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13021208024

Committed 28 Jan 2025 11:07PM UTC coverage: 91.241% (-0.02%) from 91.258%

Build # 13021208024

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Commit Message

Merge pull request #4604 from randombit/jack/support-minimal-curves

Avoid requiring legacy_ec_group in order to run the tests

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/src/tests/test_ecies.cpp

/*
* (C) 2016 Philipp Weber
* (C) 2016 Daniel Neus
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include "tests.h"

#if defined(BOTAN_HAS_ECIES)
   #include <botan/ecdh.h>
   #include <botan/ecies.h>
#endif

namespace Botan_Tests {

namespace {

#if defined(BOTAN_HAS_ECIES) && defined(BOTAN_HAS_AES) && defined(BOTAN_HAS_MODE_CBC)

using Flags = Botan::ECIES_Flags;

Botan::EC_Point_Format get_compression_type(const std::string& format) {
   if(format == "uncompressed") {
      return Botan::EC_Point_Format::Uncompressed;
   } else if(format == "compressed") {
      return Botan::EC_Point_Format::Compressed;
   } else if(format == "hybrid") {
      return Botan::EC_Point_Format::Hybrid;
   }
   throw Botan::Invalid_Argument("invalid compression format");
}

Flags ecies_flags(bool cofactor_mode, bool old_cofactor_mode, bool check_mode, bool single_hash_mode) {
   return (cofactor_mode ? Flags::CofactorMode : Flags::None) |
          (single_hash_mode ? Flags::SingleHashMode : Flags::None) |
          (old_cofactor_mode ? Flags::OldCofactorMode : Flags::None) | (check_mode ? Flags::CheckMode : Flags::None);
}

void check_encrypt_decrypt(Test::Result& result,
                           const Botan::ECDH_PrivateKey& private_key,
                           const Botan::ECDH_PrivateKey& other_private_key,
                           const Botan::ECIES_System_Params& ecies_params,
                           const Botan::InitializationVector& iv,
                           const std::string& label,
                           const std::vector<uint8_t>& plaintext,
                           const std::vector<uint8_t>& ciphertext,
                           Botan::RandomNumberGenerator& rng) {
   try {
      Botan::ECIES_Encryptor ecies_enc(private_key, ecies_params, rng);
      ecies_enc.set_other_key(
         Botan::EC_AffinePoint(other_private_key.domain(), other_private_key.raw_public_key_bits()));
      Botan::ECIES_Decryptor ecies_dec(other_private_key, ecies_params, rng);
      if(!iv.bits_of().empty()) {
         ecies_enc.set_initialization_vector(iv);
         ecies_dec.set_initialization_vector(iv);
      }
      if(!label.empty()) {
         ecies_enc.set_label(label);
         ecies_dec.set_label(label);
      }

      const std::vector<uint8_t> encrypted = ecies_enc.encrypt(plaintext, rng);
      if(!ciphertext.empty()) {
         result.test_eq("encrypted data", encrypted, ciphertext);
      }
      const Botan::secure_vector<uint8_t> decrypted = ecies_dec.decrypt(encrypted);
      result.test_eq("decrypted data equals plaintext", decrypted, plaintext);

      std::vector<uint8_t> invalid_encrypted = encrypted;
      uint8_t& last_byte = invalid_encrypted[invalid_encrypted.size() - 1];
      last_byte = ~last_byte;
      result.test_throws("throw on invalid ciphertext",
                         [&ecies_dec, &invalid_encrypted] { ecies_dec.decrypt(invalid_encrypted); });
   } catch(Botan::Lookup_Error& e) {
      result.test_note(std::string("Test not executed: ") + e.what());
   }
}

void check_encrypt_decrypt(Test::Result& result,
                           const Botan::ECDH_PrivateKey& private_key,
                           const Botan::ECDH_PrivateKey& other_private_key,
                           const Botan::ECIES_System_Params& ecies_params,
                           size_t iv_length,
                           Botan::RandomNumberGenerator& rng) {
   const std::vector<uint8_t> plaintext{1, 2, 3};
   check_encrypt_decrypt(result,
                         private_key,
                         other_private_key,
                         ecies_params,
                         Botan::InitializationVector(std::vector<uint8_t>(iv_length, 0)),
                         "",
                         plaintext,
                         std::vector<uint8_t>(),
                         rng);
}

   #if defined(BOTAN_HAS_KDF1_18033) && defined(BOTAN_HAS_SHA1)

class ECIES_ISO_Tests final : public Text_Based_Test {
   public:
      ECIES_ISO_Tests() : Text_Based_Test("pubkey/ecies-18033.vec", "format,p,a,b,Order,Gx,Gy,Oid,hx,hy,x,r,C0,K") {}

      bool clear_between_callbacks() const override { return false; }

      bool skip_this_test(const std::string&, const VarMap&) override {
         return !Botan::EC_Group::supports_application_specific_group();
      }

      Test::Result run_one_test(const std::string& /*header*/, const VarMap& vars) override {
         Test::Result result("ECIES-ISO");

         // get test vectors defined by ISO 18033
         const Botan::EC_Point_Format compression_type = get_compression_type(vars.get_req_str("format"));
         const Botan::BigInt p = vars.get_req_bn("p");
         const Botan::BigInt a = vars.get_req_bn("a");
         const Botan::BigInt b = vars.get_req_bn("b");
         const Botan::BigInt order = vars.get_req_bn("Order");  // order
         const Botan::BigInt gx = vars.get_req_bn("Gx");        // base point x
         const Botan::BigInt gy = vars.get_req_bn("Gy");        // base point y
         const Botan::OID oid(vars.get_req_str("Oid"));
         const Botan::BigInt hx = vars.get_req_bn("hx");          // x of public point of bob
         const Botan::BigInt hy = vars.get_req_bn("hy");          // y of public point of bob
         const Botan::BigInt x = vars.get_req_bn("x");            // private key of bob
         const Botan::BigInt r = vars.get_req_bn("r");            // (ephemeral) private key of alice
         const std::vector<uint8_t> c0 = vars.get_req_bin("C0");  // expected encoded (ephemeral) public key
         const std::vector<uint8_t> k = vars.get_req_bin("K");    // expected derived secret

         const Botan::EC_Group domain(oid, p, a, b, gx, gy, order);

         // keys of bob
         const Botan::ECDH_PrivateKey other_private_key(this->rng(), domain, x);
         const auto other_public_key_point = Botan::EC_AffinePoint::from_bigint_xy(domain, hx, hy).value();
         const Botan::ECDH_PublicKey other_public_key(domain, other_public_key_point);

         // (ephemeral) keys of alice
         const Botan::ECDH_PrivateKey eph_private_key(this->rng(), domain, r);
         const auto eph_public_key_bin = eph_private_key.public_value(compression_type);
         result.test_eq("encoded (ephemeral) public key", eph_public_key_bin, c0);

         // test secret derivation: ISO 18033 test vectors use KDF1 from ISO 18033
         // no cofactor-/oldcofactor-/singlehash-/check-mode and 128 byte secret length
         Botan::ECIES_KA_Params ka_params(
            eph_private_key.domain(), "KDF1-18033(SHA-1)", 128, compression_type, Flags::None);
         const Botan::ECIES_KA_Operation ka(eph_private_key, ka_params, true, this->rng());
         const Botan::SymmetricKey secret_key = ka.derive_secret(eph_public_key_bin, other_public_key_point);
         result.test_eq("derived secret key", secret_key.bits_of(), k);

         // test encryption / decryption

         for(auto comp_type : {Botan::EC_Point_Format::Uncompressed,
                               Botan::EC_Point_Format::Compressed,
                               Botan::EC_Point_Format::Hybrid}) {
            for(bool cofactor_mode : {true, false}) {
               for(bool single_hash_mode : {true, false}) {
                  for(bool old_cofactor_mode : {true, false}) {
                     for(bool check_mode : {true, false}) {
                        Flags flags = ecies_flags(cofactor_mode, old_cofactor_mode, check_mode, single_hash_mode);

                        if(size_t(cofactor_mode) + size_t(check_mode) + size_t(old_cofactor_mode) > 1) {
                           auto onThrow = [&]() {
                              Botan::ECIES_System_Params(eph_private_key.domain(),
                                                         "KDF2(SHA-1)",
                                                         "AES-256/CBC",
                                                         32,
                                                         "HMAC(SHA-1)",
                                                         20,
                                                         comp_type,
                                                         flags);
                           };
                           result.test_throws("throw on invalid ECIES_Flags", onThrow);
                           continue;
                        }

                        Botan::ECIES_System_Params ecies_params(eph_private_key.domain(),
                                                                "KDF2(SHA-1)",
                                                                "AES-256/CBC",
                                                                32,
                                                                "HMAC(SHA-1)",
                                                                20,
                                                                comp_type,
                                                                flags);
                        check_encrypt_decrypt(
                           result, eph_private_key, other_private_key, ecies_params, 16, this->rng());
                     }
                  }
               }
            }
         }

         return result;
      }
};

BOTAN_REGISTER_TEST("pubkey", "ecies_iso", ECIES_ISO_Tests);

   #endif

class ECIES_Tests final : public Text_Based_Test {
   public:
      ECIES_Tests() :
            Text_Based_Test("pubkey/ecies.vec",
                            "Curve,PrivateKey,OtherPrivateKey,Kdf,Dem,DemKeyLen,Mac,MacKeyLen,Format,"
                            "CofactorMode,OldCofactorMode,CheckMode,SingleHashMode,Label,Plaintext,Ciphertext",
                            "Iv") {}

      bool skip_this_test(const std::string&, const VarMap& vars) override {
         const auto curve = vars.get_req_str("Curve");

         if(curve.starts_with("-----BEGIN EC PARAMETERS")) {
            return !Botan::EC_Group::supports_application_specific_group();
         } else {
            return !Botan::EC_Group::supports_named_group(curve);
         }
      }

      Test::Result run_one_test(const std::string& /*header*/, const VarMap& vars) override {
         Test::Result result("ECIES");

         const std::string curve = vars.get_req_str("Curve");
         const Botan::BigInt private_key_value = vars.get_req_bn("PrivateKey");
         const Botan::BigInt other_private_key_value = vars.get_req_bn("OtherPrivateKey");
         const std::string kdf = vars.get_req_str("Kdf");
         const std::string dem = vars.get_req_str("Dem");
         const size_t dem_key_len = vars.get_req_sz("DemKeyLen");
         const Botan::InitializationVector iv = Botan::InitializationVector(vars.get_opt_bin("Iv"));
         const std::string mac = vars.get_req_str("Mac");
         const size_t mac_key_len = vars.get_req_sz("MacKeyLen");
         const Botan::EC_Point_Format compression_type = get_compression_type(vars.get_req_str("Format"));
         const bool cofactor_mode = vars.get_req_sz("CofactorMode") != 0;
         const bool old_cofactor_mode = vars.get_req_sz("OldCofactorMode") != 0;
         const bool check_mode = vars.get_req_sz("CheckMode") != 0;
         const bool single_hash_mode = vars.get_req_sz("SingleHashMode") != 0;
         const std::string label = vars.get_req_str("Label");
         const std::vector<uint8_t> plaintext = vars.get_req_bin("Plaintext");
         const std::vector<uint8_t> ciphertext = vars.get_req_bin("Ciphertext");

         const Flags flags = ecies_flags(cofactor_mode, old_cofactor_mode, check_mode, single_hash_mode);

         // This test uses a mix of named curves plus PEM, so we use the deprecated constructor atm
         const Botan::EC_Group domain(curve);
         const Botan::ECDH_PrivateKey private_key(this->rng(), domain, private_key_value);
         const Botan::ECDH_PrivateKey other_private_key(this->rng(), domain, other_private_key_value);

         const Botan::ECIES_System_Params ecies_params(
            private_key.domain(), kdf, dem, dem_key_len, mac, mac_key_len, compression_type, flags);
         check_encrypt_decrypt(
            result, private_key, other_private_key, ecies_params, iv, label, plaintext, ciphertext, this->rng());

         return result;
      }
};

BOTAN_REGISTER_TEST("pubkey", "ecies", ECIES_Tests);

   #if defined(BOTAN_HAS_KDF1_18033) && defined(BOTAN_HAS_HMAC) && defined(BOTAN_HAS_AES) && defined(BOTAN_HAS_SHA2_64)

Test::Result test_other_key_not_set() {
   Test::Result result("ECIES other key not set");

   auto rng = Test::new_rng("ecies_other_key_not_set");

   const Flags flags = ecies_flags(false, false, false, true);
   const auto domain = Botan::EC_Group::from_name("secp521r1");

   const Botan::BigInt private_key_value(
      "405029866705438137604064977397053031159826489755682166267763407"
      "5002761777100287880684822948852132235484464537021197213998300006"
      "547176718172344447619746779823");

   const Botan::ECDH_PrivateKey private_key(*rng, domain, private_key_value);
   const Botan::ECIES_System_Params ecies_params(private_key.domain(),
                                                 "KDF1-18033(SHA-512)",
                                                 "AES-256/CBC",
                                                 32,
                                                 "HMAC(SHA-512)",
                                                 20,
                                                 Botan::EC_Point_Format::Compressed,
                                                 flags);

   Botan::ECIES_Encryptor ecies_enc(private_key, ecies_params, *rng);

   result.test_throws("encrypt not possible without setting other public key",
                      [&ecies_enc, &rng]() { ecies_enc.encrypt(std::vector<uint8_t>(8), *rng); });

   return result;
}

Test::Result test_kdf_not_found() {
   Test::Result result("ECIES kdf not found");

   auto rng = Test::new_rng("ecies_kdf_not_found");

   const Flags flags = ecies_flags(false, false, false, true);
   const auto domain = Botan::EC_Group::from_name("secp521r1");

   const Botan::BigInt private_key_value(
      "405029866705438137604064977397053031159826489755682166267763407"
      "5002761777100287880684822948852132235484464537021197213998300006"
      "547176718172344447619746779823");

   const Botan::ECDH_PrivateKey private_key(*rng, domain, private_key_value);
   const Botan::ECIES_System_Params ecies_params(private_key.domain(),
                                                 "KDF-XYZ(SHA-512)",
                                                 "AES-256/CBC",
                                                 32,
                                                 "HMAC(SHA-512)",
                                                 20,
                                                 Botan::EC_Point_Format::Compressed,
                                                 flags);

   result.test_throws("kdf not found", [&]() {
      Botan::ECIES_Encryptor ecies_enc(private_key, ecies_params, *rng);
      ecies_enc.encrypt(std::vector<uint8_t>(8), *rng);
   });

   return result;
}

Test::Result test_mac_not_found() {
   Test::Result result("ECIES mac not found");

   auto rng = Test::new_rng("ecies_mac_not_found");

   const Flags flags = ecies_flags(false, false, false, true);
   const auto domain = Botan::EC_Group::from_name("secp521r1");

   const Botan::BigInt private_key_value(
      "405029866705438137604064977397053031159826489755682166267763407"
      "5002761777100287880684822948852132235484464537021197213998300006"
      "547176718172344447619746779823");

   const Botan::ECDH_PrivateKey private_key(*rng, domain, private_key_value);
   const Botan::ECIES_System_Params ecies_params(private_key.domain(),
                                                 "KDF1-18033(SHA-512)",
                                                 "AES-256/CBC",
                                                 32,
                                                 "XYZMAC(SHA-512)",
                                                 20,
                                                 Botan::EC_Point_Format::Compressed,
                                                 flags);

   result.test_throws("mac not found", [&]() {
      Botan::ECIES_Encryptor ecies_enc(private_key, ecies_params, *rng);
      ecies_enc.encrypt(std::vector<uint8_t>(8), *rng);
   });

   return result;
}

Test::Result test_cipher_not_found() {
   Test::Result result("ECIES cipher not found");

   auto rng = Test::new_rng("ecies_cipher_not_found");

   const Flags flags = ecies_flags(false, false, false, true);
   const auto domain = Botan::EC_Group::from_name("secp521r1");

   const Botan::BigInt private_key_value(
      "405029866705438137604064977397053031159826489755682166267763407"
      "5002761777100287880684822948852132235484464537021197213998300006"
      "547176718172344447619746779823");

   const Botan::ECDH_PrivateKey private_key(*rng, domain, private_key_value);
   const Botan::ECIES_System_Params ecies_params(private_key.domain(),
                                                 "KDF1-18033(SHA-512)",
                                                 "AES-XYZ-256/CBC",
                                                 32,
                                                 "HMAC(SHA-512)",
                                                 20,
                                                 Botan::EC_Point_Format::Compressed,
                                                 flags);

   result.test_throws("cipher not found", [&]() {
      Botan::ECIES_Encryptor ecies_enc(private_key, ecies_params, *rng);
      ecies_enc.encrypt(std::vector<uint8_t>(8), *rng);
   });

   return result;
}

Test::Result test_system_params_short_ctor() {
   Test::Result result("ECIES short system params ctor");

   auto rng = Test::new_rng("ecies_params_short_ctor");

   const auto domain = Botan::EC_Group::from_name("secp521r1");
   const Botan::BigInt private_key_value(
      "405029866705438137604064977397053031159826489755682166267763407"
      "5002761777100287880684822948852132235484464537021197213998300006"
      "547176718172344447619746779823");

   const Botan::BigInt other_private_key_value(
      "2294226772740614508941417891614236736606752960073669253551166842"
      "5866095315090327914760325168219669828915074071456176066304457448"
      "25404691681749451640151380153");

   const Botan::ECDH_PrivateKey private_key(*rng, domain, private_key_value);
   const Botan::ECDH_PrivateKey other_private_key(*rng, domain, other_private_key_value);

   const Botan::ECIES_System_Params ecies_params(
      private_key.domain(), "KDF1-18033(SHA-512)", "AES-256/CBC", 32, "HMAC(SHA-512)", 16);

   const Botan::InitializationVector iv("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF");
   const std::string label = "Test";

   const std::vector<uint8_t> plaintext = Botan::hex_decode("000102030405060708090A0B0C0D0E0F");

   // generated with botan
   const std::vector<uint8_t> ciphertext = Botan::hex_decode(
      "0401519EAA0489FF9D51E98E4C22349463E2001CD06F8CE47D81D4007A"
      "79ACF98E92C814686477CEA666EFC277DC84E15FC95E38AFF8E16D478A"
      "44CD5C5F1517F8B1F300000591317F261C3D04A7207F01EAE3EC70F2360"
      "0F82C53CC0B85BE7AC9F6CE79EF2AB416E5934D61BA9D346385D7545C57F"
      "77C7EA7C58E18C70CBFB0A24AE1B9943EC5A8D0657522CCDF30BA95674D81"
      "B397635D215178CD13BD9504AE957A9888F4128FFC0F0D3F1CEC646AEC8CE"
      "3F2463D233B22A7A12B679F4C06501F584D4DEFF6D26592A8D873398BD892"
      "B477B3468813C053DA43C4F3D49009F7A12D6EF7");

   check_encrypt_decrypt(result, private_key, other_private_key, ecies_params, iv, label, plaintext, ciphertext, *rng);

   return result;
}

Test::Result test_ciphertext_too_short() {
   Test::Result result("ECIES ciphertext too short");

   const auto domain = Botan::EC_Group::from_name("secp521r1");
   const Botan::BigInt private_key_value(
      "405029866705438137604064977397053031159826489755682166267763407"
      "5002761777100287880684822948852132235484464537021197213998300006"
      "547176718172344447619746779823");

   const Botan::BigInt other_private_key_value(
      "2294226772740614508941417891614236736606752960073669253551166842"
      "5866095315090327914760325168219669828915074071456176066304457448"
      "25404691681749451640151380153");

   auto rng = Test::new_rng("ecies_ciphertext_too_short");

   const Botan::ECDH_PrivateKey private_key(*rng, domain, private_key_value);
   const Botan::ECDH_PrivateKey other_private_key(*rng, domain, other_private_key_value);

   const Botan::ECIES_System_Params ecies_params(
      private_key.domain(), "KDF1-18033(SHA-512)", "AES-256/CBC", 32, "HMAC(SHA-512)", 16);

   Botan::ECIES_Decryptor ecies_dec(other_private_key, ecies_params, *rng);

   result.test_throws("ciphertext too short",
                      [&ecies_dec]() { ecies_dec.decrypt(Botan::hex_decode("0401519EAA0489FF9D51E98E4C22349A")); });

   return result;
}

class ECIES_Unit_Tests final : public Test {
   public:
      std::vector<Test::Result> run() override {
         std::vector<Test::Result> results;

         std::vector<std::function<Test::Result()>> fns = {test_other_key_not_set,
                                                           test_kdf_not_found,
                                                           test_mac_not_found,
                                                           test_cipher_not_found,
                                                           test_system_params_short_ctor,
                                                           test_ciphertext_too_short};

         for(size_t i = 0; i != fns.size(); ++i) {
            try {
               results.emplace_back(fns[i]());
            } catch(std::exception& e) {
               results.emplace_back(Test::Result::Failure("ECIES unit tests " + std::to_string(i), e.what()));
            }
         }

         return results;
      }
};

BOTAN_REGISTER_TEST("pubkey", "ecies_unit", ECIES_Unit_Tests);

   #endif

#endif

}  // namespace

}  // namespace Botan_Tests

1	/*
2	* (C) 2016 Philipp Weber
3	* (C) 2016 Daniel Neus
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_ECIES)
11	#include <botan/ecdh.h>
12	#include <botan/ecies.h>
13	#endif
14
15	namespace Botan_Tests {
16
17	namespace {
18
19	#if defined(BOTAN_HAS_ECIES) && defined(BOTAN_HAS_AES) && defined(BOTAN_HAS_MODE_CBC)
20
21	using Flags = Botan::ECIES_Flags;
22
23	Botan::EC_Point_Format get_compression_type(const std::string& format) {	14✔
24	if(format == "uncompressed") {	14✔
25	return Botan::EC_Point_Format::Uncompressed;
26	} else if(format == "compressed") {	6✔
27	return Botan::EC_Point_Format::Compressed;
28	} else if(format == "hybrid") {	×
29	return Botan::EC_Point_Format::Hybrid;
30	}
31	throw Botan::Invalid_Argument("invalid compression format");	×
32	}
33
34	Flags ecies_flags(bool cofactor_mode, bool old_cofactor_mode, bool check_mode, bool single_hash_mode) {	108✔
35	return (cofactor_mode ? Flags::CofactorMode : Flags::None) \|	108✔
36	(single_hash_mode ? Flags::SingleHashMode : Flags::None) \|
37	(old_cofactor_mode ? Flags::OldCofactorMode : Flags::None) \| (check_mode ? Flags::CheckMode : Flags::None);	216✔
38	}
39
40	void check_encrypt_decrypt(Test::Result& result,	61✔
41	const Botan::ECDH_PrivateKey& private_key,
42	const Botan::ECDH_PrivateKey& other_private_key,
43	const Botan::ECIES_System_Params& ecies_params,
44	const Botan::InitializationVector& iv,
45	const std::string& label,
46	const std::vector<uint8_t>& plaintext,
47	const std::vector<uint8_t>& ciphertext,
48	Botan::RandomNumberGenerator& rng) {
49	try {	61✔
50	Botan::ECIES_Encryptor ecies_enc(private_key, ecies_params, rng);	61✔
51	ecies_enc.set_other_key(	122✔
52	Botan::EC_AffinePoint(other_private_key.domain(), other_private_key.raw_public_key_bits()));	122✔
53	Botan::ECIES_Decryptor ecies_dec(other_private_key, ecies_params, rng);	61✔
54	if(!iv.bits_of().empty()) {	120✔
55	ecies_enc.set_initialization_vector(iv);	59✔
56	ecies_dec.set_initialization_vector(iv);	59✔
57	}
58	if(!label.empty()) {	61✔
59	ecies_enc.set_label(label);	11✔
60	ecies_dec.set_label(label);	11✔
61	}
62
63	const std::vector<uint8_t> encrypted = ecies_enc.encrypt(plaintext, rng);	61✔
64	if(!ciphertext.empty()) {	61✔
65	result.test_eq("encrypted data", encrypted, ciphertext);	26✔
66	}
67	const Botan::secure_vector<uint8_t> decrypted = ecies_dec.decrypt(encrypted);	61✔
68	result.test_eq("decrypted data equals plaintext", decrypted, plaintext);	122✔
69
70	std::vector<uint8_t> invalid_encrypted = encrypted;	61✔
71	uint8_t& last_byte = invalid_encrypted[invalid_encrypted.size() - 1];	61✔
72	last_byte = ~last_byte;	61✔
73	result.test_throws("throw on invalid ciphertext",	183✔
74	[&ecies_dec, &invalid_encrypted] { ecies_dec.decrypt(invalid_encrypted); });	122✔
75	} catch(Botan::Lookup_Error& e) {	183✔
76	result.test_note(std::string("Test not executed: ") + e.what());	×
77	}	×
78	}	61✔
79
80	void check_encrypt_decrypt(Test::Result& result,	48✔
81	const Botan::ECDH_PrivateKey& private_key,
82	const Botan::ECDH_PrivateKey& other_private_key,
83	const Botan::ECIES_System_Params& ecies_params,
84	size_t iv_length,
85	Botan::RandomNumberGenerator& rng) {
86	const std::vector<uint8_t> plaintext{1, 2, 3};	48✔
87	check_encrypt_decrypt(result,	96✔
88	private_key,
89	other_private_key,
90	ecies_params,
91	Botan::InitializationVector(std::vector<uint8_t>(iv_length, 0)),	144✔
92	"",
93	plaintext,
94	std::vector<uint8_t>(),	48✔
95	rng);
96	}	48✔
97
98	#if defined(BOTAN_HAS_KDF1_18033) && defined(BOTAN_HAS_SHA1)
99
100	class ECIES_ISO_Tests final : public Text_Based_Test {	×
101	public:
102	ECIES_ISO_Tests() : Text_Based_Test("pubkey/ecies-18033.vec", "format,p,a,b,Order,Gx,Gy,Oid,hx,hy,x,r,C0,K") {}	2✔
103
104	bool clear_between_callbacks() const override { return false; }	2✔
105
106	bool skip_this_test(const std::string&, const VarMap&) override {	2✔
107	return !Botan::EC_Group::supports_application_specific_group();	2✔
108	}
109
110	Test::Result run_one_test(const std::string& /header/, const VarMap& vars) override {	2✔
111	Test::Result result("ECIES-ISO");	2✔
112
113	// get test vectors defined by ISO 18033
114	const Botan::EC_Point_Format compression_type = get_compression_type(vars.get_req_str("format"));	2✔
115	const Botan::BigInt p = vars.get_req_bn("p");	2✔
116	const Botan::BigInt a = vars.get_req_bn("a");	2✔
117	const Botan::BigInt b = vars.get_req_bn("b");	2✔
118	const Botan::BigInt order = vars.get_req_bn("Order"); // order	2✔
119	const Botan::BigInt gx = vars.get_req_bn("Gx"); // base point x	2✔
120	const Botan::BigInt gy = vars.get_req_bn("Gy"); // base point y	2✔
121	const Botan::OID oid(vars.get_req_str("Oid"));	4✔
122	const Botan::BigInt hx = vars.get_req_bn("hx"); // x of public point of bob	2✔
123	const Botan::BigInt hy = vars.get_req_bn("hy"); // y of public point of bob	2✔
124	const Botan::BigInt x = vars.get_req_bn("x"); // private key of bob	2✔
125	const Botan::BigInt r = vars.get_req_bn("r"); // (ephemeral) private key of alice	2✔
126	const std::vector<uint8_t> c0 = vars.get_req_bin("C0"); // expected encoded (ephemeral) public key	2✔
127	const std::vector<uint8_t> k = vars.get_req_bin("K"); // expected derived secret	2✔
128
129	const Botan::EC_Group domain(oid, p, a, b, gx, gy, order);	2✔
130
131	// keys of bob
132	const Botan::ECDH_PrivateKey other_private_key(this->rng(), domain, x);	2✔
133	const auto other_public_key_point = Botan::EC_AffinePoint::from_bigint_xy(domain, hx, hy).value();	4✔
134	const Botan::ECDH_PublicKey other_public_key(domain, other_public_key_point);	2✔
135
136	// (ephemeral) keys of alice
137	const Botan::ECDH_PrivateKey eph_private_key(this->rng(), domain, r);	2✔
138	const auto eph_public_key_bin = eph_private_key.public_value(compression_type);	2✔
139	result.test_eq("encoded (ephemeral) public key", eph_public_key_bin, c0);	4✔
140
141	// test secret derivation: ISO 18033 test vectors use KDF1 from ISO 18033
142	// no cofactor-/oldcofactor-/singlehash-/check-mode and 128 byte secret length
143	Botan::ECIES_KA_Params ka_params(	2✔
144	eph_private_key.domain(), "KDF1-18033(SHA-1)", 128, compression_type, Flags::None);	2✔
145	const Botan::ECIES_KA_Operation ka(eph_private_key, ka_params, true, this->rng());	2✔
146	const Botan::SymmetricKey secret_key = ka.derive_secret(eph_public_key_bin, other_public_key_point);	2✔
147	result.test_eq("derived secret key", secret_key.bits_of(), k);	4✔
148
149	// test encryption / decryption
150
151	for(auto comp_type : {Botan::EC_Point_Format::Uncompressed,	6✔
152	Botan::EC_Point_Format::Compressed,
153	Botan::EC_Point_Format::Hybrid}) {	8✔
154	for(bool cofactor_mode : {true, false}) {	18✔
155	for(bool single_hash_mode : {true, false}) {	36✔
156	for(bool old_cofactor_mode : {true, false}) {	72✔
157	for(bool check_mode : {true, false}) {	144✔
158	Flags flags = ecies_flags(cofactor_mode, old_cofactor_mode, check_mode, single_hash_mode);	96✔
159
160	if(size_t(cofactor_mode) + size_t(check_mode) + size_t(old_cofactor_mode) > 1) {	96✔
161	auto onThrow = [&]() {	96✔
162	Botan::ECIES_System_Params(eph_private_key.domain(),	48✔
163	"KDF2(SHA-1)",
164	"AES-256/CBC",
165	32,
166	"HMAC(SHA-1)",
167	20,
168	comp_type,
169	flags);
170	};	48✔
171	result.test_throws("throw on invalid ECIES_Flags", onThrow);	96✔
172	continue;	48✔
173	}	48✔
174
175	Botan::ECIES_System_Params ecies_params(eph_private_key.domain(),	48✔
176	"KDF2(SHA-1)",
177	"AES-256/CBC",
178	32,
179	"HMAC(SHA-1)",
180	20,
181	comp_type,
182	flags);	48✔
183	check_encrypt_decrypt(	48✔
184	result, eph_private_key, other_private_key, ecies_params, 16, this->rng());
185	}	48✔
186	}
187	}
188	}
189	}
190
191	return result;	2✔
192	}	30✔
193	};
194
195	BOTAN_REGISTER_TEST("pubkey", "ecies_iso", ECIES_ISO_Tests);
196
197	#endif
198
199	class ECIES_Tests final : public Text_Based_Test {	×
200	public:
201	ECIES_Tests() :	1✔
202	Text_Based_Test("pubkey/ecies.vec",
203	"Curve,PrivateKey,OtherPrivateKey,Kdf,Dem,DemKeyLen,Mac,MacKeyLen,Format,"
204	"CofactorMode,OldCofactorMode,CheckMode,SingleHashMode,Label,Plaintext,Ciphertext",
205	"Iv") {}	2✔
206
207	bool skip_this_test(const std::string&, const VarMap& vars) override {	12✔
208	const auto curve = vars.get_req_str("Curve");	12✔
209
210	if(curve.starts_with("-----BEGIN EC PARAMETERS")) {	12✔
211	return !Botan::EC_Group::supports_application_specific_group();	5✔
212	} else {
213	return !Botan::EC_Group::supports_named_group(curve);	7✔
214	}
215	}	12✔
216
217	Test::Result run_one_test(const std::string& /header/, const VarMap& vars) override {	12✔
218	Test::Result result("ECIES");	12✔
219
220	const std::string curve = vars.get_req_str("Curve");	12✔
221	const Botan::BigInt private_key_value = vars.get_req_bn("PrivateKey");	12✔
222	const Botan::BigInt other_private_key_value = vars.get_req_bn("OtherPrivateKey");	12✔
223	const std::string kdf = vars.get_req_str("Kdf");	12✔
224	const std::string dem = vars.get_req_str("Dem");	12✔
225	const size_t dem_key_len = vars.get_req_sz("DemKeyLen");	12✔
226	const Botan::InitializationVector iv = Botan::InitializationVector(vars.get_opt_bin("Iv"));	22✔
227	const std::string mac = vars.get_req_str("Mac");	12✔
228	const size_t mac_key_len = vars.get_req_sz("MacKeyLen");	12✔
229	const Botan::EC_Point_Format compression_type = get_compression_type(vars.get_req_str("Format"));	12✔
230	const bool cofactor_mode = vars.get_req_sz("CofactorMode") != 0;	12✔
231	const bool old_cofactor_mode = vars.get_req_sz("OldCofactorMode") != 0;	12✔
232	const bool check_mode = vars.get_req_sz("CheckMode") != 0;	12✔
233	const bool single_hash_mode = vars.get_req_sz("SingleHashMode") != 0;	12✔
234	const std::string label = vars.get_req_str("Label");	12✔
235	const std::vector<uint8_t> plaintext = vars.get_req_bin("Plaintext");	12✔
236	const std::vector<uint8_t> ciphertext = vars.get_req_bin("Ciphertext");	12✔
237
238	const Flags flags = ecies_flags(cofactor_mode, old_cofactor_mode, check_mode, single_hash_mode);	12✔
239
240	// This test uses a mix of named curves plus PEM, so we use the deprecated constructor atm
241	const Botan::EC_Group domain(curve);	12✔
242	const Botan::ECDH_PrivateKey private_key(this->rng(), domain, private_key_value);	12✔
243	const Botan::ECDH_PrivateKey other_private_key(this->rng(), domain, other_private_key_value);	12✔
244
245	const Botan::ECIES_System_Params ecies_params(	12✔
246	private_key.domain(), kdf, dem, dem_key_len, mac, mac_key_len, compression_type, flags);	12✔
247	check_encrypt_decrypt(	12✔
248	result, private_key, other_private_key, ecies_params, iv, label, plaintext, ciphertext, this->rng());
249
250	return result;	24✔
251	}	70✔
252	};
253
254	BOTAN_REGISTER_TEST("pubkey", "ecies", ECIES_Tests);
255
256	#if defined(BOTAN_HAS_KDF1_18033) && defined(BOTAN_HAS_HMAC) && defined(BOTAN_HAS_AES) && defined(BOTAN_HAS_SHA2_64)
257
258	Test::Result test_other_key_not_set() {	1✔
259	Test::Result result("ECIES other key not set");	1✔
260
261	auto rng = Test::new_rng("ecies_other_key_not_set");	1✔
262
263	const Flags flags = ecies_flags(false, false, false, true);	1✔
264	const auto domain = Botan::EC_Group::from_name("secp521r1");	1✔
265
266	const Botan::BigInt private_key_value(	1✔
267	"405029866705438137604064977397053031159826489755682166267763407"
268	"5002761777100287880684822948852132235484464537021197213998300006"
269	"547176718172344447619746779823");	1✔
270
271	const Botan::ECDH_PrivateKey private_key(*rng, domain, private_key_value);	1✔
272	const Botan::ECIES_System_Params ecies_params(private_key.domain(),	1✔
273	"KDF1-18033(SHA-512)",
274	"AES-256/CBC",
275	32,
276	"HMAC(SHA-512)",
277	20,
278	Botan::EC_Point_Format::Compressed,
279	flags);	1✔
280
281	Botan::ECIES_Encryptor ecies_enc(private_key, ecies_params, *rng);	1✔
282
283	result.test_throws("encrypt not possible without setting other public key",	2✔
284	[&ecies_enc, &rng]() { ecies_enc.encrypt(std::vector<uint8_t>(8), *rng); });	2✔
285
286	return result;	2✔
287	}	3✔
288
289	Test::Result test_kdf_not_found() {	1✔
290	Test::Result result("ECIES kdf not found");	1✔
291
292	auto rng = Test::new_rng("ecies_kdf_not_found");	1✔
293
294	const Flags flags = ecies_flags(false, false, false, true);	1✔
295	const auto domain = Botan::EC_Group::from_name("secp521r1");	1✔
296
297	const Botan::BigInt private_key_value(	1✔
298	"405029866705438137604064977397053031159826489755682166267763407"
299	"5002761777100287880684822948852132235484464537021197213998300006"
300	"547176718172344447619746779823");	1✔
301
302	const Botan::ECDH_PrivateKey private_key(*rng, domain, private_key_value);	1✔
303	const Botan::ECIES_System_Params ecies_params(private_key.domain(),	1✔
304	"KDF-XYZ(SHA-512)",
305	"AES-256/CBC",
306	32,
307	"HMAC(SHA-512)",
308	20,
309	Botan::EC_Point_Format::Compressed,
310	flags);	1✔
311
312	result.test_throws("kdf not found", [&]() {	2✔
313	Botan::ECIES_Encryptor ecies_enc(private_key, ecies_params, *rng);	1✔
314	ecies_enc.encrypt(std::vector<uint8_t>(8), *rng);	2✔
315	});	1✔
316
317	return result;	2✔
318	}	3✔
319
320	Test::Result test_mac_not_found() {	1✔
321	Test::Result result("ECIES mac not found");	1✔
322
323	auto rng = Test::new_rng("ecies_mac_not_found");	1✔
324
325	const Flags flags = ecies_flags(false, false, false, true);	1✔
326	const auto domain = Botan::EC_Group::from_name("secp521r1");	1✔
327
328	const Botan::BigInt private_key_value(	1✔
329	"405029866705438137604064977397053031159826489755682166267763407"
330	"5002761777100287880684822948852132235484464537021197213998300006"
331	"547176718172344447619746779823");	1✔
332
333	const Botan::ECDH_PrivateKey private_key(*rng, domain, private_key_value);	1✔
334	const Botan::ECIES_System_Params ecies_params(private_key.domain(),	1✔
335	"KDF1-18033(SHA-512)",
336	"AES-256/CBC",
337	32,
338	"XYZMAC(SHA-512)",
339	20,
340	Botan::EC_Point_Format::Compressed,
341	flags);	1✔
342
343	result.test_throws("mac not found", [&]() {	2✔
344	Botan::ECIES_Encryptor ecies_enc(private_key, ecies_params, *rng);	1✔
345	ecies_enc.encrypt(std::vector<uint8_t>(8), *rng);	×
346	});	×
347
348	return result;	2✔
349	}	3✔
350
351	Test::Result test_cipher_not_found() {	1✔
352	Test::Result result("ECIES cipher not found");	1✔
353
354	auto rng = Test::new_rng("ecies_cipher_not_found");	1✔
355
356	const Flags flags = ecies_flags(false, false, false, true);	1✔
357	const auto domain = Botan::EC_Group::from_name("secp521r1");	1✔
358
359	const Botan::BigInt private_key_value(	1✔
360	"405029866705438137604064977397053031159826489755682166267763407"
361	"5002761777100287880684822948852132235484464537021197213998300006"
362	"547176718172344447619746779823");	1✔
363
364	const Botan::ECDH_PrivateKey private_key(*rng, domain, private_key_value);	1✔
365	const Botan::ECIES_System_Params ecies_params(private_key.domain(),	1✔
366	"KDF1-18033(SHA-512)",
367	"AES-XYZ-256/CBC",
368	32,
369	"HMAC(SHA-512)",
370	20,
371	Botan::EC_Point_Format::Compressed,
372	flags);	1✔
373
374	result.test_throws("cipher not found", [&]() {	2✔
375	Botan::ECIES_Encryptor ecies_enc(private_key, ecies_params, *rng);	1✔
376	ecies_enc.encrypt(std::vector<uint8_t>(8), *rng);	×
377	});	×
378
379	return result;	2✔
380	}	3✔
381
382	Test::Result test_system_params_short_ctor() {	1✔
383	Test::Result result("ECIES short system params ctor");	1✔
384
385	auto rng = Test::new_rng("ecies_params_short_ctor");	1✔
386
387	const auto domain = Botan::EC_Group::from_name("secp521r1");	1✔
388	const Botan::BigInt private_key_value(	1✔
389	"405029866705438137604064977397053031159826489755682166267763407"
390	"5002761777100287880684822948852132235484464537021197213998300006"
391	"547176718172344447619746779823");	1✔
392
393	const Botan::BigInt other_private_key_value(	1✔
394	"2294226772740614508941417891614236736606752960073669253551166842"
395	"5866095315090327914760325168219669828915074071456176066304457448"
396	"25404691681749451640151380153");	1✔
397
398	const Botan::ECDH_PrivateKey private_key(*rng, domain, private_key_value);	1✔
399	const Botan::ECDH_PrivateKey other_private_key(*rng, domain, other_private_key_value);	1✔
400
401	const Botan::ECIES_System_Params ecies_params(	1✔
402	private_key.domain(), "KDF1-18033(SHA-512)", "AES-256/CBC", 32, "HMAC(SHA-512)", 16);	1✔
403
404	const Botan::InitializationVector iv("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF");	1✔
405	const std::string label = "Test";	1✔
406
407	const std::vector<uint8_t> plaintext = Botan::hex_decode("000102030405060708090A0B0C0D0E0F");	1✔
408
409	// generated with botan
410	const std::vector<uint8_t> ciphertext = Botan::hex_decode(	1✔
411	"0401519EAA0489FF9D51E98E4C22349463E2001CD06F8CE47D81D4007A"
412	"79ACF98E92C814686477CEA666EFC277DC84E15FC95E38AFF8E16D478A"
413	"44CD5C5F1517F8B1F300000591317F261C3D04A7207F01EAE3EC70F2360"
414	"0F82C53CC0B85BE7AC9F6CE79EF2AB416E5934D61BA9D346385D7545C57F"
415	"77C7EA7C58E18C70CBFB0A24AE1B9943EC5A8D0657522CCDF30BA95674D81"
416	"B397635D215178CD13BD9504AE957A9888F4128FFC0F0D3F1CEC646AEC8CE"
417	"3F2463D233B22A7A12B679F4C06501F584D4DEFF6D26592A8D873398BD892"
418	"B477B3468813C053DA43C4F3D49009F7A12D6EF7");	1✔
419
420	check_encrypt_decrypt(result, private_key, other_private_key, ecies_params, iv, label, plaintext, ciphertext, *rng);	1✔
421
422	return result;	1✔
423	}	6✔
424
425	Test::Result test_ciphertext_too_short() {	1✔
426	Test::Result result("ECIES ciphertext too short");	1✔
427
428	const auto domain = Botan::EC_Group::from_name("secp521r1");	1✔
429	const Botan::BigInt private_key_value(	1✔
430	"405029866705438137604064977397053031159826489755682166267763407"
431	"5002761777100287880684822948852132235484464537021197213998300006"
432	"547176718172344447619746779823");	1✔
433
434	const Botan::BigInt other_private_key_value(	1✔
435	"2294226772740614508941417891614236736606752960073669253551166842"
436	"5866095315090327914760325168219669828915074071456176066304457448"
437	"25404691681749451640151380153");	1✔
438
439	auto rng = Test::new_rng("ecies_ciphertext_too_short");	1✔
440
441	const Botan::ECDH_PrivateKey private_key(*rng, domain, private_key_value);	1✔
442	const Botan::ECDH_PrivateKey other_private_key(*rng, domain, other_private_key_value);	1✔
443
444	const Botan::ECIES_System_Params ecies_params(	1✔
445	private_key.domain(), "KDF1-18033(SHA-512)", "AES-256/CBC", 32, "HMAC(SHA-512)", 16);	1✔
446
447	Botan::ECIES_Decryptor ecies_dec(other_private_key, ecies_params, *rng);	1✔
448
449	result.test_throws("ciphertext too short",	2✔
450	[&ecies_dec]() { ecies_dec.decrypt(Botan::hex_decode("0401519EAA0489FF9D51E98E4C22349A")); });	2✔
451
452	return result;	1✔
453	}	4✔
454
455	class ECIES_Unit_Tests final : public Test {	×
456	public:
457	std::vector<Test::Result> run() override {	1✔
458	std::vector<Test::Result> results;	1✔
459
460	std::vector<std::function<Test::Result()>> fns = {test_other_key_not_set,	1✔
461	test_kdf_not_found,
462	test_mac_not_found,
463	test_cipher_not_found,
464	test_system_params_short_ctor,
465	test_ciphertext_too_short};	7✔
466
467	for(size_t i = 0; i != fns.size(); ++i) {	7✔
468	try {	6✔
469	results.emplace_back(fns[i]());	12✔
470	} catch(std::exception& e) {	×
471	results.emplace_back(Test::Result::Failure("ECIES unit tests " + std::to_string(i), e.what()));	×
472	}	×
473	}
474
475	return results;	1✔
476	}	2✔
477	};
478
479	BOTAN_REGISTER_TEST("pubkey", "ecies_unit", ECIES_Unit_Tests);
480
481	#endif
482
483	#endif
484
485	} // namespace
486
487	} // namespace Botan_Tests

randombit / botan / 13021208024

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