Create an instance based on a name If provider is empty then best available is chosen.
73 {
74 const SCAN_Name req(algo_spec);
75
76#if defined(BOTAN_HAS_HKDF)
77 if(req.algo_name() == "HKDF" && req.arg_count() == 1) {
78 if(provider.empty() || provider == "base") {
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 if(provider.empty() || provider == "base") {
85 return kdf_create_mac_or_hash<HKDF_Extract>(req.arg(0));
86 }
87 }
88
89 if(req.algo_name() == "HKDF-Expand" && req.arg_count() == 1) {
90 if(provider.empty() || provider == "base") {
91 return kdf_create_mac_or_hash<HKDF_Expand>(req.arg(0));
92 }
93 }
94#endif
95
96#if defined(BOTAN_HAS_KDF2)
97 if(req.algo_name() == "KDF2" && req.arg_count() == 1) {
98 if(provider.empty() || provider == "base") {
100 return std::make_unique<KDF2>(std::move(hash));
101 }
102 }
103 }
104#endif
105
106#if defined(BOTAN_HAS_KDF1_18033)
107 if(req.algo_name() == "KDF1-18033" && req.arg_count() == 1) {
108 if(provider.empty() || provider == "base") {
110 return std::make_unique<KDF1_18033>(std::move(hash));
111 }
112 }
113 }
114#endif
115
116#if defined(BOTAN_HAS_KDF1)
117 if(req.algo_name() == "KDF1" && req.arg_count() == 1) {
118 if(provider.empty() || provider == "base") {
120 return std::make_unique<KDF1>(std::move(hash));
121 }
122 }
123 }
124#endif
125
126#if defined(BOTAN_HAS_TLS_V12_PRF)
127 if(req.algo_name() == "TLS-12-PRF" && req.arg_count() == 1) {
128 if(provider.empty() || provider == "base") {
129 return kdf_create_mac_or_hash<TLS_12_PRF>(req.arg(0));
130 }
131 }
132#endif
133
134#if defined(BOTAN_HAS_X942_PRF)
135 if(req.algo_name() == "X9.42-PRF" && req.arg_count() == 1) {
136 if(provider.empty() || provider == "base") {
137 return std::make_unique<X942_PRF>(req.arg(0));
138 }
139 }
140#endif
141
142#if defined(BOTAN_HAS_SP800_108)
143 if(req.algo_name() == "SP800-108-Counter" && req.arg_count_between(1, 3)) {
144 if(provider.empty() || provider == "base") {
145 return kdf_create_mac_or_hash<SP800_108_Counter>(
146 req.arg(0), req.arg_as_integer(1, 32), req.arg_as_integer(2, 32));
147 }
148 }
149
150 if(req.algo_name() == "SP800-108-Feedback" && req.arg_count_between(1, 3)) {
151 if(provider.empty() || provider == "base") {
152 return kdf_create_mac_or_hash<SP800_108_Feedback>(
153 req.arg(0), req.arg_as_integer(1, 32), req.arg_as_integer(2, 32));
154 }
155 }
156
157 if(req.algo_name() == "SP800-108-Pipeline" && req.arg_count_between(1, 3)) {
158 if(provider.empty() || provider == "base") {
159 return kdf_create_mac_or_hash<SP800_108_Pipeline>(
160 req.arg(0), req.arg_as_integer(1, 32), req.arg_as_integer(2, 32));
161 }
162 }
163#endif
164
165#if defined(BOTAN_HAS_SP800_56A)
166 if(req.algo_name() == "SP800-56A" && req.arg_count() == 1) {
168 return std::make_unique<SP800_56C_One_Step_Hash>(std::move(hash));
169 }
170 if(req.arg(0) == "KMAC-128") {
171 return std::make_unique<SP800_56C_One_Step_KMAC128>();
172 }
173 if(req.arg(0) == "KMAC-256") {
174 return std::make_unique<SP800_56C_One_Step_KMAC256>();
175 }
177 return std::make_unique<SP800_56C_One_Step_HMAC>(std::move(mac));
178 }
179 }
180#endif
181
182#if defined(BOTAN_HAS_SP800_56C)
183 if(req.algo_name() == "SP800-56C" && req.arg_count() == 1) {
184 std::unique_ptr<KDF> exp(kdf_create_mac_or_hash<SP800_108_Feedback>(req.arg(0), 32, 32));
185 if(exp) {
187 return std::make_unique<SP800_56C_Two_Step>(std::move(mac), std::move(exp));
188 }
189
191 return std::make_unique<SP800_56C_Two_Step>(std::move(mac), std::move(exp));
192 }
193 }
194 }
195#endif
196
199
200 return nullptr;
201}
static std::unique_ptr< HashFunction > create(std::string_view algo_spec, std::string_view provider="")
static std::unique_ptr< MessageAuthenticationCode > create(std::string_view algo_spec, std::string_view provider="")
std::string fmt(std::string_view format, const T &... args)