/src/botan/src/lib/kdf/kdf.cpp
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1 | | /* |
2 | | * KDF Retrieval |
3 | | * (C) 1999-2007 Jack Lloyd |
4 | | * |
5 | | * Botan is released under the Simplified BSD License (see license.txt) |
6 | | */ |
7 | | |
8 | | #include <botan/kdf.h> |
9 | | |
10 | | #include <botan/assert.h> |
11 | | #include <botan/exceptn.h> |
12 | | #include <botan/hash.h> |
13 | | #include <botan/mac.h> |
14 | | #include <botan/internal/fmt.h> |
15 | | #include <botan/internal/scan_name.h> |
16 | | |
17 | | #if defined(BOTAN_HAS_HKDF) |
18 | | #include <botan/internal/hkdf.h> |
19 | | #endif |
20 | | |
21 | | #if defined(BOTAN_HAS_KDF1) |
22 | | #include <botan/internal/kdf1.h> |
23 | | #endif |
24 | | |
25 | | #if defined(BOTAN_HAS_KDF2) |
26 | | #include <botan/internal/kdf2.h> |
27 | | #endif |
28 | | |
29 | | #if defined(BOTAN_HAS_KDF1_18033) |
30 | | #include <botan/internal/kdf1_iso18033.h> |
31 | | #endif |
32 | | |
33 | | #if defined(BOTAN_HAS_TLS_V12_PRF) |
34 | | #include <botan/internal/prf_tls.h> |
35 | | #endif |
36 | | |
37 | | #if defined(BOTAN_HAS_X942_PRF) |
38 | | #include <botan/internal/prf_x942.h> |
39 | | #endif |
40 | | |
41 | | #if defined(BOTAN_HAS_SP800_108) |
42 | | #include <botan/internal/sp800_108.h> |
43 | | #endif |
44 | | |
45 | | #if defined(BOTAN_HAS_SP800_56A) |
46 | | #include <botan/internal/sp800_56c_one_step.h> |
47 | | #endif |
48 | | |
49 | | #if defined(BOTAN_HAS_SP800_56C) |
50 | | #include <botan/internal/sp800_56c_two_step.h> |
51 | | #endif |
52 | | |
53 | | namespace Botan { |
54 | | |
55 | | namespace { |
56 | | |
57 | | template <typename KDF_Type, typename... ParamTs> |
58 | 5.97k | std::unique_ptr<KDF> kdf_create_mac_or_hash(std::string_view nm, ParamTs&&... params) { |
59 | 5.97k | if(auto mac = MessageAuthenticationCode::create(fmt("HMAC({})", nm))) { |
60 | 5.97k | return std::make_unique<KDF_Type>(std::move(mac), std::forward<ParamTs>(params)...); |
61 | 5.97k | } |
62 | | |
63 | 0 | if(auto mac = MessageAuthenticationCode::create(nm)) { |
64 | 0 | return std::make_unique<KDF_Type>(std::move(mac), std::forward<ParamTs>(params)...); |
65 | 0 | } |
66 | | |
67 | 0 | return nullptr; |
68 | 0 | } Unexecuted instantiation: kdf.cpp:std::__1::unique_ptr<Botan::KDF, std::__1::default_delete<Botan::KDF> > Botan::(anonymous namespace)::kdf_create_mac_or_hash<Botan::HKDF>(std::__1::basic_string_view<char, std::__1::char_traits<char> >) Unexecuted instantiation: kdf.cpp:std::__1::unique_ptr<Botan::KDF, std::__1::default_delete<Botan::KDF> > Botan::(anonymous namespace)::kdf_create_mac_or_hash<Botan::HKDF_Extract>(std::__1::basic_string_view<char, std::__1::char_traits<char> >) Unexecuted instantiation: kdf.cpp:std::__1::unique_ptr<Botan::KDF, std::__1::default_delete<Botan::KDF> > Botan::(anonymous namespace)::kdf_create_mac_or_hash<Botan::HKDF_Expand>(std::__1::basic_string_view<char, std::__1::char_traits<char> >) kdf.cpp:std::__1::unique_ptr<Botan::KDF, std::__1::default_delete<Botan::KDF> > Botan::(anonymous namespace)::kdf_create_mac_or_hash<Botan::TLS_12_PRF>(std::__1::basic_string_view<char, std::__1::char_traits<char> >) Line | Count | Source | 58 | 5.97k | std::unique_ptr<KDF> kdf_create_mac_or_hash(std::string_view nm, ParamTs&&... params) { | 59 | 5.97k | if(auto mac = MessageAuthenticationCode::create(fmt("HMAC({})", nm))) { | 60 | 5.97k | return std::make_unique<KDF_Type>(std::move(mac), std::forward<ParamTs>(params)...); | 61 | 5.97k | } | 62 | | | 63 | 0 | if(auto mac = MessageAuthenticationCode::create(nm)) { | 64 | 0 | return std::make_unique<KDF_Type>(std::move(mac), std::forward<ParamTs>(params)...); | 65 | 0 | } | 66 | | | 67 | 0 | return nullptr; | 68 | 0 | } |
Unexecuted instantiation: kdf.cpp:std::__1::unique_ptr<Botan::KDF, std::__1::default_delete<Botan::KDF> > Botan::(anonymous namespace)::kdf_create_mac_or_hash<Botan::SP800_108_Counter, unsigned long, unsigned long>(std::__1::basic_string_view<char, std::__1::char_traits<char> >, unsigned long&&, unsigned long&&) Unexecuted instantiation: kdf.cpp:std::__1::unique_ptr<Botan::KDF, std::__1::default_delete<Botan::KDF> > Botan::(anonymous namespace)::kdf_create_mac_or_hash<Botan::SP800_108_Feedback, unsigned long, unsigned long>(std::__1::basic_string_view<char, std::__1::char_traits<char> >, unsigned long&&, unsigned long&&) Unexecuted instantiation: kdf.cpp:std::__1::unique_ptr<Botan::KDF, std::__1::default_delete<Botan::KDF> > Botan::(anonymous namespace)::kdf_create_mac_or_hash<Botan::SP800_108_Pipeline, unsigned long, unsigned long>(std::__1::basic_string_view<char, std::__1::char_traits<char> >, unsigned long&&, unsigned long&&) Unexecuted instantiation: kdf.cpp:std::__1::unique_ptr<Botan::KDF, std::__1::default_delete<Botan::KDF> > Botan::(anonymous namespace)::kdf_create_mac_or_hash<Botan::SP800_108_Feedback, int, int>(std::__1::basic_string_view<char, std::__1::char_traits<char> >, int&&, int&&) |
69 | | |
70 | | } // namespace |
71 | | |
72 | 5.97k | std::unique_ptr<KDF> KDF::create(std::string_view algo_spec, std::string_view provider) { |
73 | 5.97k | const SCAN_Name req(algo_spec); |
74 | | |
75 | 5.97k | #if defined(BOTAN_HAS_HKDF) |
76 | 5.97k | if(req.algo_name() == "HKDF" && req.arg_count() == 1) { |
77 | 0 | if(provider.empty() || provider == "base") { |
78 | 0 | return kdf_create_mac_or_hash<HKDF>(req.arg(0)); |
79 | 0 | } |
80 | 0 | } |
81 | | |
82 | 5.97k | if(req.algo_name() == "HKDF-Extract" && req.arg_count() == 1) { |
83 | 0 | if(provider.empty() || provider == "base") { |
84 | 0 | return kdf_create_mac_or_hash<HKDF_Extract>(req.arg(0)); |
85 | 0 | } |
86 | 0 | } |
87 | | |
88 | 5.97k | if(req.algo_name() == "HKDF-Expand" && req.arg_count() == 1) { |
89 | 0 | if(provider.empty() || provider == "base") { |
90 | 0 | return kdf_create_mac_or_hash<HKDF_Expand>(req.arg(0)); |
91 | 0 | } |
92 | 0 | } |
93 | 5.97k | #endif |
94 | | |
95 | 5.97k | #if defined(BOTAN_HAS_KDF2) |
96 | 5.97k | if(req.algo_name() == "KDF2" && req.arg_count() == 1) { |
97 | 0 | if(provider.empty() || provider == "base") { |
98 | 0 | if(auto hash = HashFunction::create(req.arg(0))) { |
99 | 0 | return std::make_unique<KDF2>(std::move(hash)); |
100 | 0 | } |
101 | 0 | } |
102 | 0 | } |
103 | 5.97k | #endif |
104 | | |
105 | 5.97k | #if defined(BOTAN_HAS_KDF1_18033) |
106 | 5.97k | if(req.algo_name() == "KDF1-18033" && req.arg_count() == 1) { |
107 | 0 | if(provider.empty() || provider == "base") { |
108 | 0 | if(auto hash = HashFunction::create(req.arg(0))) { |
109 | 0 | return std::make_unique<KDF1_18033>(std::move(hash)); |
110 | 0 | } |
111 | 0 | } |
112 | 0 | } |
113 | 5.97k | #endif |
114 | | |
115 | 5.97k | #if defined(BOTAN_HAS_KDF1) |
116 | 5.97k | if(req.algo_name() == "KDF1" && req.arg_count() == 1) { |
117 | 0 | if(provider.empty() || provider == "base") { |
118 | 0 | if(auto hash = HashFunction::create(req.arg(0))) { |
119 | 0 | return std::make_unique<KDF1>(std::move(hash)); |
120 | 0 | } |
121 | 0 | } |
122 | 0 | } |
123 | 5.97k | #endif |
124 | | |
125 | 5.97k | #if defined(BOTAN_HAS_TLS_V12_PRF) |
126 | 5.97k | if(req.algo_name() == "TLS-12-PRF" && req.arg_count() == 1) { |
127 | 5.97k | if(provider.empty() || provider == "base") { |
128 | 5.97k | return kdf_create_mac_or_hash<TLS_12_PRF>(req.arg(0)); |
129 | 5.97k | } |
130 | 5.97k | } |
131 | 0 | #endif |
132 | | |
133 | 0 | #if defined(BOTAN_HAS_X942_PRF) |
134 | 0 | if(req.algo_name() == "X9.42-PRF" && req.arg_count() == 1) { |
135 | 0 | if(provider.empty() || provider == "base") { |
136 | 0 | return std::make_unique<X942_PRF>(req.arg(0)); |
137 | 0 | } |
138 | 0 | } |
139 | 0 | #endif |
140 | | |
141 | 0 | #if defined(BOTAN_HAS_SP800_108) |
142 | 0 | if(req.algo_name() == "SP800-108-Counter" && req.arg_count_between(1, 3)) { |
143 | 0 | if(provider.empty() || provider == "base") { |
144 | 0 | return kdf_create_mac_or_hash<SP800_108_Counter>( |
145 | 0 | req.arg(0), req.arg_as_integer(1, 32), req.arg_as_integer(2, 32)); |
146 | 0 | } |
147 | 0 | } |
148 | | |
149 | 0 | if(req.algo_name() == "SP800-108-Feedback" && req.arg_count_between(1, 3)) { |
150 | 0 | if(provider.empty() || provider == "base") { |
151 | 0 | return kdf_create_mac_or_hash<SP800_108_Feedback>( |
152 | 0 | req.arg(0), req.arg_as_integer(1, 32), req.arg_as_integer(2, 32)); |
153 | 0 | } |
154 | 0 | } |
155 | | |
156 | 0 | if(req.algo_name() == "SP800-108-Pipeline" && req.arg_count_between(1, 3)) { |
157 | 0 | if(provider.empty() || provider == "base") { |
158 | 0 | return kdf_create_mac_or_hash<SP800_108_Pipeline>( |
159 | 0 | req.arg(0), req.arg_as_integer(1, 32), req.arg_as_integer(2, 32)); |
160 | 0 | } |
161 | 0 | } |
162 | 0 | #endif |
163 | | |
164 | 0 | #if defined(BOTAN_HAS_SP800_56A) |
165 | 0 | if(req.algo_name() == "SP800-56A" && req.arg_count() == 1) { |
166 | 0 | if(auto hash = HashFunction::create(req.arg(0))) { |
167 | 0 | return std::make_unique<SP800_56C_One_Step_Hash>(std::move(hash)); |
168 | 0 | } |
169 | 0 | if(req.arg(0) == "KMAC-128") { |
170 | 0 | return std::make_unique<SP800_56C_One_Step_KMAC128>(); |
171 | 0 | } |
172 | 0 | if(req.arg(0) == "KMAC-256") { |
173 | 0 | return std::make_unique<SP800_56C_One_Step_KMAC256>(); |
174 | 0 | } |
175 | 0 | if(auto mac = MessageAuthenticationCode::create(req.arg(0))) { |
176 | 0 | return std::make_unique<SP800_56C_One_Step_HMAC>(std::move(mac)); |
177 | 0 | } |
178 | 0 | } |
179 | 0 | #endif |
180 | | |
181 | 0 | #if defined(BOTAN_HAS_SP800_56C) |
182 | 0 | if(req.algo_name() == "SP800-56C" && req.arg_count() == 1) { |
183 | 0 | std::unique_ptr<KDF> exp(kdf_create_mac_or_hash<SP800_108_Feedback>(req.arg(0), 32, 32)); |
184 | 0 | if(exp) { |
185 | 0 | if(auto mac = MessageAuthenticationCode::create(req.arg(0))) { |
186 | 0 | return std::make_unique<SP800_56C_Two_Step>(std::move(mac), std::move(exp)); |
187 | 0 | } |
188 | | |
189 | 0 | if(auto mac = MessageAuthenticationCode::create(fmt("HMAC({})", req.arg(0)))) { |
190 | 0 | return std::make_unique<SP800_56C_Two_Step>(std::move(mac), std::move(exp)); |
191 | 0 | } |
192 | 0 | } |
193 | 0 | } |
194 | 0 | #endif |
195 | | |
196 | 0 | BOTAN_UNUSED(req); |
197 | 0 | BOTAN_UNUSED(provider); |
198 | |
|
199 | 0 | return nullptr; |
200 | 0 | } |
201 | | |
202 | | //static |
203 | 5.97k | std::unique_ptr<KDF> KDF::create_or_throw(std::string_view algo, std::string_view provider) { |
204 | 5.97k | if(auto kdf = KDF::create(algo, provider)) { |
205 | 5.97k | return kdf; |
206 | 5.97k | } |
207 | 0 | throw Lookup_Error("KDF", algo, provider); |
208 | 5.97k | } |
209 | | |
210 | 0 | std::vector<std::string> KDF::providers(std::string_view algo_spec) { |
211 | 0 | return probe_providers_of<KDF>(algo_spec); |
212 | 0 | } |
213 | | |
214 | | } // namespace Botan |