/src/botan/src/lib/kdf/kdf.cpp
Line | Count | Source |
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/mem_utils.h> |
16 | | #include <botan/internal/scan_name.h> |
17 | | |
18 | | #if defined(BOTAN_HAS_HKDF) |
19 | | #include <botan/internal/hkdf.h> |
20 | | #endif |
21 | | |
22 | | #if defined(BOTAN_HAS_KDF1) |
23 | | #include <botan/internal/kdf1.h> |
24 | | #endif |
25 | | |
26 | | #if defined(BOTAN_HAS_KDF2) |
27 | | #include <botan/internal/kdf2.h> |
28 | | #endif |
29 | | |
30 | | #if defined(BOTAN_HAS_KDF1_18033) |
31 | | #include <botan/internal/kdf1_iso18033.h> |
32 | | #endif |
33 | | |
34 | | #if defined(BOTAN_HAS_TLS_V12_PRF) |
35 | | #include <botan/internal/prf_tls.h> |
36 | | #endif |
37 | | |
38 | | #if defined(BOTAN_HAS_X942_PRF) |
39 | | #include <botan/internal/prf_x942.h> |
40 | | #endif |
41 | | |
42 | | #if defined(BOTAN_HAS_SP800_108) |
43 | | #include <botan/internal/sp800_108.h> |
44 | | #endif |
45 | | |
46 | | #if defined(BOTAN_HAS_SP800_56A) |
47 | | #include <botan/internal/sp800_56c_one_step.h> |
48 | | #endif |
49 | | |
50 | | #if defined(BOTAN_HAS_SP800_56C) |
51 | | #include <botan/internal/sp800_56c_two_step.h> |
52 | | #endif |
53 | | |
54 | | namespace Botan { |
55 | | |
56 | | namespace { |
57 | | |
58 | | template <typename KDF_Type, typename... ParamTs> |
59 | 0 | std::unique_ptr<KDF> kdf_create_mac_or_hash(std::string_view nm, ParamTs&&... params) { |
60 | 0 | if(auto mac = MessageAuthenticationCode::create(fmt("HMAC({})", nm))) { |
61 | 0 | return std::make_unique<KDF_Type>(std::move(mac), std::forward<ParamTs>(params)...); |
62 | 0 | } |
63 | | |
64 | 0 | if(auto mac = MessageAuthenticationCode::create(nm)) { |
65 | 0 | return std::make_unique<KDF_Type>(std::move(mac), std::forward<ParamTs>(params)...); |
66 | 0 | } |
67 | | |
68 | 0 | return nullptr; |
69 | 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> >) 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::TLS_12_PRF>(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::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&&) |
70 | | |
71 | | } // namespace |
72 | | |
73 | 0 | std::unique_ptr<KDF> KDF::create(std::string_view algo_spec, std::string_view provider) { |
74 | 0 | const SCAN_Name req(algo_spec); |
75 | |
|
76 | 0 | #if defined(BOTAN_HAS_HKDF) |
77 | 0 | if(req.algo_name() == "HKDF" && req.arg_count() == 1) { |
78 | 0 | if(provider.empty() || provider == "base") { |
79 | 0 | return kdf_create_mac_or_hash<HKDF>(req.arg(0)); |
80 | 0 | } |
81 | 0 | } |
82 | | |
83 | 0 | if(req.algo_name() == "HKDF-Extract" && req.arg_count() == 1) { |
84 | 0 | if(provider.empty() || provider == "base") { |
85 | 0 | return kdf_create_mac_or_hash<HKDF_Extract>(req.arg(0)); |
86 | 0 | } |
87 | 0 | } |
88 | | |
89 | 0 | if(req.algo_name() == "HKDF-Expand" && req.arg_count() == 1) { |
90 | 0 | if(provider.empty() || provider == "base") { |
91 | 0 | return kdf_create_mac_or_hash<HKDF_Expand>(req.arg(0)); |
92 | 0 | } |
93 | 0 | } |
94 | 0 | #endif |
95 | | |
96 | 0 | #if defined(BOTAN_HAS_KDF2) |
97 | 0 | if(req.algo_name() == "KDF2" && req.arg_count() == 1) { |
98 | 0 | if(provider.empty() || provider == "base") { |
99 | 0 | if(auto hash = HashFunction::create(req.arg(0))) { |
100 | 0 | return std::make_unique<KDF2>(std::move(hash)); |
101 | 0 | } |
102 | 0 | } |
103 | 0 | } |
104 | 0 | #endif |
105 | | |
106 | 0 | #if defined(BOTAN_HAS_KDF1_18033) |
107 | 0 | if(req.algo_name() == "KDF1-18033" && req.arg_count() == 1) { |
108 | 0 | if(provider.empty() || provider == "base") { |
109 | 0 | if(auto hash = HashFunction::create(req.arg(0))) { |
110 | 0 | return std::make_unique<KDF1_18033>(std::move(hash)); |
111 | 0 | } |
112 | 0 | } |
113 | 0 | } |
114 | 0 | #endif |
115 | | |
116 | 0 | #if defined(BOTAN_HAS_KDF1) |
117 | 0 | if(req.algo_name() == "KDF1" && req.arg_count() == 1) { |
118 | 0 | if(provider.empty() || provider == "base") { |
119 | 0 | if(auto hash = HashFunction::create(req.arg(0))) { |
120 | 0 | return std::make_unique<KDF1>(std::move(hash)); |
121 | 0 | } |
122 | 0 | } |
123 | 0 | } |
124 | 0 | #endif |
125 | | |
126 | 0 | #if defined(BOTAN_HAS_TLS_V12_PRF) |
127 | 0 | if(req.algo_name() == "TLS-12-PRF" && req.arg_count() == 1) { |
128 | 0 | if(provider.empty() || provider == "base") { |
129 | 0 | return kdf_create_mac_or_hash<TLS_12_PRF>(req.arg(0)); |
130 | 0 | } |
131 | 0 | } |
132 | 0 | #endif |
133 | | |
134 | 0 | #if defined(BOTAN_HAS_X942_PRF) |
135 | 0 | if(req.algo_name() == "X9.42-PRF" && req.arg_count() == 1) { |
136 | 0 | if(provider.empty() || provider == "base") { |
137 | 0 | return std::make_unique<X942_PRF>(req.arg(0)); |
138 | 0 | } |
139 | 0 | } |
140 | 0 | #endif |
141 | | |
142 | 0 | #if defined(BOTAN_HAS_SP800_108) |
143 | 0 | if(req.algo_name() == "SP800-108-Counter" && req.arg_count_between(1, 3)) { |
144 | 0 | if(provider.empty() || provider == "base") { |
145 | 0 | return kdf_create_mac_or_hash<SP800_108_Counter>( |
146 | 0 | req.arg(0), req.arg_as_integer(1, 32), req.arg_as_integer(2, 32)); |
147 | 0 | } |
148 | 0 | } |
149 | | |
150 | 0 | if(req.algo_name() == "SP800-108-Feedback" && req.arg_count_between(1, 3)) { |
151 | 0 | if(provider.empty() || provider == "base") { |
152 | 0 | return kdf_create_mac_or_hash<SP800_108_Feedback>( |
153 | 0 | req.arg(0), req.arg_as_integer(1, 32), req.arg_as_integer(2, 32)); |
154 | 0 | } |
155 | 0 | } |
156 | | |
157 | 0 | if(req.algo_name() == "SP800-108-Pipeline" && req.arg_count_between(1, 3)) { |
158 | 0 | if(provider.empty() || provider == "base") { |
159 | 0 | return kdf_create_mac_or_hash<SP800_108_Pipeline>( |
160 | 0 | req.arg(0), req.arg_as_integer(1, 32), req.arg_as_integer(2, 32)); |
161 | 0 | } |
162 | 0 | } |
163 | 0 | #endif |
164 | | |
165 | 0 | #if defined(BOTAN_HAS_SP800_56A) |
166 | 0 | if(req.algo_name() == "SP800-56A" && req.arg_count() == 1) { |
167 | 0 | if(auto hash = HashFunction::create(req.arg(0))) { |
168 | 0 | return std::make_unique<SP800_56C_One_Step_Hash>(std::move(hash)); |
169 | 0 | } |
170 | 0 | if(req.arg(0) == "KMAC-128") { |
171 | 0 | return std::make_unique<SP800_56C_One_Step_KMAC128>(); |
172 | 0 | } |
173 | 0 | if(req.arg(0) == "KMAC-256") { |
174 | 0 | return std::make_unique<SP800_56C_One_Step_KMAC256>(); |
175 | 0 | } |
176 | 0 | if(auto mac = MessageAuthenticationCode::create(req.arg(0))) { |
177 | 0 | return std::make_unique<SP800_56C_One_Step_HMAC>(std::move(mac)); |
178 | 0 | } |
179 | 0 | } |
180 | 0 | #endif |
181 | | |
182 | 0 | #if defined(BOTAN_HAS_SP800_56C) |
183 | 0 | if(req.algo_name() == "SP800-56C" && req.arg_count() == 1) { |
184 | 0 | std::unique_ptr<KDF> exp(kdf_create_mac_or_hash<SP800_108_Feedback>(req.arg(0), 32, 32)); |
185 | 0 | if(exp) { |
186 | 0 | if(auto mac = MessageAuthenticationCode::create(req.arg(0))) { |
187 | 0 | return std::make_unique<SP800_56C_Two_Step>(std::move(mac), std::move(exp)); |
188 | 0 | } |
189 | | |
190 | 0 | if(auto mac = MessageAuthenticationCode::create(fmt("HMAC({})", req.arg(0)))) { |
191 | 0 | return std::make_unique<SP800_56C_Two_Step>(std::move(mac), std::move(exp)); |
192 | 0 | } |
193 | 0 | } |
194 | 0 | } |
195 | 0 | #endif |
196 | | |
197 | 0 | BOTAN_UNUSED(req); |
198 | 0 | BOTAN_UNUSED(provider); |
199 | |
|
200 | 0 | return nullptr; |
201 | 0 | } |
202 | | |
203 | | //static |
204 | 0 | std::unique_ptr<KDF> KDF::create_or_throw(std::string_view algo, std::string_view provider) { |
205 | 0 | if(auto kdf = KDF::create(algo, provider)) { |
206 | 0 | return kdf; |
207 | 0 | } |
208 | 0 | throw Lookup_Error("KDF", algo, provider); |
209 | 0 | } |
210 | | |
211 | 0 | std::vector<std::string> KDF::providers(std::string_view algo_spec) { |
212 | 0 | return probe_providers_of<KDF>(algo_spec); |
213 | 0 | } |
214 | | |
215 | | //static |
216 | 0 | std::span<const uint8_t> KDF::_as_span(std::string_view s) { |
217 | 0 | return as_span_of_bytes(s); |
218 | 0 | } |
219 | | |
220 | | } // namespace Botan |