1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/*
* (C) 2014,2015,2018 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include "tests.h"
#if defined(BOTAN_HAS_HASH)
#include <botan/hash.h>
#endif
namespace Botan_Tests {
#if defined(BOTAN_HAS_HASH)
namespace {
class Invalid_Hash_Name_Tests final : public Test
{
public:
std::vector<Test::Result> run() override
{
Test::Result result("Invalid HashFunction names");
test_invalid_name(result, "NonExistentHash");
test_invalid_name(result, "Blake2b(9)", "Bad output bits size for Blake2b");
test_invalid_name(result, "Comb4P(MD5,MD5)", "Comb4P: Must use two distinct hashes");
test_invalid_name(result, "Comb4P(MD5,SHA-256)", "Comb4P: Incompatible hashes MD5 and SHA-256");
test_invalid_name(result, "Tiger(168)", "Tiger: Illegal hash output size: 168");
test_invalid_name(result, "Tiger(20,2)", "Tiger: Invalid number of passes: 2");
test_invalid_name(result, "Keccak-1600(160)", "Keccak_1600: Invalid output length 160");
test_invalid_name(result, "SHA-3(160)", "SHA_3: Invalid output length 160");
return {result};
}
private:
void test_invalid_name(Result& result,
const std::string& name,
const std::string& expected_msg = "") const
{
try
{
auto hash = Botan::HashFunction::create_or_throw(name);
result.test_failure("Was successfully able to create " + name);
}
catch(Botan::Invalid_Argument& e)
{
const std::string msg = e.what();
const std::string full_msg = "" + expected_msg;
result.test_eq("expected error message", msg, full_msg);
}
catch(Botan::Lookup_Error& e)
{
const std::string algo_not_found_msg = "Unavailable Hash " + name;
const std::string msg = e.what();
result.test_eq("expected error message", msg, algo_not_found_msg);
}
catch(std::exception& e)
{
result.test_failure("some unknown exception", e.what());
}
catch(...)
{
result.test_failure("some unknown exception");
}
}
};
BOTAN_REGISTER_TEST("invalid_name_hash", Invalid_Hash_Name_Tests);
class Hash_Function_Tests final : public Text_Based_Test
{
public:
Hash_Function_Tests() : Text_Based_Test("hash", "In,Out") {}
std::vector<std::string> possible_providers(const std::string& algo) override
{
return provider_filter(Botan::HashFunction::providers(algo));
}
Test::Result run_one_test(const std::string& algo, const VarMap& vars) override
{
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("hash " + algo);
return result;
}
for(auto const& provider_ask : providers)
{
std::unique_ptr<Botan::HashFunction> hash(Botan::HashFunction::create(algo, provider_ask));
if(!hash)
{
result.test_failure("Hash " + algo + " supported by " + provider_ask + " but not found");
continue;
}
std::unique_ptr<Botan::HashFunction> clone(hash->clone());
const std::string provider(hash->provider());
result.test_is_nonempty("provider", provider);
result.test_eq(provider, hash->name(), algo);
result.test_eq(provider, hash->name(), clone->name());
hash->update(input);
result.test_eq(provider, "hashing", hash->final(), expected);
clone->update(input);
result.test_eq(provider, "hashing (clone)", clone->final(), expected);
// Test to make sure clear() resets what we need it to
hash->update("some discarded input");
hash->clear();
hash->update(nullptr, 0); // this should be effectively ignored
hash->update(input);
result.test_eq(provider, "hashing after clear", hash->final(), expected);
// Test that misaligned inputs work
if(input.size() > 0)
{
std::vector<uint8_t> misaligned = input;
const size_t current_alignment = reinterpret_cast<uintptr_t>(misaligned.data()) % 16;
const size_t bytes_to_misalign = 15 - current_alignment;
for(size_t i = 0; i != bytes_to_misalign; ++i)
misaligned.insert(misaligned.begin(), 0x23);
hash->update(&misaligned[bytes_to_misalign], input.size());
result.test_eq(provider, "hashing misaligned data", hash->final(), expected);
}
if(input.size() > 5)
{
hash->update(input[0]);
std::unique_ptr<Botan::HashFunction> fork = hash->copy_state();
// verify fork copy doesn't affect original computation
fork->update(&input[1], input.size() - 2);
size_t so_far = 1;
while(so_far < input.size())
{
size_t take = Test::rng().next_byte() % (input.size() - so_far);
if(input.size() - so_far == 1)
take = 1;
hash->update(&input[so_far], take);
so_far += take;
}
result.test_eq(provider, "hashing split", hash->final(), expected);
fork->update(&input[input.size() - 1], 1);
result.test_eq(provider, "hashing split", fork->final(), expected);
}
if(hash->hash_block_size() > 0)
{
// GOST-34.11 uses 32 byte block
result.test_gte("If hash_block_size is set, it is large", hash->hash_block_size(), 32);
}
}
return result;
}
};
BOTAN_REGISTER_TEST("hash", Hash_Function_Tests);
}
#endif
}
|
