21780928802

Committed 07 Feb 2026 01:36PM UTC coverage: 90.068% (+0.003%) from 90.065%

Build # 21780928802

Build Type

Pull #5295

github

Committed by

web-flow

Commit Message

Merge cbabeb61a into ebf8f0044

Pull Request Pull Request #5295: Reduce header dependencies in tests and cli

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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/exceptn.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) {
                  const size_t to_remove = this->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) {
               const size_t to_remove = this->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

}  // namespace

}  // namespace Botan_Tests

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/exceptn.h>
12	#include <botan/tss.h>
13	#endif
14
15	namespace Botan_Tests {
16
17	namespace {
18
19	#if defined(BOTAN_HAS_THRESHOLD_SECRET_SHARING)
20
21	class TSS_Recovery_Tests final : public Text_Based_Test {	×
22	public:
23	TSS_Recovery_Tests() : Text_Based_Test("tss/recovery.vec", "N,M,Shares,Recovered") {}	2✔
24
25	Test::Result run_one_test(const std::string& header, const VarMap& vars) override {	4✔
26	Test::Result result("TSS");	4✔
27
28	const std::vector<uint8_t> input = vars.get_req_bin("Recovered");	4✔
29	const size_t N = vars.get_req_sz("N");	4✔
30	const size_t M = vars.get_req_sz("M");	4✔
31	const std::vector<std::vector<uint8_t>> expected_shares = vars.get_req_bin_list("Shares");	4✔
32
33	try {	4✔
34	std::vector<Botan::RTSS_Share> shares;	4✔
35	shares.reserve(expected_shares.size());	4✔
36
37	for(auto&& v : expected_shares) {	17✔
38	shares.push_back(Botan::RTSS_Share(v.data(), v.size()));	26✔
39	}
40
41	auto reconstructed_secret_all = Botan::RTSS_Share::reconstruct(shares);	4✔
42	result.test_eq("Reconstructed secret correctly from all shares", reconstructed_secret_all, input);	6✔
43
44	if(header == "Invalid") {	3✔
45	result.test_failure("Invalid shares should not result in recovery");	×
46	}
47
48	if(N != M) {	3✔
49	while(shares.size() > M) {	6✔
50	const size_t to_remove = this->rng().next_byte() % shares.size();	4✔
51	shares.erase(shares.begin() + to_remove);	4✔
52	try {	4✔
53	auto reconstructed_secret = Botan::RTSS_Share::reconstruct(shares);	4✔
54	result.test_eq("Reconstructed secret correctly from reduced shares", reconstructed_secret, input);	8✔
55	} catch(Botan::Decoding_Error&) {	4✔
56	result.test_failure("Reconstruction failed with share count " + std::to_string(shares.size()));	×
57	}	×
58	}
59	}
60
61	} catch(std::exception& e) {	5✔
62	if(header == "Valid") {	1✔
63	result.test_failure("Valid TSS failed to recover", e.what());	×
64	} else {
65	result.test_success("Invalid TSS rejected as expected");	2✔
66	}
67	}	1✔
68
69	return result;	8✔
70	}	8✔
71	};
72
73	BOTAN_REGISTER_TEST("utils", "tss_recovery", TSS_Recovery_Tests);
74
75	class TSS_Generation_Tests final : public Text_Based_Test {	×
76	public:
77	TSS_Generation_Tests() : Text_Based_Test("tss/generation.vec", "Input,RNG,Hash,Id,N,M,Shares") {}	2✔
78
79	static size_t tss_hash_len(const std::string& hash) {	6✔
80	if(hash == "None") {	6✔
81	return 0;
82	} else if(hash == "SHA-1") {	2✔
83	return 20;
84	} else if(hash == "SHA-256") {	1✔
85	return 32;
86	} else {
87	throw Test_Error("Unknown TSS hash algorithm " + hash);	×
88	}
89	}
90
91	Test::Result run_one_test(const std::string& /header/, const VarMap& vars) override {	6✔
92	Test::Result result("TSS");	6✔
93
94	const std::vector<uint8_t> input = vars.get_req_bin("Input");	6✔
95	const std::vector<uint8_t> id = vars.get_req_bin("Id");	6✔
96	const std::vector<uint8_t> rng_data = vars.get_req_bin("RNG");	6✔
97	const uint8_t N = vars.get_req_u8("N");	6✔
98	const uint8_t M = vars.get_req_u8("M");	6✔
99	const std::string hash = vars.get_req_str("Hash");	6✔
100	const std::vector<std::vector<uint8_t>> expected_shares = vars.get_req_bin_list("Shares");	6✔
101
102	if(expected_shares.size() != N) {	6✔
103	throw Test_Error("Invalid test data for TSS share count != N");	×
104	}
105
106	if(rng_data.size() != (input.size() + tss_hash_len(hash)) * (M - 1)) {	6✔
107	throw Test_Error("Invalid test data for TSS share bad RNG input size");	×
108	}
109
110	Fixed_Output_RNG fixed_rng(rng_data);	6✔
111
112	std::vector<Botan::RTSS_Share> shares =	6✔
113	Botan::RTSS_Share::split(M, N, input.data(), static_cast<uint16_t>(input.size()), id, hash, fixed_rng);	6✔
114
115	result.test_eq("Expected number of shares", shares.size(), N);	6✔
116
117	for(size_t i = 0; i != N; ++i) {	40✔
118	result.test_eq("Expected share", shares[i].data(), expected_shares[i]);	68✔
119	}
120
121	auto reconstructed_secret_all = Botan::RTSS_Share::reconstruct(shares);	6✔
122	result.test_eq("Reconstructed secret correctly from all shares", reconstructed_secret_all, input);	12✔
123
124	if(N != M) {	6✔
125	while(shares.size() > M) {	21✔
126	const size_t to_remove = this->rng().next_byte() % shares.size();	17✔
127	shares.erase(shares.begin() + to_remove);	17✔
128
129	try {	17✔
130	auto reconstructed_secret = Botan::RTSS_Share::reconstruct(shares);	17✔
131	result.test_eq("Reconstructed secret correctly from reduced shares", reconstructed_secret, input);	34✔
132	} catch(Botan::Decoding_Error&) {	17✔
133	result.test_failure("Reconstruction failed with share count " + std::to_string(shares.size()));	×
134	}	×
135	}
136	}
137
138	return result;	6✔
139	}	24✔
140	};
141
142	BOTAN_REGISTER_TEST("utils", "tss_generation", TSS_Generation_Tests);
143
144	#endif // BOTAN_HAS_THRESHOLD_SECRET_SHARING
145
146	} // namespace
147
148	} // namespace Botan_Tests

randombit / botan / 21780928802

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