5134090420

Committed 31 May 2023 03:12PM UTC coverage: 91.721% (-0.3%) from 91.995%

Build # 5134090420

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randombit

Commit Message

Merge GH #3565 Disable noisy/pointless pylint warnings

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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) {
   try {
      Botan::ECIES_Encryptor ecies_enc(private_key, ecies_params, Test::rng());
      ecies_enc.set_other_key(other_private_key.public_point());
      Botan::ECIES_Decryptor ecies_dec(other_private_key, ecies_params, Test::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, Test::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 = 0) {
   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>());
}

   #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,mu,nu,gx,gy,hx,hy,x,r,C0,K") {}

      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 mu = vars.get_req_bn("mu");          // order
         const Botan::BigInt nu = vars.get_req_bn("nu");          // cofactor
         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::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(p, a, b, gx, gy, mu, nu);

         // keys of bob
         const Botan::ECDH_PrivateKey other_private_key(Test::rng(), domain, x);
         const Botan::EC_Point other_public_key_point = domain.point(hx, hy);
         const Botan::ECDH_PublicKey other_public_key(domain, other_public_key_point);

         // (ephemeral) keys of alice
         const Botan::ECDH_PrivateKey eph_private_key(Test::rng(), domain, r);
         const Botan::EC_Point eph_public_key_point = eph_private_key.public_point();
         const std::vector<uint8_t> eph_public_key_bin = eph_public_key_point.encode(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, Test::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);
                     }
                  }
               }
            }
         }

         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") {}

      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);
         const Botan::EC_Group domain(curve);
         const Botan::ECDH_PrivateKey private_key(Test::rng(), domain, private_key_value);
         const Botan::ECDH_PrivateKey other_private_key(Test::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);

         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");

   const Flags flags = ecies_flags(false, false, false, true);
   const Botan::EC_Group domain("secp521r1");
   const Botan::BigInt private_key_value(
      "405029866705438137604064977397053031159826489755682166267763407"
      "5002761777100287880684822948852132235484464537021197213998300006"
      "547176718172344447619746779823");

   const Botan::ECDH_PrivateKey private_key(Test::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, Test::rng());

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

   return result;
}

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

   const Flags flags = ecies_flags(false, false, false, true);
   const Botan::EC_Group domain("secp521r1");
   const Botan::BigInt private_key_value(
      "405029866705438137604064977397053031159826489755682166267763407"
      "5002761777100287880684822948852132235484464537021197213998300006"
      "547176718172344447619746779823");

   const Botan::ECDH_PrivateKey private_key(Test::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, Test::rng());
      ecies_enc.encrypt(std::vector<uint8_t>(8), Test::rng());
   });

   return result;
}

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

   const Flags flags = ecies_flags(false, false, false, true);
   const Botan::EC_Group domain("secp521r1");
   const Botan::BigInt private_key_value(
      "405029866705438137604064977397053031159826489755682166267763407"
      "5002761777100287880684822948852132235484464537021197213998300006"
      "547176718172344447619746779823");

   const Botan::ECDH_PrivateKey private_key(Test::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, Test::rng());
      ecies_enc.encrypt(std::vector<uint8_t>(8), Test::rng());
   });

   return result;
}

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

   const Flags flags = ecies_flags(false, false, false, true);
   const Botan::EC_Group domain("secp521r1");
   const Botan::BigInt private_key_value(
      "405029866705438137604064977397053031159826489755682166267763407"
      "5002761777100287880684822948852132235484464537021197213998300006"
      "547176718172344447619746779823");

   const Botan::ECDH_PrivateKey private_key(Test::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, Test::rng());
      ecies_enc.encrypt(std::vector<uint8_t>(8), Test::rng());
   });

   return result;
}

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

   const Botan::EC_Group domain("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(Test::rng(), domain, private_key_value);
   const Botan::ECDH_PrivateKey other_private_key(Test::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);

   return result;
}

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

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

randombit / botan / 5134090420

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