5111374265

Committed 29 May 2023 11:19AM UTC coverage: 92.227% (+0.5%) from 91.723%

Build # 5111374265

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github

Committed by

randombit

Commit Message

Next release will be 3.1.0. Update release notes

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80.0

/src/tests/test_pk_pad.cpp

/*
* (C) 2016 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include "tests.h"

#if defined(BOTAN_HAS_PK_PADDING)
   #include <botan/internal/emsa.h>
#endif

#if defined(BOTAN_HAS_EME_PKCS1)
   #include <botan/internal/eme_pkcs.h>
#endif

namespace Botan_Tests {

#if defined(BOTAN_HAS_EME_PKCS1)

class EME_PKCS1v15_Decoding_Tests final : public Text_Based_Test {
   public:
      EME_PKCS1v15_Decoding_Tests() : Text_Based_Test("pk_pad_eme/pkcs1.vec", "RawCiphertext", "Plaintext") {}

      Test::Result run_one_test(const std::string& hdr, const VarMap& vars) override {
         const bool is_valid = (hdr == "valid");

         Test::Result result("PKCSv15 Decoding");

         Botan::EME_PKCS1v15 pkcs;

         const std::vector<uint8_t> ciphertext = vars.get_req_bin("RawCiphertext");
         const std::vector<uint8_t> plaintext = vars.get_opt_bin("Plaintext");

         if(is_valid == false) {
            result.test_eq("Plaintext value should be empty for invalid EME inputs", plaintext.size(), 0);
         }

         uint8_t valid_mask = 0;
         Botan::secure_vector<uint8_t> decoded = pkcs.unpad(valid_mask, ciphertext.data(), ciphertext.size());

         result.confirm("EME valid_mask has expected value", valid_mask == 0x00 || valid_mask == 0xFF);
         result.test_eq("EME decoding valid/invalid matches", valid_mask == 0xFF, is_valid);

         if(valid_mask == 0xFF) {
            result.test_eq("EME decoded plaintext correct", decoded, plaintext);
         } else {
            bool all_zeros = true;
            for(size_t i = 0; i != decoded.size(); ++i)
               if(decoded[i] != 0)
                  all_zeros = false;

            result.confirm("On invalid padding output is all zero", all_zeros);
         }

         // TODO: also test that encoding is accepted

         return result;
      }
};

BOTAN_REGISTER_TEST("pubkey", "eme_pkcs1v15", EME_PKCS1v15_Decoding_Tests);

class EMSA_unit_tests final : public Test {
   public:
      std::vector<Test::Result> run() override {
         Test::Result name_tests("EMSA_name_tests");

         std::vector<std::string> pads_need_hash = {
   #if BOTAN_HAS_EMSA_X931
            "EMSA2",
   #endif
   #if BOTAN_HAS_EMSA_PKCS1
            "EMSA3",
   #endif
   #if BOTAN_HAS_EMSA_PSSR
            "EMSA4",
            "PSSR_Raw",
   #endif
   #if BOTAN_HAS_ISO_9796
            "ISO_9796_DS2",
            "ISO_9796_DS3",
   #endif
         };

         std::vector<std::string> pads_no_hash = {
   #if BOTAN_HAS_EMSA_RAW
            "Raw",
   #endif
   #if BOTAN_HAS_EMSA_PKCS1
            "EMSA3(Raw)",
            "EMSA3(Raw,SHA-512)",
   #endif
         };

         for(const auto& pad : pads_need_hash) {
            try {
               const std::string hash_to_use = "SHA-256";
               auto emsa_1 = Botan::EMSA::create(pad + "(" + hash_to_use + ")");
               auto emsa_2 = Botan::EMSA::create(emsa_1->name());
               name_tests.test_eq("EMSA_name_test for " + pad, emsa_1->name(), emsa_2->name());
            } catch(Botan::Lookup_Error&) {
               name_tests.test_note("Skipping test due to missing hash");
            } catch(const std::exception& e) { name_tests.test_failure("EMSA_name_test for " + pad + ": " + e.what()); }
         }

         for(const auto& pad : pads_need_hash) {
            std::string algo_name = pad + "(YYZ)";
            try {
               auto emsa = Botan::EMSA::create_or_throw(algo_name);
               name_tests.test_failure("EMSA_name_test for " + pad + ": " + "Could create EMSA with fantasy hash YYZ");
            } catch(Botan::Lookup_Error&) {
               name_tests.test_note("Skipping test due to missing hash");
            } catch(const std::exception& e) {
               name_tests.test_eq(
                  "EMSA_name_test for " + pad, e.what(), "Could not find any algorithm named \"" + algo_name + "\"");
            }
         }

         for(const auto& pad : pads_no_hash) {
            try {
               auto emsa_1 = Botan::EMSA::create(pad);
               auto emsa_2 = Botan::EMSA::create(emsa_1->name());
               name_tests.test_eq("EMSA_name_test for " + pad, emsa_1->name(), emsa_2->name());
            } catch(Botan::Lookup_Error&) {
               name_tests.test_note("Skipping test due to missing hash");
            } catch(const std::exception& e) { name_tests.test_failure("EMSA_name_test for " + pad + ": " + e.what()); }
         }

         return {name_tests};
      }
};

BOTAN_REGISTER_TEST("pubkey", "pk_pad_emsa_unit", EMSA_unit_tests);

#endif

}  // namespace Botan_Tests

1	/*
2	* (C) 2016 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_PK_PADDING)
10	#include <botan/internal/emsa.h>
11	#endif
12
13	#if defined(BOTAN_HAS_EME_PKCS1)
14	#include <botan/internal/eme_pkcs.h>
15	#endif
16
17	namespace Botan_Tests {
18
19	#if defined(BOTAN_HAS_EME_PKCS1)
20
21	class EME_PKCS1v15_Decoding_Tests final : public Text_Based_Test {	×
22	public:
23	EME_PKCS1v15_Decoding_Tests() : Text_Based_Test("pk_pad_eme/pkcs1.vec", "RawCiphertext", "Plaintext") {}	2✔
24
25	Test::Result run_one_test(const std::string& hdr, const VarMap& vars) override {	18✔
26	const bool is_valid = (hdr == "valid");	18✔
27
28	Test::Result result("PKCSv15 Decoding");	18✔
29
30	Botan::EME_PKCS1v15 pkcs;	18✔
31
32	const std::vector<uint8_t> ciphertext = vars.get_req_bin("RawCiphertext");	18✔
33	const std::vector<uint8_t> plaintext = vars.get_opt_bin("Plaintext");	18✔
34
35	if(is_valid == false) {	18✔
36	result.test_eq("Plaintext value should be empty for invalid EME inputs", plaintext.size(), 0);	22✔
37	}
38
39	uint8_t valid_mask = 0;	18✔
40	Botan::secure_vector<uint8_t> decoded = pkcs.unpad(valid_mask, ciphertext.data(), ciphertext.size());	18✔
41
42	result.confirm("EME valid_mask has expected value", valid_mask == 0x00 \|\| valid_mask == 0xFF);	36✔
43	result.test_eq("EME decoding valid/invalid matches", valid_mask == 0xFF, is_valid);	18✔
44
45	if(valid_mask == 0xFF) {	18✔
46	result.test_eq("EME decoded plaintext correct", decoded, plaintext);	14✔
47	} else {
48	bool all_zeros = true;
49	for(size_t i = 0; i != decoded.size(); ++i)	11✔
50	if(decoded[i] != 0)	×
51	all_zeros = false;	×
52
53	result.confirm("On invalid padding output is all zero", all_zeros);	33✔
54	}
55
56	// TODO: also test that encoding is accepted
57
58	return result;	36✔
59	}	43✔
60	};
61
62	BOTAN_REGISTER_TEST("pubkey", "eme_pkcs1v15", EME_PKCS1v15_Decoding_Tests);
63
64	class EMSA_unit_tests final : public Test {	×
65	public:
66	std::vector<Test::Result> run() override {	1✔
67	Test::Result name_tests("EMSA_name_tests");	1✔
68
69	std::vector<std::string> pads_need_hash = {	1✔
70	#if BOTAN_HAS_EMSA_X931
71	"EMSA2",
72	#endif
73	#if BOTAN_HAS_EMSA_PKCS1
74	"EMSA3",
75	#endif
76	#if BOTAN_HAS_EMSA_PSSR
77	"EMSA4",
78	"PSSR_Raw",
79	#endif
80	#if BOTAN_HAS_ISO_9796
81	"ISO_9796_DS2",
82	"ISO_9796_DS3",
83	#endif
84	};	7✔
85
86	std::vector<std::string> pads_no_hash = {	1✔
87	#if BOTAN_HAS_EMSA_RAW
88	"Raw",
89	#endif
90	#if BOTAN_HAS_EMSA_PKCS1
91	"EMSA3(Raw)",
92	"EMSA3(Raw,SHA-512)",
93	#endif
94	};	4✔
95
96	for(const auto& pad : pads_need_hash) {	7✔
97	try {	6✔
98	const std::string hash_to_use = "SHA-256";	6✔
99	auto emsa_1 = Botan::EMSA::create(pad + "(" + hash_to_use + ")");	12✔
100	auto emsa_2 = Botan::EMSA::create(emsa_1->name());	6✔
101	name_tests.test_eq("EMSA_name_test for " + pad, emsa_1->name(), emsa_2->name());	20✔
102	} catch(Botan::Lookup_Error&) {	12✔
103	name_tests.test_note("Skipping test due to missing hash");	×
104	} catch(const std::exception& e) { name_tests.test_failure("EMSA_name_test for " + pad + ": " + e.what()); }	×
105	}
106
107	for(const auto& pad : pads_need_hash) {	7✔
108	std::string algo_name = pad + "(YYZ)";	6✔
109	try {	6✔
110	auto emsa = Botan::EMSA::create_or_throw(algo_name);	6✔
111	name_tests.test_failure("EMSA_name_test for " + pad + ": " + "Could create EMSA with fantasy hash YYZ");	×
112	} catch(Botan::Lookup_Error&) {	6✔
113	name_tests.test_note("Skipping test due to missing hash");	6✔
114	} catch(const std::exception& e) {	6✔
115	name_tests.test_eq(	×
116	"EMSA_name_test for " + pad, e.what(), "Could not find any algorithm named \"" + algo_name + "\"");	×
117	}	×
118	}	6✔
119
120	for(const auto& pad : pads_no_hash) {	4✔
121	try {	3✔
122	auto emsa_1 = Botan::EMSA::create(pad);	3✔
123	auto emsa_2 = Botan::EMSA::create(emsa_1->name());	3✔
124	name_tests.test_eq("EMSA_name_test for " + pad, emsa_1->name(), emsa_2->name());	8✔
125	} catch(Botan::Lookup_Error&) {	6✔
126	name_tests.test_note("Skipping test due to missing hash");	×
127	} catch(const std::exception& e) { name_tests.test_failure("EMSA_name_test for " + pad + ": " + e.what()); }	×
128	}
129
130	return {name_tests};	3✔
131	}	1✔
132	};
133
134	BOTAN_REGISTER_TEST("pubkey", "pk_pad_emsa_unit", EMSA_unit_tests);
135
136	#endif
137
138	} // namespace Botan_Tests

randombit / botan / 5111374265

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