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source: vbox/trunk/src/libs/openssl-3.0.7/crypto/evp/signature.c@ 97371

最後變更 在這個檔案從97371是 94320,由 vboxsync 提交於 3 年 前

libs/openssl-3.0.1: Export to OSE and fix copyright headers in Makefiles, bugref:10128
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1/*
2 * Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved.
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/numbers.h" /* includes SIZE_MAX */
15#include "internal/cryptlib.h"
16#include "internal/provider.h"
17#include "internal/core.h"
18#include "crypto/evp.h"
19#include "evp_local.h"
20
21static EVP_SIGNATURE *evp_signature_new(OSSL_PROVIDER *prov)
22{
23 EVP_SIGNATURE *signature = OPENSSL_zalloc(sizeof(EVP_SIGNATURE));
24
25 if (signature == NULL) {
26 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
27 return NULL;
28 }
29
30 signature->lock = CRYPTO_THREAD_lock_new();
31 if (signature->lock == NULL) {
32 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
33 OPENSSL_free(signature);
34 return NULL;
35 }
36 signature->prov = prov;
37 ossl_provider_up_ref(prov);
38 signature->refcnt = 1;
39
40 return signature;
41}
42
43static void *evp_signature_from_algorithm(int name_id,
44 const OSSL_ALGORITHM *algodef,
45 OSSL_PROVIDER *prov)
46{
47 const OSSL_DISPATCH *fns = algodef->implementation;
48 EVP_SIGNATURE *signature = NULL;
49 int ctxfncnt = 0, signfncnt = 0, verifyfncnt = 0, verifyrecfncnt = 0;
50 int digsignfncnt = 0, digverifyfncnt = 0;
51 int gparamfncnt = 0, sparamfncnt = 0, gmdparamfncnt = 0, smdparamfncnt = 0;
52
53 if ((signature = evp_signature_new(prov)) == NULL) {
54 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
55 goto err;
56 }
57
58 signature->name_id = name_id;
59 if ((signature->type_name = ossl_algorithm_get1_first_name(algodef)) == NULL)
60 goto err;
61 signature->description = algodef->algorithm_description;
62
63 for (; fns->function_id != 0; fns++) {
64 switch (fns->function_id) {
65 case OSSL_FUNC_SIGNATURE_NEWCTX:
66 if (signature->newctx != NULL)
67 break;
68 signature->newctx = OSSL_FUNC_signature_newctx(fns);
69 ctxfncnt++;
70 break;
71 case OSSL_FUNC_SIGNATURE_SIGN_INIT:
72 if (signature->sign_init != NULL)
73 break;
74 signature->sign_init = OSSL_FUNC_signature_sign_init(fns);
75 signfncnt++;
76 break;
77 case OSSL_FUNC_SIGNATURE_SIGN:
78 if (signature->sign != NULL)
79 break;
80 signature->sign = OSSL_FUNC_signature_sign(fns);
81 signfncnt++;
82 break;
83 case OSSL_FUNC_SIGNATURE_VERIFY_INIT:
84 if (signature->verify_init != NULL)
85 break;
86 signature->verify_init = OSSL_FUNC_signature_verify_init(fns);
87 verifyfncnt++;
88 break;
89 case OSSL_FUNC_SIGNATURE_VERIFY:
90 if (signature->verify != NULL)
91 break;
92 signature->verify = OSSL_FUNC_signature_verify(fns);
93 verifyfncnt++;
94 break;
95 case OSSL_FUNC_SIGNATURE_VERIFY_RECOVER_INIT:
96 if (signature->verify_recover_init != NULL)
97 break;
98 signature->verify_recover_init
99 = OSSL_FUNC_signature_verify_recover_init(fns);
100 verifyrecfncnt++;
101 break;
102 case OSSL_FUNC_SIGNATURE_VERIFY_RECOVER:
103 if (signature->verify_recover != NULL)
104 break;
105 signature->verify_recover
106 = OSSL_FUNC_signature_verify_recover(fns);
107 verifyrecfncnt++;
108 break;
109 case OSSL_FUNC_SIGNATURE_DIGEST_SIGN_INIT:
110 if (signature->digest_sign_init != NULL)
111 break;
112 signature->digest_sign_init
113 = OSSL_FUNC_signature_digest_sign_init(fns);
114 break;
115 case OSSL_FUNC_SIGNATURE_DIGEST_SIGN_UPDATE:
116 if (signature->digest_sign_update != NULL)
117 break;
118 signature->digest_sign_update
119 = OSSL_FUNC_signature_digest_sign_update(fns);
120 digsignfncnt++;
121 break;
122 case OSSL_FUNC_SIGNATURE_DIGEST_SIGN_FINAL:
123 if (signature->digest_sign_final != NULL)
124 break;
125 signature->digest_sign_final
126 = OSSL_FUNC_signature_digest_sign_final(fns);
127 digsignfncnt++;
128 break;
129 case OSSL_FUNC_SIGNATURE_DIGEST_SIGN:
130 if (signature->digest_sign != NULL)
131 break;
132 signature->digest_sign
133 = OSSL_FUNC_signature_digest_sign(fns);
134 break;
135 case OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_INIT:
136 if (signature->digest_verify_init != NULL)
137 break;
138 signature->digest_verify_init
139 = OSSL_FUNC_signature_digest_verify_init(fns);
140 break;
141 case OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_UPDATE:
142 if (signature->digest_verify_update != NULL)
143 break;
144 signature->digest_verify_update
145 = OSSL_FUNC_signature_digest_verify_update(fns);
146 digverifyfncnt++;
147 break;
148 case OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_FINAL:
149 if (signature->digest_verify_final != NULL)
150 break;
151 signature->digest_verify_final
152 = OSSL_FUNC_signature_digest_verify_final(fns);
153 digverifyfncnt++;
154 break;
155 case OSSL_FUNC_SIGNATURE_DIGEST_VERIFY:
156 if (signature->digest_verify != NULL)
157 break;
158 signature->digest_verify
159 = OSSL_FUNC_signature_digest_verify(fns);
160 break;
161 case OSSL_FUNC_SIGNATURE_FREECTX:
162 if (signature->freectx != NULL)
163 break;
164 signature->freectx = OSSL_FUNC_signature_freectx(fns);
165 ctxfncnt++;
166 break;
167 case OSSL_FUNC_SIGNATURE_DUPCTX:
168 if (signature->dupctx != NULL)
169 break;
170 signature->dupctx = OSSL_FUNC_signature_dupctx(fns);
171 break;
172 case OSSL_FUNC_SIGNATURE_GET_CTX_PARAMS:
173 if (signature->get_ctx_params != NULL)
174 break;
175 signature->get_ctx_params
176 = OSSL_FUNC_signature_get_ctx_params(fns);
177 gparamfncnt++;
178 break;
179 case OSSL_FUNC_SIGNATURE_GETTABLE_CTX_PARAMS:
180 if (signature->gettable_ctx_params != NULL)
181 break;
182 signature->gettable_ctx_params
183 = OSSL_FUNC_signature_gettable_ctx_params(fns);
184 gparamfncnt++;
185 break;
186 case OSSL_FUNC_SIGNATURE_SET_CTX_PARAMS:
187 if (signature->set_ctx_params != NULL)
188 break;
189 signature->set_ctx_params
190 = OSSL_FUNC_signature_set_ctx_params(fns);
191 sparamfncnt++;
192 break;
193 case OSSL_FUNC_SIGNATURE_SETTABLE_CTX_PARAMS:
194 if (signature->settable_ctx_params != NULL)
195 break;
196 signature->settable_ctx_params
197 = OSSL_FUNC_signature_settable_ctx_params(fns);
198 sparamfncnt++;
199 break;
200 case OSSL_FUNC_SIGNATURE_GET_CTX_MD_PARAMS:
201 if (signature->get_ctx_md_params != NULL)
202 break;
203 signature->get_ctx_md_params
204 = OSSL_FUNC_signature_get_ctx_md_params(fns);
205 gmdparamfncnt++;
206 break;
207 case OSSL_FUNC_SIGNATURE_GETTABLE_CTX_MD_PARAMS:
208 if (signature->gettable_ctx_md_params != NULL)
209 break;
210 signature->gettable_ctx_md_params
211 = OSSL_FUNC_signature_gettable_ctx_md_params(fns);
212 gmdparamfncnt++;
213 break;
214 case OSSL_FUNC_SIGNATURE_SET_CTX_MD_PARAMS:
215 if (signature->set_ctx_md_params != NULL)
216 break;
217 signature->set_ctx_md_params
218 = OSSL_FUNC_signature_set_ctx_md_params(fns);
219 smdparamfncnt++;
220 break;
221 case OSSL_FUNC_SIGNATURE_SETTABLE_CTX_MD_PARAMS:
222 if (signature->settable_ctx_md_params != NULL)
223 break;
224 signature->settable_ctx_md_params
225 = OSSL_FUNC_signature_settable_ctx_md_params(fns);
226 smdparamfncnt++;
227 break;
228 }
229 }
230 if (ctxfncnt != 2
231 || (signfncnt == 0
232 && verifyfncnt == 0
233 && verifyrecfncnt == 0
234 && digsignfncnt == 0
235 && digverifyfncnt == 0
236 && signature->digest_sign == NULL
237 && signature->digest_verify == NULL)
238 || (signfncnt != 0 && signfncnt != 2)
239 || (verifyfncnt != 0 && verifyfncnt != 2)
240 || (verifyrecfncnt != 0 && verifyrecfncnt != 2)
241 || (digsignfncnt != 0 && digsignfncnt != 2)
242 || (digsignfncnt == 2 && signature->digest_sign_init == NULL)
243 || (digverifyfncnt != 0 && digverifyfncnt != 2)
244 || (digverifyfncnt == 2 && signature->digest_verify_init == NULL)
245 || (signature->digest_sign != NULL
246 && signature->digest_sign_init == NULL)
247 || (signature->digest_verify != NULL
248 && signature->digest_verify_init == NULL)
249 || (gparamfncnt != 0 && gparamfncnt != 2)
250 || (sparamfncnt != 0 && sparamfncnt != 2)
251 || (gmdparamfncnt != 0 && gmdparamfncnt != 2)
252 || (smdparamfncnt != 0 && smdparamfncnt != 2)) {
253 /*
254 * In order to be a consistent set of functions we must have at least
255 * a set of context functions (newctx and freectx) as well as a set of
256 * "signature" functions:
257 * (sign_init, sign) or
258 * (verify_init verify) or
259 * (verify_recover_init, verify_recover) or
260 * (digest_sign_init, digest_sign_update, digest_sign_final) or
261 * (digest_verify_init, digest_verify_update, digest_verify_final) or
262 * (digest_sign_init, digest_sign) or
263 * (digest_verify_init, digest_verify).
264 *
265 * set_ctx_params and settable_ctx_params are optional, but if one of
266 * them is present then the other one must also be present. The same
267 * applies to get_ctx_params and gettable_ctx_params. The same rules
268 * apply to the "md_params" functions. The dupctx function is optional.
269 */
270 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_PROVIDER_FUNCTIONS);
271 goto err;
272 }
273
274 return signature;
275 err:
276 EVP_SIGNATURE_free(signature);
277 return NULL;
278}
279
280void EVP_SIGNATURE_free(EVP_SIGNATURE *signature)
281{
282 int i;
283
284 if (signature == NULL)
285 return;
286 CRYPTO_DOWN_REF(&signature->refcnt, &i, signature->lock);
287 if (i > 0)
288 return;
289 OPENSSL_free(signature->type_name);
290 ossl_provider_free(signature->prov);
291 CRYPTO_THREAD_lock_free(signature->lock);
292 OPENSSL_free(signature);
293}
294
295int EVP_SIGNATURE_up_ref(EVP_SIGNATURE *signature)
296{
297 int ref = 0;
298
299 CRYPTO_UP_REF(&signature->refcnt, &ref, signature->lock);
300 return 1;
301}
302
303OSSL_PROVIDER *EVP_SIGNATURE_get0_provider(const EVP_SIGNATURE *signature)
304{
305 return signature->prov;
306}
307
308EVP_SIGNATURE *EVP_SIGNATURE_fetch(OSSL_LIB_CTX *ctx, const char *algorithm,
309 const char *properties)
310{
311 return evp_generic_fetch(ctx, OSSL_OP_SIGNATURE, algorithm, properties,
312 evp_signature_from_algorithm,
313 (int (*)(void *))EVP_SIGNATURE_up_ref,
314 (void (*)(void *))EVP_SIGNATURE_free);
315}
316
317EVP_SIGNATURE *evp_signature_fetch_from_prov(OSSL_PROVIDER *prov,
318 const char *algorithm,
319 const char *properties)
320{
321 return evp_generic_fetch_from_prov(prov, OSSL_OP_SIGNATURE,
322 algorithm, properties,
323 evp_signature_from_algorithm,
324 (int (*)(void *))EVP_SIGNATURE_up_ref,
325 (void (*)(void *))EVP_SIGNATURE_free);
326}
327
328int EVP_SIGNATURE_is_a(const EVP_SIGNATURE *signature, const char *name)
329{
330 return evp_is_a(signature->prov, signature->name_id, NULL, name);
331}
332
333int evp_signature_get_number(const EVP_SIGNATURE *signature)
334{
335 return signature->name_id;
336}
337
338const char *EVP_SIGNATURE_get0_name(const EVP_SIGNATURE *signature)
339{
340 return signature->type_name;
341}
342
343const char *EVP_SIGNATURE_get0_description(const EVP_SIGNATURE *signature)
344{
345 return signature->description;
346}
347
348void EVP_SIGNATURE_do_all_provided(OSSL_LIB_CTX *libctx,
349 void (*fn)(EVP_SIGNATURE *signature,
350 void *arg),
351 void *arg)
352{
353 evp_generic_do_all(libctx, OSSL_OP_SIGNATURE,
354 (void (*)(void *, void *))fn, arg,
355 evp_signature_from_algorithm,
356 (int (*)(void *))EVP_SIGNATURE_up_ref,
357 (void (*)(void *))EVP_SIGNATURE_free);
358}
359
360
361int EVP_SIGNATURE_names_do_all(const EVP_SIGNATURE *signature,
362 void (*fn)(const char *name, void *data),
363 void *data)
364{
365 if (signature->prov != NULL)
366 return evp_names_do_all(signature->prov, signature->name_id, fn, data);
367
368 return 1;
369}
370
371const OSSL_PARAM *EVP_SIGNATURE_gettable_ctx_params(const EVP_SIGNATURE *sig)
372{
373 void *provctx;
374
375 if (sig == NULL || sig->gettable_ctx_params == NULL)
376 return NULL;
377
378 provctx = ossl_provider_ctx(EVP_SIGNATURE_get0_provider(sig));
379 return sig->gettable_ctx_params(NULL, provctx);
380}
381
382const OSSL_PARAM *EVP_SIGNATURE_settable_ctx_params(const EVP_SIGNATURE *sig)
383{
384 void *provctx;
385
386 if (sig == NULL || sig->settable_ctx_params == NULL)
387 return NULL;
388
389 provctx = ossl_provider_ctx(EVP_SIGNATURE_get0_provider(sig));
390 return sig->settable_ctx_params(NULL, provctx);
391}
392
393static int evp_pkey_signature_init(EVP_PKEY_CTX *ctx, int operation,
394 const OSSL_PARAM params[])
395{
396 int ret = 0;
397 void *provkey = NULL;
398 EVP_SIGNATURE *signature = NULL;
399 EVP_KEYMGMT *tmp_keymgmt = NULL;
400 const OSSL_PROVIDER *tmp_prov = NULL;
401 const char *supported_sig = NULL;
402 int iter;
403
404 if (ctx == NULL) {
405 ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
406 return -2;
407 }
408
409 evp_pkey_ctx_free_old_ops(ctx);
410 ctx->operation = operation;
411
412 ERR_set_mark();
413
414 if (evp_pkey_ctx_is_legacy(ctx))
415 goto legacy;
416
417 if (ctx->pkey == NULL) {
418 ERR_clear_last_mark();
419 ERR_raise(ERR_LIB_EVP, EVP_R_NO_KEY_SET);
420 goto err;
421 }
422
423 /*
424 * Try to derive the supported signature from |ctx->keymgmt|.
425 */
426 if (!ossl_assert(ctx->pkey->keymgmt == NULL
427 || ctx->pkey->keymgmt == ctx->keymgmt)) {
428 ERR_clear_last_mark();
429 ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR);
430 goto err;
431 }
432 supported_sig = evp_keymgmt_util_query_operation_name(ctx->keymgmt,
433 OSSL_OP_SIGNATURE);
434 if (supported_sig == NULL) {
435 ERR_clear_last_mark();
436 ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR);
437 goto err;
438 }
439
440 /*
441 * We perform two iterations:
442 *
443 * 1. Do the normal signature fetch, using the fetching data given by
444 * the EVP_PKEY_CTX.
445 * 2. Do the provider specific signature fetch, from the same provider
446 * as |ctx->keymgmt|
447 *
448 * We then try to fetch the keymgmt from the same provider as the
449 * signature, and try to export |ctx->pkey| to that keymgmt (when
450 * this keymgmt happens to be the same as |ctx->keymgmt|, the export
451 * is a no-op, but we call it anyway to not complicate the code even
452 * more).
453 * If the export call succeeds (returns a non-NULL provider key pointer),
454 * we're done and can perform the operation itself. If not, we perform
455 * the second iteration, or jump to legacy.
456 */
457 for (iter = 1; iter < 3 && provkey == NULL; iter++) {
458 EVP_KEYMGMT *tmp_keymgmt_tofree = NULL;
459
460 /*
461 * If we're on the second iteration, free the results from the first.
462 * They are NULL on the first iteration, so no need to check what
463 * iteration we're on.
464 */
465 EVP_SIGNATURE_free(signature);
466 EVP_KEYMGMT_free(tmp_keymgmt);
467
468 switch (iter) {
469 case 1:
470 signature =
471 EVP_SIGNATURE_fetch(ctx->libctx, supported_sig, ctx->propquery);
472 if (signature != NULL)
473 tmp_prov = EVP_SIGNATURE_get0_provider(signature);
474 break;
475 case 2:
476 tmp_prov = EVP_KEYMGMT_get0_provider(ctx->keymgmt);
477 signature =
478 evp_signature_fetch_from_prov((OSSL_PROVIDER *)tmp_prov,
479 supported_sig, ctx->propquery);
480 if (signature == NULL)
481 goto legacy;
482 break;
483 }
484 if (signature == NULL)
485 continue;
486
487 /*
488 * Ensure that the key is provided, either natively, or as a cached
489 * export. We start by fetching the keymgmt with the same name as
490 * |ctx->pkey|, but from the provider of the signature method, using
491 * the same property query as when fetching the signature method.
492 * With the keymgmt we found (if we did), we try to export |ctx->pkey|
493 * to it (evp_pkey_export_to_provider() is smart enough to only actually
494
495 * export it if |tmp_keymgmt| is different from |ctx->pkey|'s keymgmt)
496 */
497 tmp_keymgmt_tofree = tmp_keymgmt =
498 evp_keymgmt_fetch_from_prov((OSSL_PROVIDER *)tmp_prov,
499 EVP_KEYMGMT_get0_name(ctx->keymgmt),
500 ctx->propquery);
501 if (tmp_keymgmt != NULL)
502 provkey = evp_pkey_export_to_provider(ctx->pkey, ctx->libctx,
503 &tmp_keymgmt, ctx->propquery);
504 if (tmp_keymgmt == NULL)
505 EVP_KEYMGMT_free(tmp_keymgmt_tofree);
506 }
507
508 if (provkey == NULL) {
509 EVP_SIGNATURE_free(signature);
510 goto legacy;
511 }
512
513 ERR_pop_to_mark();
514
515 /* No more legacy from here down to legacy: */
516
517 ctx->op.sig.signature = signature;
518 ctx->op.sig.algctx =
519 signature->newctx(ossl_provider_ctx(signature->prov), ctx->propquery);
520 if (ctx->op.sig.algctx == NULL) {
521 /* The provider key can stay in the cache */
522 ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR);
523 goto err;
524 }
525
526 switch (operation) {
527 case EVP_PKEY_OP_SIGN:
528 if (signature->sign_init == NULL) {
529 ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
530 ret = -2;
531 goto err;
532 }
533 ret = signature->sign_init(ctx->op.sig.algctx, provkey, params);
534 break;
535 case EVP_PKEY_OP_VERIFY:
536 if (signature->verify_init == NULL) {
537 ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
538 ret = -2;
539 goto err;
540 }
541 ret = signature->verify_init(ctx->op.sig.algctx, provkey, params);
542 break;
543 case EVP_PKEY_OP_VERIFYRECOVER:
544 if (signature->verify_recover_init == NULL) {
545 ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
546 ret = -2;
547 goto err;
548 }
549 ret = signature->verify_recover_init(ctx->op.sig.algctx, provkey,
550 params);
551 break;
552 default:
553 ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR);
554 goto err;
555 }
556
557 if (ret <= 0) {
558 signature->freectx(ctx->op.sig.algctx);
559 ctx->op.sig.algctx = NULL;
560 goto err;
561 }
562 goto end;
563
564 legacy:
565 /*
566 * If we don't have the full support we need with provided methods,
567 * let's go see if legacy does.
568 */
569 ERR_pop_to_mark();
570 EVP_KEYMGMT_free(tmp_keymgmt);
571 tmp_keymgmt = NULL;
572
573 if (ctx->pmeth == NULL
574 || (operation == EVP_PKEY_OP_SIGN && ctx->pmeth->sign == NULL)
575 || (operation == EVP_PKEY_OP_VERIFY && ctx->pmeth->verify == NULL)
576 || (operation == EVP_PKEY_OP_VERIFYRECOVER
577 && ctx->pmeth->verify_recover == NULL)) {
578 ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
579 return -2;
580 }
581
582 switch (operation) {
583 case EVP_PKEY_OP_SIGN:
584 if (ctx->pmeth->sign_init == NULL)
585 return 1;
586 ret = ctx->pmeth->sign_init(ctx);
587 break;
588 case EVP_PKEY_OP_VERIFY:
589 if (ctx->pmeth->verify_init == NULL)
590 return 1;
591 ret = ctx->pmeth->verify_init(ctx);
592 break;
593 case EVP_PKEY_OP_VERIFYRECOVER:
594 if (ctx->pmeth->verify_recover_init == NULL)
595 return 1;
596 ret = ctx->pmeth->verify_recover_init(ctx);
597 break;
598 default:
599 ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR);
600 goto err;
601 }
602 if (ret <= 0)
603 goto err;
604 end:
605#ifndef FIPS_MODULE
606 if (ret > 0)
607 ret = evp_pkey_ctx_use_cached_data(ctx);
608#endif
609
610 EVP_KEYMGMT_free(tmp_keymgmt);
611 return ret;
612 err:
613 evp_pkey_ctx_free_old_ops(ctx);
614 ctx->operation = EVP_PKEY_OP_UNDEFINED;
615 EVP_KEYMGMT_free(tmp_keymgmt);
616 return ret;
617}
618
619int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx)
620{
621 return evp_pkey_signature_init(ctx, EVP_PKEY_OP_SIGN, NULL);
622}
623
624int EVP_PKEY_sign_init_ex(EVP_PKEY_CTX *ctx, const OSSL_PARAM params[])
625{
626 return evp_pkey_signature_init(ctx, EVP_PKEY_OP_SIGN, params);
627}
628
629int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
630 unsigned char *sig, size_t *siglen,
631 const unsigned char *tbs, size_t tbslen)
632{
633 int ret;
634
635 if (ctx == NULL) {
636 ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
637 return -2;
638 }
639
640 if (ctx->operation != EVP_PKEY_OP_SIGN) {
641 ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_INITIALIZED);
642 return -1;
643 }
644
645 if (ctx->op.sig.algctx == NULL)
646 goto legacy;
647
648 ret = ctx->op.sig.signature->sign(ctx->op.sig.algctx, sig, siglen,
649 (sig == NULL) ? 0 : *siglen, tbs, tbslen);
650
651 return ret;
652 legacy:
653
654 if (ctx->pmeth == NULL || ctx->pmeth->sign == NULL) {
655 ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
656 return -2;
657 }
658
659 M_check_autoarg(ctx, sig, siglen, EVP_F_EVP_PKEY_SIGN)
660 return ctx->pmeth->sign(ctx, sig, siglen, tbs, tbslen);
661}
662
663int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx)
664{
665 return evp_pkey_signature_init(ctx, EVP_PKEY_OP_VERIFY, NULL);
666}
667
668int EVP_PKEY_verify_init_ex(EVP_PKEY_CTX *ctx, const OSSL_PARAM params[])
669{
670 return evp_pkey_signature_init(ctx, EVP_PKEY_OP_VERIFY, params);
671}
672
673int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
674 const unsigned char *sig, size_t siglen,
675 const unsigned char *tbs, size_t tbslen)
676{
677 int ret;
678
679 if (ctx == NULL) {
680 ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
681 return -2;
682 }
683
684 if (ctx->operation != EVP_PKEY_OP_VERIFY) {
685 ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_INITIALIZED);
686 return -1;
687 }
688
689 if (ctx->op.sig.algctx == NULL)
690 goto legacy;
691
692 ret = ctx->op.sig.signature->verify(ctx->op.sig.algctx, sig, siglen,
693 tbs, tbslen);
694
695 return ret;
696 legacy:
697 if (ctx->pmeth == NULL || ctx->pmeth->verify == NULL) {
698 ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
699 return -2;
700 }
701
702 return ctx->pmeth->verify(ctx, sig, siglen, tbs, tbslen);
703}
704
705int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx)
706{
707 return evp_pkey_signature_init(ctx, EVP_PKEY_OP_VERIFYRECOVER, NULL);
708}
709
710int EVP_PKEY_verify_recover_init_ex(EVP_PKEY_CTX *ctx,
711 const OSSL_PARAM params[])
712{
713 return evp_pkey_signature_init(ctx, EVP_PKEY_OP_VERIFYRECOVER, params);
714}
715
716int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx,
717 unsigned char *rout, size_t *routlen,
718 const unsigned char *sig, size_t siglen)
719{
720 int ret;
721
722 if (ctx == NULL) {
723 ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
724 return -2;
725 }
726
727 if (ctx->operation != EVP_PKEY_OP_VERIFYRECOVER) {
728 ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_INITIALIZED);
729 return -1;
730 }
731
732 if (ctx->op.sig.algctx == NULL)
733 goto legacy;
734
735 ret = ctx->op.sig.signature->verify_recover(ctx->op.sig.algctx, rout,
736 routlen,
737 (rout == NULL ? 0 : *routlen),
738 sig, siglen);
739 return ret;
740 legacy:
741 if (ctx->pmeth == NULL || ctx->pmeth->verify_recover == NULL) {
742 ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
743 return -2;
744 }
745 M_check_autoarg(ctx, rout, routlen, EVP_F_EVP_PKEY_VERIFY_RECOVER)
746 return ctx->pmeth->verify_recover(ctx, rout, routlen, sig, siglen);
747}
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