Create an instance based on a name If provider is empty then best available is chosen.
71 {
72 const SCAN_Name req(algo_spec);
73
74#if defined(BOTAN_HAS_HKDF)
75 if(req.algo_name() == "HKDF" && req.arg_count() == 1)
76 {
77 if(provider.empty() || provider == "base")
78 {
79 return kdf_create_mac_or_hash<HKDF>(req.arg(0));
80 }
81 }
82
83 if(req.algo_name() == "HKDF-Extract" && req.arg_count() == 1)
84 {
85 if(provider.empty() || provider == "base")
86 {
87 return kdf_create_mac_or_hash<HKDF_Extract>(req.arg(0));
88 }
89 }
90
91 if(req.algo_name() == "HKDF-Expand" && req.arg_count() == 1)
92 {
93 if(provider.empty() || provider == "base")
94 {
95 return kdf_create_mac_or_hash<HKDF_Expand>(req.arg(0));
96 }
97 }
98#endif
99
100#if defined(BOTAN_HAS_KDF2)
101 if(req.algo_name() == "KDF2" && req.arg_count() == 1)
102 {
103 if(provider.empty() || provider == "base")
104 {
106 return std::make_unique<KDF2>(std::move(
hash));
107 }
108 }
109#endif
110
111#if defined(BOTAN_HAS_KDF1_18033)
112 if(req.algo_name() == "KDF1-18033" && req.arg_count() == 1)
113 {
114 if(provider.empty() || provider == "base")
115 {
117 return std::make_unique<KDF1_18033>(std::move(
hash));
118 }
119 }
120#endif
121
122#if defined(BOTAN_HAS_KDF1)
123 if(req.algo_name() == "KDF1" && req.arg_count() == 1)
124 {
125 if(provider.empty() || provider == "base")
126 {
128 return std::make_unique<KDF1>(std::move(
hash));
129 }
130 }
131#endif
132
133#if defined(BOTAN_HAS_TLS_V12_PRF)
134 if(req.algo_name() == "TLS-12-PRF" && req.arg_count() == 1)
135 {
136 if(provider.empty() || provider == "base")
137 {
138 return kdf_create_mac_or_hash<TLS_12_PRF>(req.arg(0));
139 }
140 }
141#endif
142
143#if defined(BOTAN_HAS_X942_PRF)
144 if(req.algo_name() == "X9.42-PRF" && req.arg_count() == 1)
145 {
146 if(provider.empty() || provider == "base")
147 {
148 return std::make_unique<X942_PRF>(req.arg(0));
149 }
150 }
151#endif
152
153#if defined(BOTAN_HAS_SP800_108)
154 if(req.algo_name() == "SP800-108-Counter" && req.arg_count() == 1)
155 {
156 if(provider.empty() || provider == "base")
157 {
158 return kdf_create_mac_or_hash<SP800_108_Counter>(req.arg(0));
159 }
160 }
161
162 if(req.algo_name() == "SP800-108-Feedback" && req.arg_count() == 1)
163 {
164 if(provider.empty() || provider == "base")
165 {
166 return kdf_create_mac_or_hash<SP800_108_Feedback>(req.arg(0));
167 }
168 }
169
170 if(req.algo_name() == "SP800-108-Pipeline" && req.arg_count() == 1)
171 {
172 if(provider.empty() || provider == "base")
173 {
174 return kdf_create_mac_or_hash<SP800_108_Pipeline>(req.arg(0));
175 }
176 }
177#endif
178
179#if defined(BOTAN_HAS_SP800_56A)
180 if(req.algo_name() == "SP800-56A" && req.arg_count() == 1)
181 {
183 return std::make_unique<SP800_56A_Hash>(std::move(
hash));
185 return std::make_unique<SP800_56A_HMAC>(std::move(mac));
186 }
187#endif
188
189#if defined(BOTAN_HAS_SP800_56C)
190 if(req.algo_name() == "SP800-56C" && req.arg_count() == 1)
191 {
192 std::unique_ptr<KDF> exp(kdf_create_mac_or_hash<SP800_108_Feedback>(req.arg(0)));
193 if(exp)
194 {
196 return std::make_unique<SP800_56C>(std::move(mac), std::move(exp));
197
199 return std::make_unique<SP800_56C>(std::move(mac), std::move(exp));
200 }
201 }
202#endif
203
206
207 return nullptr;
208 }
#define BOTAN_UNUSED(...)
static std::unique_ptr< HashFunction > create(const std::string &algo_spec, const std::string &provider="")
static std::unique_ptr< MessageAuthenticationCode > create(const std::string &algo_spec, const std::string &provider="")