29069405686

Committed 09 Jul 2026 02:56PM UTC coverage: 89.393% (-0.003%) from 89.396%

Build # 29069405686

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Commit Message

Merge pull request #5716 from falko-strenzke/slh-dsa-cert-test

Add RFC 9909 test certificate for SLH-DSA

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/src/tests/test_sphincsplus.cpp

/*
* (C) 2023 Jack Lloyd
*     2023 Fabian Albert, René Meusel, Amos Treiber - Rohde & Schwarz Cybersecurity
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include "tests.h"

#if defined(BOTAN_HAS_SPHINCS_PLUS_COMMON) && defined(BOTAN_HAS_AES)

   #include <botan/assert.h>
   #include <botan/hash.h>
   #include <botan/pubkey.h>
   #include <botan/secmem.h>
   #include <botan/sp_parameters.h>
   #include <botan/sphincsplus.h>

   #if defined(BOTAN_HAS_X509_CERTIFICATES) && defined(BOTAN_TARGET_OS_HAS_FILESYSTEM)
      #include <botan/x509cert.h>
   #endif

   #include "test_pubkey.h"
   #include "test_rng.h"

namespace Botan_Tests {

namespace {

/**
 * Test all implemented SLH-DSA instances using the data of the KAT files.
 */
class SPHINCS_Plus_Test_Base : public Text_Based_Test {
   public:
      explicit SPHINCS_Plus_Test_Base(std::string_view kat_path) :
            Text_Based_Test(std::string(kat_path), "SphincsParameterSet,seed,pk,sk,msg,HashSigRand", "HashSigDet") {}

      bool skip_this_test(const std::string& /*header*/, const VarMap& vars) override {
         auto params = Botan::Sphincs_Parameters::create(vars.get_req_str("SphincsParameterSet"));

         if(!params.is_available()) {
            return true;
         }

   #if not defined(BOTAN_HAS_SHA3)
         // The SLH-DSA shake-based signatures are hashed with SHA-3 in the test file.
         if(params.hash_type() == Botan::Sphincs_Hash_Type::Shake256) {
            return true;
         }
   #endif

         // Execute the small (slow) instances only with --run-long-tests
         switch(params.parameter_set()) {
            case Botan::Sphincs_Parameter_Set::Sphincs128Fast:
            case Botan::Sphincs_Parameter_Set::Sphincs192Fast:
            case Botan::Sphincs_Parameter_Set::Sphincs256Fast:
            case Botan::Sphincs_Parameter_Set::SLHDSA128Fast:
            case Botan::Sphincs_Parameter_Set::SLHDSA192Fast:
            case Botan::Sphincs_Parameter_Set::SLHDSA256Fast:
               return false;
            case Botan::Sphincs_Parameter_Set::Sphincs128Small:
            case Botan::Sphincs_Parameter_Set::Sphincs192Small:
            case Botan::Sphincs_Parameter_Set::Sphincs256Small:
            case Botan::Sphincs_Parameter_Set::SLHDSA128Small:
            case Botan::Sphincs_Parameter_Set::SLHDSA192Small:
            case Botan::Sphincs_Parameter_Set::SLHDSA256Small:
               return !Test::run_long_tests();
         }
         BOTAN_ASSERT_UNREACHABLE();
      }

      Test::Result run_one_test(const std::string& /*header*/, const VarMap& vars) final {
         auto params = Botan::Sphincs_Parameters::create(vars.get_req_str("SphincsParameterSet"));
         Test::Result result(params.is_slh_dsa() ? "SLH-DSA" : "SPHINCS+");

         const std::vector<uint8_t> seed_ref = vars.get_req_bin("seed");
         const std::vector<uint8_t> msg_ref = vars.get_req_bin("msg");
         const std::vector<uint8_t> pk_ref = vars.get_req_bin("pk");
         const std::vector<uint8_t> sk_ref = vars.get_req_bin("sk");
         const std::vector<uint8_t> sig_rand_hash = vars.get_req_bin("HashSigRand");
         const auto sig_det_hash = [&]() -> std::optional<std::vector<uint8_t>> {
            if(vars.has_key("HashSigDet")) {
               return vars.get_opt_bin("HashSigDet");
            } else {
               return std::nullopt;
            }
         }();

         // Depending on the SLH-DSA configuration the resulting signature is
         // hashed either with SHA-3 or SHA-256 to reduce the inner dependencies
         // on other hash function modules.
         auto hash_algo_spec = [&]() -> std::string {
            if(params.hash_type() == Botan::Sphincs_Hash_Type::Shake256) {
               return "SHA-3(256)";
            } else {
               return "SHA-256";
            }
         }();
         auto hash = Botan::HashFunction::create_or_throw(hash_algo_spec);

         /*
          * To get sk_seed || sk_prf || pk_seed and opt_rand from the given seed
          * (from KAT), we create a CTR_DRBG_AES256 rng and "simulate" the
          * invocation-pattern in the reference. We feed the created randomness
          * to the fixed output rng, to allow for our (slightly different)
          * invocation-pattern. Be careful, some KATs are generated by 3 separate
          * invocations of dbrg.random_vals which is different.
          */
         auto kat_rng = CTR_DRBG_AES256(seed_ref);
         Fixed_Output_RNG fixed_rng;
         fixed_rng.add_entropy(kat_rng.random_vec<std::vector<uint8_t>>(3 * params.n()));

         // push the entropy used for signing twice, as we want to perform two
         // signing operations
         const auto entropy_for_signing = kat_rng.random_vec<std::vector<uint8_t>>(1 * params.n());
         // Depending on the configuration, up to 2 signatures with 'Randomized' are created
         fixed_rng.add_entropy(entropy_for_signing);
         fixed_rng.add_entropy(entropy_for_signing);

         // Generate Keypair
         const Botan::SphincsPlus_PrivateKey priv_key(fixed_rng, params);

         result.test_bin_eq("public key bits", priv_key.public_key_bits(), pk_ref);
         result.test_bin_eq("private key bits", priv_key.private_key_bits(), sk_ref);

         // Signature roundtrip (Randomized mode)
         auto signer_rand = Botan::PK_Signer(priv_key, fixed_rng, "Randomized");
         auto signature_rand = signer_rand.sign_message(msg_ref.data(), msg_ref.size(), fixed_rng);

         result.test_bin_eq("signature creation randomized", hash->process(signature_rand), sig_rand_hash);

         Botan::PK_Verifier verifier(*priv_key.public_key(), params.algorithm_identifier());
         const bool verify_success =
            verifier.verify_message(msg_ref.data(), msg_ref.size(), signature_rand.data(), signature_rand.size());
         result.test_is_true("verification of valid randomized signature", verify_success);

         // Signature roundtrip (Deterministic mode) - not available for all parameter sets
         // For testing time reasons we only test this for some tests if not --run-long-tests
         if(sig_det_hash.has_value() &&
            (run_long_tests() || params.parameter_set() == Botan::Sphincs_Parameter_Set::SLHDSA128Fast)) {
            auto signer_det = Botan::PK_Signer(priv_key, fixed_rng, "Deterministic");
            auto signature_det = signer_det.sign_message(msg_ref.data(), msg_ref.size(), fixed_rng);

            result.test_bin_eq("signature creation deterministic", hash->process(signature_det), *sig_det_hash);

            auto verify_success_det =
               verifier.verify_message(msg_ref.data(), msg_ref.size(), signature_det.data(), signature_det.size());
            result.test_is_true("verification of valid deterministic signature", verify_success_det);
         }

         // Verification with generated Keypair

         // Run additional parsing and re-verification tests on one parameter
         // set only to save test runtime. Given the current test vector we will
         // run this exactly once per hash function.
         if(params.parameter_set() == Botan::Sphincs_Parameter_Set::Sphincs128Fast ||
            params.parameter_set() == Botan::Sphincs_Parameter_Set::SLHDSA128Fast) {
            // Deserialization of Keypair from test vector
            const Botan::SphincsPlus_PrivateKey deserialized_priv_key(sk_ref, params);
            const Botan::SphincsPlus_PublicKey deserialized_pub_key(pk_ref, params);

            // Signature with deserialized Keypair
            auto deserialized_signer = Botan::PK_Signer(deserialized_priv_key, fixed_rng, "Randomized");
            auto deserialized_signature = deserialized_signer.sign_message(msg_ref.data(), msg_ref.size(), fixed_rng);

            result.test_bin_eq(
               "signature creation after deserialization", hash->process(deserialized_signature), sig_rand_hash);

            // Verification with deserialized Keypair
            Botan::PK_Verifier deserialized_verifier(deserialized_pub_key, params.algorithm_identifier());
            const bool verify_success_deserialized = deserialized_verifier.verify_message(
               msg_ref.data(), msg_ref.size(), signature_rand.data(), signature_rand.size());
            result.test_is_true("verification of valid signature after deserialization", verify_success_deserialized);

            // Verification of invalid signature
            auto broken_sig = Test::mutate_vec(deserialized_signature, this->rng());
            const bool verify_fail = deserialized_verifier.verify_message(
               msg_ref.data(), msg_ref.size(), broken_sig.data(), broken_sig.size());
            result.test_is_true("verification of invalid signature", !verify_fail);

            const bool verify_success_after_fail = deserialized_verifier.verify_message(
               msg_ref.data(), msg_ref.size(), signature_rand.data(), signature_rand.size());
            result.test_is_true("verification of valid signature after broken signature", verify_success_after_fail);
         }

         // Misc
         result.test_is_true("parameter serialization works",
                             params.to_string() == vars.get_req_str("SphincsParameterSet"));

         return result;
      }
};

class SPHINCS_Plus_Test final : public SPHINCS_Plus_Test_Base {
   public:
      SPHINCS_Plus_Test() : SPHINCS_Plus_Test_Base("pubkey/sphincsplus.vec") {}
};

class SLH_DSA_Test final : public SPHINCS_Plus_Test_Base {
   public:
      SLH_DSA_Test() : SPHINCS_Plus_Test_Base("pubkey/slh_dsa.vec") {}
};

class SPHINCS_Plus_Keygen_Tests final : public PK_Key_Generation_Test {
   public:
      std::vector<std::string> keygen_params() const override {
         const std::vector<std::string> short_test_params = {
            "SphincsPlus-shake-128s-r3.1",
            "SLH-DSA-SHAKE-128s",
            "SphincsPlus-sha2-128f-r3.1",
            "SLH-DSA-SHA2-128f",
         };
         const std::vector<std::string> all_params = {
            "SphincsPlus-shake-128s-r3.1", "SphincsPlus-shake-128f-r3.1", "SphincsPlus-shake-192s-r3.1",
            "SphincsPlus-shake-192f-r3.1", "SphincsPlus-shake-256s-r3.1", "SphincsPlus-shake-256f-r3.1",
            "SLH-DSA-SHAKE-128s",          "SLH-DSA-SHAKE-128f",          "SLH-DSA-SHAKE-192s",
            "SLH-DSA-SHAKE-192f",          "SLH-DSA-SHAKE-256s",          "SLH-DSA-SHAKE-256f",
            "SphincsPlus-sha2-128s-r3.1",  "SphincsPlus-sha2-128f-r3.1",  "SphincsPlus-sha2-192s-r3.1",
            "SphincsPlus-sha2-192f-r3.1",  "SphincsPlus-sha2-256s-r3.1",  "SphincsPlus-sha2-256f-r3.1",
            "SLH-DSA-SHA2-128s",           "SLH-DSA-SHA2-128f",           "SLH-DSA-SHA2-192s",
            "SLH-DSA-SHA2-192f",           "SLH-DSA-SHA2-256s",           "SLH-DSA-SHA2-256f",
         };
         const auto& tested_params = Test::run_long_tests() ? all_params : short_test_params;
         std::vector<std::string> available_params;
         for(const auto& param : tested_params) {
            if(Botan::Sphincs_Parameters::create(param).is_available()) {
               available_params.push_back(param);
            }
         }
         return available_params;
      }

      std::string algo_name() const override { return "SLH-DSA"; }

      std::unique_ptr<Botan::Public_Key> public_key_from_raw(std::string_view keygen_params,
                                                             std::string_view /* provider */,
                                                             std::span<const uint8_t> raw_pk) const override {
         return std::make_unique<Botan::SphincsPlus_PublicKey>(raw_pk,
                                                               Botan::Sphincs_Parameters::create(keygen_params));
      }
};

class Generic_SlhDsa_Signature_Tests final : public PK_Signature_Generation_Test {
   public:
      Generic_SlhDsa_Signature_Tests() :
            PK_Signature_Generation_Test(
               "SLH-DSA", "pubkey/slh_dsa_generic.vec", "Instance,Msg,PrivateKey,PublicKey,Valid,Signature", "Nonce") {}

      bool clear_between_callbacks() const override { return false; }

      std::unique_ptr<Botan::Private_Key> load_private_key(const VarMap& vars) override {
         const std::string instance = vars.get_req_str("Instance");
         const std::vector<uint8_t> privkey = vars.get_req_bin("PrivateKey");
         const std::vector<uint8_t> pubkey = vars.get_req_bin("PublicKey");
         auto sk =
            std::make_unique<Botan::SphincsPlus_PrivateKey>(privkey, Botan::Sphincs_Parameters::create(instance));

         if(sk->public_key_bits() != pubkey) {
            throw Test_Error("Invalid SLH-DSA key in test data");
         }

         return sk;
      }

      std::string default_padding(const VarMap& vars) const override {
         return vars.has_key("Nonce") ? "Randomized" : "Deterministic";
      }

      bool skip_this_test(const std::string& /*header*/, const VarMap& vars) override {
         return !Botan::Sphincs_Parameters::create(vars.get_req_str("Instance")).is_available();
      }
};

class Generic_SlhDsa_Verification_Tests final : public PK_Signature_Verification_Test {
   public:
      Generic_SlhDsa_Verification_Tests() :
            PK_Signature_Verification_Test(
               "SLH-DSA", "pubkey/slh_dsa_generic.vec", "Instance,Msg,PrivateKey,PublicKey,Valid,Signature", "Nonce") {}

      bool clear_between_callbacks() const override { return false; }

      std::unique_ptr<Botan::Public_Key> load_public_key(const VarMap& vars) override {
         const std::string instance = vars.get_req_str("Instance");
         const std::vector<uint8_t> pubkey = vars.get_req_bin("PublicKey");

         return std::make_unique<Botan::SphincsPlus_PublicKey>(pubkey, Botan::Sphincs_Parameters::create(instance));
      }

      std::string default_padding(const VarMap& /*vars*/) const override { return ""; }

      bool skip_this_test(const std::string& /*header*/, const VarMap& vars) override {
         return !Botan::Sphincs_Parameters::create(vars.get_req_str("Instance")).is_available();
      }
};

   #if defined(BOTAN_HAS_X509_CERTIFICATES) && defined(BOTAN_TARGET_OS_HAS_FILESYSTEM)
class SLH_DSA_X509_Tests : public Test {
   public:
      SLH_DSA_X509_Tests() = default;

      std::vector<Test::Result> run() override {
         Test::Result result("SLH-DSA-X.509");
         const Botan::X509_Certificate cert(Test::data_file("x509/slh-dsa/slh-dsa-rfc-9909-cert.pem"));
         auto ver_res = cert.verify_signature(*cert.subject_public_key());
         result.test_is_true("signature of certificate verifies", ver_res.first == Botan::Certificate_Status_Code::OK);
         return std::vector<Test::Result>({result});
      }
};
   #endif

BOTAN_REGISTER_TEST("pubkey", "sphincsplus", SPHINCS_Plus_Test);
BOTAN_REGISTER_TEST("pubkey", "slh_dsa", SLH_DSA_Test);
BOTAN_REGISTER_TEST("pubkey", "slh_dsa_keygen", SPHINCS_Plus_Keygen_Tests);
BOTAN_REGISTER_TEST("pubkey", "slh_dsa_sign_generic", Generic_SlhDsa_Signature_Tests);
BOTAN_REGISTER_TEST("pubkey", "slh_dsa_verify_generic", Generic_SlhDsa_Verification_Tests);
   #if defined(BOTAN_HAS_X509_CERTIFICATES) && defined(BOTAN_TARGET_OS_HAS_FILESYSTEM)
BOTAN_REGISTER_TEST("pubkey", "slh_dsa_x509", SLH_DSA_X509_Tests);
   #endif

}  // namespace

}  // namespace Botan_Tests

#endif  // BOTAN_HAS_SPHINCS_PLUS

1	/*
2	* (C) 2023 Jack Lloyd
3	* 2023 Fabian Albert, René Meusel, Amos Treiber - Rohde & Schwarz Cybersecurity
4	*
5	* Botan is released under the Simplified BSD License (see license.txt)
6	*/
7
8	#include "tests.h"
9
10	#if defined(BOTAN_HAS_SPHINCS_PLUS_COMMON) && defined(BOTAN_HAS_AES)
11
12	#include <botan/assert.h>
13	#include <botan/hash.h>
14	#include <botan/pubkey.h>
15	#include <botan/secmem.h>
16	#include <botan/sp_parameters.h>
17	#include <botan/sphincsplus.h>
18
19	#if defined(BOTAN_HAS_X509_CERTIFICATES) && defined(BOTAN_TARGET_OS_HAS_FILESYSTEM)
20	#include <botan/x509cert.h>
21	#endif
22
23	#include "test_pubkey.h"
24	#include "test_rng.h"
25
26	namespace Botan_Tests {
27
28	namespace {
29
30	/**
31	* Test all implemented SLH-DSA instances using the data of the KAT files.
32	*/
33	class SPHINCS_Plus_Test_Base : public Text_Based_Test {	×
34	public:
35	explicit SPHINCS_Plus_Test_Base(std::string_view kat_path) :	2✔
36	Text_Based_Test(std::string(kat_path), "SphincsParameterSet,seed,pk,sk,msg,HashSigRand", "HashSigDet") {}	6✔
37
38	bool skip_this_test(const std::string& /header/, const VarMap& vars) override {	24✔
39	auto params = Botan::Sphincs_Parameters::create(vars.get_req_str("SphincsParameterSet"));	24✔
40
41	if(!params.is_available()) {	24✔
42	return true;
43	}
44
45	#if not defined(BOTAN_HAS_SHA3)
46	// The SLH-DSA shake-based signatures are hashed with SHA-3 in the test file.
47	if(params.hash_type() == Botan::Sphincs_Hash_Type::Shake256) {
48	return true;
49	}
50	#endif
51
52	// Execute the small (slow) instances only with --run-long-tests
53	switch(params.parameter_set()) {	24✔
54	case Botan::Sphincs_Parameter_Set::Sphincs128Fast:
55	case Botan::Sphincs_Parameter_Set::Sphincs192Fast:
56	case Botan::Sphincs_Parameter_Set::Sphincs256Fast:
57	case Botan::Sphincs_Parameter_Set::SLHDSA128Fast:
58	case Botan::Sphincs_Parameter_Set::SLHDSA192Fast:
59	case Botan::Sphincs_Parameter_Set::SLHDSA256Fast:
60	return false;
61	case Botan::Sphincs_Parameter_Set::Sphincs128Small:	12✔
62	case Botan::Sphincs_Parameter_Set::Sphincs192Small:	12✔
63	case Botan::Sphincs_Parameter_Set::Sphincs256Small:	12✔
64	case Botan::Sphincs_Parameter_Set::SLHDSA128Small:	12✔
65	case Botan::Sphincs_Parameter_Set::SLHDSA192Small:	12✔
66	case Botan::Sphincs_Parameter_Set::SLHDSA256Small:	12✔
67	return !Test::run_long_tests();	12✔
68	}
69	BOTAN_ASSERT_UNREACHABLE();	×
70	}
71
72	Test::Result run_one_test(const std::string& /header/, const VarMap& vars) final {	24✔
73	auto params = Botan::Sphincs_Parameters::create(vars.get_req_str("SphincsParameterSet"));	24✔
74	Test::Result result(params.is_slh_dsa() ? "SLH-DSA" : "SPHINCS+");	36✔
75
76	const std::vector<uint8_t> seed_ref = vars.get_req_bin("seed");	24✔
77	const std::vector<uint8_t> msg_ref = vars.get_req_bin("msg");	24✔
78	const std::vector<uint8_t> pk_ref = vars.get_req_bin("pk");	24✔
79	const std::vector<uint8_t> sk_ref = vars.get_req_bin("sk");	24✔
80	const std::vector<uint8_t> sig_rand_hash = vars.get_req_bin("HashSigRand");	24✔
81	const auto sig_det_hash = [&]() -> std::optional<std::vector<uint8_t>> {	×
82	if(vars.has_key("HashSigDet")) {	24✔
83	return vars.get_opt_bin("HashSigDet");	12✔
84	} else {
85	return std::nullopt;	12✔
86	}
87	}();	24✔
88
89	// Depending on the SLH-DSA configuration the resulting signature is
90	// hashed either with SHA-3 or SHA-256 to reduce the inner dependencies
91	// on other hash function modules.
92	auto hash_algo_spec = [&]() -> std::string {	×
93	if(params.hash_type() == Botan::Sphincs_Hash_Type::Shake256) {	24✔
94	return "SHA-3(256)";	12✔
95	} else {
96	return "SHA-256";	12✔
97	}
98	}();	24✔
99	auto hash = Botan::HashFunction::create_or_throw(hash_algo_spec);	24✔
100
101	/*
102	* To get sk_seed \|\| sk_prf \|\| pk_seed and opt_rand from the given seed
103	* (from KAT), we create a CTR_DRBG_AES256 rng and "simulate" the
104	* invocation-pattern in the reference. We feed the created randomness
105	* to the fixed output rng, to allow for our (slightly different)
106	* invocation-pattern. Be careful, some KATs are generated by 3 separate
107	* invocations of dbrg.random_vals which is different.
108	*/
109	auto kat_rng = CTR_DRBG_AES256(seed_ref);	24✔
110	Fixed_Output_RNG fixed_rng;	24✔
111	fixed_rng.add_entropy(kat_rng.random_vec<std::vector<uint8_t>>(3 * params.n()));	24✔
112
113	// push the entropy used for signing twice, as we want to perform two
114	// signing operations
115	const auto entropy_for_signing = kat_rng.random_vec<std::vector<uint8_t>>(1 * params.n());	24✔
116	// Depending on the configuration, up to 2 signatures with 'Randomized' are created
117	fixed_rng.add_entropy(entropy_for_signing);	24✔
118	fixed_rng.add_entropy(entropy_for_signing);	24✔
119
120	// Generate Keypair
121	const Botan::SphincsPlus_PrivateKey priv_key(fixed_rng, params);	24✔
122
123	result.test_bin_eq("public key bits", priv_key.public_key_bits(), pk_ref);	24✔
124	result.test_bin_eq("private key bits", priv_key.private_key_bits(), sk_ref);	24✔
125
126	// Signature roundtrip (Randomized mode)
127	auto signer_rand = Botan::PK_Signer(priv_key, fixed_rng, "Randomized");	24✔
128	auto signature_rand = signer_rand.sign_message(msg_ref.data(), msg_ref.size(), fixed_rng);	24✔
129
130	result.test_bin_eq("signature creation randomized", hash->process(signature_rand), sig_rand_hash);	24✔
131
132	Botan::PK_Verifier verifier(*priv_key.public_key(), params.algorithm_identifier());	48✔
133	const bool verify_success =	24✔
134	verifier.verify_message(msg_ref.data(), msg_ref.size(), signature_rand.data(), signature_rand.size());	24✔
135	result.test_is_true("verification of valid randomized signature", verify_success);	24✔
136
137	// Signature roundtrip (Deterministic mode) - not available for all parameter sets
138	// For testing time reasons we only test this for some tests if not --run-long-tests
139	if(sig_det_hash.has_value() &&	24✔
140	(run_long_tests() \|\| params.parameter_set() == Botan::Sphincs_Parameter_Set::SLHDSA128Fast)) {	×
141	auto signer_det = Botan::PK_Signer(priv_key, fixed_rng, "Deterministic");	12✔
142	auto signature_det = signer_det.sign_message(msg_ref.data(), msg_ref.size(), fixed_rng);	12✔
143
144	result.test_bin_eq("signature creation deterministic", hash->process(signature_det), *sig_det_hash);	12✔
145
146	auto verify_success_det =	12✔
147	verifier.verify_message(msg_ref.data(), msg_ref.size(), signature_det.data(), signature_det.size());	12✔
148	result.test_is_true("verification of valid deterministic signature", verify_success_det);	12✔
149	}	12✔
150
151	// Verification with generated Keypair
152
153	// Run additional parsing and re-verification tests on one parameter
154	// set only to save test runtime. Given the current test vector we will
155	// run this exactly once per hash function.
156	if(params.parameter_set() == Botan::Sphincs_Parameter_Set::Sphincs128Fast \|\|	24✔
157	params.parameter_set() == Botan::Sphincs_Parameter_Set::SLHDSA128Fast) {	22✔
158	// Deserialization of Keypair from test vector
159	const Botan::SphincsPlus_PrivateKey deserialized_priv_key(sk_ref, params);	4✔
160	const Botan::SphincsPlus_PublicKey deserialized_pub_key(pk_ref, params);	4✔
161
162	// Signature with deserialized Keypair
163	auto deserialized_signer = Botan::PK_Signer(deserialized_priv_key, fixed_rng, "Randomized");	4✔
164	auto deserialized_signature = deserialized_signer.sign_message(msg_ref.data(), msg_ref.size(), fixed_rng);	4✔
165
166	result.test_bin_eq(	4✔
167	"signature creation after deserialization", hash->process(deserialized_signature), sig_rand_hash);	4✔
168
169	// Verification with deserialized Keypair
170	Botan::PK_Verifier deserialized_verifier(deserialized_pub_key, params.algorithm_identifier());	4✔
171	const bool verify_success_deserialized = deserialized_verifier.verify_message(	4✔
172	msg_ref.data(), msg_ref.size(), signature_rand.data(), signature_rand.size());	4✔
173	result.test_is_true("verification of valid signature after deserialization", verify_success_deserialized);	4✔
174
175	// Verification of invalid signature
176	auto broken_sig = Test::mutate_vec(deserialized_signature, this->rng());	4✔
177	const bool verify_fail = deserialized_verifier.verify_message(	4✔
178	msg_ref.data(), msg_ref.size(), broken_sig.data(), broken_sig.size());	4✔
179	result.test_is_true("verification of invalid signature", !verify_fail);	4✔
180
181	const bool verify_success_after_fail = deserialized_verifier.verify_message(	4✔
182	msg_ref.data(), msg_ref.size(), signature_rand.data(), signature_rand.size());	4✔
183	result.test_is_true("verification of valid signature after broken signature", verify_success_after_fail);	4✔
184	}	8✔
185
186	// Misc
187	result.test_is_true("parameter serialization works",	48✔
188	params.to_string() == vars.get_req_str("SphincsParameterSet"));	48✔
189
190	return result;	48✔
191	}	240✔
192	};
193
194	class SPHINCS_Plus_Test final : public SPHINCS_Plus_Test_Base {	×
195	public:
196	SPHINCS_Plus_Test() : SPHINCS_Plus_Test_Base("pubkey/sphincsplus.vec") {}	1✔
197	};
198
199	class SLH_DSA_Test final : public SPHINCS_Plus_Test_Base {	×
200	public:
201	SLH_DSA_Test() : SPHINCS_Plus_Test_Base("pubkey/slh_dsa.vec") {}	1✔
202	};
203
204	class SPHINCS_Plus_Keygen_Tests final : public PK_Key_Generation_Test {	1✔
205	public:
206	std::vector<std::string> keygen_params() const override {	1✔
207	const std::vector<std::string> short_test_params = {	1✔
208	"SphincsPlus-shake-128s-r3.1",
209	"SLH-DSA-SHAKE-128s",
210	"SphincsPlus-sha2-128f-r3.1",
211	"SLH-DSA-SHA2-128f",
212	};	1✔
213	const std::vector<std::string> all_params = {	1✔
214	"SphincsPlus-shake-128s-r3.1", "SphincsPlus-shake-128f-r3.1", "SphincsPlus-shake-192s-r3.1",
215	"SphincsPlus-shake-192f-r3.1", "SphincsPlus-shake-256s-r3.1", "SphincsPlus-shake-256f-r3.1",
216	"SLH-DSA-SHAKE-128s", "SLH-DSA-SHAKE-128f", "SLH-DSA-SHAKE-192s",
217	"SLH-DSA-SHAKE-192f", "SLH-DSA-SHAKE-256s", "SLH-DSA-SHAKE-256f",
218	"SphincsPlus-sha2-128s-r3.1", "SphincsPlus-sha2-128f-r3.1", "SphincsPlus-sha2-192s-r3.1",
219	"SphincsPlus-sha2-192f-r3.1", "SphincsPlus-sha2-256s-r3.1", "SphincsPlus-sha2-256f-r3.1",
220	"SLH-DSA-SHA2-128s", "SLH-DSA-SHA2-128f", "SLH-DSA-SHA2-192s",
221	"SLH-DSA-SHA2-192f", "SLH-DSA-SHA2-256s", "SLH-DSA-SHA2-256f",
222	};	1✔
223	const auto& tested_params = Test::run_long_tests() ? all_params : short_test_params;	1✔
224	std::vector<std::string> available_params;	1✔
225	for(const auto& param : tested_params) {	25✔
226	if(Botan::Sphincs_Parameters::create(param).is_available()) {	24✔
227	available_params.push_back(param);	24✔
228	}
229	}
230	return available_params;	1✔
231	}	1✔
232
233	std::string algo_name() const override { return "SLH-DSA"; }	24✔
234
235	std::unique_ptr<Botan::Public_Key> public_key_from_raw(std::string_view keygen_params,	24✔
236	std::string_view /* provider */,
237	std::span<const uint8_t> raw_pk) const override {
238	return std::make_unique<Botan::SphincsPlus_PublicKey>(raw_pk,	24✔
239	Botan::Sphincs_Parameters::create(keygen_params));	24✔
240	}
241	};
242
243	class Generic_SlhDsa_Signature_Tests final : public PK_Signature_Generation_Test {
244	public:
245	Generic_SlhDsa_Signature_Tests() :	1✔
246	PK_Signature_Generation_Test(
247	"SLH-DSA", "pubkey/slh_dsa_generic.vec", "Instance,Msg,PrivateKey,PublicKey,Valid,Signature", "Nonce") {}	2✔
248
249	bool clear_between_callbacks() const override { return false; }	2✔
250
251	std::unique_ptr<Botan::Private_Key> load_private_key(const VarMap& vars) override {	2✔
252	const std::string instance = vars.get_req_str("Instance");	2✔
253	const std::vector<uint8_t> privkey = vars.get_req_bin("PrivateKey");	2✔
254	const std::vector<uint8_t> pubkey = vars.get_req_bin("PublicKey");	2✔
255	auto sk =	2✔
256	std::make_unique<Botan::SphincsPlus_PrivateKey>(privkey, Botan::Sphincs_Parameters::create(instance));	2✔
257
258	if(sk->public_key_bits() != pubkey) {	4✔
259	throw Test_Error("Invalid SLH-DSA key in test data");	×
260	}
261
262	return sk;	2✔
263	}	6✔
264
265	std::string default_padding(const VarMap& vars) const override {	2✔
266	return vars.has_key("Nonce") ? "Randomized" : "Deterministic";	3✔
267	}
268
269	bool skip_this_test(const std::string& /header/, const VarMap& vars) override {	2✔
270	return !Botan::Sphincs_Parameters::create(vars.get_req_str("Instance")).is_available();	2✔
271	}
272	};
273
274	class Generic_SlhDsa_Verification_Tests final : public PK_Signature_Verification_Test {
275	public:
276	Generic_SlhDsa_Verification_Tests() :	1✔
277	PK_Signature_Verification_Test(
278	"SLH-DSA", "pubkey/slh_dsa_generic.vec", "Instance,Msg,PrivateKey,PublicKey,Valid,Signature", "Nonce") {}	2✔
279
280	bool clear_between_callbacks() const override { return false; }	2✔
281
282	std::unique_ptr<Botan::Public_Key> load_public_key(const VarMap& vars) override {	2✔
283	const std::string instance = vars.get_req_str("Instance");	2✔
284	const std::vector<uint8_t> pubkey = vars.get_req_bin("PublicKey");	2✔
285
286	return std::make_unique<Botan::SphincsPlus_PublicKey>(pubkey, Botan::Sphincs_Parameters::create(instance));	4✔
287	}	2✔
288
289	std::string default_padding(const VarMap& /vars/) const override { return ""; }	2✔
290
291	bool skip_this_test(const std::string& /header/, const VarMap& vars) override {	2✔
292	return !Botan::Sphincs_Parameters::create(vars.get_req_str("Instance")).is_available();	2✔
293	}
294	};
295
296	#if defined(BOTAN_HAS_X509_CERTIFICATES) && defined(BOTAN_TARGET_OS_HAS_FILESYSTEM)
297	class SLH_DSA_X509_Tests : public Test {	×
298	public:
299	SLH_DSA_X509_Tests() = default;	1✔
300
301	std::vector<Test::Result> run() override {	1✔
302	Test::Result result("SLH-DSA-X.509");	1✔
303	const Botan::X509_Certificate cert(Test::data_file("x509/slh-dsa/slh-dsa-rfc-9909-cert.pem"));	2✔
304	auto ver_res = cert.verify_signature(*cert.subject_public_key());	1✔
305	result.test_is_true("signature of certificate verifies", ver_res.first == Botan::Certificate_Status_Code::OK);	1✔
306	return std::vector<Test::Result>({result});	4✔
307	}	2✔
308	};
309	#endif
310
311	BOTAN_REGISTER_TEST("pubkey", "sphincsplus", SPHINCS_Plus_Test);
312	BOTAN_REGISTER_TEST("pubkey", "slh_dsa", SLH_DSA_Test);
313	BOTAN_REGISTER_TEST("pubkey", "slh_dsa_keygen", SPHINCS_Plus_Keygen_Tests);
314	BOTAN_REGISTER_TEST("pubkey", "slh_dsa_sign_generic", Generic_SlhDsa_Signature_Tests);
315	BOTAN_REGISTER_TEST("pubkey", "slh_dsa_verify_generic", Generic_SlhDsa_Verification_Tests);
316	#if defined(BOTAN_HAS_X509_CERTIFICATES) && defined(BOTAN_TARGET_OS_HAS_FILESYSTEM)
317	BOTAN_REGISTER_TEST("pubkey", "slh_dsa_x509", SLH_DSA_X509_Tests);
318	#endif
319
320	} // namespace
321
322	} // namespace Botan_Tests
323
324	#endif // BOTAN_HAS_SPHINCS_PLUS

randombit / botan / 29069405686

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