16245106037

Committed 13 Jul 2025 03:53AM UTC coverage: 90.576% (+0.004%) from 90.572%

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Merge pull request #4981 from randombit/jack/clang-tidy-suspicious-call-argument

Enable and fix clang-tidy warning suspcious-call-argument

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/src/tests/test_modes.cpp

/*
* (C) 2014,2015,2017 Jack Lloyd
* (C) 2016 Daniel Neus, Rohde & Schwarz Cybersecurity
* (C) 2018 Ribose Inc
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include "tests.h"

#if defined(BOTAN_HAS_CIPHER_MODES)
   #include <botan/cipher_mode.h>
#endif

namespace Botan_Tests {

#if defined(BOTAN_HAS_CIPHER_MODES)

class Cipher_Mode_Tests final : public Text_Based_Test {
   public:
      Cipher_Mode_Tests() : Text_Based_Test("modes", "Key,Nonce,In,Out") {}

      std::vector<std::string> possible_providers(const std::string& algo) override {
         return provider_filter(Botan::Cipher_Mode::providers(algo));
      }

      Test::Result run_one_test(const std::string& algo, const VarMap& vars) override {
         const std::vector<uint8_t> key = vars.get_req_bin("Key");
         const std::vector<uint8_t> nonce = vars.get_req_bin("Nonce");
         const std::vector<uint8_t> input = vars.get_req_bin("In");
         const std::vector<uint8_t> expected = vars.get_req_bin("Out");

         Test::Result result(algo);

         const std::vector<std::string> providers = possible_providers(algo);

         if(providers.empty()) {
            result.note_missing("cipher mode " + algo);
            return result;
         }

         for(auto&& provider_ask : providers) {
            auto enc = Botan::Cipher_Mode::create(algo, Botan::Cipher_Dir::Encryption, provider_ask);

            auto dec = Botan::Cipher_Mode::create(algo, Botan::Cipher_Dir::Decryption, provider_ask);

            if(!enc || !dec) {
               if(enc) {
                  result.test_failure("Provider " + provider_ask + " has encrypt but not decrypt");
               }
               if(dec) {
                  result.test_failure("Provider " + provider_ask + " has decrypt but not encrypt");
               }
               result.note_missing(algo);
               return result;
            }

            result.test_eq("enc and dec granularity is the same", enc->update_granularity(), dec->update_granularity());

            result.test_gt("update granularity is non-zero", enc->update_granularity(), 0);

            result.test_eq(
               "enc and dec ideal granularity is the same", enc->ideal_granularity(), dec->ideal_granularity());

            result.test_gt(
               "ideal granularity is at least update granularity", enc->ideal_granularity(), enc->update_granularity());

            result.confirm("ideal granularity is a multiple of update granularity",
                           enc->ideal_granularity() % enc->update_granularity() == 0);

            try {
               test_mode(result, algo, provider_ask, "encryption", *enc, key, nonce, input, expected, this->rng());
            } catch(Botan::Exception& e) {
               result.test_failure("Encryption tests failed", e.what());
            }

            try {
               // NOLINTNEXTLINE(*-suspicious-call-argument) intentionally swapping ptext and ctext arguments here
               test_mode(result, algo, provider_ask, "decryption", *dec, key, nonce, expected, input, this->rng());
            } catch(Botan::Exception& e) {
               result.test_failure("Decryption tests failed", e.what());
            }
         }

         return result;
      }

   private:
      static void test_mode(Test::Result& result,
                            const std::string& algo,
                            const std::string& provider,
                            const std::string& direction,
                            Botan::Cipher_Mode& mode,
                            const std::vector<uint8_t>& key,
                            const std::vector<uint8_t>& nonce,
                            const std::vector<uint8_t>& input,
                            const std::vector<uint8_t>& expected,
                            Botan::RandomNumberGenerator& rng) {
         const bool is_cbc = (algo.find("/CBC") != std::string::npos);
         const bool is_ctr = (algo.find("CTR") != std::string::npos);

         result.test_eq("name", mode.name(), algo);

         // Some modes report base even if got from another provider
         if(mode.provider() != "base") {
            result.test_eq("provider", mode.provider(), provider);
         }

         result.test_eq("mode not authenticated", mode.authenticated(), false);

         const size_t update_granularity = mode.update_granularity();
         const size_t min_final_bytes = mode.minimum_final_size();

         // FFI currently requires this, so assure it is true for all modes
         result.test_gt("buffer sizes ok", mode.ideal_granularity(), min_final_bytes);

         result.test_eq("key not set", mode.has_keying_material(), false);

         result.test_throws<Botan::Invalid_State>("Unkeyed object throws", [&]() {
            Botan::secure_vector<uint8_t> bad(min_final_bytes);
            mode.finish(bad);
         });

         if(is_cbc) {
            // can't test equal due to CBC padding

            if(direction == "encryption") {
               result.test_lte("output_length", mode.output_length(input.size()), expected.size());
            } else {
               result.test_gte("output_length", mode.output_length(input.size()), expected.size());
            }
         } else {
            // assume all other modes are not expanding (currently true)
            result.test_eq("output_length", mode.output_length(input.size()), expected.size());
         }

         result.confirm("default nonce size is allowed", mode.valid_nonce_length(mode.default_nonce_length()));

         // Test that disallowed nonce sizes result in an exception
         static constexpr size_t large_nonce_size = 65000;
         result.test_eq("Large nonce not allowed", mode.valid_nonce_length(large_nonce_size), false);
         result.test_throws<Botan::Invalid_Argument>("Large nonce causes exception",
                                                     [&mode]() { mode.start(nullptr, large_nonce_size); });

         Botan::secure_vector<uint8_t> garbage = rng.random_vec(update_granularity);
         Botan::secure_vector<uint8_t> ultimate_garbage = rng.random_vec(min_final_bytes);

         // Test to make sure reset() resets what we need it to
         result.test_throws<Botan::Invalid_State>("Cannot process data (update) until key is set",
                                                  [&]() { mode.update(garbage); });
         result.test_throws<Botan::Invalid_State>("Cannot process data (finish) until key is set",
                                                  [&]() { mode.finish(ultimate_garbage); });

         mode.set_key(mutate_vec(key, rng));

         if(is_ctr == false) {
            result.test_throws<Botan::Invalid_State>("Cannot process data until nonce is set",
                                                     [&]() { mode.update(garbage); });
         }

         mode.start(mutate_vec(nonce, rng));
         mode.reset();

         if(is_ctr == false) {
            result.test_throws<Botan::Invalid_State>("Cannot process data until nonce is set (after start/reset)",
                                                     [&]() { mode.update(garbage); });
         }

         mode.start(mutate_vec(nonce, rng));
         mode.update(garbage);

         mode.reset();

         mode.set_key(key);
         result.test_eq("key is set", mode.has_keying_material(), true);
         mode.start(nonce);

         Botan::secure_vector<uint8_t> buf;

         buf.assign(input.begin(), input.end());
         mode.finish(buf);
         result.test_eq(direction + " all-in-one", buf, expected);

         // additionally test update() and process() if possible
         if(input.size() >= update_granularity + min_final_bytes) {
            const size_t max_blocks_to_process = (input.size() - min_final_bytes) / update_granularity;
            const size_t bytes_to_process = max_blocks_to_process * update_granularity;

            // test update, 1 block at a time
            if(max_blocks_to_process > 1) {
               Botan::secure_vector<uint8_t> block(update_granularity);
               buf.clear();

               mode.start(nonce);
               for(size_t i = 0; i != max_blocks_to_process; ++i) {
                  block.assign(input.data() + i * update_granularity, input.data() + (i + 1) * update_granularity);

                  mode.update(block);
                  buf += block;
               }

               Botan::secure_vector<uint8_t> last_bits(input.data() + bytes_to_process, input.data() + input.size());
               mode.finish(last_bits);
               buf += last_bits;

               result.test_eq(direction + " update-1", buf, expected);
            }

            // test update with maximum length input
            buf.assign(input.data(), input.data() + bytes_to_process);
            Botan::secure_vector<uint8_t> last_bits(input.data() + bytes_to_process, input.data() + input.size());

            mode.start(nonce);
            mode.update(buf);
            mode.finish(last_bits);

            buf += last_bits;

            result.test_eq(direction + " update-all", buf, expected);

            // test process with maximum length input
            mode.start(nonce);
            buf.assign(input.begin(), input.end());

            const size_t bytes_written = mode.process(buf.data(), bytes_to_process);

            result.test_eq("correct number of bytes processed", bytes_written, bytes_to_process);

            mode.finish(buf, bytes_to_process);
            result.test_eq(direction + " process", buf, expected);
         }

         mode.clear();
         result.test_eq("key is not set", mode.has_keying_material(), false);

         result.test_throws<Botan::Invalid_State>("Unkeyed object throws after clear", [&]() {
            Botan::secure_vector<uint8_t> bad(min_final_bytes);
            mode.finish(bad);
         });
      }
};

BOTAN_REGISTER_SMOKE_TEST("modes", "cipher_modes", Cipher_Mode_Tests);

class Cipher_Mode_IV_Carry_Tests final : public Test {
   public:
      std::vector<Test::Result> run() override {
         std::vector<Test::Result> results;
         results.push_back(test_cbc_iv_carry());
         results.push_back(test_cfb_iv_carry());
         results.push_back(test_ctr_iv_carry());
         return results;
      }

   private:
      static Test::Result test_cbc_iv_carry() {
         Test::Result result("CBC IV carry");

   #if defined(BOTAN_HAS_MODE_CBC) && defined(BOTAN_HAS_AES)
         std::unique_ptr<Botan::Cipher_Mode> enc(
            Botan::Cipher_Mode::create("AES-128/CBC/PKCS7", Botan::Cipher_Dir::Encryption));
         std::unique_ptr<Botan::Cipher_Mode> dec(
            Botan::Cipher_Mode::create("AES-128/CBC/PKCS7", Botan::Cipher_Dir::Decryption));

         const std::vector<uint8_t> key(16, 0xAA);
         const std::vector<uint8_t> iv(16, 0xAA);

         Botan::secure_vector<uint8_t> msg1 =
            Botan::hex_decode_locked("446F6E27742075736520706C61696E20434243206D6F6465");
         Botan::secure_vector<uint8_t> msg2 = Botan::hex_decode_locked("49562063617272796F766572");
         Botan::secure_vector<uint8_t> msg3 = Botan::hex_decode_locked("49562063617272796F76657232");

         enc->set_key(key);
         dec->set_key(key);

         enc->start(iv);
         enc->finish(msg1);
         result.test_eq("First ciphertext", msg1, "9BDD7300E0CB61CA71FFF957A71605DB6836159C36781246A1ADF50982757F4B");

         enc->start();
         enc->finish(msg2);

         result.test_eq("Second ciphertext", msg2, "AA8D682958A4A044735DAC502B274DB2");

         enc->start();
         enc->finish(msg3);

         result.test_eq("Third ciphertext", msg3, "1241B9976F73051BCF809525D6E86C25");

         dec->start(iv);
         dec->finish(msg1);

         dec->start();
         dec->finish(msg2);

         dec->start();
         dec->finish(msg3);
         result.test_eq("Third plaintext", msg3, "49562063617272796F76657232");

   #endif
         return result;
      }

      static Test::Result test_cfb_iv_carry() {
         Test::Result result("CFB IV carry");
   #if defined(BOTAN_HAS_MODE_CFB) && defined(BOTAN_HAS_AES)
         std::unique_ptr<Botan::Cipher_Mode> enc(
            Botan::Cipher_Mode::create("AES-128/CFB(8)", Botan::Cipher_Dir::Encryption));
         std::unique_ptr<Botan::Cipher_Mode> dec(
            Botan::Cipher_Mode::create("AES-128/CFB(8)", Botan::Cipher_Dir::Decryption));

         const std::vector<uint8_t> key(16, 0xAA);
         const std::vector<uint8_t> iv(16, 0xAB);

         Botan::secure_vector<uint8_t> msg1 = Botan::hex_decode_locked("ABCDEF01234567");
         Botan::secure_vector<uint8_t> msg2 = Botan::hex_decode_locked("0000123456ABCDEF");
         Botan::secure_vector<uint8_t> msg3 = Botan::hex_decode_locked("012345");

         enc->set_key(key);
         dec->set_key(key);

         enc->start(iv);
         enc->finish(msg1);
         result.test_eq("First ciphertext", msg1, "a51522387c4c9b");

         enc->start();
         enc->finish(msg2);

         result.test_eq("Second ciphertext", msg2, "105457dc2e0649d4");

         enc->start();
         enc->finish(msg3);

         result.test_eq("Third ciphertext", msg3, "53bd65");

         dec->start(iv);
         dec->finish(msg1);
         result.test_eq("First plaintext", msg1, "ABCDEF01234567");

         dec->start();
         dec->finish(msg2);
         result.test_eq("Second plaintext", msg2, "0000123456ABCDEF");

         dec->start();
         dec->finish(msg3);
         result.test_eq("Third plaintext", msg3, "012345");
   #endif
         return result;
      }

      static Test::Result test_ctr_iv_carry() {
         Test::Result result("CTR IV carry");
   #if defined(BOTAN_HAS_CTR_BE) && defined(BOTAN_HAS_AES)

         std::unique_ptr<Botan::Cipher_Mode> enc(
            Botan::Cipher_Mode::create("AES-128/CTR-BE", Botan::Cipher_Dir::Encryption));
         std::unique_ptr<Botan::Cipher_Mode> dec(
            Botan::Cipher_Mode::create("AES-128/CTR-BE", Botan::Cipher_Dir::Decryption));

         const std::vector<uint8_t> key = Botan::hex_decode("2B7E151628AED2A6ABF7158809CF4F3C");
         const std::vector<uint8_t> iv = Botan::hex_decode("F0F1F2F3F4F5F6F7F8F9FAFBFCFDFEFF");

         enc->set_key(key);
         dec->set_key(key);

         const std::vector<std::string> exp_ciphertext = {
            "EC",
            "8CDF",
            "739860",
            "7CB0F2D2",
            "1675EA9EA1",
            "E4362B7C3C67",
            "73516318A077D7",
            "FC5073AE6A2CC378",
            "7889374FBEB4C81B17",
            "BA6C44E89C399FF0F198C",
         };

         for(size_t i = 1; i != 10; ++i) {
            if(i == 1) {
               enc->start(iv);
               dec->start(iv);
            } else {
               enc->start();
               dec->start();
            }

            Botan::secure_vector<uint8_t> msg(i, 0);
            enc->finish(msg);

            result.test_eq("Ciphertext", msg, exp_ciphertext[i - 1].c_str());

            dec->finish(msg);

            for(size_t j = 0; j != msg.size(); ++j) {
               result.test_eq("Plaintext zeros", static_cast<size_t>(msg[j]), 0);
            }
         }
   #endif
         return result;
      }
};

BOTAN_REGISTER_TEST("modes", "iv_carryover", Cipher_Mode_IV_Carry_Tests);

#endif

}  // namespace Botan_Tests

1	/*
2	* (C) 2014,2015,2017 Jack Lloyd
3	* (C) 2016 Daniel Neus, Rohde & Schwarz Cybersecurity
4	* (C) 2018 Ribose Inc
5	*
6	* Botan is released under the Simplified BSD License (see license.txt)
7	*/
8
9	#include "tests.h"
10
11	#if defined(BOTAN_HAS_CIPHER_MODES)
12	#include <botan/cipher_mode.h>
13	#endif
14
15	namespace Botan_Tests {
16
17	#if defined(BOTAN_HAS_CIPHER_MODES)
18
19	class Cipher_Mode_Tests final : public Text_Based_Test {	×
20	public:
21	Cipher_Mode_Tests() : Text_Based_Test("modes", "Key,Nonce,In,Out") {}	2✔
22
23	std::vector<std::string> possible_providers(const std::string& algo) override {	1,245✔
24	return provider_filter(Botan::Cipher_Mode::providers(algo));	1,245✔
25	}
26
27	Test::Result run_one_test(const std::string& algo, const VarMap& vars) override {	1,245✔
28	const std::vector<uint8_t> key = vars.get_req_bin("Key");	1,245✔
29	const std::vector<uint8_t> nonce = vars.get_req_bin("Nonce");	1,245✔
30	const std::vector<uint8_t> input = vars.get_req_bin("In");	1,245✔
31	const std::vector<uint8_t> expected = vars.get_req_bin("Out");	1,245✔
32
33	Test::Result result(algo);	2,490✔
34
35	const std::vector<std::string> providers = possible_providers(algo);	1,245✔
36
37	if(providers.empty()) {	1,245✔
38	result.note_missing("cipher mode " + algo);	×
39	return result;	×
40	}
41
42	for(auto&& provider_ask : providers) {	2,490✔
43	auto enc = Botan::Cipher_Mode::create(algo, Botan::Cipher_Dir::Encryption, provider_ask);	1,245✔
44
45	auto dec = Botan::Cipher_Mode::create(algo, Botan::Cipher_Dir::Decryption, provider_ask);	1,245✔
46
47	if(!enc \|\| !dec) {	1,245✔
48	if(enc) {	×
49	result.test_failure("Provider " + provider_ask + " has encrypt but not decrypt");	×
50	}
51	if(dec) {	×
52	result.test_failure("Provider " + provider_ask + " has decrypt but not encrypt");	×
53	}
54	result.note_missing(algo);	×
55	return result;	×
56	}
57
58	result.test_eq("enc and dec granularity is the same", enc->update_granularity(), dec->update_granularity());	1,245✔
59
60	result.test_gt("update granularity is non-zero", enc->update_granularity(), 0);	1,245✔
61
62	result.test_eq(	1,245✔
63	"enc and dec ideal granularity is the same", enc->ideal_granularity(), dec->ideal_granularity());	1,245✔
64
65	result.test_gt(	1,245✔
66	"ideal granularity is at least update granularity", enc->ideal_granularity(), enc->update_granularity());	1,245✔
67
68	result.confirm("ideal granularity is a multiple of update granularity",	2,490✔
69	enc->ideal_granularity() % enc->update_granularity() == 0);	1,245✔
70
71	try {	1,245✔
72	test_mode(result, algo, provider_ask, "encryption", *enc, key, nonce, input, expected, this->rng());	2,490✔
73	} catch(Botan::Exception& e) {	×
74	result.test_failure("Encryption tests failed", e.what());	×
75	}	×
76
77	try {	1,245✔
78	// NOLINTNEXTLINE(*-suspicious-call-argument) intentionally swapping ptext and ctext arguments here
79	test_mode(result, algo, provider_ask, "decryption", *dec, key, nonce, expected, input, this->rng());	2,490✔
80	} catch(Botan::Exception& e) {	×
81	result.test_failure("Decryption tests failed", e.what());	×
82	}	×
83	}	2,490✔
84
85	return result;
86	}	6,225✔
87
88	private:
89	static void test_mode(Test::Result& result,	2,490✔
90	const std::string& algo,
91	const std::string& provider,
92	const std::string& direction,
93	Botan::Cipher_Mode& mode,
94	const std::vector<uint8_t>& key,
95	const std::vector<uint8_t>& nonce,
96	const std::vector<uint8_t>& input,
97	const std::vector<uint8_t>& expected,
98	Botan::RandomNumberGenerator& rng) {
99	const bool is_cbc = (algo.find("/CBC") != std::string::npos);	2,490✔
100	const bool is_ctr = (algo.find("CTR") != std::string::npos);	2,490✔
101
102	result.test_eq("name", mode.name(), algo);	4,980✔
103
104	// Some modes report base even if got from another provider
105	if(mode.provider() != "base") {	2,490✔
106	result.test_eq("provider", mode.provider(), provider);	×
107	}
108
109	result.test_eq("mode not authenticated", mode.authenticated(), false);	2,490✔
110
111	const size_t update_granularity = mode.update_granularity();	2,490✔
112	const size_t min_final_bytes = mode.minimum_final_size();	2,490✔
113
114	// FFI currently requires this, so assure it is true for all modes
115	result.test_gt("buffer sizes ok", mode.ideal_granularity(), min_final_bytes);	2,490✔
116
117	result.test_eq("key not set", mode.has_keying_material(), false);	2,490✔
118
119	result.test_throws<Botan::Invalid_State>("Unkeyed object throws", [&]() {	4,980✔
120	Botan::secure_vector<uint8_t> bad(min_final_bytes);	2,490✔
121	mode.finish(bad);	2,490✔
122	});	×
123
124	if(is_cbc) {	2,490✔
125	// can't test equal due to CBC padding
126
127	if(direction == "encryption") {	658✔
128	result.test_lte("output_length", mode.output_length(input.size()), expected.size());	658✔
129	} else {
130	result.test_gte("output_length", mode.output_length(input.size()), expected.size());	658✔
131	}
132	} else {
133	// assume all other modes are not expanding (currently true)
134	result.test_eq("output_length", mode.output_length(input.size()), expected.size());	3,664✔
135	}
136
137	result.confirm("default nonce size is allowed", mode.valid_nonce_length(mode.default_nonce_length()));	4,980✔
138
139	// Test that disallowed nonce sizes result in an exception
140	static constexpr size_t large_nonce_size = 65000;	2,490✔
141	result.test_eq("Large nonce not allowed", mode.valid_nonce_length(large_nonce_size), false);	2,490✔
142	result.test_throws<Botan::Invalid_Argument>("Large nonce causes exception",	4,980✔
143	[&mode]() { mode.start(nullptr, large_nonce_size); });	4,980✔
144
145	Botan::secure_vector<uint8_t> garbage = rng.random_vec(update_granularity);	2,490✔
146	Botan::secure_vector<uint8_t> ultimate_garbage = rng.random_vec(min_final_bytes);	2,490✔
147
148	// Test to make sure reset() resets what we need it to
149	result.test_throws<Botan::Invalid_State>("Cannot process data (update) until key is set",	4,980✔
150	[&]() { mode.update(garbage); });	4,980✔
151	result.test_throws<Botan::Invalid_State>("Cannot process data (finish) until key is set",	4,980✔
152	[&]() { mode.finish(ultimate_garbage); });	4,980✔
153
154	mode.set_key(mutate_vec(key, rng));	2,490✔
155
156	if(is_ctr == false) {	2,490✔
157	result.test_throws<Botan::Invalid_State>("Cannot process data until nonce is set",	7,458✔
158	[&]() { mode.update(garbage); });	4,972✔
159	}
160
161	mode.start(mutate_vec(nonce, rng));	2,490✔
162	mode.reset();	2,490✔
163
164	if(is_ctr == false) {	2,490✔
165	result.test_throws<Botan::Invalid_State>("Cannot process data until nonce is set (after start/reset)",	7,458✔
166	[&]() { mode.update(garbage); });	4,972✔
167	}
168
169	mode.start(mutate_vec(nonce, rng));	2,490✔
170	mode.update(garbage);	2,490✔
171
172	mode.reset();	2,490✔
173
174	mode.set_key(key);	2,490✔
175	result.test_eq("key is set", mode.has_keying_material(), true);	2,490✔
176	mode.start(nonce);	2,490✔
177
178	Botan::secure_vector<uint8_t> buf;	2,490✔
179
180	buf.assign(input.begin(), input.end());	2,490✔
181	mode.finish(buf);	2,490✔
182	result.test_eq(direction + " all-in-one", buf, expected);	4,980✔
183
184	// additionally test update() and process() if possible
185	if(input.size() >= update_granularity + min_final_bytes) {	2,490✔
186	const size_t max_blocks_to_process = (input.size() - min_final_bytes) / update_granularity;	2,165✔
187	const size_t bytes_to_process = max_blocks_to_process * update_granularity;	2,165✔
188
189	// test update, 1 block at a time
190	if(max_blocks_to_process > 1) {	2,165✔
191	Botan::secure_vector<uint8_t> block(update_granularity);	1,785✔
192	buf.clear();	1,785✔
193
194	mode.start(nonce);	1,785✔
195	for(size_t i = 0; i != max_blocks_to_process; ++i) {	15,425✔
196	block.assign(input.data() + i * update_granularity, input.data() + (i + 1) * update_granularity);	13,640✔
197
198	mode.update(block);	13,640✔
199	buf += block;	13,640✔
200	}
201
202	Botan::secure_vector<uint8_t> last_bits(input.data() + bytes_to_process, input.data() + input.size());	1,785✔
203	mode.finish(last_bits);	1,785✔
204	buf += last_bits;	1,785✔
205
206	result.test_eq(direction + " update-1", buf, expected);	3,570✔
207	}	3,570✔
208
209	// test update with maximum length input
210	buf.assign(input.data(), input.data() + bytes_to_process);	2,165✔
211	Botan::secure_vector<uint8_t> last_bits(input.data() + bytes_to_process, input.data() + input.size());	2,165✔
212
213	mode.start(nonce);	2,165✔
214	mode.update(buf);	2,165✔
215	mode.finish(last_bits);	2,165✔
216
217	buf += last_bits;	2,165✔
218
219	result.test_eq(direction + " update-all", buf, expected);	4,330✔
220
221	// test process with maximum length input
222	mode.start(nonce);	2,165✔
223	buf.assign(input.begin(), input.end());	2,165✔
224
225	const size_t bytes_written = mode.process(buf.data(), bytes_to_process);	2,165✔
226
227	result.test_eq("correct number of bytes processed", bytes_written, bytes_to_process);	2,165✔
228
229	mode.finish(buf, bytes_to_process);	2,165✔
230	result.test_eq(direction + " process", buf, expected);	4,330✔
231	}	2,165✔
232
233	mode.clear();	2,490✔
234	result.test_eq("key is not set", mode.has_keying_material(), false);	2,490✔
235
236	result.test_throws<Botan::Invalid_State>("Unkeyed object throws after clear", [&]() {	7,470✔
237	Botan::secure_vector<uint8_t> bad(min_final_bytes);	2,490✔
238	mode.finish(bad);	2,490✔
239	});	×
240	}	7,027✔
241	};
242
243	BOTAN_REGISTER_SMOKE_TEST("modes", "cipher_modes", Cipher_Mode_Tests);
244
245	class Cipher_Mode_IV_Carry_Tests final : public Test {	×
246	public:
247	std::vector<Test::Result> run() override {	1✔
248	std::vector<Test::Result> results;	1✔
249	results.push_back(test_cbc_iv_carry());	2✔
250	results.push_back(test_cfb_iv_carry());	2✔
251	results.push_back(test_ctr_iv_carry());	2✔
252	return results;	1✔
253	}	×
254
255	private:
256	static Test::Result test_cbc_iv_carry() {	1✔
257	Test::Result result("CBC IV carry");	1✔
258
259	#if defined(BOTAN_HAS_MODE_CBC) && defined(BOTAN_HAS_AES)
260	std::unique_ptr<Botan::Cipher_Mode> enc(	1✔
261	Botan::Cipher_Mode::create("AES-128/CBC/PKCS7", Botan::Cipher_Dir::Encryption));	1✔
262	std::unique_ptr<Botan::Cipher_Mode> dec(	1✔
263	Botan::Cipher_Mode::create("AES-128/CBC/PKCS7", Botan::Cipher_Dir::Decryption));	1✔
264
265	const std::vector<uint8_t> key(16, 0xAA);	1✔
266	const std::vector<uint8_t> iv(16, 0xAA);	1✔
267
268	Botan::secure_vector<uint8_t> msg1 =	1✔
269	Botan::hex_decode_locked("446F6E27742075736520706C61696E20434243206D6F6465");	1✔
270	Botan::secure_vector<uint8_t> msg2 = Botan::hex_decode_locked("49562063617272796F766572");	1✔
271	Botan::secure_vector<uint8_t> msg3 = Botan::hex_decode_locked("49562063617272796F76657232");	1✔
272
273	enc->set_key(key);	1✔
274	dec->set_key(key);	1✔
275
276	enc->start(iv);	1✔
277	enc->finish(msg1);	1✔
278	result.test_eq("First ciphertext", msg1, "9BDD7300E0CB61CA71FFF957A71605DB6836159C36781246A1ADF50982757F4B");	1✔
279
280	enc->start();	1✔
281	enc->finish(msg2);	1✔
282
283	result.test_eq("Second ciphertext", msg2, "AA8D682958A4A044735DAC502B274DB2");	1✔
284
285	enc->start();	1✔
286	enc->finish(msg3);	1✔
287
288	result.test_eq("Third ciphertext", msg3, "1241B9976F73051BCF809525D6E86C25");	1✔
289
290	dec->start(iv);	1✔
291	dec->finish(msg1);	1✔
292
293	dec->start();	1✔
294	dec->finish(msg2);	1✔
295
296	dec->start();	1✔
297	dec->finish(msg3);	1✔
298	result.test_eq("Third plaintext", msg3, "49562063617272796F76657232");	1✔
299
300	#endif
301	return result;	1✔
302	}	7✔
303
304	static Test::Result test_cfb_iv_carry() {	1✔
305	Test::Result result("CFB IV carry");	1✔
306	#if defined(BOTAN_HAS_MODE_CFB) && defined(BOTAN_HAS_AES)
307	std::unique_ptr<Botan::Cipher_Mode> enc(	1✔
308	Botan::Cipher_Mode::create("AES-128/CFB(8)", Botan::Cipher_Dir::Encryption));	1✔
309	std::unique_ptr<Botan::Cipher_Mode> dec(	1✔
310	Botan::Cipher_Mode::create("AES-128/CFB(8)", Botan::Cipher_Dir::Decryption));	1✔
311
312	const std::vector<uint8_t> key(16, 0xAA);	1✔
313	const std::vector<uint8_t> iv(16, 0xAB);	1✔
314
315	Botan::secure_vector<uint8_t> msg1 = Botan::hex_decode_locked("ABCDEF01234567");	1✔
316	Botan::secure_vector<uint8_t> msg2 = Botan::hex_decode_locked("0000123456ABCDEF");	1✔
317	Botan::secure_vector<uint8_t> msg3 = Botan::hex_decode_locked("012345");	1✔
318
319	enc->set_key(key);	1✔
320	dec->set_key(key);	1✔
321
322	enc->start(iv);	1✔
323	enc->finish(msg1);	1✔
324	result.test_eq("First ciphertext", msg1, "a51522387c4c9b");	1✔
325
326	enc->start();	1✔
327	enc->finish(msg2);	1✔
328
329	result.test_eq("Second ciphertext", msg2, "105457dc2e0649d4");	1✔
330
331	enc->start();	1✔
332	enc->finish(msg3);	1✔
333
334	result.test_eq("Third ciphertext", msg3, "53bd65");	1✔
335
336	dec->start(iv);	1✔
337	dec->finish(msg1);	1✔
338	result.test_eq("First plaintext", msg1, "ABCDEF01234567");	1✔
339
340	dec->start();	1✔
341	dec->finish(msg2);	1✔
342	result.test_eq("Second plaintext", msg2, "0000123456ABCDEF");	1✔
343
344	dec->start();	1✔
345	dec->finish(msg3);	1✔
346	result.test_eq("Third plaintext", msg3, "012345");	1✔
347	#endif
348	return result;	1✔
349	}	7✔
350
351	static Test::Result test_ctr_iv_carry() {	1✔
352	Test::Result result("CTR IV carry");	1✔
353	#if defined(BOTAN_HAS_CTR_BE) && defined(BOTAN_HAS_AES)
354
355	std::unique_ptr<Botan::Cipher_Mode> enc(	1✔
356	Botan::Cipher_Mode::create("AES-128/CTR-BE", Botan::Cipher_Dir::Encryption));	1✔
357	std::unique_ptr<Botan::Cipher_Mode> dec(	1✔
358	Botan::Cipher_Mode::create("AES-128/CTR-BE", Botan::Cipher_Dir::Decryption));	1✔
359
360	const std::vector<uint8_t> key = Botan::hex_decode("2B7E151628AED2A6ABF7158809CF4F3C");	1✔
361	const std::vector<uint8_t> iv = Botan::hex_decode("F0F1F2F3F4F5F6F7F8F9FAFBFCFDFEFF");	1✔
362
363	enc->set_key(key);	1✔
364	dec->set_key(key);	1✔
365
366	const std::vector<std::string> exp_ciphertext = {	1✔
367	"EC",
368	"8CDF",
369	"739860",
370	"7CB0F2D2",
371	"1675EA9EA1",
372	"E4362B7C3C67",
373	"73516318A077D7",
374	"FC5073AE6A2CC378",
375	"7889374FBEB4C81B17",
376	"BA6C44E89C399FF0F198C",
377	};	1✔
378
379	for(size_t i = 1; i != 10; ++i) {	10✔
380	if(i == 1) {	9✔
381	enc->start(iv);	1✔
382	dec->start(iv);	1✔
383	} else {
384	enc->start();	8✔
385	dec->start();	8✔
386	}
387
388	Botan::secure_vector<uint8_t> msg(i, 0);	9✔
389	enc->finish(msg);	9✔
390
391	result.test_eq("Ciphertext", msg, exp_ciphertext[i - 1].c_str());	9✔
392
393	dec->finish(msg);	9✔
394
395	for(size_t j = 0; j != msg.size(); ++j) {	54✔
396	result.test_eq("Plaintext zeros", static_cast<size_t>(msg[j]), 0);	90✔
397	}
398	}	9✔
399	#endif
400	return result;	2✔
401	}	5✔
402	};
403
404	BOTAN_REGISTER_TEST("modes", "iv_carryover", Cipher_Mode_IV_Carry_Tests);
405
406	#endif
407
408	} // namespace Botan_Tests

randombit / botan / 16245106037

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