/src/botan/src/lib/kdf/kdf.cpp
Line | Count | Source (jump to first uncovered line) |
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 | | #include <botan/mac.h> |
10 | | #include <botan/hash.h> |
11 | | #include <botan/scan_name.h> |
12 | | #include <botan/exceptn.h> |
13 | | |
14 | | #if defined(BOTAN_HAS_HKDF) |
15 | | #include <botan/hkdf.h> |
16 | | #endif |
17 | | |
18 | | #if defined(BOTAN_HAS_KDF1) |
19 | | #include <botan/kdf1.h> |
20 | | #endif |
21 | | |
22 | | #if defined(BOTAN_HAS_KDF2) |
23 | | #include <botan/kdf2.h> |
24 | | #endif |
25 | | |
26 | | #if defined(BOTAN_HAS_KDF1_18033) |
27 | | #include <botan/kdf1_iso18033.h> |
28 | | #endif |
29 | | |
30 | | #if defined(BOTAN_HAS_TLS_V10_PRF) || defined(BOTAN_HAS_TLS_V12_PRF) |
31 | | #include <botan/prf_tls.h> |
32 | | #endif |
33 | | |
34 | | #if defined(BOTAN_HAS_X942_PRF) |
35 | | #include <botan/prf_x942.h> |
36 | | #endif |
37 | | |
38 | | #if defined(BOTAN_HAS_SP800_108) |
39 | | #include <botan/sp800_108.h> |
40 | | #endif |
41 | | |
42 | | #if defined(BOTAN_HAS_SP800_56A) |
43 | | #include <botan/sp800_56a.h> |
44 | | #endif |
45 | | |
46 | | #if defined(BOTAN_HAS_SP800_56C) |
47 | | #include <botan/sp800_56c.h> |
48 | | #endif |
49 | | |
50 | | namespace Botan { |
51 | | |
52 | | namespace { |
53 | | |
54 | | template<typename KDF_Type> |
55 | | std::unique_ptr<KDF> |
56 | | kdf_create_mac_or_hash(const std::string& nm) |
57 | 16.7k | { |
58 | 16.7k | if(auto mac = MessageAuthenticationCode::create(nm)) |
59 | 0 | return std::unique_ptr<KDF>(new KDF_Type(mac.release())); |
60 | 16.7k | |
61 | 16.7k | if(auto mac = MessageAuthenticationCode::create("HMAC(" + nm + ")")) |
62 | 16.7k | return std::unique_ptr<KDF>(new KDF_Type(mac.release())); |
63 | 0 | |
64 | 0 | return nullptr; |
65 | 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<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) 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<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) 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<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) 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<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) Line | Count | Source | 57 | 16.7k | { | 58 | 16.7k | if(auto mac = MessageAuthenticationCode::create(nm)) | 59 | 0 | return std::unique_ptr<KDF>(new KDF_Type(mac.release())); | 60 | 16.7k | | 61 | 16.7k | if(auto mac = MessageAuthenticationCode::create("HMAC(" + nm + ")")) | 62 | 16.7k | return std::unique_ptr<KDF>(new KDF_Type(mac.release())); | 63 | 0 | | 64 | 0 | return nullptr; | 65 | 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>(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) 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>(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) 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>(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) |
66 | | |
67 | | } |
68 | | |
69 | | std::unique_ptr<KDF> KDF::create(const std::string& algo_spec, |
70 | | const std::string& provider) |
71 | 16.7k | { |
72 | 16.7k | const SCAN_Name req(algo_spec); |
73 | 16.7k | |
74 | 16.7k | #if defined(BOTAN_HAS_HKDF) |
75 | 16.7k | if(req.algo_name() == "HKDF" && req.arg_count() == 1) |
76 | 0 | { |
77 | 0 | if(provider.empty() || provider == "base") |
78 | 0 | { |
79 | 0 | return kdf_create_mac_or_hash<HKDF>(req.arg(0)); |
80 | 0 | } |
81 | 16.7k | } |
82 | 16.7k | |
83 | 16.7k | if(req.algo_name() == "HKDF-Extract" && req.arg_count() == 1) |
84 | 0 | { |
85 | 0 | if(provider.empty() || provider == "base") |
86 | 0 | { |
87 | 0 | return kdf_create_mac_or_hash<HKDF_Extract>(req.arg(0)); |
88 | 0 | } |
89 | 16.7k | } |
90 | 16.7k | |
91 | 16.7k | if(req.algo_name() == "HKDF-Expand" && req.arg_count() == 1) |
92 | 0 | { |
93 | 0 | if(provider.empty() || provider == "base") |
94 | 0 | { |
95 | 0 | return kdf_create_mac_or_hash<HKDF_Expand>(req.arg(0)); |
96 | 0 | } |
97 | 16.7k | } |
98 | 16.7k | #endif |
99 | 16.7k | |
100 | 16.7k | #if defined(BOTAN_HAS_KDF2) |
101 | 16.7k | if(req.algo_name() == "KDF2" && req.arg_count() == 1) |
102 | 0 | { |
103 | 0 | if(provider.empty() || provider == "base") |
104 | 0 | { |
105 | 0 | if(auto hash = HashFunction::create(req.arg(0))) |
106 | 0 | return std::unique_ptr<KDF>(new KDF2(hash.release())); |
107 | 16.7k | } |
108 | 0 | } |
109 | 16.7k | #endif |
110 | 16.7k | |
111 | 16.7k | #if defined(BOTAN_HAS_KDF1_18033) |
112 | 16.7k | if(req.algo_name() == "KDF1-18033" && req.arg_count() == 1) |
113 | 0 | { |
114 | 0 | if(provider.empty() || provider == "base") |
115 | 0 | { |
116 | 0 | if(auto hash = HashFunction::create(req.arg(0))) |
117 | 0 | return std::unique_ptr<KDF>(new KDF1_18033(hash.release())); |
118 | 16.7k | } |
119 | 0 | } |
120 | 16.7k | #endif |
121 | 16.7k | |
122 | 16.7k | #if defined(BOTAN_HAS_KDF1) |
123 | 16.7k | if(req.algo_name() == "KDF1" && req.arg_count() == 1) |
124 | 0 | { |
125 | 0 | if(provider.empty() || provider == "base") |
126 | 0 | { |
127 | 0 | if(auto hash = HashFunction::create(req.arg(0))) |
128 | 0 | return std::unique_ptr<KDF>(new KDF1(hash.release())); |
129 | 16.7k | } |
130 | 0 | } |
131 | 16.7k | #endif |
132 | 16.7k | |
133 | 16.7k | #if defined(BOTAN_HAS_TLS_V10_PRF) |
134 | 16.7k | if(req.algo_name() == "TLS-PRF" && req.arg_count() == 0) |
135 | 0 | { |
136 | 0 | if(provider.empty() || provider == "base") |
137 | 0 | { |
138 | 0 | auto hmac_md5 = MessageAuthenticationCode::create("HMAC(MD5)"); |
139 | 0 | auto hmac_sha1 = MessageAuthenticationCode::create("HMAC(SHA-1)"); |
140 | 0 |
|
141 | 0 | if(hmac_md5 && hmac_sha1) |
142 | 0 | return std::unique_ptr<KDF>(new TLS_PRF(std::move(hmac_md5), std::move(hmac_sha1))); |
143 | 16.7k | } |
144 | 0 | } |
145 | 16.7k | #endif |
146 | 16.7k | |
147 | 16.7k | #if defined(BOTAN_HAS_TLS_V12_PRF) |
148 | 16.7k | if(req.algo_name() == "TLS-12-PRF" && req.arg_count() == 1) |
149 | 16.7k | { |
150 | 16.7k | if(provider.empty() || provider == "base") |
151 | 16.7k | { |
152 | 16.7k | return kdf_create_mac_or_hash<TLS_12_PRF>(req.arg(0)); |
153 | 16.7k | } |
154 | 0 | } |
155 | 0 | #endif |
156 | 0 | |
157 | 0 | #if defined(BOTAN_HAS_X942_PRF) |
158 | 0 | if(req.algo_name() == "X9.42-PRF" && req.arg_count() == 1) |
159 | 0 | { |
160 | 0 | if(provider.empty() || provider == "base") |
161 | 0 | { |
162 | 0 | return std::unique_ptr<KDF>(new X942_PRF(req.arg(0))); |
163 | 0 | } |
164 | 0 | } |
165 | 0 | #endif |
166 | 0 | |
167 | 0 | #if defined(BOTAN_HAS_SP800_108) |
168 | 0 | if(req.algo_name() == "SP800-108-Counter" && req.arg_count() == 1) |
169 | 0 | { |
170 | 0 | if(provider.empty() || provider == "base") |
171 | 0 | { |
172 | 0 | return kdf_create_mac_or_hash<SP800_108_Counter>(req.arg(0)); |
173 | 0 | } |
174 | 0 | } |
175 | 0 | |
176 | 0 | if(req.algo_name() == "SP800-108-Feedback" && req.arg_count() == 1) |
177 | 0 | { |
178 | 0 | if(provider.empty() || provider == "base") |
179 | 0 | { |
180 | 0 | return kdf_create_mac_or_hash<SP800_108_Feedback>(req.arg(0)); |
181 | 0 | } |
182 | 0 | } |
183 | 0 | |
184 | 0 | if(req.algo_name() == "SP800-108-Pipeline" && req.arg_count() == 1) |
185 | 0 | { |
186 | 0 | if(provider.empty() || provider == "base") |
187 | 0 | { |
188 | 0 | return kdf_create_mac_or_hash<SP800_108_Pipeline>(req.arg(0)); |
189 | 0 | } |
190 | 0 | } |
191 | 0 | #endif |
192 | 0 | |
193 | 0 | #if defined(BOTAN_HAS_SP800_56A) |
194 | 0 | if(req.algo_name() == "SP800-56A" && req.arg_count() == 1) |
195 | 0 | { |
196 | 0 | if(auto hash = HashFunction::create(req.arg(0))) |
197 | 0 | return std::unique_ptr<KDF>(new SP800_56A_Hash(hash.release())); |
198 | 0 | if(auto mac = MessageAuthenticationCode::create(req.arg(0))) |
199 | 0 | return std::unique_ptr<KDF>(new SP800_56A_HMAC(mac.release())); |
200 | 0 | } |
201 | 0 | #endif |
202 | 0 | |
203 | 0 | #if defined(BOTAN_HAS_SP800_56C) |
204 | 0 | if(req.algo_name() == "SP800-56C" && req.arg_count() == 1) |
205 | 0 | { |
206 | 0 | std::unique_ptr<KDF> exp(kdf_create_mac_or_hash<SP800_108_Feedback>(req.arg(0))); |
207 | 0 | if(exp) |
208 | 0 | { |
209 | 0 | if(auto mac = MessageAuthenticationCode::create(req.arg(0))) |
210 | 0 | return std::unique_ptr<KDF>(new SP800_56C(mac.release(), exp.release())); |
211 | 0 | |
212 | 0 | if(auto mac = MessageAuthenticationCode::create("HMAC(" + req.arg(0) + ")")) |
213 | 0 | return std::unique_ptr<KDF>(new SP800_56C(mac.release(), exp.release())); |
214 | 0 | } |
215 | 0 | } |
216 | 0 | #endif |
217 | 0 | |
218 | 0 | BOTAN_UNUSED(req); |
219 | 0 | BOTAN_UNUSED(provider); |
220 | 0 |
|
221 | 0 | return nullptr; |
222 | 0 | } |
223 | | |
224 | | //static |
225 | | std::unique_ptr<KDF> |
226 | | KDF::create_or_throw(const std::string& algo, |
227 | | const std::string& provider) |
228 | 0 | { |
229 | 0 | if(auto kdf = KDF::create(algo, provider)) |
230 | 0 | { |
231 | 0 | return kdf; |
232 | 0 | } |
233 | 0 | throw Lookup_Error("KDF", algo, provider); |
234 | 0 | } |
235 | | |
236 | | std::vector<std::string> KDF::providers(const std::string& algo_spec) |
237 | 0 | { |
238 | 0 | return probe_providers_of<KDF>(algo_spec, { "base" }); |
239 | 0 | } |
240 | | |
241 | | KDF* get_kdf(const std::string& algo_spec) |
242 | 16.7k | { |
243 | 16.7k | SCAN_Name request(algo_spec); |
244 | 16.7k | |
245 | 16.7k | if(request.algo_name() == "Raw") |
246 | 0 | return nullptr; // No KDF |
247 | 16.7k | |
248 | 16.7k | //return KDF::create_or_throw(algo_spec).release(); |
249 | 16.7k | auto kdf = KDF::create(algo_spec); |
250 | 16.7k | if(!kdf) |
251 | 0 | throw Algorithm_Not_Found(algo_spec); |
252 | 16.7k | return kdf.release(); |
253 | 16.7k | } |
254 | | |
255 | | } |