/src/botan/src/lib/hash/hash.cpp
Line | Count | Source |
1 | | /* |
2 | | * Hash Functions |
3 | | * (C) 2015 Jack Lloyd |
4 | | * |
5 | | * Botan is released under the Simplified BSD License (see license.txt) |
6 | | */ |
7 | | |
8 | | #include <botan/hash.h> |
9 | | |
10 | | #include <botan/exceptn.h> |
11 | | #include <botan/internal/scan_name.h> |
12 | | |
13 | | #if defined(BOTAN_HAS_ADLER32) |
14 | | #include <botan/internal/adler32.h> |
15 | | #endif |
16 | | |
17 | | #if defined(BOTAN_HAS_CRC24) |
18 | | #include <botan/internal/crc24.h> |
19 | | #endif |
20 | | |
21 | | #if defined(BOTAN_HAS_CRC32) |
22 | | #include <botan/internal/crc32.h> |
23 | | #endif |
24 | | |
25 | | #if defined(BOTAN_HAS_GOST_34_11) |
26 | | #include <botan/internal/gost_3411.h> |
27 | | #endif |
28 | | |
29 | | #if defined(BOTAN_HAS_KECCAK) |
30 | | #include <botan/internal/keccak.h> |
31 | | #endif |
32 | | |
33 | | #if defined(BOTAN_HAS_MD4) |
34 | | #include <botan/internal/md4.h> |
35 | | #endif |
36 | | |
37 | | #if defined(BOTAN_HAS_MD5) |
38 | | #include <botan/internal/md5.h> |
39 | | #endif |
40 | | |
41 | | #if defined(BOTAN_HAS_RIPEMD_160) |
42 | | #include <botan/internal/rmd160.h> |
43 | | #endif |
44 | | |
45 | | #if defined(BOTAN_HAS_SHA1) |
46 | | #include <botan/internal/sha1.h> |
47 | | #endif |
48 | | |
49 | | #if defined(BOTAN_HAS_SHA2_32) |
50 | | #include <botan/internal/sha2_32.h> |
51 | | #endif |
52 | | |
53 | | #if defined(BOTAN_HAS_SHA2_64) |
54 | | #include <botan/internal/sha2_64.h> |
55 | | #endif |
56 | | |
57 | | #if defined(BOTAN_HAS_SHA3) |
58 | | #include <botan/internal/sha3.h> |
59 | | #endif |
60 | | |
61 | | #if defined(BOTAN_HAS_SHAKE) |
62 | | #include <botan/internal/shake.h> |
63 | | #endif |
64 | | |
65 | | #if defined(BOTAN_HAS_SKEIN_512) |
66 | | #include <botan/internal/skein_512.h> |
67 | | #endif |
68 | | |
69 | | #if defined(BOTAN_HAS_STREEBOG) |
70 | | #include <botan/internal/streebog.h> |
71 | | #endif |
72 | | |
73 | | #if defined(BOTAN_HAS_SM3) |
74 | | #include <botan/internal/sm3.h> |
75 | | #endif |
76 | | |
77 | | #if defined(BOTAN_HAS_WHIRLPOOL) |
78 | | #include <botan/internal/whirlpool.h> |
79 | | #endif |
80 | | |
81 | | #if defined(BOTAN_HAS_PARALLEL_HASH) |
82 | | #include <botan/internal/par_hash.h> |
83 | | #endif |
84 | | |
85 | | #if defined(BOTAN_HAS_TRUNCATED_HASH) |
86 | | #include <botan/internal/trunc_hash.h> |
87 | | #endif |
88 | | |
89 | | #if defined(BOTAN_HAS_COMB4P) |
90 | | #include <botan/internal/comb4p.h> |
91 | | #endif |
92 | | |
93 | | #if defined(BOTAN_HAS_BLAKE2B) |
94 | | #include <botan/internal/blake2b.h> |
95 | | #endif |
96 | | |
97 | | #if defined(BOTAN_HAS_BLAKE2S) |
98 | | #include <botan/internal/blake2s.h> |
99 | | #endif |
100 | | |
101 | | #if defined(BOTAN_HAS_COMMONCRYPTO) |
102 | | #include <botan/internal/commoncrypto.h> |
103 | | #endif |
104 | | |
105 | | namespace Botan { |
106 | | |
107 | 0 | std::unique_ptr<HashFunction> HashFunction::create(std::string_view algo_spec, std::string_view provider) { |
108 | | #if defined(BOTAN_HAS_COMMONCRYPTO) |
109 | | if(provider.empty() || provider == "commoncrypto") { |
110 | | if(auto hash = make_commoncrypto_hash(algo_spec)) |
111 | | return hash; |
112 | | |
113 | | if(!provider.empty()) |
114 | | return nullptr; |
115 | | } |
116 | | #endif |
117 | |
|
118 | 0 | if(provider.empty() == false && provider != "base") { |
119 | 0 | return nullptr; // unknown provider |
120 | 0 | } |
121 | | |
122 | 0 | #if defined(BOTAN_HAS_SHA1) |
123 | 0 | if(algo_spec == "SHA-1") { |
124 | 0 | return std::make_unique<SHA_1>(); |
125 | 0 | } |
126 | 0 | #endif |
127 | | |
128 | 0 | #if defined(BOTAN_HAS_SHA2_32) |
129 | 0 | if(algo_spec == "SHA-224") { |
130 | 0 | return std::make_unique<SHA_224>(); |
131 | 0 | } |
132 | | |
133 | 0 | if(algo_spec == "SHA-256") { |
134 | 0 | return std::make_unique<SHA_256>(); |
135 | 0 | } |
136 | 0 | #endif |
137 | | |
138 | 0 | #if defined(BOTAN_HAS_SHA2_64) |
139 | 0 | if(algo_spec == "SHA-384") { |
140 | 0 | return std::make_unique<SHA_384>(); |
141 | 0 | } |
142 | | |
143 | 0 | if(algo_spec == "SHA-512") { |
144 | 0 | return std::make_unique<SHA_512>(); |
145 | 0 | } |
146 | | |
147 | 0 | if(algo_spec == "SHA-512-256") { |
148 | 0 | return std::make_unique<SHA_512_256>(); |
149 | 0 | } |
150 | 0 | #endif |
151 | | |
152 | 0 | #if defined(BOTAN_HAS_RIPEMD_160) |
153 | 0 | if(algo_spec == "RIPEMD-160") { |
154 | 0 | return std::make_unique<RIPEMD_160>(); |
155 | 0 | } |
156 | 0 | #endif |
157 | | |
158 | 0 | #if defined(BOTAN_HAS_WHIRLPOOL) |
159 | 0 | if(algo_spec == "Whirlpool") { |
160 | 0 | return std::make_unique<Whirlpool>(); |
161 | 0 | } |
162 | 0 | #endif |
163 | | |
164 | 0 | #if defined(BOTAN_HAS_MD5) |
165 | 0 | if(algo_spec == "MD5") { |
166 | 0 | return std::make_unique<MD5>(); |
167 | 0 | } |
168 | 0 | #endif |
169 | | |
170 | 0 | #if defined(BOTAN_HAS_MD4) |
171 | 0 | if(algo_spec == "MD4") { |
172 | 0 | return std::make_unique<MD4>(); |
173 | 0 | } |
174 | 0 | #endif |
175 | | |
176 | 0 | #if defined(BOTAN_HAS_GOST_34_11) |
177 | 0 | if(algo_spec == "GOST-R-34.11-94" || algo_spec == "GOST-34.11") { |
178 | 0 | return std::make_unique<GOST_34_11>(); |
179 | 0 | } |
180 | 0 | #endif |
181 | | |
182 | 0 | #if defined(BOTAN_HAS_ADLER32) |
183 | 0 | if(algo_spec == "Adler32") { |
184 | 0 | return std::make_unique<Adler32>(); |
185 | 0 | } |
186 | 0 | #endif |
187 | | |
188 | 0 | #if defined(BOTAN_HAS_CRC24) |
189 | 0 | if(algo_spec == "CRC24") { |
190 | 0 | return std::make_unique<CRC24>(); |
191 | 0 | } |
192 | 0 | #endif |
193 | | |
194 | 0 | #if defined(BOTAN_HAS_CRC32) |
195 | 0 | if(algo_spec == "CRC32") { |
196 | 0 | return std::make_unique<CRC32>(); |
197 | 0 | } |
198 | 0 | #endif |
199 | | |
200 | 0 | #if defined(BOTAN_HAS_STREEBOG) |
201 | 0 | if(algo_spec == "Streebog-256") { |
202 | 0 | return std::make_unique<Streebog>(256); |
203 | 0 | } |
204 | 0 | if(algo_spec == "Streebog-512") { |
205 | 0 | return std::make_unique<Streebog>(512); |
206 | 0 | } |
207 | 0 | #endif |
208 | | |
209 | 0 | #if defined(BOTAN_HAS_SM3) |
210 | 0 | if(algo_spec == "SM3") { |
211 | 0 | return std::make_unique<SM3>(); |
212 | 0 | } |
213 | 0 | #endif |
214 | | |
215 | 0 | const SCAN_Name req(algo_spec); |
216 | |
|
217 | 0 | #if defined(BOTAN_HAS_SKEIN_512) |
218 | 0 | if(req.algo_name() == "Skein-512") { |
219 | 0 | return std::make_unique<Skein_512>(req.arg_as_integer(0, 512), req.arg(1, "")); |
220 | 0 | } |
221 | 0 | #endif |
222 | | |
223 | 0 | #if defined(BOTAN_HAS_BLAKE2B) |
224 | 0 | if(req.algo_name() == "Blake2b" || req.algo_name() == "BLAKE2b") { |
225 | 0 | return std::make_unique<BLAKE2b>(req.arg_as_integer(0, 512)); |
226 | 0 | } |
227 | 0 | #endif |
228 | | |
229 | 0 | #if defined(BOTAN_HAS_BLAKE2S) |
230 | 0 | if(req.algo_name() == "Blake2s" || req.algo_name() == "BLAKE2s") { |
231 | 0 | return std::make_unique<BLAKE2s>(req.arg_as_integer(0, 256)); |
232 | 0 | } |
233 | 0 | #endif |
234 | | |
235 | 0 | #if defined(BOTAN_HAS_KECCAK) |
236 | 0 | if(req.algo_name() == "Keccak-1600") { |
237 | 0 | return std::make_unique<Keccak_1600>(req.arg_as_integer(0, 512)); |
238 | 0 | } |
239 | 0 | #endif |
240 | | |
241 | 0 | #if defined(BOTAN_HAS_SHA3) |
242 | 0 | if(req.algo_name() == "SHA-3") { |
243 | 0 | return std::make_unique<SHA_3>(req.arg_as_integer(0, 512)); |
244 | 0 | } |
245 | 0 | #endif |
246 | | |
247 | 0 | #if defined(BOTAN_HAS_SHAKE) |
248 | 0 | if(req.algo_name() == "SHAKE-128" && req.arg_count() == 1) { |
249 | 0 | return std::make_unique<SHAKE_128>(req.arg_as_integer(0)); |
250 | 0 | } |
251 | 0 | if(req.algo_name() == "SHAKE-256" && req.arg_count() == 1) { |
252 | 0 | return std::make_unique<SHAKE_256>(req.arg_as_integer(0)); |
253 | 0 | } |
254 | 0 | #endif |
255 | | |
256 | 0 | #if defined(BOTAN_HAS_PARALLEL_HASH) |
257 | 0 | if(req.algo_name() == "Parallel") { |
258 | 0 | std::vector<std::unique_ptr<HashFunction>> hashes; |
259 | |
|
260 | 0 | for(size_t i = 0; i != req.arg_count(); ++i) { |
261 | 0 | auto h = HashFunction::create(req.arg(i)); |
262 | 0 | if(!h) { |
263 | 0 | return nullptr; |
264 | 0 | } |
265 | 0 | hashes.push_back(std::move(h)); |
266 | 0 | } |
267 | | |
268 | 0 | return std::make_unique<Parallel>(hashes); |
269 | 0 | } |
270 | 0 | #endif |
271 | | |
272 | 0 | #if defined(BOTAN_HAS_TRUNCATED_HASH) |
273 | 0 | if(req.algo_name() == "Truncated" && req.arg_count() == 2) { |
274 | 0 | auto hash = HashFunction::create(req.arg(0)); |
275 | 0 | if(!hash) { |
276 | 0 | return nullptr; |
277 | 0 | } |
278 | | |
279 | 0 | return std::make_unique<Truncated_Hash>(std::move(hash), req.arg_as_integer(1)); |
280 | 0 | } |
281 | 0 | #endif |
282 | | |
283 | 0 | #if defined(BOTAN_HAS_COMB4P) |
284 | 0 | if(req.algo_name() == "Comb4P" && req.arg_count() == 2) { |
285 | 0 | auto h1 = HashFunction::create(req.arg(0)); |
286 | 0 | auto h2 = HashFunction::create(req.arg(1)); |
287 | |
|
288 | 0 | if(h1 && h2) { |
289 | 0 | return std::make_unique<Comb4P>(std::move(h1), std::move(h2)); |
290 | 0 | } |
291 | 0 | } |
292 | 0 | #endif |
293 | | |
294 | 0 | return nullptr; |
295 | 0 | } |
296 | | |
297 | | //static |
298 | 0 | std::unique_ptr<HashFunction> HashFunction::create_or_throw(std::string_view algo, std::string_view provider) { |
299 | 0 | if(auto hash = HashFunction::create(algo, provider)) { |
300 | 0 | return hash; |
301 | 0 | } |
302 | 0 | throw Lookup_Error("Hash", algo, provider); |
303 | 0 | } |
304 | | |
305 | 0 | std::vector<std::string> HashFunction::providers(std::string_view algo_spec) { |
306 | 0 | return probe_providers_of<HashFunction>(algo_spec, {"base", "commoncrypto"}); |
307 | 0 | } |
308 | | |
309 | | } // namespace Botan |