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e683582b | 1 | /* |
8020d79b | 2 | * Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved. |
e683582b SL |
3 | * |
4 | * Licensed under the Apache License 2.0 (the "License"). You may not use | |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
8 | */ | |
9 | ||
10 | #include <stdio.h> | |
11 | #include <stdlib.h> | |
12 | #include <openssl/objects.h> | |
13 | #include <openssl/evp.h> | |
14 | #include "internal/cryptlib.h" | |
15 | #include "crypto/evp.h" | |
16 | #include "internal/provider.h" | |
17 | #include "evp_local.h" | |
18 | ||
19 | static EVP_SIGNATURE *evp_signature_new(OSSL_PROVIDER *prov) | |
20 | { | |
21 | EVP_SIGNATURE *signature = OPENSSL_zalloc(sizeof(EVP_SIGNATURE)); | |
22 | ||
23 | if (signature == NULL) { | |
24 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); | |
25 | return NULL; | |
26 | } | |
27 | ||
28 | signature->lock = CRYPTO_THREAD_lock_new(); | |
29 | if (signature->lock == NULL) { | |
30 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); | |
31 | OPENSSL_free(signature); | |
32 | return NULL; | |
33 | } | |
34 | signature->prov = prov; | |
35 | ossl_provider_up_ref(prov); | |
36 | signature->refcnt = 1; | |
37 | ||
38 | return signature; | |
39 | } | |
40 | ||
309a78aa RL |
41 | static void *evp_signature_from_algorithm(int name_id, |
42 | const OSSL_ALGORITHM *algodef, | |
43 | OSSL_PROVIDER *prov) | |
e683582b | 44 | { |
309a78aa | 45 | const OSSL_DISPATCH *fns = algodef->implementation; |
e683582b SL |
46 | EVP_SIGNATURE *signature = NULL; |
47 | int ctxfncnt = 0, signfncnt = 0, verifyfncnt = 0, verifyrecfncnt = 0; | |
48 | int digsignfncnt = 0, digverifyfncnt = 0; | |
49 | int gparamfncnt = 0, sparamfncnt = 0, gmdparamfncnt = 0, smdparamfncnt = 0; | |
50 | ||
51 | if ((signature = evp_signature_new(prov)) == NULL) { | |
52 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); | |
53 | goto err; | |
54 | } | |
55 | ||
56 | signature->name_id = name_id; | |
309a78aa | 57 | signature->description = algodef->algorithm_description; |
e683582b SL |
58 | |
59 | for (; fns->function_id != 0; fns++) { | |
60 | switch (fns->function_id) { | |
61 | case OSSL_FUNC_SIGNATURE_NEWCTX: | |
62 | if (signature->newctx != NULL) | |
63 | break; | |
363b1e5d | 64 | signature->newctx = OSSL_FUNC_signature_newctx(fns); |
e683582b SL |
65 | ctxfncnt++; |
66 | break; | |
67 | case OSSL_FUNC_SIGNATURE_SIGN_INIT: | |
68 | if (signature->sign_init != NULL) | |
69 | break; | |
363b1e5d | 70 | signature->sign_init = OSSL_FUNC_signature_sign_init(fns); |
e683582b SL |
71 | signfncnt++; |
72 | break; | |
73 | case OSSL_FUNC_SIGNATURE_SIGN: | |
74 | if (signature->sign != NULL) | |
75 | break; | |
363b1e5d | 76 | signature->sign = OSSL_FUNC_signature_sign(fns); |
e683582b SL |
77 | signfncnt++; |
78 | break; | |
79 | case OSSL_FUNC_SIGNATURE_VERIFY_INIT: | |
80 | if (signature->verify_init != NULL) | |
81 | break; | |
363b1e5d | 82 | signature->verify_init = OSSL_FUNC_signature_verify_init(fns); |
e683582b SL |
83 | verifyfncnt++; |
84 | break; | |
85 | case OSSL_FUNC_SIGNATURE_VERIFY: | |
86 | if (signature->verify != NULL) | |
87 | break; | |
363b1e5d | 88 | signature->verify = OSSL_FUNC_signature_verify(fns); |
e683582b SL |
89 | verifyfncnt++; |
90 | break; | |
91 | case OSSL_FUNC_SIGNATURE_VERIFY_RECOVER_INIT: | |
92 | if (signature->verify_recover_init != NULL) | |
93 | break; | |
94 | signature->verify_recover_init | |
363b1e5d | 95 | = OSSL_FUNC_signature_verify_recover_init(fns); |
e683582b SL |
96 | verifyrecfncnt++; |
97 | break; | |
98 | case OSSL_FUNC_SIGNATURE_VERIFY_RECOVER: | |
99 | if (signature->verify_recover != NULL) | |
100 | break; | |
101 | signature->verify_recover | |
363b1e5d | 102 | = OSSL_FUNC_signature_verify_recover(fns); |
e683582b SL |
103 | verifyrecfncnt++; |
104 | break; | |
105 | case OSSL_FUNC_SIGNATURE_DIGEST_SIGN_INIT: | |
106 | if (signature->digest_sign_init != NULL) | |
107 | break; | |
108 | signature->digest_sign_init | |
363b1e5d | 109 | = OSSL_FUNC_signature_digest_sign_init(fns); |
e683582b SL |
110 | break; |
111 | case OSSL_FUNC_SIGNATURE_DIGEST_SIGN_UPDATE: | |
112 | if (signature->digest_sign_update != NULL) | |
113 | break; | |
114 | signature->digest_sign_update | |
363b1e5d | 115 | = OSSL_FUNC_signature_digest_sign_update(fns); |
e683582b SL |
116 | digsignfncnt++; |
117 | break; | |
118 | case OSSL_FUNC_SIGNATURE_DIGEST_SIGN_FINAL: | |
119 | if (signature->digest_sign_final != NULL) | |
120 | break; | |
121 | signature->digest_sign_final | |
363b1e5d | 122 | = OSSL_FUNC_signature_digest_sign_final(fns); |
e683582b SL |
123 | digsignfncnt++; |
124 | break; | |
eea1e780 MC |
125 | case OSSL_FUNC_SIGNATURE_DIGEST_SIGN: |
126 | if (signature->digest_sign != NULL) | |
127 | break; | |
128 | signature->digest_sign | |
363b1e5d | 129 | = OSSL_FUNC_signature_digest_sign(fns); |
eea1e780 | 130 | break; |
e683582b SL |
131 | case OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_INIT: |
132 | if (signature->digest_verify_init != NULL) | |
133 | break; | |
134 | signature->digest_verify_init | |
363b1e5d | 135 | = OSSL_FUNC_signature_digest_verify_init(fns); |
e683582b SL |
136 | break; |
137 | case OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_UPDATE: | |
138 | if (signature->digest_verify_update != NULL) | |
139 | break; | |
140 | signature->digest_verify_update | |
363b1e5d | 141 | = OSSL_FUNC_signature_digest_verify_update(fns); |
e683582b SL |
142 | digverifyfncnt++; |
143 | break; | |
144 | case OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_FINAL: | |
145 | if (signature->digest_verify_final != NULL) | |
146 | break; | |
147 | signature->digest_verify_final | |
363b1e5d | 148 | = OSSL_FUNC_signature_digest_verify_final(fns); |
e683582b SL |
149 | digverifyfncnt++; |
150 | break; | |
eea1e780 MC |
151 | case OSSL_FUNC_SIGNATURE_DIGEST_VERIFY: |
152 | if (signature->digest_verify != NULL) | |
153 | break; | |
154 | signature->digest_verify | |
363b1e5d | 155 | = OSSL_FUNC_signature_digest_verify(fns); |
eea1e780 | 156 | break; |
e683582b SL |
157 | case OSSL_FUNC_SIGNATURE_FREECTX: |
158 | if (signature->freectx != NULL) | |
159 | break; | |
363b1e5d | 160 | signature->freectx = OSSL_FUNC_signature_freectx(fns); |
e683582b SL |
161 | ctxfncnt++; |
162 | break; | |
163 | case OSSL_FUNC_SIGNATURE_DUPCTX: | |
164 | if (signature->dupctx != NULL) | |
165 | break; | |
363b1e5d | 166 | signature->dupctx = OSSL_FUNC_signature_dupctx(fns); |
e683582b SL |
167 | break; |
168 | case OSSL_FUNC_SIGNATURE_GET_CTX_PARAMS: | |
169 | if (signature->get_ctx_params != NULL) | |
170 | break; | |
171 | signature->get_ctx_params | |
363b1e5d | 172 | = OSSL_FUNC_signature_get_ctx_params(fns); |
e683582b SL |
173 | gparamfncnt++; |
174 | break; | |
175 | case OSSL_FUNC_SIGNATURE_GETTABLE_CTX_PARAMS: | |
176 | if (signature->gettable_ctx_params != NULL) | |
177 | break; | |
178 | signature->gettable_ctx_params | |
363b1e5d | 179 | = OSSL_FUNC_signature_gettable_ctx_params(fns); |
e683582b SL |
180 | gparamfncnt++; |
181 | break; | |
182 | case OSSL_FUNC_SIGNATURE_SET_CTX_PARAMS: | |
183 | if (signature->set_ctx_params != NULL) | |
184 | break; | |
185 | signature->set_ctx_params | |
363b1e5d | 186 | = OSSL_FUNC_signature_set_ctx_params(fns); |
e683582b SL |
187 | sparamfncnt++; |
188 | break; | |
189 | case OSSL_FUNC_SIGNATURE_SETTABLE_CTX_PARAMS: | |
190 | if (signature->settable_ctx_params != NULL) | |
191 | break; | |
192 | signature->settable_ctx_params | |
363b1e5d | 193 | = OSSL_FUNC_signature_settable_ctx_params(fns); |
e683582b SL |
194 | sparamfncnt++; |
195 | break; | |
196 | case OSSL_FUNC_SIGNATURE_GET_CTX_MD_PARAMS: | |
197 | if (signature->get_ctx_md_params != NULL) | |
198 | break; | |
199 | signature->get_ctx_md_params | |
363b1e5d | 200 | = OSSL_FUNC_signature_get_ctx_md_params(fns); |
e683582b SL |
201 | gmdparamfncnt++; |
202 | break; | |
203 | case OSSL_FUNC_SIGNATURE_GETTABLE_CTX_MD_PARAMS: | |
204 | if (signature->gettable_ctx_md_params != NULL) | |
205 | break; | |
206 | signature->gettable_ctx_md_params | |
363b1e5d | 207 | = OSSL_FUNC_signature_gettable_ctx_md_params(fns); |
e683582b SL |
208 | gmdparamfncnt++; |
209 | break; | |
210 | case OSSL_FUNC_SIGNATURE_SET_CTX_MD_PARAMS: | |
211 | if (signature->set_ctx_md_params != NULL) | |
212 | break; | |
213 | signature->set_ctx_md_params | |
363b1e5d | 214 | = OSSL_FUNC_signature_set_ctx_md_params(fns); |
e683582b SL |
215 | smdparamfncnt++; |
216 | break; | |
217 | case OSSL_FUNC_SIGNATURE_SETTABLE_CTX_MD_PARAMS: | |
218 | if (signature->settable_ctx_md_params != NULL) | |
219 | break; | |
220 | signature->settable_ctx_md_params | |
363b1e5d | 221 | = OSSL_FUNC_signature_settable_ctx_md_params(fns); |
e683582b SL |
222 | smdparamfncnt++; |
223 | break; | |
224 | } | |
225 | } | |
226 | if (ctxfncnt != 2 | |
227 | || (signfncnt == 0 | |
228 | && verifyfncnt == 0 | |
229 | && verifyrecfncnt == 0 | |
230 | && digsignfncnt == 0 | |
eea1e780 MC |
231 | && digverifyfncnt == 0 |
232 | && signature->digest_sign == NULL | |
233 | && signature->digest_verify == NULL) | |
e683582b SL |
234 | || (signfncnt != 0 && signfncnt != 2) |
235 | || (verifyfncnt != 0 && verifyfncnt != 2) | |
236 | || (verifyrecfncnt != 0 && verifyrecfncnt != 2) | |
eea1e780 MC |
237 | || (digsignfncnt != 0 && digsignfncnt != 2) |
238 | || (digsignfncnt == 2 && signature->digest_sign_init == NULL) | |
239 | || (digverifyfncnt != 0 && digverifyfncnt != 2) | |
240 | || (digverifyfncnt == 2 && signature->digest_verify_init == NULL) | |
241 | || (signature->digest_sign != NULL | |
242 | && signature->digest_sign_init == NULL) | |
243 | || (signature->digest_verify != NULL | |
244 | && signature->digest_verify_init == NULL) | |
e683582b SL |
245 | || (gparamfncnt != 0 && gparamfncnt != 2) |
246 | || (sparamfncnt != 0 && sparamfncnt != 2) | |
247 | || (gmdparamfncnt != 0 && gmdparamfncnt != 2) | |
248 | || (smdparamfncnt != 0 && smdparamfncnt != 2)) { | |
249 | /* | |
250 | * In order to be a consistent set of functions we must have at least | |
251 | * a set of context functions (newctx and freectx) as well as a set of | |
252 | * "signature" functions: | |
253 | * (sign_init, sign) or | |
254 | * (verify_init verify) or | |
255 | * (verify_recover_init, verify_recover) or | |
256 | * (digest_sign_init, digest_sign_update, digest_sign_final) or | |
eea1e780 MC |
257 | * (digest_verify_init, digest_verify_update, digest_verify_final) or |
258 | * (digest_sign_init, digest_sign) or | |
259 | * (digest_verify_init, digest_verify). | |
e683582b SL |
260 | * |
261 | * set_ctx_params and settable_ctx_params are optional, but if one of | |
262 | * them is present then the other one must also be present. The same | |
263 | * applies to get_ctx_params and gettable_ctx_params. The same rules | |
264 | * apply to the "md_params" functions. The dupctx function is optional. | |
265 | */ | |
266 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_PROVIDER_FUNCTIONS); | |
267 | goto err; | |
268 | } | |
269 | ||
270 | return signature; | |
271 | err: | |
272 | EVP_SIGNATURE_free(signature); | |
273 | return NULL; | |
274 | } | |
275 | ||
276 | void EVP_SIGNATURE_free(EVP_SIGNATURE *signature) | |
277 | { | |
278 | if (signature != NULL) { | |
279 | int i; | |
280 | ||
281 | CRYPTO_DOWN_REF(&signature->refcnt, &i, signature->lock); | |
282 | if (i > 0) | |
283 | return; | |
284 | ossl_provider_free(signature->prov); | |
285 | CRYPTO_THREAD_lock_free(signature->lock); | |
286 | OPENSSL_free(signature); | |
287 | } | |
288 | } | |
289 | ||
290 | int EVP_SIGNATURE_up_ref(EVP_SIGNATURE *signature) | |
291 | { | |
292 | int ref = 0; | |
293 | ||
294 | CRYPTO_UP_REF(&signature->refcnt, &ref, signature->lock); | |
295 | return 1; | |
296 | } | |
297 | ||
298 | OSSL_PROVIDER *EVP_SIGNATURE_provider(const EVP_SIGNATURE *signature) | |
299 | { | |
300 | return signature->prov; | |
301 | } | |
302 | ||
b4250010 | 303 | EVP_SIGNATURE *EVP_SIGNATURE_fetch(OSSL_LIB_CTX *ctx, const char *algorithm, |
e683582b SL |
304 | const char *properties) |
305 | { | |
306 | return evp_generic_fetch(ctx, OSSL_OP_SIGNATURE, algorithm, properties, | |
309a78aa | 307 | evp_signature_from_algorithm, |
e683582b SL |
308 | (int (*)(void *))EVP_SIGNATURE_up_ref, |
309 | (void (*)(void *))EVP_SIGNATURE_free); | |
310 | } | |
311 | ||
312 | int EVP_SIGNATURE_is_a(const EVP_SIGNATURE *signature, const char *name) | |
313 | { | |
e4a1d023 | 314 | return evp_is_a(signature->prov, signature->name_id, NULL, name); |
e683582b SL |
315 | } |
316 | ||
317 | int EVP_SIGNATURE_number(const EVP_SIGNATURE *signature) | |
318 | { | |
319 | return signature->name_id; | |
320 | } | |
321 | ||
b4250010 | 322 | void EVP_SIGNATURE_do_all_provided(OSSL_LIB_CTX *libctx, |
e683582b SL |
323 | void (*fn)(EVP_SIGNATURE *signature, |
324 | void *arg), | |
325 | void *arg) | |
326 | { | |
327 | evp_generic_do_all(libctx, OSSL_OP_SIGNATURE, | |
328 | (void (*)(void *, void *))fn, arg, | |
309a78aa | 329 | evp_signature_from_algorithm, |
e683582b SL |
330 | (void (*)(void *))EVP_SIGNATURE_free); |
331 | } | |
332 | ||
333 | ||
d84f5515 MC |
334 | int EVP_SIGNATURE_names_do_all(const EVP_SIGNATURE *signature, |
335 | void (*fn)(const char *name, void *data), | |
336 | void *data) | |
e683582b SL |
337 | { |
338 | if (signature->prov != NULL) | |
d84f5515 MC |
339 | return evp_names_do_all(signature->prov, signature->name_id, fn, data); |
340 | ||
341 | return 1; | |
e683582b SL |
342 | } |
343 | ||
e3efe7a5 SL |
344 | const OSSL_PARAM *EVP_SIGNATURE_gettable_ctx_params(const EVP_SIGNATURE *sig) |
345 | { | |
346 | void *provctx; | |
347 | ||
348 | if (sig == NULL || sig->gettable_ctx_params == NULL) | |
349 | return NULL; | |
350 | ||
351 | provctx = ossl_provider_ctx(EVP_SIGNATURE_provider(sig)); | |
fb67126e | 352 | return sig->gettable_ctx_params(NULL, provctx); |
e3efe7a5 SL |
353 | } |
354 | ||
355 | const OSSL_PARAM *EVP_SIGNATURE_settable_ctx_params(const EVP_SIGNATURE *sig) | |
356 | { | |
357 | void *provctx; | |
358 | ||
359 | if (sig == NULL || sig->settable_ctx_params == NULL) | |
360 | return NULL; | |
361 | ||
362 | provctx = ossl_provider_ctx(EVP_SIGNATURE_provider(sig)); | |
fb67126e | 363 | return sig->settable_ctx_params(NULL, provctx); |
e3efe7a5 SL |
364 | } |
365 | ||
4b58d9b4 P |
366 | static int evp_pkey_signature_init(EVP_PKEY_CTX *ctx, int operation, |
367 | const OSSL_PARAM params[]) | |
e683582b SL |
368 | { |
369 | int ret = 0; | |
370 | void *provkey = NULL; | |
371 | EVP_SIGNATURE *signature = NULL; | |
f6aa5774 RL |
372 | EVP_KEYMGMT *tmp_keymgmt = NULL; |
373 | const char *supported_sig = NULL; | |
e683582b SL |
374 | |
375 | if (ctx == NULL) { | |
9311d0c4 | 376 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
e683582b SL |
377 | return -2; |
378 | } | |
379 | ||
380 | evp_pkey_ctx_free_old_ops(ctx); | |
381 | ctx->operation = operation; | |
382 | ||
0b9dd384 RL |
383 | /* |
384 | * TODO when we stop falling back to legacy, this and the ERR_pop_to_mark() | |
385 | * calls can be removed. | |
386 | */ | |
387 | ERR_set_mark(); | |
388 | ||
f21c9c64 | 389 | if (evp_pkey_ctx_is_legacy(ctx)) |
e683582b SL |
390 | goto legacy; |
391 | ||
3c6ed955 RL |
392 | /* |
393 | * Ensure that the key is provided, either natively, or as a cached export. | |
394 | * If not, go legacy | |
395 | */ | |
f6aa5774 | 396 | tmp_keymgmt = ctx->keymgmt; |
3c6ed955 RL |
397 | provkey = evp_pkey_export_to_provider(ctx->pkey, ctx->libctx, |
398 | &tmp_keymgmt, ctx->propquery); | |
d0ddf9b4 | 399 | if (tmp_keymgmt == NULL) |
f6aa5774 RL |
400 | goto legacy; |
401 | if (!EVP_KEYMGMT_up_ref(tmp_keymgmt)) { | |
0b9dd384 | 402 | ERR_clear_last_mark(); |
f6aa5774 RL |
403 | ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR); |
404 | goto err; | |
e683582b | 405 | } |
f6aa5774 RL |
406 | EVP_KEYMGMT_free(ctx->keymgmt); |
407 | ctx->keymgmt = tmp_keymgmt; | |
408 | ||
409 | if (ctx->keymgmt->query_operation_name != NULL) | |
410 | supported_sig = ctx->keymgmt->query_operation_name(OSSL_OP_SIGNATURE); | |
411 | ||
412 | /* | |
413 | * If we didn't get a supported sig, assume there is one with the | |
414 | * same name as the key type. | |
415 | */ | |
416 | if (supported_sig == NULL) | |
417 | supported_sig = ctx->keytype; | |
418 | ||
419 | /* | |
420 | * Because we cleared out old ops, we shouldn't need to worry about | |
421 | * checking if signature is already there. | |
422 | */ | |
423 | signature = | |
424 | EVP_SIGNATURE_fetch(ctx->libctx, supported_sig, ctx->propquery); | |
425 | ||
426 | if (signature == NULL | |
e683582b SL |
427 | || (EVP_KEYMGMT_provider(ctx->keymgmt) |
428 | != EVP_SIGNATURE_provider(signature))) { | |
429 | /* | |
0b9dd384 RL |
430 | * We don't need to free ctx->keymgmt here, as it's not necessarily |
431 | * tied to this operation. It will be freed by EVP_PKEY_CTX_free(). | |
e683582b SL |
432 | */ |
433 | EVP_SIGNATURE_free(signature); | |
434 | goto legacy; | |
435 | } | |
436 | ||
0b9dd384 RL |
437 | /* |
438 | * TODO remove this when legacy is gone | |
439 | * If we don't have the full support we need with provided methods, | |
440 | * let's go see if legacy does. | |
441 | */ | |
442 | ERR_pop_to_mark(); | |
443 | ||
444 | /* No more legacy from here down to legacy: */ | |
445 | ||
e683582b | 446 | ctx->op.sig.signature = signature; |
2c6094ba RL |
447 | ctx->op.sig.sigprovctx = |
448 | signature->newctx(ossl_provider_ctx(signature->prov), ctx->propquery); | |
e683582b SL |
449 | if (ctx->op.sig.sigprovctx == NULL) { |
450 | /* The provider key can stay in the cache */ | |
9311d0c4 | 451 | ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR); |
e683582b SL |
452 | goto err; |
453 | } | |
454 | ||
455 | switch (operation) { | |
456 | case EVP_PKEY_OP_SIGN: | |
457 | if (signature->sign_init == NULL) { | |
9311d0c4 | 458 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
e683582b SL |
459 | ret = -2; |
460 | goto err; | |
461 | } | |
4b58d9b4 | 462 | ret = signature->sign_init(ctx->op.sig.sigprovctx, provkey, params); |
e683582b SL |
463 | break; |
464 | case EVP_PKEY_OP_VERIFY: | |
465 | if (signature->verify_init == NULL) { | |
9311d0c4 | 466 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
e683582b SL |
467 | ret = -2; |
468 | goto err; | |
469 | } | |
4b58d9b4 | 470 | ret = signature->verify_init(ctx->op.sig.sigprovctx, provkey, params); |
e683582b SL |
471 | break; |
472 | case EVP_PKEY_OP_VERIFYRECOVER: | |
473 | if (signature->verify_recover_init == NULL) { | |
9311d0c4 | 474 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
e683582b SL |
475 | ret = -2; |
476 | goto err; | |
477 | } | |
4b58d9b4 P |
478 | ret = signature->verify_recover_init(ctx->op.sig.sigprovctx, provkey, |
479 | params); | |
e683582b SL |
480 | break; |
481 | default: | |
9311d0c4 | 482 | ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR); |
e683582b SL |
483 | goto err; |
484 | } | |
485 | ||
486 | if (ret <= 0) { | |
487 | signature->freectx(ctx->op.sig.sigprovctx); | |
488 | ctx->op.sig.sigprovctx = NULL; | |
489 | goto err; | |
490 | } | |
86df26b3 | 491 | goto end; |
e683582b SL |
492 | |
493 | legacy: | |
0b9dd384 RL |
494 | /* |
495 | * TODO remove this when legacy is gone | |
496 | * If we don't have the full support we need with provided methods, | |
497 | * let's go see if legacy does. | |
498 | */ | |
499 | ERR_pop_to_mark(); | |
500 | ||
e683582b SL |
501 | if (ctx->pmeth == NULL |
502 | || (operation == EVP_PKEY_OP_SIGN && ctx->pmeth->sign == NULL) | |
503 | || (operation == EVP_PKEY_OP_VERIFY && ctx->pmeth->verify == NULL) | |
504 | || (operation == EVP_PKEY_OP_VERIFYRECOVER | |
505 | && ctx->pmeth->verify_recover == NULL)) { | |
9311d0c4 | 506 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
e683582b SL |
507 | return -2; |
508 | } | |
509 | ||
510 | switch (operation) { | |
511 | case EVP_PKEY_OP_SIGN: | |
512 | if (ctx->pmeth->sign_init == NULL) | |
513 | return 1; | |
514 | ret = ctx->pmeth->sign_init(ctx); | |
515 | break; | |
516 | case EVP_PKEY_OP_VERIFY: | |
517 | if (ctx->pmeth->verify_init == NULL) | |
518 | return 1; | |
519 | ret = ctx->pmeth->verify_init(ctx); | |
520 | break; | |
521 | case EVP_PKEY_OP_VERIFYRECOVER: | |
522 | if (ctx->pmeth->verify_recover_init == NULL) | |
523 | return 1; | |
524 | ret = ctx->pmeth->verify_recover_init(ctx); | |
525 | break; | |
526 | default: | |
9311d0c4 | 527 | ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR); |
e683582b SL |
528 | goto err; |
529 | } | |
530 | if (ret <= 0) | |
531 | goto err; | |
86df26b3 RL |
532 | end: |
533 | #ifndef FIPS_MODULE | |
534 | if (ret > 0) | |
535 | ret = evp_pkey_ctx_use_cached_data(ctx); | |
536 | #endif | |
e683582b | 537 | |
86df26b3 | 538 | return ret; |
e683582b | 539 | err: |
c7fa9297 | 540 | evp_pkey_ctx_free_old_ops(ctx); |
e683582b SL |
541 | ctx->operation = EVP_PKEY_OP_UNDEFINED; |
542 | return ret; | |
543 | } | |
544 | ||
545 | int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx) | |
546 | { | |
4b58d9b4 P |
547 | return evp_pkey_signature_init(ctx, EVP_PKEY_OP_SIGN, NULL); |
548 | } | |
549 | ||
550 | int EVP_PKEY_sign_init_ex(EVP_PKEY_CTX *ctx, const OSSL_PARAM params[]) | |
551 | { | |
552 | return evp_pkey_signature_init(ctx, EVP_PKEY_OP_SIGN, params); | |
e683582b SL |
553 | } |
554 | ||
555 | int EVP_PKEY_sign(EVP_PKEY_CTX *ctx, | |
556 | unsigned char *sig, size_t *siglen, | |
557 | const unsigned char *tbs, size_t tbslen) | |
558 | { | |
559 | int ret; | |
560 | ||
561 | if (ctx == NULL) { | |
9311d0c4 | 562 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
e683582b SL |
563 | return -2; |
564 | } | |
565 | ||
566 | if (ctx->operation != EVP_PKEY_OP_SIGN) { | |
bf23b9a1 | 567 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_INITIALIZED); |
e683582b SL |
568 | return -1; |
569 | } | |
570 | ||
571 | if (ctx->op.sig.sigprovctx == NULL) | |
572 | goto legacy; | |
573 | ||
574 | ret = ctx->op.sig.signature->sign(ctx->op.sig.sigprovctx, sig, siglen, | |
575 | SIZE_MAX, tbs, tbslen); | |
576 | ||
577 | return ret; | |
578 | legacy: | |
579 | ||
580 | if (ctx->pmeth == NULL || ctx->pmeth->sign == NULL) { | |
9311d0c4 | 581 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
e683582b SL |
582 | return -2; |
583 | } | |
584 | ||
585 | M_check_autoarg(ctx, sig, siglen, EVP_F_EVP_PKEY_SIGN) | |
586 | return ctx->pmeth->sign(ctx, sig, siglen, tbs, tbslen); | |
587 | } | |
588 | ||
589 | int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx) | |
590 | { | |
4b58d9b4 P |
591 | return evp_pkey_signature_init(ctx, EVP_PKEY_OP_VERIFY, NULL); |
592 | } | |
593 | ||
594 | int EVP_PKEY_verify_init_ex(EVP_PKEY_CTX *ctx, const OSSL_PARAM params[]) | |
595 | { | |
596 | return evp_pkey_signature_init(ctx, EVP_PKEY_OP_VERIFY, params); | |
e683582b SL |
597 | } |
598 | ||
599 | int EVP_PKEY_verify(EVP_PKEY_CTX *ctx, | |
600 | const unsigned char *sig, size_t siglen, | |
601 | const unsigned char *tbs, size_t tbslen) | |
602 | { | |
603 | int ret; | |
604 | ||
605 | if (ctx == NULL) { | |
9311d0c4 | 606 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
e683582b SL |
607 | return -2; |
608 | } | |
609 | ||
610 | if (ctx->operation != EVP_PKEY_OP_VERIFY) { | |
bf23b9a1 | 611 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_INITIALIZED); |
e683582b SL |
612 | return -1; |
613 | } | |
614 | ||
615 | if (ctx->op.sig.sigprovctx == NULL) | |
616 | goto legacy; | |
617 | ||
618 | ret = ctx->op.sig.signature->verify(ctx->op.sig.sigprovctx, sig, siglen, | |
619 | tbs, tbslen); | |
620 | ||
621 | return ret; | |
622 | legacy: | |
623 | if (ctx->pmeth == NULL || ctx->pmeth->verify == NULL) { | |
9311d0c4 | 624 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
e683582b SL |
625 | return -2; |
626 | } | |
627 | ||
628 | return ctx->pmeth->verify(ctx, sig, siglen, tbs, tbslen); | |
629 | } | |
630 | ||
631 | int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx) | |
632 | { | |
4b58d9b4 P |
633 | return evp_pkey_signature_init(ctx, EVP_PKEY_OP_VERIFYRECOVER, NULL); |
634 | } | |
635 | ||
636 | int EVP_PKEY_verify_recover_init_ex(EVP_PKEY_CTX *ctx, | |
637 | const OSSL_PARAM params[]) | |
638 | { | |
639 | return evp_pkey_signature_init(ctx, EVP_PKEY_OP_VERIFYRECOVER, params); | |
e683582b SL |
640 | } |
641 | ||
642 | int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx, | |
643 | unsigned char *rout, size_t *routlen, | |
644 | const unsigned char *sig, size_t siglen) | |
645 | { | |
646 | int ret; | |
647 | ||
648 | if (ctx == NULL) { | |
9311d0c4 | 649 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
e683582b SL |
650 | return -2; |
651 | } | |
652 | ||
653 | if (ctx->operation != EVP_PKEY_OP_VERIFYRECOVER) { | |
bf23b9a1 | 654 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_INITIALIZED); |
e683582b SL |
655 | return -1; |
656 | } | |
657 | ||
658 | if (ctx->op.sig.sigprovctx == NULL) | |
659 | goto legacy; | |
660 | ||
661 | ret = ctx->op.sig.signature->verify_recover(ctx->op.sig.sigprovctx, rout, | |
662 | routlen, | |
663 | (rout == NULL ? 0 : *routlen), | |
664 | sig, siglen); | |
665 | return ret; | |
666 | legacy: | |
667 | if (ctx->pmeth == NULL || ctx->pmeth->verify_recover == NULL) { | |
9311d0c4 | 668 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
e683582b SL |
669 | return -2; |
670 | } | |
671 | M_check_autoarg(ctx, rout, routlen, EVP_F_EVP_PKEY_VERIFY_RECOVER) | |
672 | return ctx->pmeth->verify_recover(ctx, rout, routlen, sig, siglen); | |
673 | } |