
CF_CHECK_NE(pub, std::nullopt);
parameters["pub_x"] = pub->first;
parameters["pub_y"] = pub->second;
}
}
{
fuzzing::datasource::Datasource dsOut2(nullptr, 0);
cryptofuzz::operation::ECDH_Derive op(parameters);
op.Serialize(dsOut2);
write(CF_OPERATION("ECDH_Derive"), dsOut2);
}
end:
(void)1;
}
}
}
void Wycheproof::DSA(const nlohmann::json& groups) {
for (const auto &group : groups) {
if ( group["sha"] != "SHA-256" ) {
/* XXX */
return;
}
nlohmann::json parameters;
parameters["modifier"] = "";
nlohmann::json parameters_;
parameters_["p"] = util::HexToDec(group["key"]["p"]);
parameters_["q"] = util::HexToDec(group["key"]["q"]);
parameters_["g"] = util::HexToDec(group["key"]["g"]);
parameters["parameters"] = parameters_;
parameters["pub"] = util::HexToDec(group["key"]["y"]);
for (const auto &test : group["tests"]) {
{
/* Hex-decode cleartext */
std::vector<uint8_t> ct_sha256;
boost::algorithm::unhex(
test["msg"].get<std::string>(),
std::back_inserter(ct_sha256));
const auto ct = crypto::sha256(ct_sha256);
std::string ct_hex;
boost::algorithm::hex(ct, std::back_inserter(ct_hex));
parameters["cleartext"] = ct_hex;
}
const auto sig = util::SignatureFromDER(test["sig"].get<std::string>());
CF_CHECK_NE(sig, std::nullopt);
parameters["signature"][0] = sig->first;
parameters["signature"][1] = sig->second;
{
fuzzing::datasource::Datasource dsOut2(nullptr, 0);
cryptofuzz::operation::DSA_Verify op(parameters);
op.Serialize(dsOut2);
write(CF_OPERATION("DSA_Verify"), dsOut2);
}
}
end:
(void)1;
}
}
void Wycheproof::PrimalityTest(const nlohmann::json& groups) {
for (const auto &group : groups) {
for (const auto &test : group["tests"]) {
nlohmann::json parameters;
parameters["modifier"] = "";
parameters["calcOp"] = CF_CALCOP("IsPrime(A)");
parameters["bn1"] = util::HexToDec(test["value"]);
parameters["bn2"] = "";
parameters["bn3"] = "";
parameters["bn4"] = "";
fuzzing::datasource::Datasource dsOut2(nullptr, 0);
cryptofuzz::operation::BignumCalc op(parameters);
op.Serialize(dsOut2);
write(CF_OPERATION("BignumCalc"), dsOut2);
}
}
}
} /* namespace cryptofuzz */