/src/cryptofuzz/wycheproof.cpp

Source (jump to first uncovered line)
#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 */

Coverage Report

Created: 2024-06-28 06:19

Line	Count	Source (jump to first uncovered line)
1		#include <cryptofuzz/wycheproof.h>
2		#include <cryptofuzz/repository.h>
3		#include <cryptofuzz/operations.h>
4		#include <cryptofuzz/util.h>
5		#include <cryptofuzz/crypto.h>
6		#include <stdio.h>
7		#include <fstream>
8
9		namespace cryptofuzz {
10
11		Wycheproof::Wycheproof(const std::string filename, const std::string outDir) :
12	0	outDir(outDir) {
13	0	std::ifstream ifs(filename);
14	0	j = nlohmann::json::parse(ifs);
15	0	}
16
17	0	void Wycheproof::Run(void) {
18	0	const auto& groups = j["testGroups"];
19
20	0	if ( j["schema"].get<std::string>() == "ecdsa_verify_schema.json" ) {
21	0	ECDSA_Verify(groups);
22	0	} else if ( j["schema"].get<std::string>() == "eddsa_verify_schema.json" ) {
23	0	EDDSA_Verify(groups);
24	0	} else if ( j["schema"].get<std::string>() == "ecdh_test_schema.json" ) {
25	0	ECDH(groups);
26	0	} else if ( j["schema"].get<std::string>() == "dsa_verify_schema.json" ) {
27	0	DSA(groups);
28	0	} else if ( j["schema"].get<std::string>() == "primality_test_schema.json" ) {
29	0	PrimalityTest(groups);
30	0	}
31	0	}
32
33	0	void Wycheproof::write(const uint64_t operation, fuzzing::datasource::Datasource& dsOut2) {
34	0	fuzzing::datasource::Datasource dsOut(nullptr, 0);
35
36		/* Operation ID */
37	0	dsOut.Put<uint64_t>(operation);
38
39	0	dsOut.PutData(dsOut2.GetOut());
40
41		/* Modifier */
42	0	dsOut.PutData(std::vector<uint8_t>(0));
43
44		/* Module ID */
45	0	dsOut.Put<uint64_t>(CF_MODULE("OpenSSL"));
46
47		/* Terminator */
48	0	dsOut.Put<bool>(false);
49
50	0	{
51		//std::string filename = outDir + std::string("/") + std::to_string(counter++);
52	0	std::string filename = outDir + std::string("/") + util::SHA1(dsOut.GetOut());
53	0	FILE* fp = fopen(filename.c_str(), "wb");
54	0	fwrite(dsOut.GetOut().data(), dsOut.GetOut().size(), 1, fp);
55	0	fclose(fp);
56	0	}
57	0	}
58
59	0	void Wycheproof::ECDSA_Verify(const nlohmann::json& groups) {
60	0	for (const auto &group : groups) {
61	0	for (const auto &test : group["tests"]) {
62	0	nlohmann::json
63	0	p_ecdsa_verify,
64	0	p_ecc_point_add,
65	0	p_ecc_point_mul_1,
66	0	p_ecc_point_mul_2,
67	0	p_ecc_validatepubkey_1,
68	0	p_ecc_validatepubkey_2;
69	0	std::string digest;
70
71	0	{
72	0	const std::string curve = group["key"]["curve"];
73	0	auto curveID = repository::ECC_CurveFromString(curve);
74
75	0	if ( curveID == std::nullopt ) {
76	0	if ( curve == "brainpoolP224r1" ) {
77	0	curveID = CF_ECC_CURVE("brainpool224r1");
78	0	} else if ( curve == "brainpoolP224t1" ) {
79	0	curveID = CF_ECC_CURVE("brainpool224t1");
80	0	} else if ( curve == "brainpoolP256r1" ) {
81	0	curveID = CF_ECC_CURVE("brainpool256r1");
82	0	} else if ( curve == "brainpoolP256t1" ) {
83	0	curveID = CF_ECC_CURVE("brainpool256t1");
84	0	} else if ( curve == "brainpoolP320r1" ) {
85	0	curveID = CF_ECC_CURVE("brainpool320r1");
86	0	} else if ( curve == "brainpoolP320t1" ) {
87	0	curveID = CF_ECC_CURVE("brainpool320t1");
88	0	} else if ( curve == "brainpoolP384r1" ) {
89	0	curveID = CF_ECC_CURVE("brainpool384r1");
90	0	} else if ( curve == "brainpoolP384t1" ) {
91	0	curveID = CF_ECC_CURVE("brainpool384t1");
92	0	} else if ( curve == "brainpoolP512r1" ) {
93	0	curveID = CF_ECC_CURVE("brainpool512r1");
94	0	} else if ( curve == "brainpoolP512t1" ) {
95	0	curveID = CF_ECC_CURVE("brainpool512t1");
96	0	} else {
97	0	CF_ASSERT(0, "Curve not recognized");
98	0	}
99	0	}
100
101	0	p_ecdsa_verify["curveType"] = *curveID;
102	0	p_ecc_point_add["curveType"] = *curveID;
103	0	p_ecc_point_mul_1["curveType"] = *curveID;
104	0	p_ecc_point_mul_2["curveType"] = *curveID;
105	0	p_ecc_validatepubkey_1["curveType"] = *curveID;
106	0	p_ecc_validatepubkey_2["curveType"] = *curveID;
107	0	}
108
109	0	{
110	0	digest = group["sha"];
111
112	0	if ( digest == "SHA-224") {
113	0	p_ecdsa_verify["digestType"] = CF_DIGEST("SHA224");
114	0	} else if ( digest == "SHA-256") {
115	0	p_ecdsa_verify["digestType"] = CF_DIGEST("SHA256");
116	0	} else if ( digest == "SHA-384") {
117	0	p_ecdsa_verify["digestType"] = CF_DIGEST("SHA384");
118	0	} else if ( digest == "SHA-512") {
119	0	p_ecdsa_verify["digestType"] = CF_DIGEST("SHA512");
120	0	} else if ( digest == "SHA3-224") {
121	0	p_ecdsa_verify["digestType"] = CF_DIGEST("SHA3-224");
122	0	} else if ( digest == "SHA3-256") {
123	0	p_ecdsa_verify["digestType"] = CF_DIGEST("SHA3-256");
124	0	} else if ( digest == "SHA3-384") {
125	0	p_ecdsa_verify["digestType"] = CF_DIGEST("SHA3-384");
126	0	} else if ( digest == "SHA3-512") {
127	0	p_ecdsa_verify["digestType"] = CF_DIGEST("SHA3-512");
128	0	} else {
129	0	CF_ASSERT(0, "Digest not recognized");
130	0	}
131	0	}
132
133	0	p_ecdsa_verify["signature"]["pub"][0] = util::HexToDec(group["key"]["wx"]);
134	0	p_ecdsa_verify["signature"]["pub"][1] = util::HexToDec(group["key"]["wy"]);
135
136	0	p_ecc_point_add["a_x"] = util::HexToDec(group["key"]["wx"]);
137	0	p_ecc_point_add["a_y"] = util::HexToDec(group["key"]["wy"]);
138
139	0	p_ecc_point_mul_1["a_x"] = util::HexToDec(group["key"]["wx"]);
140	0	p_ecc_point_mul_1["a_y"] = util::HexToDec(group["key"]["wy"]);
141
142	0	p_ecc_validatepubkey_1["pub_x"] = util::HexToDec(group["key"]["wx"]);
143	0	p_ecc_validatepubkey_1["pub_y"] = util::HexToDec(group["key"]["wy"]);
144
145	0	{
146	0	const auto sig = util::SignatureFromDER(test["sig"].get<std::string>());
147	0	CF_CHECK_NE(sig, std::nullopt);
148
149	0	p_ecdsa_verify["signature"]["signature"][0] = sig->first;
150	0	p_ecdsa_verify["signature"]["signature"][1] = sig->second;
151
152	0	p_ecc_point_add["b_x"] = sig->first;
153	0	p_ecc_point_add["b_y"] = sig->second;
154
155	0	p_ecc_point_mul_2["a_x"] = sig->first;
156	0	p_ecc_point_mul_2["a_y"] = sig->second;
157
158	0	p_ecc_validatepubkey_2["pub_x"] = sig->first;
159	0	p_ecc_validatepubkey_2["pub_y"] = sig->second;
160	0	}
161
162	0	p_ecdsa_verify["cleartext"] = test["msg"].get<std::string>();
163
164		/* Construct and write ECDSA_Verify */
165	0	{
166	0	p_ecdsa_verify["modifier"] = "";
167
168	0	fuzzing::datasource::Datasource dsOut2(nullptr, 0);
169	0	cryptofuzz::operation::ECDSA_Verify op(p_ecdsa_verify);
170	0	op.Serialize(dsOut2);
171
172	0	write(CF_OPERATION("ECDSA_Verify"), dsOut2);
173	0	}
174
175		/* If digest type is SHA256, compute the SHA256 hash of the message,
176		* and use this to write an input that uses the NULL digest */
177	0	if ( digest == "SHA-256" ) {
178		/* Hex-decode cleartext */
179	0	std::vector<uint8_t> ct_sha256;
180	0	boost::algorithm::unhex(
181	0	test["msg"].get<std::string>(),
182	0	std::back_inserter(ct_sha256));
183	0	const auto ct = crypto::sha256(ct_sha256);
184
185	0	std::string ct_hex;
186	0	boost::algorithm::hex(ct, std::back_inserter(ct_hex));
187
188	0	p_ecdsa_verify["cleartext"] = ct_hex;
189	0	p_ecdsa_verify["digestType"] = CF_DIGEST("NULL");
190
191	0	fuzzing::datasource::Datasource dsOut2(nullptr, 0);
192	0	cryptofuzz::operation::ECDSA_Verify op(p_ecdsa_verify);
193	0	op.Serialize(dsOut2);
194
195	0	write(CF_OPERATION("ECDSA_Verify"), dsOut2);
196	0	}
197
198	0	{
199	0	p_ecc_point_add["modifier"] = "";
200
201	0	fuzzing::datasource::Datasource dsOut2(nullptr, 0);
202	0	cryptofuzz::operation::ECC_Point_Add op(p_ecc_point_add);
203	0	op.Serialize(dsOut2);
204
205	0	write(CF_OPERATION("ECC_Point_Add"), dsOut2);
206	0	}
207
208	0	{
209	0	p_ecc_point_mul_1["modifier"] = "";
210	0	p_ecc_point_mul_1["b"] = "1";
211	0	fuzzing::datasource::Datasource dsOut2(nullptr, 0);
212	0	cryptofuzz::operation::ECC_Point_Mul op(p_ecc_point_mul_1);
213	0	op.Serialize(dsOut2);
214
215	0	write(CF_OPERATION("ECC_Point_Mul"), dsOut2);
216	0	}
217
218	0	{
219	0	p_ecc_point_mul_2["modifier"] = "";
220	0	p_ecc_point_mul_2["b"] = "1";
221	0	fuzzing::datasource::Datasource dsOut2(nullptr, 0);
222	0	cryptofuzz::operation::ECC_Point_Mul op(p_ecc_point_mul_2);
223	0	op.Serialize(dsOut2);
224
225	0	write(CF_OPERATION("ECC_Point_Mul"), dsOut2);
226	0	}
227
228	0	{
229	0	p_ecc_validatepubkey_1["modifier"] = "";
230	0	fuzzing::datasource::Datasource dsOut2(nullptr, 0);
231	0	cryptofuzz::operation::ECC_ValidatePubkey op(p_ecc_validatepubkey_1);
232	0	op.Serialize(dsOut2);
233
234	0	write(CF_OPERATION("ECC_ValidatePubkey"), dsOut2);
235	0	}
236
237	0	{
238	0	p_ecc_validatepubkey_2["modifier"] = "";
239	0	fuzzing::datasource::Datasource dsOut2(nullptr, 0);
240	0	cryptofuzz::operation::ECC_ValidatePubkey op(p_ecc_validatepubkey_2);
241	0	op.Serialize(dsOut2);
242
243	0	write(CF_OPERATION("ECC_ValidatePubkey"), dsOut2);
244	0	}
245
246	0	end:
247	0	(void)1;
248	0	}
249	0	}
250	0	}
251
252	0	void Wycheproof::EDDSA_Verify(const nlohmann::json& groups) {
253	0	for (const auto &group : groups) {
254	0	for (const auto &test : group["tests"]) {
255	0	nlohmann::json parameters;
256
257	0	{
258	0	const std::string curve = group["key"]["curve"];
259
260	0	if ( curve == "edwards448" ) {
261	0	parameters["curveType"] = CF_ECC_CURVE("ed448");
262	0	} else {
263	0	CF_ASSERT(0, "Curve not recognized");
264	0	}
265	0	}
266
267	0	parameters["digestType"] = CF_DIGEST("NULL");
268
269	0	parameters["signature"]["pub"][0] = util::HexToDec(group["key"]["pk"]);
270	0	parameters["signature"]["pub"][1] = "0";
271
272	0	{
273	0	const auto sig = test["sig"].get<std::string>();
274	0	CF_CHECK_EQ(sig.size() % 4, 0);
275
276	0	const auto R = std::string(sig.data(), sig.data() + (sig.size() / 2));
277	0	const auto S = std::string(sig.data() + (sig.size() / 2), sig.data() + sig.size());
278
279	0	parameters["signature"]["signature"][0] = util::HexToDec(R);
280	0	parameters["signature"]["signature"][1] = util::HexToDec(S);
281	0	}
282
283	0	parameters["cleartext"] = test["msg"].get<std::string>();
284
285	0	parameters["modifier"] = std::string(1000, '0');
286	0	{
287	0	fuzzing::datasource::Datasource dsOut2(nullptr, 0);
288	0	cryptofuzz::operation::ECDSA_Verify op(parameters);
289	0	op.Serialize(dsOut2);
290
291	0	write(CF_OPERATION("ECDSA_Verify"), dsOut2);
292	0	}
293
294	0	end:
295	0	(void)1;
296	0	}
297	0	}
298	0	}
299
300	0	void Wycheproof::ECDH(const nlohmann::json& groups) {
301	0	for (const auto &group : groups) {
302	0	for (const auto &test : group["tests"]) {
303	0	nlohmann::json parameters;
304
305	0	parameters["modifier"] = "";
306
307	0	{
308	0	const std::string curve = group["curve"];
309	0	auto curveID = repository::ECC_CurveFromString(curve);
310
311	0	if ( curveID == std::nullopt ) {
312	0	if ( curve == "brainpoolP224r1" ) {
313	0	curveID = CF_ECC_CURVE("brainpool224r1");
314	0	} else if ( curve == "brainpoolP224t1" ) {
315	0	curveID = CF_ECC_CURVE("brainpool224t1");
316	0	} else if ( curve == "brainpoolP256r1" ) {
317	0	curveID = CF_ECC_CURVE("brainpool256r1");
318	0	} else if ( curve == "brainpoolP256t1" ) {
319	0	curveID = CF_ECC_CURVE("brainpool256t1");
320	0	} else if ( curve == "brainpoolP320r1" ) {
321	0	curveID = CF_ECC_CURVE("brainpool320r1");
322	0	} else if ( curve == "brainpoolP320t1" ) {
323	0	curveID = CF_ECC_CURVE("brainpool320t1");
324	0	} else if ( curve == "brainpoolP384r1" ) {
325	0	curveID = CF_ECC_CURVE("brainpool384r1");
326	0	} else if ( curve == "brainpoolP384t1" ) {
327	0	curveID = CF_ECC_CURVE("brainpool384t1");
328	0	} else if ( curve == "brainpoolP512r1" ) {
329	0	curveID = CF_ECC_CURVE("brainpool512r1");
330	0	} else if ( curve == "brainpoolP512t1" ) {
331	0	curveID = CF_ECC_CURVE("brainpool512t1");
332	0	} else if ( curve == "FRP256v1" ) {
333	0	curveID = CF_ECC_CURVE("frp256v1");
334	0	} else {
335	0	CF_ASSERT(0, "Curve not recognized");
336	0	}
337	0	}
338
339	0	parameters["curveType"] = *curveID;
340
341	0	parameters["priv"] = util::HexToDec(test["private"]);
342
343	0	{
344	0	const auto pub = util::PubkeyFromASN1(*curveID, test["public"].get<std::string>());
345	0	CF_CHECK_NE(pub, std::nullopt);
346
347	0	parameters["pub_x"] = pub->first;
348	0	parameters["pub_y"] = pub->second;
349	0	}
350	0	}
351
352	0	{
353	0	fuzzing::datasource::Datasource dsOut2(nullptr, 0);
354	0	cryptofuzz::operation::ECDH_Derive op(parameters);
355	0	op.Serialize(dsOut2);
356
357	0	write(CF_OPERATION("ECDH_Derive"), dsOut2);
358	0	}
359	0	end:
360	0	(void)1;
361	0	}
362	0	}
363	0	}
364
365	0	void Wycheproof::DSA(const nlohmann::json& groups) {
366	0	for (const auto &group : groups) {
367	0	if ( group["sha"] != "SHA-256" ) {
368		/* XXX */
369	0	return;
370	0	}
371
372	0	nlohmann::json parameters;
373
374	0	parameters["modifier"] = "";
375
376	0	nlohmann::json parameters_;
377	0	parameters_["p"] = util::HexToDec(group["key"]["p"]);
378	0	parameters_["q"] = util::HexToDec(group["key"]["q"]);
379	0	parameters_["g"] = util::HexToDec(group["key"]["g"]);
380	0	parameters["parameters"] = parameters_;
381
382	0	parameters["pub"] = util::HexToDec(group["key"]["y"]);
383
384	0	for (const auto &test : group["tests"]) {
385	0	{
386		/* Hex-decode cleartext */
387	0	std::vector<uint8_t> ct_sha256;
388	0	boost::algorithm::unhex(
389	0	test["msg"].get<std::string>(),
390	0	std::back_inserter(ct_sha256));
391	0	const auto ct = crypto::sha256(ct_sha256);
392
393	0	std::string ct_hex;
394	0	boost::algorithm::hex(ct, std::back_inserter(ct_hex));
395	0	parameters["cleartext"] = ct_hex;
396	0	}
397
398	0	const auto sig = util::SignatureFromDER(test["sig"].get<std::string>());
399	0	CF_CHECK_NE(sig, std::nullopt);
400	0	parameters["signature"][0] = sig->first;
401	0	parameters["signature"][1] = sig->second;
402
403	0	{
404	0	fuzzing::datasource::Datasource dsOut2(nullptr, 0);
405	0	cryptofuzz::operation::DSA_Verify op(parameters);
406	0	op.Serialize(dsOut2);
407
408	0	write(CF_OPERATION("DSA_Verify"), dsOut2);
409	0	}
410	0	}
411	0	end:
412	0	(void)1;
413	0	}
414	0	}
415
416	0	void Wycheproof::PrimalityTest(const nlohmann::json& groups) {
417	0	for (const auto &group : groups) {
418	0	for (const auto &test : group["tests"]) {
419	0	nlohmann::json parameters;
420
421	0	parameters["modifier"] = "";
422	0	parameters["calcOp"] = CF_CALCOP("IsPrime(A)");
423	0	parameters["bn1"] = util::HexToDec(test["value"]);
424	0	parameters["bn2"] = "";
425	0	parameters["bn3"] = "";
426	0	parameters["bn4"] = "";
427
428	0	fuzzing::datasource::Datasource dsOut2(nullptr, 0);
429	0	cryptofuzz::operation::BignumCalc op(parameters);
430	0	op.Serialize(dsOut2);
431	0	write(CF_OPERATION("BignumCalc"), dsOut2);
432	0	}
433	0	}
434	0	}
435
436		} /* namespace cryptofuzz */