/src/cryptofuzz/modules/botan/module.cpp
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1 | | #include "module.h" |
2 | | #include <cryptofuzz/util.h> |
3 | | #include <cryptofuzz/repository.h> |
4 | | #include <botan/aead.h> |
5 | | #include <botan/ber_dec.h> |
6 | | #include <botan/bigint.h> |
7 | | #include <botan/cipher_mode.h> |
8 | | #include <botan/curve25519.h> |
9 | | #include <botan/dh.h> |
10 | | #include <botan/dl_group.h> |
11 | | #include <botan/dsa.h> |
12 | | #include <botan/ecdsa.h> |
13 | | #include <botan/ecgdsa.h> |
14 | | #include <botan/ed25519.h> |
15 | | #include <botan/hash.h> |
16 | | #include <botan/kdf.h> |
17 | | #include <botan/mac.h> |
18 | | #include <botan/pubkey.h> |
19 | | #include <botan/pwdhash.h> |
20 | | #include <botan/system_rng.h> |
21 | | #include "bn_ops.h" |
22 | | |
23 | | namespace cryptofuzz { |
24 | | namespace module { |
25 | | |
26 | | Botan::Botan(void) : |
27 | 2 | Module("Botan") { |
28 | 2 | if ( setenv("BOTAN_MLOCK_POOL_SIZE", "0", 1) != 0 ) { |
29 | 0 | abort(); |
30 | 0 | } |
31 | | |
32 | | /* Add a few curves */ |
33 | | |
34 | 2 | { |
35 | 2 | const ::Botan::OID secp112r1_oid("1.3.132.0.6"); |
36 | 2 | const ::Botan::EC_Group secp112r1( |
37 | 2 | ::Botan::BigInt("4451685225093714772084598273548427"), |
38 | 2 | ::Botan::BigInt("4451685225093714772084598273548424"), |
39 | 2 | ::Botan::BigInt("2061118396808653202902996166388514"), |
40 | 2 | ::Botan::BigInt("188281465057972534892223778713752"), |
41 | 2 | ::Botan::BigInt("3419875491033170827167861896082688"), |
42 | 2 | ::Botan::BigInt("4451685225093714776491891542548933"), |
43 | 2 | 1, |
44 | 2 | secp112r1_oid); |
45 | 2 | ::Botan::OID::register_oid(secp112r1_oid, "secp112r1"); |
46 | 2 | } |
47 | | |
48 | 2 | { |
49 | 2 | const ::Botan::OID secp112r2_oid("1.3.132.0.7"); |
50 | 2 | const ::Botan::EC_Group secp112r2( |
51 | 2 | ::Botan::BigInt("4451685225093714772084598273548427"), |
52 | 2 | ::Botan::BigInt("1970543761890640310119143205433388"), |
53 | 2 | ::Botan::BigInt("1660538572255285715897238774208265"), |
54 | 2 | ::Botan::BigInt("1534098225527667214992304222930499"), |
55 | 2 | ::Botan::BigInt("3525120595527770847583704454622871"), |
56 | 2 | ::Botan::BigInt("1112921306273428674967732714786891"), |
57 | 2 | 4, |
58 | 2 | secp112r2_oid); |
59 | 2 | ::Botan::OID::register_oid(secp112r2_oid, "secp112r2"); |
60 | 2 | } |
61 | | |
62 | 2 | { |
63 | 2 | const ::Botan::OID secp128r1_oid("1.3.132.0.28"); |
64 | 2 | const ::Botan::EC_Group secp128r1( |
65 | 2 | ::Botan::BigInt("340282366762482138434845932244680310783"), |
66 | 2 | ::Botan::BigInt("340282366762482138434845932244680310780"), |
67 | 2 | ::Botan::BigInt("308990863222245658030922601041482374867"), |
68 | 2 | ::Botan::BigInt("29408993404948928992877151431649155974"), |
69 | 2 | ::Botan::BigInt("275621562871047521857442314737465260675"), |
70 | 2 | ::Botan::BigInt("340282366762482138443322565580356624661"), |
71 | 2 | 1, |
72 | 2 | secp128r1_oid); |
73 | 2 | ::Botan::OID::register_oid(secp128r1_oid, "secp128r1"); |
74 | 2 | } |
75 | | |
76 | 2 | { |
77 | 2 | const ::Botan::OID secp128r2_oid("1.3.132.0.29"); |
78 | 2 | const ::Botan::EC_Group secp128r2( |
79 | 2 | ::Botan::BigInt("340282366762482138434845932244680310783"), |
80 | 2 | ::Botan::BigInt("284470887156368047300405921324061011681"), |
81 | 2 | ::Botan::BigInt("126188322377389722996253562430093625949"), |
82 | 2 | ::Botan::BigInt("164048790688614013222215505581242564928"), |
83 | 2 | ::Botan::BigInt("52787839253935625605232456597451787076"), |
84 | 2 | ::Botan::BigInt("85070591690620534603955721926813660579"), |
85 | 2 | 4, |
86 | 2 | secp128r2_oid); |
87 | 2 | ::Botan::OID::register_oid(secp128r2_oid, "secp128r2"); |
88 | 2 | } |
89 | 2 | } |
90 | | |
91 | | #if !defined(CRYPTOFUZZ_BOTAN_IS_ORACLE) |
92 | | #define BOTAN_FUZZER_RNG Botan_detail::Fuzzer_RNG rng(ds); |
93 | | #else |
94 | 0 | #define BOTAN_FUZZER_RNG ::Botan::System_RNG rng; |
95 | | #endif /* CRYPTOFUZZ_BOTAN_IS_ORACLE */ |
96 | | |
97 | | #if !defined(CRYPTOFUZZ_BOTAN_IS_ORACLE) |
98 | | #define BOTAN_SET_GLOBAL_DS CF_NORET(util::SetGlobalDs(&ds)); |
99 | | #define BOTAN_UNSET_GLOBAL_DS CF_NORET(util::UnsetGlobalDs()); |
100 | | #else |
101 | | #define BOTAN_SET_GLOBAL_DS |
102 | | #define BOTAN_UNSET_GLOBAL_DS |
103 | | #endif |
104 | | |
105 | | namespace Botan_detail { |
106 | | |
107 | | #if !defined(CRYPTOFUZZ_BOTAN_IS_ORACLE) |
108 | | class Fuzzer_RNG final : public ::Botan::RandomNumberGenerator { |
109 | | private: |
110 | | Datasource& ds; |
111 | | public: |
112 | | Fuzzer_RNG(Datasource& ds) : |
113 | | ds(ds) |
114 | | { } |
115 | | |
116 | | bool is_seeded() const override { return true; } |
117 | | |
118 | | bool accepts_input() const override { return false; } |
119 | | |
120 | | void clear() override {} |
121 | | |
122 | | virtual void fill_bytes_with_input( |
123 | | std::span<uint8_t> output, |
124 | | std::span<const uint8_t> input) override { |
125 | | (void)input; |
126 | | |
127 | | if ( output.empty() ) { |
128 | | return; |
129 | | } |
130 | | |
131 | | const auto data = ds.GetData(0, output.size(), output.size()); |
132 | | |
133 | | std::copy(data.begin(), data.end(), output.begin()); |
134 | | } |
135 | | |
136 | | std::string name() const override { return "Fuzzer_RNG"; } |
137 | | }; |
138 | | #endif /* CRYPTOFUZZ_BOTAN_IS_ORACLE */ |
139 | | |
140 | 0 | const std::string parenthesize(const std::string parent, const std::string child) { |
141 | 0 | static const std::string pOpen("("); |
142 | 0 | static const std::string pClose(")"); |
143 | |
|
144 | 0 | return parent + pOpen + child + pClose; |
145 | 0 | } |
146 | | |
147 | 0 | std::optional<std::string> DigestIDToString(const uint64_t digestType, const bool altShake = false, const bool isHmac = false) { |
148 | 0 | #include "digest_string_lut.h" |
149 | 0 | std::optional<std::string> ret = std::nullopt; |
150 | |
|
151 | 0 | CF_CHECK_NE(LUT.find(digestType), LUT.end()); |
152 | |
|
153 | 0 | if ( isHmac == false ) { |
154 | 0 | if ( digestType == CF_DIGEST("SIPHASH64") || |
155 | 0 | digestType == CF_DIGEST("SIPHASH128") ) { |
156 | 0 | return std::nullopt; |
157 | 0 | } |
158 | 0 | } |
159 | 0 | if ( altShake == true && digestType == CF_DIGEST("SHAKE128") ) { |
160 | 0 | ret = "SHAKE-128(256)"; |
161 | 0 | } else if ( altShake == true && digestType == CF_DIGEST("SHAKE256") ) { |
162 | 0 | ret = "SHAKE-256(512)"; |
163 | 0 | } else if ( altShake == true && digestType == CF_DIGEST("SHAKE256_114") ) { |
164 | 0 | ret = "SHAKE-256(912)"; /* 114 bytes * 8 = 912 bits */ |
165 | 0 | } else { |
166 | 0 | ret = LUT.at(digestType); |
167 | 0 | } |
168 | 0 | end: |
169 | 0 | return ret; |
170 | 0 | } |
171 | | |
172 | | } /* namespace Botan_detail */ |
173 | | |
174 | 0 | std::optional<component::Digest> Botan::OpDigest(operation::Digest& op) { |
175 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
176 | 0 | std::optional<component::Digest> ret = std::nullopt; |
177 | 0 | std::unique_ptr<::Botan::HashFunction> hash = nullptr; |
178 | 0 | util::Multipart parts; |
179 | 0 | size_t numClears = 0; |
180 | | |
181 | | /* Initialize */ |
182 | 0 | { |
183 | 0 | BOTAN_SET_GLOBAL_DS |
184 | |
|
185 | 0 | std::optional<std::string> algoString; |
186 | 0 | CF_CHECK_NE(algoString = Botan_detail::DigestIDToString(op.digestType.Get()), std::nullopt); |
187 | 0 | CF_CHECK_NE(hash = ::Botan::HashFunction::create(*algoString), nullptr); |
188 | |
|
189 | 0 | parts = util::ToParts(ds, op.cleartext); |
190 | 0 | } |
191 | | |
192 | 0 | again: |
193 | | /* Process */ |
194 | 0 | for (const auto& part : parts) { |
195 | 0 | hash->update(part.first, part.second); |
196 | 0 | bool clear = false; |
197 | |
|
198 | 0 | if ( numClears < 3 ) { |
199 | 0 | try { |
200 | | #if !defined(CRYPTOFUZZ_BOTAN_IS_ORACLE) |
201 | | clear = ds.Get<bool>(); |
202 | | #endif /* CRYPTOFUZZ_BOTAN_IS_ORACLE */ |
203 | 0 | } catch ( ... ) { } |
204 | 0 | } |
205 | |
|
206 | 0 | if ( clear == true ) { |
207 | 0 | hash->clear(); |
208 | 0 | numClears++; |
209 | 0 | goto again; |
210 | 0 | } |
211 | 0 | } |
212 | | |
213 | | /* Finalize */ |
214 | 0 | { |
215 | 0 | const auto res = hash->final(); |
216 | 0 | ret = component::Digest(res.data(), res.size()); |
217 | 0 | } |
218 | |
|
219 | 0 | end: |
220 | 0 | BOTAN_UNSET_GLOBAL_DS |
221 | |
|
222 | 0 | return ret; |
223 | 0 | } |
224 | | |
225 | 0 | std::optional<component::MAC> Botan::OpHMAC(operation::HMAC& op) { |
226 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
227 | 0 | std::optional<component::MAC> ret = std::nullopt; |
228 | 0 | std::unique_ptr<::Botan::MessageAuthenticationCode> hmac = nullptr; |
229 | 0 | util::Multipart parts; |
230 | |
|
231 | 0 | try { |
232 | | /* Initialize */ |
233 | 0 | { |
234 | 0 | BOTAN_SET_GLOBAL_DS |
235 | |
|
236 | 0 | std::optional<std::string> algoString; |
237 | 0 | CF_CHECK_NE(algoString = Botan_detail::DigestIDToString(op.digestType.Get(), true, true), std::nullopt); |
238 | |
|
239 | 0 | std::string hmacString; |
240 | 0 | if ( |
241 | 0 | op.digestType.Is(CF_DIGEST("SIPHASH64")) || |
242 | 0 | op.digestType.Is(CF_DIGEST("BLAKE2B_MAC")) ) { |
243 | 0 | hmacString = *algoString; |
244 | 0 | } else { |
245 | 0 | hmacString = Botan_detail::parenthesize("HMAC", *algoString); |
246 | 0 | } |
247 | |
|
248 | 0 | CF_CHECK_NE(hmac = ::Botan::MessageAuthenticationCode::create(hmacString), nullptr); |
249 | |
|
250 | 0 | try { |
251 | 0 | hmac->set_key(op.cipher.key.GetPtr(), op.cipher.key.GetSize()); |
252 | 0 | } catch ( ... ) { |
253 | 0 | goto end; |
254 | 0 | } |
255 | | |
256 | 0 | parts = util::ToParts(ds, op.cleartext); |
257 | 0 | } |
258 | | |
259 | | /* Process */ |
260 | 0 | for (const auto& part : parts) { |
261 | 0 | hmac->update(part.first, part.second); |
262 | 0 | } |
263 | | |
264 | | /* Finalize */ |
265 | 0 | { |
266 | 0 | const auto res = hmac->final(); |
267 | 0 | ret = component::MAC(res.data(), res.size()); |
268 | 0 | } |
269 | |
|
270 | 0 | } catch ( ... ) { } |
271 | | |
272 | 0 | end: |
273 | 0 | BOTAN_UNSET_GLOBAL_DS |
274 | |
|
275 | 0 | return ret; |
276 | 0 | } |
277 | | |
278 | | namespace Botan_detail { |
279 | | |
280 | 0 | std::optional<std::string> CipherIDToString(const uint64_t digestType, const bool withMode = true) { |
281 | 0 | #include "cipher_string_lut.h" |
282 | 0 | std::optional<std::string> ret = std::nullopt; |
283 | |
|
284 | 0 | CF_CHECK_NE(LUT.find(digestType), LUT.end()); |
285 | 0 | ret = withMode ? LUT.at(digestType).first : LUT.at(digestType).second; |
286 | 0 | end: |
287 | 0 | return ret; |
288 | 0 | } |
289 | | |
290 | | template <class OperationType> |
291 | | const uint8_t* GetInPtr(const OperationType& op); |
292 | | |
293 | | template <> |
294 | 0 | const uint8_t* GetInPtr(const operation::SymmetricEncrypt& op) { |
295 | 0 | return op.cleartext.GetPtr(); |
296 | 0 | } |
297 | | |
298 | | template <> |
299 | 0 | const uint8_t* GetInPtr(const operation::SymmetricDecrypt& op) { |
300 | 0 | return op.ciphertext.GetPtr(); |
301 | 0 | } |
302 | | |
303 | | template <class OperationType> |
304 | | size_t GetInSize(const OperationType& op); |
305 | | |
306 | | template <> |
307 | 0 | size_t GetInSize(const operation::SymmetricEncrypt& op) { |
308 | 0 | return op.cleartext.GetSize(); |
309 | 0 | } |
310 | | |
311 | | template <> |
312 | 0 | size_t GetInSize(const operation::SymmetricDecrypt& op) { |
313 | 0 | return op.ciphertext.GetSize(); |
314 | 0 | } |
315 | | |
316 | | template <class OperationType> |
317 | | ::Botan::Cipher_Dir GetCryptType(void); |
318 | | |
319 | | template <> |
320 | 0 | ::Botan::Cipher_Dir GetCryptType<operation::SymmetricEncrypt>(void) { |
321 | 0 | return ::Botan::Cipher_Dir::Encryption; |
322 | 0 | } |
323 | | |
324 | | template <> |
325 | 0 | ::Botan::Cipher_Dir GetCryptType<operation::SymmetricDecrypt>(void) { |
326 | 0 | return ::Botan::Cipher_Dir::Decryption; |
327 | 0 | } |
328 | | |
329 | | template <class OperationType> |
330 | | std::optional<size_t> GetTagSize(const OperationType& op); |
331 | | |
332 | | template <> |
333 | 0 | std::optional<size_t> GetTagSize<>(const operation::SymmetricEncrypt& op) { |
334 | 0 | if ( op.tagSize == std::nullopt ) { |
335 | 0 | return std::nullopt; |
336 | 0 | } |
337 | | |
338 | 0 | return *op.tagSize; |
339 | 0 | } |
340 | | |
341 | | template <> |
342 | 0 | std::optional<size_t> GetTagSize<>(const operation::SymmetricDecrypt& op) { |
343 | 0 | if ( op.tag == std::nullopt ) { |
344 | 0 | return std::nullopt; |
345 | 0 | } |
346 | | |
347 | 0 | return op.tag->GetSize(); |
348 | 0 | } |
349 | | |
350 | | template <class OperationType> |
351 | | const uint8_t* GetTagPtr(const OperationType& op); |
352 | | |
353 | | template <> |
354 | 0 | const uint8_t* GetTagPtr<>(const operation::SymmetricEncrypt& op) { |
355 | 0 | (void)op; |
356 | |
|
357 | 0 | return nullptr; |
358 | 0 | } |
359 | | |
360 | | template <> |
361 | 0 | const uint8_t* GetTagPtr<>(const operation::SymmetricDecrypt& op) { |
362 | 0 | if ( op.tag == std::nullopt ) { |
363 | 0 | return nullptr; |
364 | 0 | } |
365 | | |
366 | 0 | return op.tag->GetPtr(); |
367 | 0 | } |
368 | | |
369 | | template <class CryptClass> |
370 | | void SetAAD(std::shared_ptr<CryptClass> crypt, const std::optional<component::AAD>& aad); |
371 | | |
372 | | template <> |
373 | 0 | void SetAAD<>(std::shared_ptr<::Botan::AEAD_Mode> crypt, const std::optional<component::AAD>& aad) { |
374 | 0 | if ( aad != std::nullopt ) { |
375 | 0 | crypt->set_associated_data(aad->Get()); |
376 | 0 | } |
377 | 0 | } |
378 | | |
379 | | template <> |
380 | 0 | void SetAAD<>(std::shared_ptr<::Botan::Cipher_Mode> crypt, const std::optional<component::AAD>& aad) { |
381 | 0 | (void)crypt; |
382 | 0 | (void)aad; |
383 | 0 | } |
384 | | |
385 | | template <class OperationType> |
386 | 0 | ::Botan::secure_vector<uint8_t> GetInData(const OperationType& op) { |
387 | 0 | const auto inPtr = GetInPtr(op); |
388 | 0 | ::Botan::secure_vector<uint8_t> ret(inPtr, inPtr + GetInSize(op)); |
389 | |
|
390 | 0 | if ( GetCryptType<OperationType>() == ::Botan::Cipher_Dir::Encryption ) { |
391 | 0 | return ret; |
392 | 0 | } |
393 | | |
394 | 0 | const auto tagSize = GetTagSize(op); |
395 | |
|
396 | 0 | if ( tagSize == std::nullopt || *tagSize == 0 ) { |
397 | 0 | return ret; |
398 | 0 | } |
399 | | |
400 | | /* Append the tag */ |
401 | | |
402 | 0 | ret.resize(ret.size() + *tagSize); |
403 | |
|
404 | 0 | memcpy(ret.data() + GetInSize(op), GetTagPtr(op), *tagSize); |
405 | |
|
406 | 0 | return ret; |
407 | 0 | } Unexecuted instantiation: std::__1::vector<unsigned char, Botan::secure_allocator<unsigned char> > cryptofuzz::module::Botan_detail::GetInData<cryptofuzz::operation::SymmetricEncrypt>(cryptofuzz::operation::SymmetricEncrypt const&) Unexecuted instantiation: std::__1::vector<unsigned char, Botan::secure_allocator<unsigned char> > cryptofuzz::module::Botan_detail::GetInData<cryptofuzz::operation::SymmetricDecrypt>(cryptofuzz::operation::SymmetricDecrypt const&) |
408 | | |
409 | | template <class ReturnType> |
410 | | ReturnType ToReturnType(const ::Botan::secure_vector<uint8_t>& data, std::optional<size_t> tagSize); |
411 | | |
412 | | template <> |
413 | 0 | component::Ciphertext ToReturnType(const ::Botan::secure_vector<uint8_t>& data, std::optional<size_t> tagSize) { |
414 | 0 | if ( tagSize == std::nullopt ) { |
415 | 0 | return component::Ciphertext(Buffer(data.data(), data.size())); |
416 | 0 | } |
417 | | |
418 | 0 | const size_t ciphertextSize = data.size() - *tagSize; |
419 | |
|
420 | 0 | return component::Ciphertext(Buffer(data.data(), ciphertextSize), Buffer(data.data() + ciphertextSize, *tagSize)); |
421 | 0 | } |
422 | | |
423 | | template <> |
424 | 0 | component::Cleartext ToReturnType(const ::Botan::secure_vector<uint8_t>& data, std::optional<size_t> tagSize) { |
425 | 0 | (void)tagSize; |
426 | |
|
427 | 0 | return component::Cleartext(Buffer(data.data(), data.size())); |
428 | 0 | } |
429 | | |
430 | | template <class ReturnType, class OperationType, class CryptClass> |
431 | 0 | std::optional<ReturnType> Crypt(OperationType& op, Datasource& ds) { |
432 | 0 | std::optional<ReturnType> ret = std::nullopt; |
433 | |
|
434 | 0 | if ( typeid(CryptClass) == typeid(::Botan::Cipher_Mode) ) { |
435 | 0 | if ( op.aad != std::nullopt ) { |
436 | 0 | return std::nullopt; |
437 | 0 | } |
438 | 0 | if ( GetTagSize(op) != std::nullopt ) { |
439 | 0 | return std::nullopt; |
440 | 0 | } |
441 | 0 | } |
442 | | |
443 | 0 | std::shared_ptr<CryptClass> crypt = nullptr; |
444 | 0 | const ::Botan::SymmetricKey key(op.cipher.key.GetPtr(), op.cipher.key.GetSize()); |
445 | 0 | const ::Botan::InitializationVector iv(op.cipher.iv.GetPtr(), op.cipher.iv.GetSize()); |
446 | 0 | ::Botan::secure_vector<uint8_t> in = GetInData(op); |
447 | 0 | ::Botan::secure_vector<uint8_t> out; |
448 | 0 | bool useOneShot = true; |
449 | 0 | util::Multipart parts; |
450 | |
|
451 | 0 | const std::optional<size_t> tagSize = GetTagSize(op); |
452 | |
|
453 | 0 | try { |
454 | | /* Initialize */ |
455 | 0 | { |
456 | 0 | std::optional<std::string> _algoString; |
457 | 0 | CF_CHECK_NE(_algoString = Botan_detail::CipherIDToString(op.cipher.cipherType.Get()), std::nullopt); |
458 | 0 | std::string algoString; |
459 | 0 | if ( tagSize == std::nullopt ) { |
460 | 0 | algoString = Botan_detail::parenthesize(*_algoString, std::to_string(0)); |
461 | 0 | } else { |
462 | 0 | algoString = Botan_detail::parenthesize(*_algoString, std::to_string(*tagSize)); |
463 | 0 | } |
464 | |
|
465 | 0 | CF_CHECK_NE(crypt = CryptClass::create(algoString, GetCryptType<OperationType>()), nullptr); |
466 | 0 | crypt->set_key(key); |
467 | |
|
468 | 0 | SetAAD(crypt, op.aad); |
469 | |
|
470 | 0 | crypt->start(iv.bits_of()); |
471 | 0 | if ( crypt->update_granularity() == 1 ) { |
472 | 0 | try { |
473 | 0 | useOneShot = ds.Get<bool>(); |
474 | 0 | } catch ( fuzzing::datasource::Datasource::OutOfData ) { } |
475 | 0 | } |
476 | 0 | if ( useOneShot == false ) { |
477 | 0 | parts = util::ToParts(ds, GetInPtr(op), GetInSize(op)); |
478 | 0 | } |
479 | 0 | } |
480 | | |
481 | | /* Process */ |
482 | 0 | { |
483 | 0 | if ( useOneShot == true ) { |
484 | 0 | crypt->finish(in); |
485 | 0 | } else { |
486 | 0 | for (const auto& part : parts) { |
487 | 0 | std::vector<uint8_t> tmp(part.first, part.first + part.second); |
488 | 0 | const auto num = crypt->process(tmp.data(), tmp.size()); |
489 | 0 | out.insert(out.end(), tmp.begin(), tmp.begin() + num); |
490 | 0 | } |
491 | 0 | crypt->finish(out, out.size()); |
492 | 0 | } |
493 | 0 | } |
494 | | |
495 | | /* Finalize */ |
496 | 0 | { |
497 | | /* TODO take max output size in consideration */ |
498 | |
|
499 | 0 | if ( useOneShot == true ) { |
500 | 0 | ret = ToReturnType<ReturnType>(in, tagSize); |
501 | 0 | } else { |
502 | 0 | ret = ToReturnType<ReturnType>(::Botan::secure_vector<uint8_t>(out.data(), out.data() + out.size()), tagSize); |
503 | 0 | } |
504 | 0 | } |
505 | 0 | } catch ( ... ) { } |
506 | 0 | end: |
507 | |
|
508 | 0 | return ret; |
509 | 0 | } Unexecuted instantiation: std::__1::optional<cryptofuzz::component::Ciphertext> cryptofuzz::module::Botan_detail::Crypt<cryptofuzz::component::Ciphertext, cryptofuzz::operation::SymmetricEncrypt, Botan::AEAD_Mode>(cryptofuzz::operation::SymmetricEncrypt&, fuzzing::datasource::Datasource&) Unexecuted instantiation: std::__1::optional<cryptofuzz::component::Ciphertext> cryptofuzz::module::Botan_detail::Crypt<cryptofuzz::component::Ciphertext, cryptofuzz::operation::SymmetricEncrypt, Botan::Cipher_Mode>(cryptofuzz::operation::SymmetricEncrypt&, fuzzing::datasource::Datasource&) Unexecuted instantiation: std::__1::optional<cryptofuzz::Buffer> cryptofuzz::module::Botan_detail::Crypt<cryptofuzz::Buffer, cryptofuzz::operation::SymmetricDecrypt, Botan::AEAD_Mode>(cryptofuzz::operation::SymmetricDecrypt&, fuzzing::datasource::Datasource&) Unexecuted instantiation: std::__1::optional<cryptofuzz::Buffer> cryptofuzz::module::Botan_detail::Crypt<cryptofuzz::Buffer, cryptofuzz::operation::SymmetricDecrypt, Botan::Cipher_Mode>(cryptofuzz::operation::SymmetricDecrypt&, fuzzing::datasource::Datasource&) |
510 | | |
511 | | } /* namespace Botan_detail */ |
512 | | |
513 | 0 | std::optional<component::MAC> Botan::OpCMAC(operation::CMAC& op) { |
514 | 0 | if ( !repository::IsCBC(op.cipher.cipherType.Get()) ) { |
515 | 0 | return std::nullopt; |
516 | 0 | } |
517 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
518 | 0 | std::optional<component::MAC> ret = std::nullopt; |
519 | 0 | std::unique_ptr<::Botan::MessageAuthenticationCode> cmac = nullptr; |
520 | 0 | util::Multipart parts; |
521 | |
|
522 | 0 | try { |
523 | | /* Initialize */ |
524 | 0 | { |
525 | 0 | BOTAN_SET_GLOBAL_DS |
526 | |
|
527 | 0 | std::optional<std::string> algoString; |
528 | 0 | CF_CHECK_NE(algoString = Botan_detail::CipherIDToString(op.cipher.cipherType.Get(), false), std::nullopt); |
529 | |
|
530 | 0 | const std::string cmacString = Botan_detail::parenthesize("CMAC", *algoString); |
531 | |
|
532 | 0 | CF_CHECK_NE(cmac = ::Botan::MessageAuthenticationCode::create(cmacString), nullptr); |
533 | |
|
534 | 0 | try { |
535 | 0 | cmac->set_key(op.cipher.key.GetPtr(), op.cipher.key.GetSize()); |
536 | 0 | } catch ( ... ) { |
537 | 0 | goto end; |
538 | 0 | } |
539 | | |
540 | 0 | parts = util::ToParts(ds, op.cleartext); |
541 | 0 | } |
542 | | |
543 | | /* Process */ |
544 | 0 | for (const auto& part : parts) { |
545 | 0 | cmac->update(part.first, part.second); |
546 | 0 | } |
547 | | |
548 | | /* Finalize */ |
549 | 0 | { |
550 | 0 | const auto res = cmac->final(); |
551 | 0 | ret = component::MAC(res.data(), res.size()); |
552 | 0 | } |
553 | |
|
554 | 0 | } catch ( ... ) { } |
555 | | |
556 | 0 | end: |
557 | 0 | BOTAN_UNSET_GLOBAL_DS |
558 | |
|
559 | 0 | return ret; |
560 | 0 | } |
561 | | |
562 | 0 | std::optional<component::Ciphertext> Botan::OpSymmetricEncrypt(operation::SymmetricEncrypt& op) { |
563 | 0 | if ( op.cipher.cipherType.Is(CF_CIPHER("CHACHA20_POLY1305")) && op.cipher.iv.GetSize() == 24 ) { |
564 | | /* Botan interpretes CHACHA20_POLY1305 + 192 bits IV as XCHACHA20_POLY1305 */ |
565 | 0 | return std::nullopt; |
566 | 0 | } |
567 | | |
568 | 0 | std::optional<component::Ciphertext> ret = std::nullopt; |
569 | |
|
570 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
571 | 0 | BOTAN_SET_GLOBAL_DS |
572 | |
|
573 | 0 | if ( cryptofuzz::repository::IsAEAD(op.cipher.cipherType.Get()) ) { |
574 | 0 | ret = Botan_detail::Crypt<component::Ciphertext, operation::SymmetricEncrypt, ::Botan::AEAD_Mode>(op, ds); |
575 | 0 | } else { |
576 | 0 | ret = Botan_detail::Crypt<component::Ciphertext, operation::SymmetricEncrypt, ::Botan::Cipher_Mode>(op, ds); |
577 | 0 | } |
578 | | |
579 | | BOTAN_UNSET_GLOBAL_DS |
580 | |
|
581 | 0 | return ret; |
582 | 0 | } |
583 | | |
584 | 0 | std::optional<component::Cleartext> Botan::OpSymmetricDecrypt(operation::SymmetricDecrypt& op) { |
585 | 0 | if ( op.cipher.cipherType.Is(CF_CIPHER("CHACHA20_POLY1305")) && op.cipher.iv.GetSize() == 24 ) { |
586 | 0 | return std::nullopt; |
587 | 0 | } |
588 | | |
589 | 0 | std::optional<component::Cleartext> ret = std::nullopt; |
590 | |
|
591 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
592 | 0 | BOTAN_SET_GLOBAL_DS |
593 | |
|
594 | 0 | if ( cryptofuzz::repository::IsAEAD(op.cipher.cipherType.Get()) ) { |
595 | 0 | ret = Botan_detail::Crypt<component::Cleartext, operation::SymmetricDecrypt, ::Botan::AEAD_Mode>(op, ds); |
596 | 0 | } else { |
597 | 0 | ret = Botan_detail::Crypt<component::Cleartext, operation::SymmetricDecrypt, ::Botan::Cipher_Mode>(op, ds); |
598 | 0 | } |
599 | | |
600 | | BOTAN_UNSET_GLOBAL_DS |
601 | |
|
602 | 0 | return ret; |
603 | 0 | } |
604 | | |
605 | 0 | std::optional<component::Key> Botan::OpKDF_SCRYPT(operation::KDF_SCRYPT& op) { |
606 | 0 | std::optional<component::Key> ret = std::nullopt; |
607 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
608 | 0 | std::unique_ptr<::Botan::PasswordHashFamily> pwdhash_fam = nullptr; |
609 | 0 | std::unique_ptr<::Botan::PasswordHash> pwdhash = nullptr; |
610 | 0 | uint8_t* out = util::malloc(op.keySize); |
611 | |
|
612 | 0 | try { |
613 | | /* Initialize */ |
614 | 0 | { |
615 | 0 | BOTAN_SET_GLOBAL_DS |
616 | |
|
617 | 0 | CF_CHECK_NE(pwdhash_fam = ::Botan::PasswordHashFamily::create("Scrypt"), nullptr); |
618 | 0 | CF_CHECK_NE(pwdhash = pwdhash_fam->from_params(op.N, op.r, op.p), nullptr); |
619 | |
|
620 | 0 | } |
621 | | |
622 | | /* Process */ |
623 | 0 | { |
624 | 0 | pwdhash->derive_key( |
625 | 0 | out, |
626 | 0 | op.keySize, |
627 | 0 | (const char*)op.password.GetPtr(), |
628 | 0 | op.password.GetSize(), |
629 | 0 | op.salt.GetPtr(), |
630 | 0 | op.salt.GetSize()); |
631 | 0 | } |
632 | | |
633 | | /* Finalize */ |
634 | 0 | { |
635 | 0 | ret = component::Key(out, op.keySize); |
636 | 0 | } |
637 | 0 | } catch ( ... ) { } |
638 | | |
639 | 0 | end: |
640 | 0 | util::free(out); |
641 | | |
642 | | BOTAN_UNSET_GLOBAL_DS |
643 | |
|
644 | 0 | return ret; |
645 | 0 | } |
646 | | |
647 | 0 | std::optional<component::Key> Botan::OpKDF_HKDF(operation::KDF_HKDF& op) { |
648 | 0 | std::optional<component::Key> ret = std::nullopt; |
649 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
650 | 0 | std::unique_ptr<::Botan::KDF> hkdf = nullptr; |
651 | |
|
652 | 0 | try { |
653 | 0 | { |
654 | 0 | BOTAN_SET_GLOBAL_DS |
655 | |
|
656 | 0 | std::optional<std::string> algoString; |
657 | 0 | CF_CHECK_NE(algoString = Botan_detail::DigestIDToString(op.digestType.Get(), true), std::nullopt); |
658 | |
|
659 | 0 | const std::string hkdfString = Botan_detail::parenthesize("HKDF", *algoString); |
660 | 0 | hkdf = ::Botan::KDF::create(hkdfString); |
661 | 0 | } |
662 | | |
663 | 0 | { |
664 | 0 | auto derived = hkdf->derive_key(op.keySize, op.password.Get(), op.salt.Get(), op.info.Get()); |
665 | |
|
666 | 0 | ret = component::Key(derived.data(), derived.size()); |
667 | 0 | } |
668 | 0 | } catch ( ... ) { } |
669 | | |
670 | 0 | end: |
671 | 0 | BOTAN_UNSET_GLOBAL_DS |
672 | |
|
673 | 0 | return ret; |
674 | 0 | } |
675 | | |
676 | 0 | std::optional<component::Key> Botan::OpKDF_PBKDF2(operation::KDF_PBKDF2& op) { |
677 | 0 | std::optional<component::Key> ret = std::nullopt; |
678 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
679 | 0 | std::unique_ptr<::Botan::PasswordHashFamily> pwdhash_fam = nullptr; |
680 | 0 | std::unique_ptr<::Botan::PasswordHash> pwdhash = nullptr; |
681 | 0 | uint8_t* out = util::malloc(op.keySize); |
682 | |
|
683 | 0 | try { |
684 | | /* Initialize */ |
685 | 0 | { |
686 | 0 | BOTAN_SET_GLOBAL_DS |
687 | |
|
688 | 0 | std::optional<std::string> algoString; |
689 | 0 | CF_CHECK_NE(algoString = Botan_detail::DigestIDToString(op.digestType.Get(), true), std::nullopt); |
690 | |
|
691 | 0 | const std::string pbkdf2String = Botan_detail::parenthesize("PBKDF2", *algoString); |
692 | 0 | CF_CHECK_NE(pwdhash_fam = ::Botan::PasswordHashFamily::create(pbkdf2String), nullptr); |
693 | |
|
694 | 0 | CF_CHECK_NE(pwdhash = pwdhash_fam->from_params(op.iterations), nullptr); |
695 | |
|
696 | 0 | } |
697 | | |
698 | | /* Process */ |
699 | 0 | { |
700 | 0 | pwdhash->derive_key( |
701 | 0 | out, |
702 | 0 | op.keySize, |
703 | 0 | (const char*)op.password.GetPtr(), |
704 | 0 | op.password.GetSize(), |
705 | 0 | op.salt.GetPtr(), |
706 | 0 | op.salt.GetSize()); |
707 | 0 | } |
708 | | |
709 | | /* Finalize */ |
710 | 0 | { |
711 | 0 | ret = component::Key(out, op.keySize); |
712 | 0 | } |
713 | 0 | } catch ( ... ) { } |
714 | | |
715 | 0 | end: |
716 | 0 | util::free(out); |
717 | | |
718 | | BOTAN_UNSET_GLOBAL_DS |
719 | |
|
720 | 0 | return ret; |
721 | 0 | } |
722 | | |
723 | 0 | std::optional<component::Key> Botan::OpKDF_ARGON2(operation::KDF_ARGON2& op) { |
724 | 0 | std::optional<component::Key> ret = std::nullopt; |
725 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
726 | 0 | std::unique_ptr<::Botan::PasswordHashFamily> pwdhash_fam = nullptr; |
727 | 0 | std::unique_ptr<::Botan::PasswordHash> pwdhash = nullptr; |
728 | 0 | uint8_t* out = util::malloc(op.keySize); |
729 | |
|
730 | 0 | try { |
731 | | /* Initialize */ |
732 | 0 | { |
733 | 0 | BOTAN_SET_GLOBAL_DS |
734 | |
|
735 | 0 | std::string argon2String; |
736 | |
|
737 | 0 | switch ( op.type ) { |
738 | 0 | case 0: |
739 | 0 | argon2String = "Argon2d"; |
740 | 0 | break; |
741 | 0 | case 1: |
742 | 0 | argon2String = "Argon2i"; |
743 | 0 | break; |
744 | 0 | case 2: |
745 | 0 | argon2String = "Argon2id"; |
746 | 0 | break; |
747 | 0 | default: |
748 | 0 | goto end; |
749 | 0 | } |
750 | 0 | CF_CHECK_NE(pwdhash_fam = ::Botan::PasswordHashFamily::create(argon2String), nullptr); |
751 | |
|
752 | 0 | CF_CHECK_NE(pwdhash = pwdhash_fam->from_params( |
753 | 0 | op.memory, |
754 | 0 | op.iterations, |
755 | 0 | op.threads), nullptr); |
756 | 0 | } |
757 | | |
758 | | /* Process */ |
759 | 0 | { |
760 | 0 | pwdhash->derive_key( |
761 | 0 | out, |
762 | 0 | op.keySize, |
763 | 0 | (const char*)op.password.GetPtr(), |
764 | 0 | op.password.GetSize(), |
765 | 0 | op.salt.GetPtr(), |
766 | 0 | op.salt.GetSize()); |
767 | 0 | } |
768 | | |
769 | | /* Finalize */ |
770 | 0 | { |
771 | 0 | ret = component::Key(out, op.keySize); |
772 | 0 | } |
773 | 0 | } catch ( ... ) { } |
774 | | |
775 | 0 | end: |
776 | 0 | util::free(out); |
777 | | |
778 | | BOTAN_UNSET_GLOBAL_DS |
779 | |
|
780 | 0 | return ret; |
781 | 0 | } |
782 | | |
783 | 0 | std::optional<component::Key> Botan::OpKDF_SP_800_108(operation::KDF_SP_800_108& op) { |
784 | 0 | std::optional<component::Key> ret = std::nullopt; |
785 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
786 | 0 | uint8_t* out = util::malloc(op.keySize); |
787 | 0 | std::unique_ptr<::Botan::KDF> sp_800_108 = nullptr; |
788 | |
|
789 | 0 | try { |
790 | 0 | BOTAN_SET_GLOBAL_DS |
791 | |
|
792 | 0 | std::optional<std::string> algoString; |
793 | 0 | CF_CHECK_NE(algoString = Botan_detail::DigestIDToString(op.mech.type.Get(), true), std::nullopt); |
794 | |
|
795 | 0 | const std::string hmacString = Botan_detail::parenthesize("HMAC", *algoString); |
796 | 0 | std::string sp_800_108_string; |
797 | 0 | switch ( op.mode ) { |
798 | 0 | case 0: |
799 | 0 | sp_800_108_string = Botan_detail::parenthesize("SP800-108-Counter", hmacString); |
800 | 0 | break; |
801 | 0 | case 1: |
802 | 0 | sp_800_108_string = Botan_detail::parenthesize("SP800-108-Feedback", hmacString); |
803 | 0 | break; |
804 | 0 | case 2: |
805 | 0 | sp_800_108_string = Botan_detail::parenthesize("SP800-108-Pipeline", hmacString); |
806 | 0 | break; |
807 | 0 | default: |
808 | 0 | goto end; |
809 | 0 | } |
810 | | |
811 | 0 | sp_800_108 = ::Botan::KDF::create(sp_800_108_string); |
812 | |
|
813 | 0 | { |
814 | 0 | auto derived = sp_800_108->derive_key(op.keySize, op.secret.Get(), op.salt.Get(), op.label.Get()); |
815 | |
|
816 | 0 | ret = component::Key(derived.data(), derived.size()); |
817 | 0 | } |
818 | 0 | } catch ( ... ) { } |
819 | | |
820 | 0 | end: |
821 | 0 | util::free(out); |
822 | | |
823 | | BOTAN_UNSET_GLOBAL_DS |
824 | |
|
825 | 0 | return ret; |
826 | 0 | } |
827 | | |
828 | 0 | std::optional<component::Key> Botan::OpKDF_TLS1_PRF(operation::KDF_TLS1_PRF& op) { |
829 | 0 | std::optional<component::Key> ret = std::nullopt; |
830 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
831 | 0 | std::unique_ptr<::Botan::KDF> tlsprf = nullptr; |
832 | |
|
833 | 0 | try { |
834 | 0 | BOTAN_SET_GLOBAL_DS |
835 | |
|
836 | 0 | { |
837 | 0 | CF_CHECK_EQ(op.digestType.Get(), CF_DIGEST("MD5_SHA1")); |
838 | 0 | CF_CHECK_NE(tlsprf = ::Botan::KDF::create("TLS-PRF()"), nullptr); |
839 | 0 | } |
840 | | |
841 | 0 | { |
842 | 0 | const auto derived = tlsprf->derive_key(op.keySize, op.secret.Get(), op.seed.Get(), std::vector<uint8_t>{}); |
843 | |
|
844 | 0 | ret = component::Key(derived.data(), derived.size()); |
845 | 0 | } |
846 | 0 | } catch ( ... ) { } |
847 | | |
848 | 0 | end: |
849 | 0 | BOTAN_UNSET_GLOBAL_DS |
850 | |
|
851 | 0 | return ret; |
852 | 0 | } |
853 | | |
854 | 0 | std::optional<component::Key> Botan::OpKDF_BCRYPT(operation::KDF_BCRYPT& op) { |
855 | 0 | std::optional<component::Key> ret = std::nullopt; |
856 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
857 | 0 | std::unique_ptr<::Botan::PasswordHashFamily> pwdhash_fam = nullptr; |
858 | 0 | std::unique_ptr<::Botan::PasswordHash> pwdhash = nullptr; |
859 | 0 | uint8_t* out = util::malloc(op.keySize); |
860 | |
|
861 | 0 | try { |
862 | 0 | BOTAN_SET_GLOBAL_DS |
863 | | |
864 | | /* Initialize */ |
865 | 0 | { |
866 | 0 | CF_CHECK_EQ(op.digestType.Get(), CF_DIGEST("SHA512")); |
867 | 0 | CF_CHECK_NE(pwdhash_fam = ::Botan::PasswordHashFamily::create("Bcrypt-PBKDF"), nullptr); |
868 | 0 | CF_CHECK_NE(pwdhash = pwdhash_fam->from_params(op.iterations), nullptr); |
869 | |
|
870 | 0 | } |
871 | | |
872 | | /* Process */ |
873 | 0 | { |
874 | 0 | pwdhash->derive_key( |
875 | 0 | out, |
876 | 0 | op.keySize, |
877 | 0 | (const char*)op.secret.GetPtr(), |
878 | 0 | op.secret.GetSize(), |
879 | 0 | op.salt.GetPtr(), |
880 | 0 | op.salt.GetSize()); |
881 | 0 | } |
882 | | |
883 | | /* Finalize */ |
884 | 0 | { |
885 | 0 | ret = component::Key(out, op.keySize); |
886 | 0 | } |
887 | 0 | } catch ( ... ) { } |
888 | | |
889 | 0 | end: |
890 | 0 | util::free(out); |
891 | | |
892 | | BOTAN_UNSET_GLOBAL_DS |
893 | |
|
894 | 0 | return ret; |
895 | 0 | } |
896 | | |
897 | | namespace Botan_detail { |
898 | 0 | std::optional<std::string> CurveIDToString(const uint64_t curveID) { |
899 | 0 | #include "curve_string_lut.h" |
900 | 0 | std::optional<std::string> ret = std::nullopt; |
901 | |
|
902 | 0 | CF_CHECK_NE(LUT.find(curveID), LUT.end()); |
903 | 0 | ret = LUT.at(curveID); |
904 | 0 | end: |
905 | 0 | return ret; |
906 | 0 | } |
907 | | } /* namespace Botan_detail */ |
908 | | |
909 | 0 | std::optional<component::ECC_KeyPair> Botan::OpECC_GenerateKeyPair(operation::ECC_GenerateKeyPair& op) { |
910 | 0 | std::optional<component::ECC_KeyPair> ret = std::nullopt; |
911 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
912 | |
|
913 | 0 | std::optional<std::string> curveString; |
914 | 0 | BOTAN_FUZZER_RNG; |
915 | |
|
916 | 0 | CF_CHECK_NE(curveString = Botan_detail::CurveIDToString(op.curveType.Get()), std::nullopt); |
917 | |
|
918 | 0 | try { |
919 | 0 | ::Botan::EC_Group group(*curveString); |
920 | 0 | auto priv = ::Botan::ECDSA_PrivateKey(rng, group); |
921 | |
|
922 | 0 | const auto pub_x = priv.public_point().get_affine_x(); |
923 | 0 | const auto pub_y = priv.public_point().get_affine_y(); |
924 | |
|
925 | 0 | { |
926 | 0 | const auto pub = std::make_unique<::Botan::ECDSA_PublicKey>(::Botan::ECDSA_PublicKey(group, priv.public_point())); |
927 | 0 | CF_ASSERT(pub->check_key(rng, true) == true, "Generated pubkey fails validation"); |
928 | 0 | } |
929 | | |
930 | 0 | ret = { priv.private_value().to_dec_string(), { pub_x.to_dec_string(), pub_y.to_dec_string() } }; |
931 | | |
932 | | /* Catch exception thrown from Botan_detail::Fuzzer_RNG::randomize */ |
933 | 0 | } catch ( fuzzing::datasource::Datasource::OutOfData ) { } |
934 | | |
935 | 0 | end: |
936 | 0 | return ret; |
937 | 0 | } |
938 | | |
939 | 0 | std::optional<bool> Botan::OpECC_ValidatePubkey(operation::ECC_ValidatePubkey& op) { |
940 | 0 | std::optional<bool> ret = std::nullopt; |
941 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
942 | |
|
943 | 0 | BOTAN_FUZZER_RNG; |
944 | 0 | std::unique_ptr<::Botan::Public_Key> pub = nullptr; |
945 | |
|
946 | 0 | try { |
947 | 0 | std::optional<std::string> curveString; |
948 | 0 | CF_CHECK_NE(curveString = Botan_detail::CurveIDToString(op.curveType.Get()), std::nullopt); |
949 | |
|
950 | 0 | ::Botan::EC_Group group(*curveString); |
951 | 0 | const ::Botan::BigInt pub_x(op.pub.first.ToString(ds)); |
952 | 0 | const ::Botan::BigInt pub_y(op.pub.second.ToString(ds)); |
953 | 0 | const ::Botan::PointGFp public_point = group.point(pub_x, pub_y); |
954 | 0 | pub = std::make_unique<::Botan::ECDSA_PublicKey>(::Botan::ECDSA_PublicKey(group, public_point)); |
955 | |
|
956 | 0 | ret = pub->check_key(rng, true); |
957 | 0 | } catch ( ... ) { } |
958 | | |
959 | 0 | end: |
960 | 0 | return ret; |
961 | 0 | } |
962 | | |
963 | 0 | std::optional<component::ECC_PublicKey> Botan::OpECC_PrivateToPublic(operation::ECC_PrivateToPublic& op) { |
964 | 0 | std::optional<component::ECC_PublicKey> ret = std::nullopt; |
965 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
966 | |
|
967 | 0 | BOTAN_FUZZER_RNG; |
968 | |
|
969 | 0 | try { |
970 | 0 | std::optional<std::string> curveString; |
971 | |
|
972 | 0 | if ( op.curveType.Get() == CF_ECC_CURVE("x25519") ) { |
973 | 0 | uint8_t priv_bytes[32]; |
974 | |
|
975 | 0 | const ::Botan::BigInt priv_bigint(op.priv.ToString(ds)); |
976 | 0 | CF_CHECK_GT(priv_bigint, 0); |
977 | |
|
978 | 0 | priv_bigint.binary_encode(priv_bytes, sizeof(priv_bytes)); |
979 | 0 | priv_bytes[0] &= 248; |
980 | 0 | priv_bytes[31] &= 127; |
981 | 0 | priv_bytes[31] |= 64; |
982 | 0 | const ::Botan::secure_vector<uint8_t> priv_vec(priv_bytes, priv_bytes + sizeof(priv_bytes)); |
983 | |
|
984 | 0 | auto priv = ::Botan::X25519_PrivateKey(priv_vec); |
985 | |
|
986 | 0 | ::Botan::BigInt pub; |
987 | 0 | pub.binary_decode(priv.public_value()); |
988 | |
|
989 | 0 | ret = { pub.to_dec_string(), "0" }; |
990 | 0 | } else { |
991 | 0 | CF_CHECK_NE(curveString = Botan_detail::CurveIDToString(op.curveType.Get()), std::nullopt); |
992 | 0 | ::Botan::EC_Group group(*curveString); |
993 | |
|
994 | 0 | const ::Botan::BigInt priv_bn(op.priv.ToString(ds)); |
995 | 0 | CF_CHECK_GT(priv_bn, 0); |
996 | |
|
997 | 0 | auto priv = std::make_unique<::Botan::ECDSA_PrivateKey>(::Botan::ECDSA_PrivateKey(rng, group, priv_bn)); |
998 | |
|
999 | 0 | const auto pub_x = priv->public_point().get_affine_x(); |
1000 | 0 | const auto pub_y = priv->public_point().get_affine_y(); |
1001 | |
|
1002 | 0 | ret = { pub_x.to_dec_string(), pub_y.to_dec_string() }; |
1003 | 0 | } |
1004 | 0 | } catch ( ... ) { } |
1005 | | |
1006 | 0 | end: |
1007 | 0 | return ret; |
1008 | 0 | } |
1009 | | |
1010 | | namespace Botan_detail { |
1011 | | template <class PrivkeyType, class Operation, bool RFC6979 = true> |
1012 | 0 | std::optional<component::ECDSA_Signature> ECxDSA_Sign(Operation& op) { |
1013 | 0 | std::optional<component::ECDSA_Signature> ret = std::nullopt; |
1014 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
1015 | |
|
1016 | 0 | std::unique_ptr<PrivkeyType> priv = nullptr; |
1017 | 0 | std::unique_ptr<::Botan::Public_Key> pub = nullptr; |
1018 | 0 | std::unique_ptr<::Botan::PK_Signer> signer; |
1019 | |
|
1020 | 0 | BOTAN_FUZZER_RNG; |
1021 | | |
1022 | | BOTAN_SET_GLOBAL_DS |
1023 | |
|
1024 | 0 | if ( RFC6979 == true ) { |
1025 | 0 | CF_CHECK_EQ(op.UseRFC6979Nonce(), true); |
1026 | 0 | } else { |
1027 | 0 | CF_CHECK_EQ(op.UseRandomNonce(), true); |
1028 | 0 | } |
1029 | | |
1030 | 0 | CF_CHECK_EQ(op.digestType.Get(), CF_DIGEST("SHA256")); |
1031 | |
|
1032 | 0 | try { |
1033 | | /* Initialize */ |
1034 | 0 | { |
1035 | |
|
1036 | 0 | std::optional<std::string> curveString, algoString; |
1037 | |
|
1038 | 0 | CF_CHECK_NE(curveString = Botan_detail::CurveIDToString(op.curveType.Get()), std::nullopt); |
1039 | 0 | ::Botan::EC_Group group(*curveString); |
1040 | | |
1041 | | /* Private key */ |
1042 | 0 | { |
1043 | 0 | const ::Botan::BigInt priv_bn(op.priv.ToString(ds)); |
1044 | | |
1045 | | /* Botan appears to generate a new key if the input key is 0, |
1046 | | * so don't do this */ |
1047 | 0 | CF_CHECK_NE(priv_bn, 0); |
1048 | |
|
1049 | 0 | priv = std::make_unique<PrivkeyType>(PrivkeyType(rng, group, priv_bn)); |
1050 | 0 | } |
1051 | | |
1052 | | /* Prepare signer */ |
1053 | 0 | CF_CHECK_NE(algoString = Botan_detail::DigestIDToString(op.digestType.Get()), std::nullopt); |
1054 | |
|
1055 | 0 | const std::string emsa1String = Botan_detail::parenthesize("EMSA1", *algoString); |
1056 | 0 | signer.reset(new ::Botan::PK_Signer(*priv, rng, emsa1String, ::Botan::Signature_Format::DerSequence)); |
1057 | 0 | } |
1058 | | |
1059 | | /* Process */ |
1060 | 0 | { |
1061 | 0 | const auto signature = signer->sign_message(op.cleartext.Get(), rng); |
1062 | | |
1063 | | /* Retrieve R and S */ |
1064 | 0 | { |
1065 | 0 | ::Botan::BER_Decoder decoder(signature); |
1066 | 0 | ::Botan::BER_Decoder ber_sig = decoder.start_sequence(); |
1067 | |
|
1068 | 0 | size_t count = 0; |
1069 | |
|
1070 | 0 | ::Botan::BigInt R; |
1071 | 0 | ::Botan::BigInt S; |
1072 | 0 | while(ber_sig.more_items()) |
1073 | 0 | { |
1074 | 0 | switch ( count ) { |
1075 | 0 | case 0: |
1076 | 0 | ber_sig.decode(R); |
1077 | 0 | break; |
1078 | 0 | case 1: |
1079 | 0 | ber_sig.decode(S); |
1080 | 0 | break; |
1081 | 0 | default: |
1082 | 0 | printf("Error: Too many parts in signature BER\n"); |
1083 | 0 | abort(); |
1084 | 0 | } |
1085 | | |
1086 | 0 | ++count; |
1087 | 0 | } |
1088 | | |
1089 | 0 | if ( op.curveType.Get() == CF_ECC_CURVE("secp256k1") ) { |
1090 | | /* For compatibility with the secp256k1 library. |
1091 | | * See: https://github.com/bitcoin/bips/blob/master/bip-0062.mediawiki#low-s-values-in-signatures |
1092 | | */ |
1093 | 0 | if (S > ::Botan::BigInt("57896044618658097711785492504343953926418782139537452191302581570759080747168")) { |
1094 | 0 | S = ::Botan::BigInt("115792089237316195423570985008687907852837564279074904382605163141518161494337") - S; |
1095 | 0 | } |
1096 | 0 | } else if ( op.curveType.Get() == CF_ECC_CURVE("secp256r1") ) { |
1097 | | /* Similar ECDSA signature malleability adjustment for compatibility with trezor-firmware */ |
1098 | 0 | if (S > ::Botan::BigInt("57896044605178124381348723474703786764998477612067880171211129530534256022184")) { |
1099 | 0 | S = ::Botan::BigInt("115792089210356248762697446949407573529996955224135760342422259061068512044369") - S; |
1100 | 0 | } |
1101 | 0 | } |
1102 | |
|
1103 | 0 | const auto pub_x = priv->public_point().get_affine_x().to_dec_string(); |
1104 | 0 | const auto pub_y = priv->public_point().get_affine_y().to_dec_string(); |
1105 | |
|
1106 | 0 | const auto R_str = R.to_dec_string(); |
1107 | 0 | const auto S_str = S.to_dec_string(); |
1108 | |
|
1109 | 0 | ret = component::ECDSA_Signature({ R_str, S_str }, { pub_x, pub_y }); |
1110 | 0 | } |
1111 | 0 | } |
1112 | 0 | } catch ( ... ) { } |
1113 | | |
1114 | 0 | end: |
1115 | 0 | BOTAN_UNSET_GLOBAL_DS |
1116 | |
|
1117 | 0 | return ret; |
1118 | 0 | } Unexecuted instantiation: std::__1::optional<cryptofuzz::component::ECDSA_Signature> cryptofuzz::module::Botan_detail::ECxDSA_Sign<Botan::ECDSA_PrivateKey, cryptofuzz::operation::ECDSA_Sign, true>(cryptofuzz::operation::ECDSA_Sign&) Unexecuted instantiation: std::__1::optional<cryptofuzz::component::ECDSA_Signature> cryptofuzz::module::Botan_detail::ECxDSA_Sign<Botan::ECGDSA_PrivateKey, cryptofuzz::operation::ECGDSA_Sign, false>(cryptofuzz::operation::ECGDSA_Sign&) |
1119 | | } /* namespace Botan_detail */ |
1120 | | |
1121 | 0 | std::optional<component::ECDSA_Signature> Botan::OpECDSA_Sign(operation::ECDSA_Sign& op) { |
1122 | 0 | if ( op.curveType.Is(CF_ECC_CURVE("ed25519")) ) { |
1123 | 0 | const auto _priv_bytes = util::DecToBin(op.priv.ToTrimmedString(), 32); |
1124 | 0 | if ( _priv_bytes == std::nullopt ) { |
1125 | 0 | return std::nullopt; |
1126 | 0 | } |
1127 | | |
1128 | 0 | const ::Botan::secure_vector<uint8_t> priv_bytes(_priv_bytes->data(), _priv_bytes->data() + _priv_bytes->size()); |
1129 | |
|
1130 | 0 | const auto priv = std::make_unique<::Botan::Ed25519_PrivateKey>(priv_bytes); |
1131 | |
|
1132 | 0 | std::unique_ptr<::Botan::PK_Signer> signer; |
1133 | |
|
1134 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
1135 | 0 | BOTAN_FUZZER_RNG; |
1136 | |
|
1137 | 0 | signer.reset(new ::Botan::PK_Signer(*priv, rng, "Pure", ::Botan::Signature_Format::Standard)); |
1138 | |
|
1139 | 0 | const auto signature = signer->sign_message(op.cleartext.Get(), rng); |
1140 | 0 | CF_ASSERT(signature.size() == 64, "ed25519 signature is not 64 bytes"); |
1141 | |
|
1142 | 0 | const auto pub = priv->get_public_key(); |
1143 | 0 | CF_ASSERT(pub.size() == 32, "ed25519 pubkey is not 32 bytes"); |
1144 | |
|
1145 | 0 | const auto ret = component::ECDSA_Signature( |
1146 | 0 | { util::BinToDec(signature.data(), 32), util::BinToDec(signature.data() + 32, 32) }, |
1147 | 0 | { util::BinToDec(pub.data(), 32), "0"} |
1148 | 0 | ); |
1149 | |
|
1150 | 0 | return ret; |
1151 | 0 | } |
1152 | | |
1153 | 0 | return Botan_detail::ECxDSA_Sign<::Botan::ECDSA_PrivateKey, operation::ECDSA_Sign>(op); |
1154 | 0 | } |
1155 | | |
1156 | 0 | std::optional<component::ECGDSA_Signature> Botan::OpECGDSA_Sign(operation::ECGDSA_Sign& op) { |
1157 | 0 | return Botan_detail::ECxDSA_Sign<::Botan::ECGDSA_PrivateKey, operation::ECGDSA_Sign, false>(op); |
1158 | 0 | } |
1159 | | |
1160 | | namespace Botan_detail { |
1161 | | template <class PubkeyType, class Operation> |
1162 | 0 | std::optional<bool> ECxDSA_Verify(Operation& op) { |
1163 | 0 | try { |
1164 | 0 | std::optional<bool> ret = std::nullopt; |
1165 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
1166 | |
|
1167 | 0 | ::Botan::secure_vector<uint8_t> sig; |
1168 | 0 | std::unique_ptr<::Botan::Public_Key> pub = nullptr; |
1169 | 0 | std::unique_ptr<::Botan::EC_Group> group = nullptr; |
1170 | 0 | Buffer CT; |
1171 | |
|
1172 | 0 | { |
1173 | 0 | BOTAN_SET_GLOBAL_DS; |
1174 | |
|
1175 | 0 | std::optional<std::string> curveString; |
1176 | 0 | CF_CHECK_NE(curveString = Botan_detail::CurveIDToString(op.curveType.Get()), std::nullopt); |
1177 | 0 | group = std::make_unique<::Botan::EC_Group>(*curveString); |
1178 | 0 | } |
1179 | | |
1180 | | /* Construct signature */ |
1181 | 0 | { |
1182 | 0 | const ::Botan::BigInt R(op.signature.signature.first.ToString(ds)); |
1183 | 0 | const ::Botan::BigInt S(op.signature.signature.second.ToString(ds)); |
1184 | 0 | sig = ::Botan::BigInt::encode_fixed_length_int_pair(R, S, group->get_order_bytes()); |
1185 | 0 | } |
1186 | | |
1187 | | /* Construct pubkey */ |
1188 | 0 | { |
1189 | 0 | const ::Botan::BigInt pub_x(op.signature.pub.first.ToString(ds)); |
1190 | 0 | const ::Botan::BigInt pub_y(op.signature.pub.second.ToString(ds)); |
1191 | 0 | const ::Botan::PointGFp public_point = group->point(pub_x, pub_y); |
1192 | 0 | pub = std::make_unique<PubkeyType>(PubkeyType(*group, public_point)); |
1193 | 0 | } |
1194 | | |
1195 | | /* Construct input */ |
1196 | 0 | { |
1197 | 0 | if ( op.digestType.Get() == CF_DIGEST("NULL") ) { |
1198 | 0 | CT = op.cleartext.ECDSA_RandomPad(ds, op.curveType); |
1199 | 0 | } else { |
1200 | 0 | std::optional<std::string> algoString; |
1201 | 0 | CF_CHECK_NE(algoString = Botan_detail::DigestIDToString(op.digestType.Get()), std::nullopt); |
1202 | |
|
1203 | 0 | auto hash = ::Botan::HashFunction::create(*algoString); |
1204 | 0 | hash->update(op.cleartext.GetPtr(), op.cleartext.GetSize()); |
1205 | 0 | const auto _CT = hash->final(); |
1206 | 0 | CT = Buffer(_CT.data(), _CT.size()).ECDSA_RandomPad(ds, op.curveType); |
1207 | 0 | } |
1208 | 0 | } |
1209 | | |
1210 | 0 | ret = ::Botan::PK_Verifier(*pub, "Raw").verify_message(CT.Get(), sig); |
1211 | |
|
1212 | 0 | end: |
1213 | 0 | BOTAN_UNSET_GLOBAL_DS; |
1214 | |
|
1215 | 0 | return ret; |
1216 | 0 | } catch (::Botan::Internal_Error& e) { |
1217 | 0 | throw e; |
1218 | 0 | } catch (::Botan::Exception& e) { |
1219 | 0 | BOTAN_UNSET_GLOBAL_DS; |
1220 | 0 | return false; |
1221 | 0 | } |
1222 | 0 | } Unexecuted instantiation: std::__1::optional<bool> cryptofuzz::module::Botan_detail::ECxDSA_Verify<Botan::ECDSA_PublicKey, cryptofuzz::operation::ECDSA_Verify>(cryptofuzz::operation::ECDSA_Verify&) Unexecuted instantiation: std::__1::optional<bool> cryptofuzz::module::Botan_detail::ECxDSA_Verify<Botan::ECGDSA_PublicKey, cryptofuzz::operation::ECGDSA_Verify>(cryptofuzz::operation::ECGDSA_Verify&) |
1223 | | } /* namespace Botan_detail */ |
1224 | | |
1225 | 0 | std::optional<bool> Botan::OpECDSA_Verify(operation::ECDSA_Verify& op) { |
1226 | 0 | if ( op.curveType.Is(CF_ECC_CURVE("ed25519")) ) { |
1227 | 0 | const auto pub_bytes = util::DecToBin(op.signature.pub.first.ToTrimmedString(), 32); |
1228 | 0 | if ( pub_bytes == std::nullopt ) { |
1229 | 0 | return std::nullopt; |
1230 | 0 | } |
1231 | 0 | const auto pub = std::make_unique<::Botan::Ed25519_PublicKey>(*pub_bytes); |
1232 | |
|
1233 | 0 | const auto sig_r = util::DecToBin(op.signature.signature.first.ToTrimmedString(), 32); |
1234 | 0 | if ( sig_r == std::nullopt ) { |
1235 | 0 | return std::nullopt; |
1236 | 0 | } |
1237 | | |
1238 | 0 | const auto sig_s = util::DecToBin(op.signature.signature.second.ToTrimmedString(), 32); |
1239 | 0 | if ( sig_s == std::nullopt ) { |
1240 | 0 | return std::nullopt; |
1241 | 0 | } |
1242 | | |
1243 | 0 | std::vector<uint8_t> sig_bytes(64); |
1244 | 0 | memcpy(sig_bytes.data(), sig_r->data(), 32); |
1245 | 0 | memcpy(sig_bytes.data() + 32, sig_s->data(), 32); |
1246 | |
|
1247 | 0 | const bool ret = ::Botan::PK_Verifier(*pub, "Pure").verify_message(op.cleartext.Get(), sig_bytes); |
1248 | 0 | return ret; |
1249 | |
|
1250 | 0 | } else { |
1251 | 0 | return Botan_detail::ECxDSA_Verify<::Botan::ECDSA_PublicKey, operation::ECDSA_Verify>(op); |
1252 | 0 | } |
1253 | 0 | } |
1254 | | |
1255 | 0 | std::optional<bool> Botan::OpECGDSA_Verify(operation::ECGDSA_Verify& op) { |
1256 | 0 | return Botan_detail::ECxDSA_Verify<::Botan::ECGDSA_PublicKey, operation::ECGDSA_Verify>(op); |
1257 | 0 | } |
1258 | | |
1259 | 0 | std::optional<component::ECC_PublicKey> Botan::OpECDSA_Recover(operation::ECDSA_Recover& op) { |
1260 | 0 | std::optional<component::ECC_PublicKey> ret = std::nullopt; |
1261 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
1262 | |
|
1263 | 0 | std::unique_ptr<::Botan::EC_Group> group = nullptr; |
1264 | 0 | Buffer CT; |
1265 | |
|
1266 | 0 | { |
1267 | 0 | std::optional<std::string> curveString; |
1268 | 0 | CF_CHECK_NE(curveString = Botan_detail::CurveIDToString(op.curveType.Get()), std::nullopt); |
1269 | 0 | group = std::make_unique<::Botan::EC_Group>(*curveString); |
1270 | 0 | } |
1271 | | |
1272 | | /* Construct input */ |
1273 | 0 | { |
1274 | 0 | if ( op.digestType.Get() == CF_DIGEST("NULL") ) { |
1275 | 0 | CT = op.cleartext.ECDSA_RandomPad(ds, op.curveType); |
1276 | 0 | } else { |
1277 | 0 | std::optional<std::string> algoString; |
1278 | 0 | CF_CHECK_NE(algoString = Botan_detail::DigestIDToString(op.digestType.Get()), std::nullopt); |
1279 | |
|
1280 | 0 | auto hash = ::Botan::HashFunction::create(*algoString); |
1281 | 0 | hash->update(op.cleartext.GetPtr(), op.cleartext.GetSize()); |
1282 | 0 | const auto _CT = hash->final(); |
1283 | 0 | CT = Buffer(_CT.data(), _CT.size()).ECDSA_RandomPad(ds, op.curveType); |
1284 | 0 | } |
1285 | 0 | } |
1286 | | |
1287 | 0 | { |
1288 | 0 | const ::Botan::BigInt R(op.signature.first.ToString(ds)); |
1289 | 0 | const ::Botan::BigInt S(op.signature.second.ToString(ds)); |
1290 | |
|
1291 | 0 | std::unique_ptr<::Botan::ECDSA_PublicKey> pub = nullptr; |
1292 | 0 | try { |
1293 | 0 | pub = std::make_unique<::Botan::ECDSA_PublicKey>(*group, CT.Get(), R, S, op.id); |
1294 | |
|
1295 | 0 | ret = { |
1296 | 0 | pub->public_point().get_affine_x().to_dec_string(), |
1297 | 0 | pub->public_point().get_affine_y().to_dec_string() |
1298 | 0 | }; |
1299 | 0 | } catch ( ::Botan::Invalid_State& e ) { |
1300 | 0 | } catch ( ::Botan::Decoding_Error& ) { |
1301 | 0 | } catch ( ::Botan::Invalid_Argument& ) { |
1302 | | //ret = {"0", "0"}; |
1303 | 0 | } |
1304 | |
|
1305 | 0 | } |
1306 | |
|
1307 | 0 | end: |
1308 | 0 | return ret; |
1309 | 0 | } |
1310 | | |
1311 | 0 | std::optional<component::Bignum> Botan::OpDH_Derive(operation::DH_Derive& op) { |
1312 | 0 | std::optional<component::Bignum> ret = std::nullopt; |
1313 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
1314 | |
|
1315 | 0 | BOTAN_FUZZER_RNG; |
1316 | |
|
1317 | 0 | try { |
1318 | 0 | CF_CHECK_NE(op.priv.ToTrimmedString(), "0"); |
1319 | |
|
1320 | 0 | const ::Botan::BigInt g(op.base.ToString(ds)); |
1321 | 0 | const ::Botan::BigInt p(op.prime.ToString(ds)); |
1322 | 0 | const ::Botan::DL_Group grp(p, g); |
1323 | |
|
1324 | 0 | const ::Botan::BigInt _priv(op.priv.ToString(ds)); |
1325 | | |
1326 | | /* Prevent time-out */ |
1327 | 0 | CF_CHECK_LT(g.bytes(), 80); |
1328 | 0 | CF_CHECK_LT(p.bytes(), 80); |
1329 | 0 | CF_CHECK_LT(_priv.bytes(), 80); |
1330 | |
|
1331 | 0 | std::unique_ptr<::Botan::Private_Key> priv(new ::Botan::DH_PrivateKey(grp, _priv)); |
1332 | |
|
1333 | 0 | const ::Botan::BigInt _pub(op.pub.ToString(ds)); |
1334 | 0 | ::Botan::DH_PublicKey pub(grp, _pub); |
1335 | |
|
1336 | 0 | std::unique_ptr<::Botan::PK_Key_Agreement> kas(new ::Botan::PK_Key_Agreement(*priv, rng, "Raw")); |
1337 | 0 | const auto derived_key = kas->derive_key(0, pub.public_value()); |
1338 | |
|
1339 | 0 | const auto derived_str = ::Botan::BigInt(derived_key.bits_of()).to_dec_string(); |
1340 | 0 | if ( derived_str != "0" ) { |
1341 | 0 | ret = derived_str; |
1342 | 0 | } |
1343 | 0 | } catch ( ... ) { } |
1344 | | |
1345 | 0 | end: |
1346 | 0 | return ret; |
1347 | 0 | } |
1348 | | |
1349 | 0 | std::optional<component::ECC_Point> Botan::OpECC_Point_Add(operation::ECC_Point_Add& op) { |
1350 | 0 | std::optional<component::ECC_Point> ret = std::nullopt; |
1351 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
1352 | |
|
1353 | 0 | BOTAN_FUZZER_RNG; |
1354 | |
|
1355 | 0 | std::unique_ptr<::Botan::EC_Group> group = nullptr; |
1356 | 0 | std::unique_ptr<::Botan::PointGFp> a, b; |
1357 | |
|
1358 | 0 | try { |
1359 | 0 | { |
1360 | 0 | std::optional<std::string> curveString; |
1361 | 0 | CF_CHECK_NE(curveString = Botan_detail::CurveIDToString(op.curveType.Get()), std::nullopt); |
1362 | 0 | group = std::make_unique<::Botan::EC_Group>(*curveString); |
1363 | 0 | } |
1364 | | |
1365 | 0 | { |
1366 | | /* A */ |
1367 | 0 | { |
1368 | 0 | const auto a_x = ::Botan::BigInt(op.a.first.ToString(ds)); |
1369 | 0 | CF_CHECK_GTE(a_x, 0); |
1370 | |
|
1371 | 0 | const auto a_y = ::Botan::BigInt(op.a.second.ToString(ds)); |
1372 | 0 | CF_CHECK_GTE(a_y, 0); |
1373 | |
|
1374 | 0 | try { |
1375 | 0 | a = std::make_unique<::Botan::PointGFp>(group->point(a_x, a_y)); |
1376 | 0 | } catch ( ::Botan::Invalid_Argument ) { |
1377 | 0 | goto end; |
1378 | 0 | } |
1379 | 0 | CF_CHECK_TRUE(a->on_the_curve()); |
1380 | 0 | } |
1381 | | |
1382 | | /* B */ |
1383 | 0 | { |
1384 | 0 | const auto b_x = ::Botan::BigInt(op.b.first.ToString(ds)); |
1385 | 0 | CF_CHECK_GTE(b_x, 0); |
1386 | |
|
1387 | 0 | const auto b_y = ::Botan::BigInt(op.b.second.ToString(ds)); |
1388 | 0 | CF_CHECK_GTE(b_y, 0); |
1389 | |
|
1390 | 0 | try { |
1391 | 0 | b = std::make_unique<::Botan::PointGFp>(group->point(b_x, b_y)); |
1392 | 0 | } catch ( ::Botan::Invalid_Argument ) { |
1393 | 0 | goto end; |
1394 | 0 | } |
1395 | | |
1396 | 0 | CF_CHECK_TRUE(b->on_the_curve()); |
1397 | 0 | } |
1398 | | |
1399 | 0 | const bool is_negation = *a == -(*b); |
1400 | |
|
1401 | 0 | ::Botan::PointGFp _res = *a + *b; |
1402 | |
|
1403 | 0 | const bool is_zero = _res.is_zero(); |
1404 | | |
1405 | | /* If A is a negation of B, then addition of both should result in point at infinity */ |
1406 | | /* Otherwise, it should result in non-infinity. */ |
1407 | 0 | CF_ASSERT(is_zero == is_negation, "Unexpected point addition result"); |
1408 | 0 | CF_CHECK_FALSE(is_zero); |
1409 | |
|
1410 | 0 | const auto x = _res.get_affine_x(); |
1411 | 0 | const auto y = _res.get_affine_y(); |
1412 | |
|
1413 | 0 | ret = { |
1414 | 0 | util::HexToDec(x.to_hex_string()), |
1415 | 0 | util::HexToDec(y.to_hex_string()), |
1416 | 0 | }; |
1417 | |
|
1418 | 0 | } |
1419 | 0 | } catch (::Botan::Internal_Error& e) { |
1420 | 0 | throw e; |
1421 | 0 | } catch (::Botan::Exception& e) { |
1422 | 0 | } |
1423 | | |
1424 | 0 | end: |
1425 | 0 | return ret; |
1426 | 0 | } |
1427 | | |
1428 | 0 | std::optional<component::ECC_Point> Botan::OpECC_Point_Sub(operation::ECC_Point_Sub& op) { |
1429 | 0 | std::optional<component::ECC_Point> ret = std::nullopt; |
1430 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
1431 | |
|
1432 | 0 | BOTAN_FUZZER_RNG; |
1433 | |
|
1434 | 0 | std::unique_ptr<::Botan::EC_Group> group = nullptr; |
1435 | 0 | std::unique_ptr<::Botan::PointGFp> a, b; |
1436 | |
|
1437 | 0 | try { |
1438 | 0 | { |
1439 | 0 | std::optional<std::string> curveString; |
1440 | 0 | CF_CHECK_NE(curveString = Botan_detail::CurveIDToString(op.curveType.Get()), std::nullopt); |
1441 | 0 | group = std::make_unique<::Botan::EC_Group>(*curveString); |
1442 | 0 | } |
1443 | | |
1444 | 0 | { |
1445 | | /* A */ |
1446 | 0 | { |
1447 | 0 | const auto a_x = ::Botan::BigInt(op.a.first.ToString(ds)); |
1448 | 0 | CF_CHECK_GTE(a_x, 0); |
1449 | |
|
1450 | 0 | const auto a_y = ::Botan::BigInt(op.a.second.ToString(ds)); |
1451 | 0 | CF_CHECK_GTE(a_y, 0); |
1452 | |
|
1453 | 0 | try { |
1454 | 0 | a = std::make_unique<::Botan::PointGFp>(group->point(a_x, a_y)); |
1455 | 0 | } catch ( ::Botan::Invalid_Argument ) { |
1456 | 0 | goto end; |
1457 | 0 | } |
1458 | 0 | CF_CHECK_TRUE(a->on_the_curve()); |
1459 | 0 | } |
1460 | | |
1461 | | /* B */ |
1462 | 0 | { |
1463 | 0 | const auto b_x = ::Botan::BigInt(op.b.first.ToString(ds)); |
1464 | 0 | CF_CHECK_GTE(b_x, 0); |
1465 | |
|
1466 | 0 | const auto b_y = ::Botan::BigInt(op.b.second.ToString(ds)); |
1467 | 0 | CF_CHECK_GTE(b_y, 0); |
1468 | |
|
1469 | 0 | try { |
1470 | 0 | b = std::make_unique<::Botan::PointGFp>(group->point(b_x, b_y)); |
1471 | 0 | } catch ( ::Botan::Invalid_Argument ) { |
1472 | 0 | goto end; |
1473 | 0 | } |
1474 | | |
1475 | 0 | CF_CHECK_TRUE(b->on_the_curve()); |
1476 | 0 | } |
1477 | | |
1478 | 0 | const bool is_eq = *a == *b; |
1479 | |
|
1480 | 0 | ::Botan::PointGFp _res = *a - *b; |
1481 | |
|
1482 | 0 | const bool is_zero = _res.is_zero(); |
1483 | | |
1484 | | /* If A equals B, then subtraction of both should result in point at infinity */ |
1485 | | /* Otherwise, it should result in non-infinity. */ |
1486 | 0 | CF_ASSERT(is_zero == is_eq, "Unexpected point subtraction result"); |
1487 | 0 | CF_CHECK_FALSE(is_zero); |
1488 | |
|
1489 | 0 | const auto x = _res.get_affine_x(); |
1490 | 0 | const auto y = _res.get_affine_y(); |
1491 | |
|
1492 | 0 | ret = { |
1493 | 0 | util::HexToDec(x.to_hex_string()), |
1494 | 0 | util::HexToDec(y.to_hex_string()), |
1495 | 0 | }; |
1496 | |
|
1497 | 0 | } |
1498 | 0 | } catch (::Botan::Internal_Error& e) { |
1499 | 0 | throw e; |
1500 | 0 | } catch (::Botan::Exception& e) { |
1501 | 0 | } |
1502 | | |
1503 | 0 | end: |
1504 | 0 | return ret; |
1505 | 0 | } |
1506 | | |
1507 | 0 | std::optional<component::ECC_Point> Botan::OpECC_Point_Mul(operation::ECC_Point_Mul& op) { |
1508 | 0 | std::optional<component::ECC_Point> ret = std::nullopt; |
1509 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
1510 | |
|
1511 | 0 | BOTAN_FUZZER_RNG; |
1512 | |
|
1513 | 0 | std::unique_ptr<::Botan::EC_Group> group = nullptr; |
1514 | |
|
1515 | 0 | { |
1516 | 0 | std::optional<std::string> curveString; |
1517 | 0 | CF_CHECK_NE(curveString = Botan_detail::CurveIDToString(op.curveType.Get()), std::nullopt); |
1518 | 0 | group = std::make_unique<::Botan::EC_Group>(*curveString); |
1519 | 0 | } |
1520 | | |
1521 | 0 | try { |
1522 | 0 | const auto a_x = ::Botan::BigInt(op.a.first.ToString(ds)); |
1523 | 0 | CF_CHECK_GTE(a_x, 0); |
1524 | |
|
1525 | 0 | const auto a_y = ::Botan::BigInt(op.a.second.ToString(ds)); |
1526 | 0 | CF_CHECK_GTE(a_y, 0); |
1527 | |
|
1528 | 0 | const auto a = group->point(a_x, a_y); |
1529 | 0 | CF_CHECK_TRUE(a.on_the_curve()); |
1530 | |
|
1531 | 0 | const auto b = ::Botan::BigInt(op.b.ToString(ds)); |
1532 | |
|
1533 | 0 | CF_CHECK_GTE(b, 0); |
1534 | |
|
1535 | 0 | std::vector<::Botan::BigInt> ws(::Botan::PointGFp::WORKSPACE_SIZE); |
1536 | |
|
1537 | 0 | bool useBlinding = false; |
1538 | 0 | #if defined(CRYPTOFUZZ_BOTAN_IS_ORACLE) |
1539 | 0 | try { |
1540 | 0 | useBlinding = ds.Get<bool>(); |
1541 | 0 | } catch ( fuzzing::datasource::Datasource::OutOfData ) { } |
1542 | 0 | #endif |
1543 | |
|
1544 | 0 | ::Botan::PointGFp _res; |
1545 | |
|
1546 | 0 | if ( useBlinding == false ) { |
1547 | 0 | _res = a * b; |
1548 | 0 | } else { |
1549 | 0 | _res = group->blinded_var_point_multiply(a, b, rng, ws); |
1550 | 0 | } |
1551 | |
|
1552 | 0 | const auto x = _res.get_affine_x(); |
1553 | 0 | const auto y = _res.get_affine_y(); |
1554 | |
|
1555 | 0 | ret = { |
1556 | 0 | util::HexToDec(x.to_hex_string()), |
1557 | 0 | util::HexToDec(y.to_hex_string()), |
1558 | 0 | }; |
1559 | 0 | } catch (::Botan::Internal_Error& e) { |
1560 | 0 | throw e; |
1561 | 0 | } catch (::Botan::Exception& e) { |
1562 | 0 | } |
1563 | | |
1564 | 0 | end: |
1565 | 0 | return ret; |
1566 | 0 | } |
1567 | | |
1568 | 0 | std::optional<component::ECC_Point> Botan::OpECC_Point_Neg(operation::ECC_Point_Neg& op) { |
1569 | 0 | std::optional<component::ECC_Point> ret = std::nullopt; |
1570 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
1571 | |
|
1572 | 0 | std::unique_ptr<::Botan::EC_Group> group = nullptr; |
1573 | |
|
1574 | 0 | { |
1575 | 0 | std::optional<std::string> curveString; |
1576 | 0 | CF_CHECK_NE(curveString = Botan_detail::CurveIDToString(op.curveType.Get()), std::nullopt); |
1577 | 0 | group = std::make_unique<::Botan::EC_Group>(*curveString); |
1578 | 0 | } |
1579 | | |
1580 | 0 | try { |
1581 | 0 | const auto a_x = ::Botan::BigInt(op.a.first.ToString(ds)); |
1582 | 0 | CF_CHECK_GTE(a_x, 0); |
1583 | |
|
1584 | 0 | const auto a_y = ::Botan::BigInt(op.a.second.ToString(ds)); |
1585 | 0 | CF_CHECK_GTE(a_y, 0); |
1586 | |
|
1587 | 0 | const auto a = group->point(a_x, a_y); |
1588 | 0 | CF_CHECK_TRUE(a.on_the_curve()); |
1589 | |
|
1590 | 0 | const ::Botan::PointGFp _res = -a; |
1591 | |
|
1592 | 0 | const auto x = _res.get_affine_x(); |
1593 | 0 | const auto y = _res.get_affine_y(); |
1594 | |
|
1595 | 0 | ret = { |
1596 | 0 | util::HexToDec(x.to_hex_string()), |
1597 | 0 | util::HexToDec(y.to_hex_string()), |
1598 | 0 | }; |
1599 | |
|
1600 | 0 | } catch (::Botan::Internal_Error& e) { |
1601 | 0 | throw e; |
1602 | 0 | } catch (::Botan::Exception& e) { |
1603 | 0 | } |
1604 | | |
1605 | 0 | end: |
1606 | 0 | return ret; |
1607 | 0 | } |
1608 | | |
1609 | 0 | std::optional<component::ECC_Point> Botan::OpECC_Point_Dbl(operation::ECC_Point_Dbl& op) { |
1610 | 0 | std::optional<component::ECC_Point> ret = std::nullopt; |
1611 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
1612 | |
|
1613 | 0 | std::unique_ptr<::Botan::EC_Group> group = nullptr; |
1614 | |
|
1615 | 0 | { |
1616 | 0 | std::optional<std::string> curveString; |
1617 | 0 | CF_CHECK_NE(curveString = Botan_detail::CurveIDToString(op.curveType.Get()), std::nullopt); |
1618 | 0 | group = std::make_unique<::Botan::EC_Group>(*curveString); |
1619 | 0 | } |
1620 | | |
1621 | 0 | try { |
1622 | 0 | const auto a_x = ::Botan::BigInt(op.a.first.ToString(ds)); |
1623 | 0 | CF_CHECK_GTE(a_x, 0); |
1624 | |
|
1625 | 0 | const auto a_y = ::Botan::BigInt(op.a.second.ToString(ds)); |
1626 | 0 | CF_CHECK_GTE(a_y, 0); |
1627 | |
|
1628 | 0 | const auto a = group->point(a_x, a_y); |
1629 | 0 | CF_CHECK_TRUE(a.on_the_curve()); |
1630 | |
|
1631 | 0 | const ::Botan::PointGFp _res = a + a; |
1632 | |
|
1633 | 0 | const auto x = _res.get_affine_x(); |
1634 | 0 | const auto y = _res.get_affine_y(); |
1635 | |
|
1636 | 0 | ret = { |
1637 | 0 | util::HexToDec(x.to_hex_string()), |
1638 | 0 | util::HexToDec(y.to_hex_string()), |
1639 | 0 | }; |
1640 | |
|
1641 | 0 | } catch (::Botan::Internal_Error& e) { |
1642 | 0 | throw e; |
1643 | 0 | } catch (::Botan::Exception& e) { |
1644 | 0 | } |
1645 | | |
1646 | 0 | end: |
1647 | 0 | return ret; |
1648 | 0 | } |
1649 | | |
1650 | 0 | std::optional<bool> Botan::OpECC_Point_Cmp(operation::ECC_Point_Cmp& op) { |
1651 | 0 | std::optional<bool> ret = std::nullopt; |
1652 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
1653 | |
|
1654 | 0 | BOTAN_FUZZER_RNG; |
1655 | |
|
1656 | 0 | std::unique_ptr<::Botan::EC_Group> group = nullptr; |
1657 | 0 | std::unique_ptr<::Botan::PointGFp> a, b; |
1658 | |
|
1659 | 0 | try { |
1660 | 0 | { |
1661 | 0 | std::optional<std::string> curveString; |
1662 | 0 | CF_CHECK_NE(curveString = Botan_detail::CurveIDToString(op.curveType.Get()), std::nullopt); |
1663 | 0 | group = std::make_unique<::Botan::EC_Group>(*curveString); |
1664 | 0 | } |
1665 | | |
1666 | 0 | { |
1667 | | /* A */ |
1668 | 0 | { |
1669 | 0 | const auto a_x = ::Botan::BigInt(op.a.first.ToString(ds)); |
1670 | 0 | CF_CHECK_GTE(a_x, 0); |
1671 | |
|
1672 | 0 | const auto a_y = ::Botan::BigInt(op.a.second.ToString(ds)); |
1673 | 0 | CF_CHECK_GTE(a_y, 0); |
1674 | |
|
1675 | 0 | try { |
1676 | 0 | a = std::make_unique<::Botan::PointGFp>(group->point(a_x, a_y)); |
1677 | 0 | } catch ( ::Botan::Invalid_Argument ) { |
1678 | 0 | goto end; |
1679 | 0 | } |
1680 | 0 | CF_CHECK_TRUE(a->on_the_curve()); |
1681 | 0 | } |
1682 | | |
1683 | | /* B */ |
1684 | 0 | { |
1685 | 0 | const auto b_x = ::Botan::BigInt(op.b.first.ToString(ds)); |
1686 | 0 | CF_CHECK_GTE(b_x, 0); |
1687 | |
|
1688 | 0 | const auto b_y = ::Botan::BigInt(op.b.second.ToString(ds)); |
1689 | 0 | CF_CHECK_GTE(b_y, 0); |
1690 | |
|
1691 | 0 | try { |
1692 | 0 | b = std::make_unique<::Botan::PointGFp>(group->point(b_x, b_y)); |
1693 | 0 | } catch ( ::Botan::Invalid_Argument ) { |
1694 | 0 | goto end; |
1695 | 0 | } |
1696 | | |
1697 | 0 | CF_CHECK_TRUE(b->on_the_curve()); |
1698 | 0 | } |
1699 | | |
1700 | 0 | ret = *a == *b; |
1701 | 0 | } |
1702 | 0 | } catch (::Botan::Internal_Error& e) { |
1703 | 0 | throw e; |
1704 | 0 | } catch (::Botan::Exception& e) { |
1705 | 0 | } |
1706 | | |
1707 | 0 | end: |
1708 | 0 | return ret; |
1709 | 0 | } |
1710 | | |
1711 | 0 | std::optional<bool> Botan::OpDSA_Verify(operation::DSA_Verify& op) { |
1712 | 0 | std::optional<bool> ret = std::nullopt; |
1713 | 0 | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
1714 | |
|
1715 | 0 | BOTAN_FUZZER_RNG; |
1716 | |
|
1717 | 0 | try { |
1718 | 0 | const auto p = ::Botan::BigInt(op.parameters.p.ToString(ds)); |
1719 | | /* Avoid time-outs */ |
1720 | 0 | CF_CHECK_LTE(p.bytes(), 300); |
1721 | 0 | const auto q = ::Botan::BigInt(op.parameters.q.ToString(ds)); |
1722 | 0 | const auto g = ::Botan::BigInt(op.parameters.g.ToString(ds)); |
1723 | | |
1724 | | /* Botan can verify signatures with g = 0. |
1725 | | * Avoid discrepancies with OpenSSL |
1726 | | */ |
1727 | 0 | CF_CHECK_NE(g, 0); |
1728 | |
|
1729 | 0 | const ::Botan::DL_Group group(p, q, g); |
1730 | 0 | CF_CHECK_TRUE(group.verify_group(rng)); |
1731 | |
|
1732 | 0 | const auto y = ::Botan::BigInt(op.pub.ToString(ds)); |
1733 | 0 | const auto pub = std::make_unique<::Botan::DSA_PublicKey>(group, y); |
1734 | |
|
1735 | 0 | const auto r = ::Botan::BigInt(op.signature.first.ToString(ds)); |
1736 | 0 | const auto s = ::Botan::BigInt(op.signature.second.ToString(ds)); |
1737 | |
|
1738 | 0 | const auto sig = ::Botan::BigInt::encode_fixed_length_int_pair( |
1739 | 0 | r, s, q.bytes()); |
1740 | 0 | auto verifier = ::Botan::PK_Verifier(*pub, "Raw"); |
1741 | 0 | verifier.update(op.cleartext.Get()); |
1742 | 0 | ret = verifier.check_signature(sig); |
1743 | 0 | } catch ( ... ) { |
1744 | 0 | } |
1745 | | |
1746 | 0 | end: |
1747 | 0 | return ret; |
1748 | 0 | } |
1749 | | |
1750 | 10.7k | std::optional<component::Bignum> Botan::OpBignumCalc(operation::BignumCalc& op) { |
1751 | 10.7k | std::optional<component::Bignum> ret = std::nullopt; |
1752 | | |
1753 | 10.7k | if ( op.modulo ) { |
1754 | 0 | switch ( op.calcOp.Get() ) { |
1755 | 0 | case CF_CALCOP("Add(A,B)"): |
1756 | 0 | case CF_CALCOP("Bit(A,B)"): |
1757 | 0 | case CF_CALCOP("CondSet(A,B)"): |
1758 | 0 | case CF_CALCOP("Exp(A,B)"): |
1759 | 0 | case CF_CALCOP("InvMod(A,B)"): |
1760 | 0 | case CF_CALCOP("IsEq(A,B)"): |
1761 | 0 | case CF_CALCOP("IsEven(A)"): |
1762 | 0 | case CF_CALCOP("IsOdd(A)"): |
1763 | 0 | case CF_CALCOP("IsOne(A)"): |
1764 | 0 | case CF_CALCOP("IsZero(A)"): |
1765 | 0 | case CF_CALCOP("LShift1(A)"): |
1766 | 0 | case CF_CALCOP("Mul(A,B)"): |
1767 | 0 | case CF_CALCOP("Not(A)"): |
1768 | 0 | case CF_CALCOP("NumBits(A)"): |
1769 | 0 | case CF_CALCOP("RShift(A,B)"): |
1770 | 0 | case CF_CALCOP("Set(A)"): |
1771 | 0 | case CF_CALCOP("Sqr(A)"): |
1772 | 0 | case CF_CALCOP("Sqrt(A)"): |
1773 | 0 | case CF_CALCOP("Sub(A,B)"): |
1774 | 0 | break; |
1775 | 0 | default: |
1776 | 0 | return ret; |
1777 | 0 | } |
1778 | 0 | } |
1779 | 10.7k | Datasource ds(op.modifier.GetPtr(), op.modifier.GetSize()); |
1780 | | |
1781 | 10.7k | Botan_bignum::Bignum res(&ds, "0"); |
1782 | 10.7k | std::vector<Botan_bignum::Bignum> bn{ |
1783 | 10.7k | Botan_bignum::Bignum(&ds, op.bn0.ToString(ds)), |
1784 | 10.7k | Botan_bignum::Bignum(&ds, op.bn1.ToString(ds)), |
1785 | 10.7k | Botan_bignum::Bignum(&ds, op.bn2.ToString(ds)), |
1786 | 10.7k | Botan_bignum::Bignum(&ds, op.bn3.ToString(ds)) |
1787 | 10.7k | }; |
1788 | 10.7k | std::unique_ptr<Botan_bignum::Operation> opRunner = nullptr; |
1789 | | |
1790 | 10.7k | switch ( op.calcOp.Get() ) { |
1791 | 105 | case CF_CALCOP("Add(A,B)"): |
1792 | 105 | opRunner = std::make_unique<Botan_bignum::Add>(); |
1793 | 105 | break; |
1794 | 29 | case CF_CALCOP("Sub(A,B)"): |
1795 | 29 | opRunner = std::make_unique<Botan_bignum::Sub>(); |
1796 | 29 | break; |
1797 | 311 | case CF_CALCOP("Mul(A,B)"): |
1798 | 311 | opRunner = std::make_unique<Botan_bignum::Mul>(); |
1799 | 311 | break; |
1800 | 23 | case CF_CALCOP("Div(A,B)"): |
1801 | 23 | opRunner = std::make_unique<Botan_bignum::Div>(); |
1802 | 23 | break; |
1803 | 168 | case CF_CALCOP("Mod(A,B)"): |
1804 | 168 | opRunner = std::make_unique<Botan_bignum::Mod>(); |
1805 | 168 | break; |
1806 | 1.22k | case CF_CALCOP("ExpMod(A,B,C)"): |
1807 | | /* Too slow with larger values */ |
1808 | 1.22k | CF_CHECK_LT(op.bn0.GetSize(), 1000); |
1809 | 1.21k | CF_CHECK_LT(op.bn1.GetSize(), 1000); |
1810 | 1.21k | CF_CHECK_LT(op.bn2.GetSize(), 1000); |
1811 | | |
1812 | 1.20k | opRunner = std::make_unique<Botan_bignum::ExpMod>(); |
1813 | 1.20k | break; |
1814 | 82 | case CF_CALCOP("Exp(A,B)"): |
1815 | 82 | opRunner = std::make_unique<Botan_bignum::Exp>(); |
1816 | 82 | break; |
1817 | 45 | case CF_CALCOP("Sqr(A)"): |
1818 | 45 | opRunner = std::make_unique<Botan_bignum::Sqr>(); |
1819 | 45 | break; |
1820 | 126 | case CF_CALCOP("GCD(A,B)"): |
1821 | 126 | opRunner = std::make_unique<Botan_bignum::GCD>(); |
1822 | 126 | break; |
1823 | 32 | case CF_CALCOP("SqrMod(A,B)"): |
1824 | 32 | opRunner = std::make_unique<Botan_bignum::SqrMod>(); |
1825 | 32 | break; |
1826 | 317 | case CF_CALCOP("InvMod(A,B)"): |
1827 | 317 | opRunner = std::make_unique<Botan_bignum::InvMod>(); |
1828 | 317 | break; |
1829 | 7 | case CF_CALCOP("Cmp(A,B)"): |
1830 | 7 | opRunner = std::make_unique<Botan_bignum::Cmp>(); |
1831 | 7 | break; |
1832 | 332 | case CF_CALCOP("LCM(A,B)"): |
1833 | 332 | opRunner = std::make_unique<Botan_bignum::LCM>(); |
1834 | 332 | break; |
1835 | 35 | case CF_CALCOP("Abs(A)"): |
1836 | 35 | opRunner = std::make_unique<Botan_bignum::Abs>(); |
1837 | 35 | break; |
1838 | 70 | case CF_CALCOP("Jacobi(A,B)"): |
1839 | 70 | opRunner = std::make_unique<Botan_bignum::Jacobi>(); |
1840 | 70 | break; |
1841 | 11 | case CF_CALCOP("Neg(A)"): |
1842 | 11 | opRunner = std::make_unique<Botan_bignum::Neg>(); |
1843 | 11 | break; |
1844 | 189 | case CF_CALCOP("IsPrime(A)"): |
1845 | 189 | opRunner = std::make_unique<Botan_bignum::IsPrime>(); |
1846 | 189 | break; |
1847 | 121 | case CF_CALCOP("RShift(A,B)"): |
1848 | 121 | opRunner = std::make_unique<Botan_bignum::RShift>(); |
1849 | 121 | break; |
1850 | 14 | case CF_CALCOP("LShift1(A)"): |
1851 | 14 | opRunner = std::make_unique<Botan_bignum::LShift1>(); |
1852 | 14 | break; |
1853 | 8 | case CF_CALCOP("IsNeg(A)"): |
1854 | 8 | opRunner = std::make_unique<Botan_bignum::IsNeg>(); |
1855 | 8 | break; |
1856 | 165 | case CF_CALCOP("IsEq(A,B)"): |
1857 | 165 | opRunner = std::make_unique<Botan_bignum::IsEq>(); |
1858 | 165 | break; |
1859 | 57 | case CF_CALCOP("IsGt(A,B)"): |
1860 | 57 | opRunner = std::make_unique<Botan_bignum::IsGt>(); |
1861 | 57 | break; |
1862 | 58 | case CF_CALCOP("IsGte(A,B)"): |
1863 | 58 | opRunner = std::make_unique<Botan_bignum::IsGte>(); |
1864 | 58 | break; |
1865 | 59 | case CF_CALCOP("IsLt(A,B)"): |
1866 | 59 | opRunner = std::make_unique<Botan_bignum::IsLt>(); |
1867 | 59 | break; |
1868 | 70 | case CF_CALCOP("IsLte(A,B)"): |
1869 | 70 | opRunner = std::make_unique<Botan_bignum::IsLte>(); |
1870 | 70 | break; |
1871 | 16 | case CF_CALCOP("IsEven(A)"): |
1872 | 16 | opRunner = std::make_unique<Botan_bignum::IsEven>(); |
1873 | 16 | break; |
1874 | 16 | case CF_CALCOP("IsOdd(A)"): |
1875 | 16 | opRunner = std::make_unique<Botan_bignum::IsOdd>(); |
1876 | 16 | break; |
1877 | 7 | case CF_CALCOP("IsZero(A)"): |
1878 | 7 | opRunner = std::make_unique<Botan_bignum::IsZero>(); |
1879 | 7 | break; |
1880 | 3 | case CF_CALCOP("IsNotZero(A)"): |
1881 | 3 | opRunner = std::make_unique<Botan_bignum::IsNotZero>(); |
1882 | 3 | break; |
1883 | 71 | case CF_CALCOP("IsOne(A)"): |
1884 | 71 | opRunner = std::make_unique<Botan_bignum::IsOne>(); |
1885 | 71 | break; |
1886 | 13 | case CF_CALCOP("MulMod(A,B,C)"): |
1887 | 13 | opRunner = std::make_unique<Botan_bignum::MulMod>(); |
1888 | 13 | break; |
1889 | 83 | case CF_CALCOP("Bit(A,B)"): |
1890 | 83 | opRunner = std::make_unique<Botan_bignum::Bit>(); |
1891 | 83 | break; |
1892 | 3 | case CF_CALCOP("CmpAbs(A,B)"): |
1893 | 3 | opRunner = std::make_unique<Botan_bignum::CmpAbs>(); |
1894 | 3 | break; |
1895 | 61 | case CF_CALCOP("SetBit(A,B)"): |
1896 | 61 | opRunner = std::make_unique<Botan_bignum::SetBit>(); |
1897 | 61 | break; |
1898 | 172 | case CF_CALCOP("ClearBit(A,B)"): |
1899 | 172 | opRunner = std::make_unique<Botan_bignum::ClearBit>(); |
1900 | 172 | break; |
1901 | 27 | case CF_CALCOP("MulAdd(A,B,C)"): |
1902 | 27 | opRunner = std::make_unique<Botan_bignum::MulAdd>(); |
1903 | 27 | break; |
1904 | 48 | case CF_CALCOP("MulDiv(A,B,C)"): |
1905 | 48 | opRunner = std::make_unique<Botan_bignum::MulDiv>(); |
1906 | 48 | break; |
1907 | 68 | case CF_CALCOP("MulDivCeil(A,B,C)"): |
1908 | 68 | opRunner = std::make_unique<Botan_bignum::MulDivCeil>(); |
1909 | 68 | break; |
1910 | 7 | case CF_CALCOP("Exp2(A)"): |
1911 | 7 | opRunner = std::make_unique<Botan_bignum::Exp2>(); |
1912 | 7 | break; |
1913 | 99 | case CF_CALCOP("NumLSZeroBits(A)"): |
1914 | 99 | opRunner = std::make_unique<Botan_bignum::NumLSZeroBits>(); |
1915 | 99 | break; |
1916 | 338 | case CF_CALCOP("Sqrt(A)"): |
1917 | 338 | if ( op.modulo == std::nullopt ) { |
1918 | 338 | opRunner = std::make_unique<Botan_bignum::Sqrt>(); |
1919 | 338 | } else { |
1920 | 0 | opRunner = std::make_unique<Botan_bignum::Ressol>(); |
1921 | 0 | } |
1922 | 338 | break; |
1923 | 20 | case CF_CALCOP("AddMod(A,B,C)"): |
1924 | 20 | opRunner = std::make_unique<Botan_bignum::AddMod>(); |
1925 | 20 | break; |
1926 | 36 | case CF_CALCOP("SubMod(A,B,C)"): |
1927 | 36 | opRunner = std::make_unique<Botan_bignum::SubMod>(); |
1928 | 36 | break; |
1929 | 16 | case CF_CALCOP("NumBits(A)"): |
1930 | 16 | opRunner = std::make_unique<Botan_bignum::NumBits>(); |
1931 | 16 | break; |
1932 | 5 | case CF_CALCOP("Set(A)"): |
1933 | 5 | opRunner = std::make_unique<Botan_bignum::Set>(); |
1934 | 5 | break; |
1935 | 35 | case CF_CALCOP("CondSet(A,B)"): |
1936 | 35 | opRunner = std::make_unique<Botan_bignum::CondSet>(); |
1937 | 35 | break; |
1938 | | /* |
1939 | | case CF_CALCOP("Ressol(A,B)"): |
1940 | | opRunner = std::make_unique<Botan_bignum::Ressol>(); |
1941 | | break; |
1942 | | */ |
1943 | 12 | case CF_CALCOP("Not(A)"): |
1944 | 12 | opRunner = std::make_unique<Botan_bignum::Not>(); |
1945 | 12 | break; |
1946 | 293 | case CF_CALCOP("Prime()"): |
1947 | 293 | opRunner = std::make_unique<Botan_bignum::Prime>(); |
1948 | 293 | break; |
1949 | 36 | case CF_CALCOP("RandRange(A,B)"): |
1950 | 36 | opRunner = std::make_unique<Botan_bignum::RandRange>(); |
1951 | 36 | break; |
1952 | 16 | case CF_CALCOP("IsSquare(A)"): |
1953 | 16 | opRunner = std::make_unique<Botan_bignum::IsSquare>(); |
1954 | 16 | break; |
1955 | 10.7k | } |
1956 | | |
1957 | 10.7k | CF_CHECK_NE(opRunner, nullptr); |
1958 | | |
1959 | 5.14k | #if defined(CRYPTOFUZZ_BOTAN_IS_ORACLE) |
1960 | 5.14k | try { |
1961 | 5.14k | #endif |
1962 | 5.14k | CF_CHECK_EQ(opRunner->Run( |
1963 | 5.14k | ds, |
1964 | 5.14k | res, |
1965 | 5.14k | bn, |
1966 | 5.14k | op.modulo ? |
1967 | 5.14k | std::optional<Botan_bignum::Bignum>(Botan_bignum::Bignum(op.modulo->ToTrimmedString())) : |
1968 | 5.14k | std::nullopt), true); |
1969 | 4.42k | #if defined(CRYPTOFUZZ_BOTAN_IS_ORACLE) |
1970 | 4.42k | } catch ( ... ) { |
1971 | 0 | goto end; |
1972 | 0 | } |
1973 | 0 | #endif |
1974 | | |
1975 | 4.42k | ret = { util::HexToDec(res.Ref().to_hex_string()) }; |
1976 | | |
1977 | 10.7k | end: |
1978 | 10.7k | return ret; |
1979 | 4.42k | } |
1980 | | |
1981 | 0 | bool Botan::SupportsModularBignumCalc(void) const { |
1982 | 0 | return true; |
1983 | 0 | } |
1984 | | |
1985 | | } /* namespace module */ |
1986 | | } /* namespace cryptofuzz */ |