5079590438

Committed 25 May 2023 12:28PM UTC coverage: 92.228% (+0.5%) from 91.723%

Build # 5079590438

Build Type

Pull #3502

github

Pull Request Pull Request #3502: Apply clang-format to the codebase

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85.14

/src/tests/test_tss.cpp

/*
* (C) 2009 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include "tests.h"

#if defined(BOTAN_HAS_THRESHOLD_SECRET_SHARING)
   #include "test_rng.h"
   #include <botan/tss.h>
#endif

namespace Botan_Tests {

namespace {

#if defined(BOTAN_HAS_THRESHOLD_SECRET_SHARING)

class TSS_Recovery_Tests final : public Text_Based_Test {
   public:
      TSS_Recovery_Tests() : Text_Based_Test("tss/recovery.vec", "N,M,Shares,Recovered") {}

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

         const std::vector<uint8_t> input = vars.get_req_bin("Recovered");
         const size_t N = vars.get_req_sz("N");
         const size_t M = vars.get_req_sz("M");
         const std::vector<std::vector<uint8_t>> expected_shares = vars.get_req_bin_list("Shares");

         try {
            std::vector<Botan::RTSS_Share> shares;
            shares.reserve(expected_shares.size());

            for(auto&& v : expected_shares) {
               shares.push_back(Botan::RTSS_Share(v.data(), v.size()));
            }

            auto reconstructed_secret_all = Botan::RTSS_Share::reconstruct(shares);
            result.test_eq("Reconstructed secret correctly from all shares", reconstructed_secret_all, input);

            if(header == "Invalid")
               result.test_failure("Invalid shares should not result in recovery");

            if(N != M) {
               while(shares.size() > M) {
                  size_t to_remove = Test::rng().next_byte() % shares.size();
                  shares.erase(shares.begin() + to_remove);
                  try {
                     auto reconstructed_secret = Botan::RTSS_Share::reconstruct(shares);
                     result.test_eq("Reconstructed secret correctly from reduced shares", reconstructed_secret, input);
                  } catch(Botan::Decoding_Error&) {
                     result.test_failure("Reconstruction failed with share count " + std::to_string(shares.size()));
                  }
               }
            }

         } catch(std::exception& e) {
            if(header == "Valid")
               result.test_failure("Valid TSS failed to recover", e.what());
            else
               result.test_success("Invalid TSS rejected as expected");
         }

         return result;
      }
};

BOTAN_REGISTER_TEST("utils", "tss_recovery", TSS_Recovery_Tests);

class TSS_Generation_Tests final : public Text_Based_Test {
   public:
      TSS_Generation_Tests() : Text_Based_Test("tss/generation.vec", "Input,RNG,Hash,Id,N,M,Shares") {}

      static size_t tss_hash_len(const std::string& hash) {
         if(hash == "None")
            return 0;
         else if(hash == "SHA-1")
            return 20;
         else if(hash == "SHA-256")
            return 32;
         else
            throw Test_Error("Unknown TSS hash algorithm " + hash);
      }

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

         const std::vector<uint8_t> input = vars.get_req_bin("Input");
         const std::vector<uint8_t> id = vars.get_req_bin("Id");
         const std::vector<uint8_t> rng_data = vars.get_req_bin("RNG");
         const uint8_t N = vars.get_req_u8("N");
         const uint8_t M = vars.get_req_u8("M");
         const std::string hash = vars.get_req_str("Hash");
         const std::vector<std::vector<uint8_t>> expected_shares = vars.get_req_bin_list("Shares");

         if(expected_shares.size() != N)
            throw Test_Error("Invalid test data for TSS share count != N");

         if(rng_data.size() != (input.size() + tss_hash_len(hash)) * (M - 1))
            throw Test_Error("Invalid test data for TSS share bad RNG input size");

         Fixed_Output_RNG fixed_rng(rng_data);

         std::vector<Botan::RTSS_Share> shares =
            Botan::RTSS_Share::split(M, N, input.data(), static_cast<uint16_t>(input.size()), id, hash, fixed_rng);

         result.test_eq("Expected number of shares", shares.size(), N);

         for(size_t i = 0; i != N; ++i) {
            result.test_eq("Expected share", shares[i].data(), expected_shares[i]);
         }

         auto reconstructed_secret_all = Botan::RTSS_Share::reconstruct(shares);
         result.test_eq("Reconstructed secret correctly from all shares", reconstructed_secret_all, input);

         if(N != M) {
            while(shares.size() > M) {
               size_t to_remove = Test::rng().next_byte() % shares.size();
               shares.erase(shares.begin() + to_remove);

               try {
                  auto reconstructed_secret = Botan::RTSS_Share::reconstruct(shares);
                  result.test_eq("Reconstructed secret correctly from reduced shares", reconstructed_secret, input);
               } catch(Botan::Decoding_Error&) {
                  result.test_failure("Reconstruction failed with share count " + std::to_string(shares.size()));
               }
            }
         }

         return result;
      }
};

BOTAN_REGISTER_TEST("utils", "tss_generation", TSS_Generation_Tests);

#endif  // BOTAN_HAS_THRESHOLD_SECRET_SHARING

}

}

1	/*
2	* (C) 2009 Jack Lloyd
3	*
4	* Botan is released under the Simplified BSD License (see license.txt)
5	*/
6
7	#include "tests.h"
8
9	#if defined(BOTAN_HAS_THRESHOLD_SECRET_SHARING)
10	#include "test_rng.h"
11	#include <botan/tss.h>
12	#endif
13
14	namespace Botan_Tests {
15
16	namespace {
17
18	#if defined(BOTAN_HAS_THRESHOLD_SECRET_SHARING)
19
20	class TSS_Recovery_Tests final : public Text_Based_Test {	×
21	public:
22	TSS_Recovery_Tests() : Text_Based_Test("tss/recovery.vec", "N,M,Shares,Recovered") {}	3✔
23
24	Test::Result run_one_test(const std::string& header, const VarMap& vars) override {	4✔
25	Test::Result result("TSS");	4✔
26
27	const std::vector<uint8_t> input = vars.get_req_bin("Recovered");	4✔
28	const size_t N = vars.get_req_sz("N");	4✔
29	const size_t M = vars.get_req_sz("M");	4✔
30	const std::vector<std::vector<uint8_t>> expected_shares = vars.get_req_bin_list("Shares");	4✔
31
32	try {	4✔
33	std::vector<Botan::RTSS_Share> shares;	4✔
34	shares.reserve(expected_shares.size());	4✔
35
36	for(auto&& v : expected_shares) {	17✔
37	shares.push_back(Botan::RTSS_Share(v.data(), v.size()));	26✔
38	}
39
40	auto reconstructed_secret_all = Botan::RTSS_Share::reconstruct(shares);	4✔
41	result.test_eq("Reconstructed secret correctly from all shares", reconstructed_secret_all, input);	3✔
42
43	if(header == "Invalid")	3✔
44	result.test_failure("Invalid shares should not result in recovery");	×
45
46	if(N != M) {	3✔
47	while(shares.size() > M) {	6✔
48	size_t to_remove = Test::rng().next_byte() % shares.size();	4✔
49	shares.erase(shares.begin() + to_remove);	4✔
50	try {	4✔
51	auto reconstructed_secret = Botan::RTSS_Share::reconstruct(shares);	4✔
52	result.test_eq("Reconstructed secret correctly from reduced shares", reconstructed_secret, input);	8✔
53	} catch(Botan::Decoding_Error&) {	4✔
54	result.test_failure("Reconstruction failed with share count " + std::to_string(shares.size()));	×
55	}	×
56	}
57	}
58
59	} catch(std::exception& e) {	5✔
60	if(header == "Valid")	1✔
61	result.test_failure("Valid TSS failed to recover", e.what());	×
62	else
63	result.test_success("Invalid TSS rejected as expected");	2✔
64	}	1✔
65
66	return result;	8✔
67	}	8✔
68	};
69
70	BOTAN_REGISTER_TEST("utils", "tss_recovery", TSS_Recovery_Tests);
71
72	class TSS_Generation_Tests final : public Text_Based_Test {	×
73	public:
74	TSS_Generation_Tests() : Text_Based_Test("tss/generation.vec", "Input,RNG,Hash,Id,N,M,Shares") {}	3✔
75
76	static size_t tss_hash_len(const std::string& hash) {	6✔
77	if(hash == "None")	6✔
78	return 0;
79	else if(hash == "SHA-1")	2✔
80	return 20;
81	else if(hash == "SHA-256")	1✔
82	return 32;
83	else
84	throw Test_Error("Unknown TSS hash algorithm " + hash);	×
85	}
86
87	Test::Result run_one_test(const std::string& /header/, const VarMap& vars) override {	6✔
88	Test::Result result("TSS");	6✔
89
90	const std::vector<uint8_t> input = vars.get_req_bin("Input");	6✔
91	const std::vector<uint8_t> id = vars.get_req_bin("Id");	6✔
92	const std::vector<uint8_t> rng_data = vars.get_req_bin("RNG");	6✔
93	const uint8_t N = vars.get_req_u8("N");	6✔
94	const uint8_t M = vars.get_req_u8("M");	6✔
95	const std::string hash = vars.get_req_str("Hash");	6✔
96	const std::vector<std::vector<uint8_t>> expected_shares = vars.get_req_bin_list("Shares");	6✔
97
98	if(expected_shares.size() != N)	6✔
99	throw Test_Error("Invalid test data for TSS share count != N");	×
100
101	if(rng_data.size() != (input.size() + tss_hash_len(hash)) * (M - 1))	6✔
102	throw Test_Error("Invalid test data for TSS share bad RNG input size");	×
103
104	Fixed_Output_RNG fixed_rng(rng_data);	6✔
105
106	std::vector<Botan::RTSS_Share> shares =	6✔
107	Botan::RTSS_Share::split(M, N, input.data(), static_cast<uint16_t>(input.size()), id, hash, fixed_rng);	6✔
108
109	result.test_eq("Expected number of shares", shares.size(), N);	6✔
110
111	for(size_t i = 0; i != N; ++i) {	40✔
112	result.test_eq("Expected share", shares[i].data(), expected_shares[i]);	68✔
113	}
114
115	auto reconstructed_secret_all = Botan::RTSS_Share::reconstruct(shares);	6✔
116	result.test_eq("Reconstructed secret correctly from all shares", reconstructed_secret_all, input);	6✔
117
118	if(N != M) {	6✔
119	while(shares.size() > M) {	21✔
120	size_t to_remove = Test::rng().next_byte() % shares.size();	17✔
121	shares.erase(shares.begin() + to_remove);	17✔
122
123	try {	17✔
124	auto reconstructed_secret = Botan::RTSS_Share::reconstruct(shares);	17✔
125	result.test_eq("Reconstructed secret correctly from reduced shares", reconstructed_secret, input);	34✔
126	} catch(Botan::Decoding_Error&) {	17✔
127	result.test_failure("Reconstruction failed with share count " + std::to_string(shares.size()));	×
128	}	×
129	}
130	}
131
132	return result;	6✔
133	}	24✔
134	};
135
136	BOTAN_REGISTER_TEST("utils", "tss_generation", TSS_Generation_Tests);
137
138	#endif // BOTAN_HAS_THRESHOLD_SECRET_SHARING
139
140	}
141
142	}

randombit / botan / 5079590438

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