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1 | /* | |
2 | * Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved. | |
3 | * | |
4 | * Licensed under the OpenSSL license (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 "internal/cryptlib.h" | |
13 | #include <openssl/engine.h> | |
14 | #include <openssl/evp.h> | |
15 | #include <openssl/x509v3.h> | |
16 | #include "internal/asn1_int.h" | |
17 | #include "internal/evp_int.h" | |
18 | #include "internal/numbers.h" | |
19 | ||
20 | typedef int sk_cmp_fn_type(const char *const *a, const char *const *b); | |
21 | ||
22 | static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL; | |
23 | ||
24 | /* This array needs to be in order of NIDs */ | |
25 | static const EVP_PKEY_METHOD *standard_methods[] = { | |
26 | #ifndef OPENSSL_NO_RSA | |
27 | &rsa_pkey_meth, | |
28 | #endif | |
29 | #ifndef OPENSSL_NO_DH | |
30 | &dh_pkey_meth, | |
31 | #endif | |
32 | #ifndef OPENSSL_NO_DSA | |
33 | &dsa_pkey_meth, | |
34 | #endif | |
35 | #ifndef OPENSSL_NO_EC | |
36 | &ec_pkey_meth, | |
37 | #endif | |
38 | &hmac_pkey_meth, | |
39 | #ifndef OPENSSL_NO_CMAC | |
40 | &cmac_pkey_meth, | |
41 | #endif | |
42 | #ifndef OPENSSL_NO_RSA | |
43 | &rsa_pss_pkey_meth, | |
44 | #endif | |
45 | #ifndef OPENSSL_NO_DH | |
46 | &dhx_pkey_meth, | |
47 | #endif | |
48 | #ifndef OPENSSL_NO_SCRYPT | |
49 | &scrypt_pkey_meth, | |
50 | #endif | |
51 | &tls1_prf_pkey_meth, | |
52 | #ifndef OPENSSL_NO_EC | |
53 | &ecx25519_pkey_meth, | |
54 | &ecx448_pkey_meth, | |
55 | #endif | |
56 | &hkdf_pkey_meth, | |
57 | #ifndef OPENSSL_NO_POLY1305 | |
58 | &poly1305_pkey_meth, | |
59 | #endif | |
60 | #ifndef OPENSSL_NO_SIPHASH | |
61 | &siphash_pkey_meth, | |
62 | #endif | |
63 | #ifndef OPENSSL_NO_EC | |
64 | &ed25519_pkey_meth, | |
65 | &ed448_pkey_meth, | |
66 | #endif | |
67 | #ifndef OPENSSL_NO_SM2 | |
68 | &sm2_pkey_meth, | |
69 | #endif | |
70 | }; | |
71 | ||
72 | DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *, | |
73 | pmeth); | |
74 | ||
75 | static int pmeth_cmp(const EVP_PKEY_METHOD *const *a, | |
76 | const EVP_PKEY_METHOD *const *b) | |
77 | { | |
78 | return ((*a)->pkey_id - (*b)->pkey_id); | |
79 | } | |
80 | ||
81 | IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *, | |
82 | pmeth); | |
83 | ||
84 | const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type) | |
85 | { | |
86 | EVP_PKEY_METHOD tmp; | |
87 | const EVP_PKEY_METHOD *t = &tmp, **ret; | |
88 | tmp.pkey_id = type; | |
89 | if (app_pkey_methods) { | |
90 | int idx; | |
91 | idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp); | |
92 | if (idx >= 0) | |
93 | return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx); | |
94 | } | |
95 | ret = OBJ_bsearch_pmeth(&t, standard_methods, | |
96 | sizeof(standard_methods) / | |
97 | sizeof(EVP_PKEY_METHOD *)); | |
98 | if (!ret || !*ret) | |
99 | return NULL; | |
100 | return *ret; | |
101 | } | |
102 | ||
103 | static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id) | |
104 | { | |
105 | EVP_PKEY_CTX *ret; | |
106 | const EVP_PKEY_METHOD *pmeth; | |
107 | ||
108 | if (id == -1) { | |
109 | id = pkey->type; | |
110 | } | |
111 | #ifndef OPENSSL_NO_ENGINE | |
112 | if (e == NULL && pkey != NULL) | |
113 | e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine; | |
114 | /* Try to find an ENGINE which implements this method */ | |
115 | if (e) { | |
116 | if (!ENGINE_init(e)) { | |
117 | EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB); | |
118 | return NULL; | |
119 | } | |
120 | } else { | |
121 | e = ENGINE_get_pkey_meth_engine(id); | |
122 | } | |
123 | ||
124 | /* | |
125 | * If an ENGINE handled this method look it up. Otherwise use internal | |
126 | * tables. | |
127 | */ | |
128 | if (e) | |
129 | pmeth = ENGINE_get_pkey_meth(e, id); | |
130 | else | |
131 | #endif | |
132 | pmeth = EVP_PKEY_meth_find(id); | |
133 | ||
134 | if (pmeth == NULL) { | |
135 | #ifndef OPENSSL_NO_ENGINE | |
136 | ENGINE_finish(e); | |
137 | #endif | |
138 | EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM); | |
139 | return NULL; | |
140 | } | |
141 | ||
142 | ret = OPENSSL_zalloc(sizeof(*ret)); | |
143 | if (ret == NULL) { | |
144 | #ifndef OPENSSL_NO_ENGINE | |
145 | ENGINE_finish(e); | |
146 | #endif | |
147 | EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE); | |
148 | return NULL; | |
149 | } | |
150 | ret->engine = e; | |
151 | ret->pmeth = pmeth; | |
152 | ret->operation = EVP_PKEY_OP_UNDEFINED; | |
153 | ret->pkey = pkey; | |
154 | if (pkey) | |
155 | EVP_PKEY_up_ref(pkey); | |
156 | ||
157 | if (pmeth->init) { | |
158 | if (pmeth->init(ret) <= 0) { | |
159 | ret->pmeth = NULL; | |
160 | EVP_PKEY_CTX_free(ret); | |
161 | return NULL; | |
162 | } | |
163 | } | |
164 | ||
165 | return ret; | |
166 | } | |
167 | ||
168 | EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags) | |
169 | { | |
170 | EVP_PKEY_METHOD *pmeth; | |
171 | ||
172 | pmeth = OPENSSL_zalloc(sizeof(*pmeth)); | |
173 | if (pmeth == NULL) { | |
174 | EVPerr(EVP_F_EVP_PKEY_METH_NEW, ERR_R_MALLOC_FAILURE); | |
175 | return NULL; | |
176 | } | |
177 | ||
178 | pmeth->pkey_id = id; | |
179 | pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC; | |
180 | return pmeth; | |
181 | } | |
182 | ||
183 | void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags, | |
184 | const EVP_PKEY_METHOD *meth) | |
185 | { | |
186 | if (ppkey_id) | |
187 | *ppkey_id = meth->pkey_id; | |
188 | if (pflags) | |
189 | *pflags = meth->flags; | |
190 | } | |
191 | ||
192 | void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src) | |
193 | { | |
194 | ||
195 | dst->init = src->init; | |
196 | dst->copy = src->copy; | |
197 | dst->cleanup = src->cleanup; | |
198 | ||
199 | dst->paramgen_init = src->paramgen_init; | |
200 | dst->paramgen = src->paramgen; | |
201 | ||
202 | dst->keygen_init = src->keygen_init; | |
203 | dst->keygen = src->keygen; | |
204 | ||
205 | dst->sign_init = src->sign_init; | |
206 | dst->sign = src->sign; | |
207 | ||
208 | dst->verify_init = src->verify_init; | |
209 | dst->verify = src->verify; | |
210 | ||
211 | dst->verify_recover_init = src->verify_recover_init; | |
212 | dst->verify_recover = src->verify_recover; | |
213 | ||
214 | dst->signctx_init = src->signctx_init; | |
215 | dst->signctx = src->signctx; | |
216 | ||
217 | dst->verifyctx_init = src->verifyctx_init; | |
218 | dst->verifyctx = src->verifyctx; | |
219 | ||
220 | dst->encrypt_init = src->encrypt_init; | |
221 | dst->encrypt = src->encrypt; | |
222 | ||
223 | dst->decrypt_init = src->decrypt_init; | |
224 | dst->decrypt = src->decrypt; | |
225 | ||
226 | dst->derive_init = src->derive_init; | |
227 | dst->derive = src->derive; | |
228 | ||
229 | dst->ctrl = src->ctrl; | |
230 | dst->ctrl_str = src->ctrl_str; | |
231 | ||
232 | dst->check = src->check; | |
233 | } | |
234 | ||
235 | void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth) | |
236 | { | |
237 | if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC)) | |
238 | OPENSSL_free(pmeth); | |
239 | } | |
240 | ||
241 | EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e) | |
242 | { | |
243 | return int_ctx_new(pkey, e, -1); | |
244 | } | |
245 | ||
246 | EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e) | |
247 | { | |
248 | return int_ctx_new(NULL, e, id); | |
249 | } | |
250 | ||
251 | EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx) | |
252 | { | |
253 | EVP_PKEY_CTX *rctx; | |
254 | if (!pctx->pmeth || !pctx->pmeth->copy) | |
255 | return NULL; | |
256 | #ifndef OPENSSL_NO_ENGINE | |
257 | /* Make sure it's safe to copy a pkey context using an ENGINE */ | |
258 | if (pctx->engine && !ENGINE_init(pctx->engine)) { | |
259 | EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB); | |
260 | return 0; | |
261 | } | |
262 | #endif | |
263 | rctx = OPENSSL_malloc(sizeof(*rctx)); | |
264 | if (rctx == NULL) { | |
265 | EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_MALLOC_FAILURE); | |
266 | return NULL; | |
267 | } | |
268 | ||
269 | rctx->pmeth = pctx->pmeth; | |
270 | #ifndef OPENSSL_NO_ENGINE | |
271 | rctx->engine = pctx->engine; | |
272 | #endif | |
273 | ||
274 | if (pctx->pkey) | |
275 | EVP_PKEY_up_ref(pctx->pkey); | |
276 | ||
277 | rctx->pkey = pctx->pkey; | |
278 | ||
279 | if (pctx->peerkey) | |
280 | EVP_PKEY_up_ref(pctx->peerkey); | |
281 | ||
282 | rctx->peerkey = pctx->peerkey; | |
283 | ||
284 | rctx->data = NULL; | |
285 | rctx->app_data = NULL; | |
286 | rctx->operation = pctx->operation; | |
287 | ||
288 | if (pctx->pmeth->copy(rctx, pctx) > 0) | |
289 | return rctx; | |
290 | ||
291 | rctx->pmeth = NULL; | |
292 | EVP_PKEY_CTX_free(rctx); | |
293 | return NULL; | |
294 | ||
295 | } | |
296 | ||
297 | int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth) | |
298 | { | |
299 | if (app_pkey_methods == NULL) { | |
300 | app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp); | |
301 | if (app_pkey_methods == NULL){ | |
302 | EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE); | |
303 | return 0; | |
304 | } | |
305 | } | |
306 | if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) { | |
307 | EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE); | |
308 | return 0; | |
309 | } | |
310 | sk_EVP_PKEY_METHOD_sort(app_pkey_methods); | |
311 | return 1; | |
312 | } | |
313 | ||
314 | void evp_app_cleanup_int(void) | |
315 | { | |
316 | if (app_pkey_methods != NULL) | |
317 | sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free); | |
318 | } | |
319 | ||
320 | int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth) | |
321 | { | |
322 | const EVP_PKEY_METHOD *ret; | |
323 | ||
324 | ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth); | |
325 | ||
326 | return ret == NULL ? 0 : 1; | |
327 | } | |
328 | ||
329 | size_t EVP_PKEY_meth_get_count(void) | |
330 | { | |
331 | size_t rv = OSSL_NELEM(standard_methods); | |
332 | ||
333 | if (app_pkey_methods) | |
334 | rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods); | |
335 | return rv; | |
336 | } | |
337 | ||
338 | const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx) | |
339 | { | |
340 | if (idx < OSSL_NELEM(standard_methods)) | |
341 | return standard_methods[idx]; | |
342 | if (app_pkey_methods == NULL) | |
343 | return NULL; | |
344 | idx -= OSSL_NELEM(standard_methods); | |
345 | if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods)) | |
346 | return NULL; | |
347 | return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx); | |
348 | } | |
349 | ||
350 | void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx) | |
351 | { | |
352 | if (ctx == NULL) | |
353 | return; | |
354 | if (ctx->pmeth && ctx->pmeth->cleanup) | |
355 | ctx->pmeth->cleanup(ctx); | |
356 | EVP_PKEY_free(ctx->pkey); | |
357 | EVP_PKEY_free(ctx->peerkey); | |
358 | #ifndef OPENSSL_NO_ENGINE | |
359 | ENGINE_finish(ctx->engine); | |
360 | #endif | |
361 | OPENSSL_free(ctx); | |
362 | } | |
363 | ||
364 | int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, | |
365 | int cmd, int p1, void *p2) | |
366 | { | |
367 | int ret; | |
368 | if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) { | |
369 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED); | |
370 | return -2; | |
371 | } | |
372 | if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype)) | |
373 | return -1; | |
374 | ||
375 | if (ctx->operation == EVP_PKEY_OP_UNDEFINED) { | |
376 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET); | |
377 | return -1; | |
378 | } | |
379 | ||
380 | if ((optype != -1) && !(ctx->operation & optype)) { | |
381 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION); | |
382 | return -1; | |
383 | } | |
384 | ||
385 | ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2); | |
386 | ||
387 | if (ret == -2) | |
388 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED); | |
389 | ||
390 | return ret; | |
391 | ||
392 | } | |
393 | ||
394 | int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype, | |
395 | int cmd, uint64_t value) | |
396 | { | |
397 | return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value); | |
398 | } | |
399 | ||
400 | int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, | |
401 | const char *name, const char *value) | |
402 | { | |
403 | if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) { | |
404 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED); | |
405 | return -2; | |
406 | } | |
407 | if (strcmp(name, "digest") == 0) | |
408 | return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD, | |
409 | value); | |
410 | return ctx->pmeth->ctrl_str(ctx, name, value); | |
411 | } | |
412 | ||
413 | /* Utility functions to send a string of hex string to a ctrl */ | |
414 | ||
415 | int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str) | |
416 | { | |
417 | size_t len; | |
418 | ||
419 | len = strlen(str); | |
420 | if (len > INT_MAX) | |
421 | return -1; | |
422 | return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str); | |
423 | } | |
424 | ||
425 | int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex) | |
426 | { | |
427 | unsigned char *bin; | |
428 | long binlen; | |
429 | int rv = -1; | |
430 | ||
431 | bin = OPENSSL_hexstr2buf(hex, &binlen); | |
432 | if (bin == NULL) | |
433 | return 0; | |
434 | if (binlen <= INT_MAX) | |
435 | rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin); | |
436 | OPENSSL_free(bin); | |
437 | return rv; | |
438 | } | |
439 | ||
440 | /* Pass a message digest to a ctrl */ | |
441 | int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md) | |
442 | { | |
443 | const EVP_MD *m; | |
444 | ||
445 | if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) { | |
446 | EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST); | |
447 | return 0; | |
448 | } | |
449 | return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m); | |
450 | } | |
451 | ||
452 | int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx) | |
453 | { | |
454 | return ctx->operation; | |
455 | } | |
456 | ||
457 | void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen) | |
458 | { | |
459 | ctx->keygen_info = dat; | |
460 | ctx->keygen_info_count = datlen; | |
461 | } | |
462 | ||
463 | void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data) | |
464 | { | |
465 | ctx->data = data; | |
466 | } | |
467 | ||
468 | void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx) | |
469 | { | |
470 | return ctx->data; | |
471 | } | |
472 | ||
473 | EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx) | |
474 | { | |
475 | return ctx->pkey; | |
476 | } | |
477 | ||
478 | EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx) | |
479 | { | |
480 | return ctx->peerkey; | |
481 | } | |
482 | ||
483 | void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data) | |
484 | { | |
485 | ctx->app_data = data; | |
486 | } | |
487 | ||
488 | void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx) | |
489 | { | |
490 | return ctx->app_data; | |
491 | } | |
492 | ||
493 | void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth, | |
494 | int (*init) (EVP_PKEY_CTX *ctx)) | |
495 | { | |
496 | pmeth->init = init; | |
497 | } | |
498 | ||
499 | void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth, | |
500 | int (*copy) (EVP_PKEY_CTX *dst, | |
501 | EVP_PKEY_CTX *src)) | |
502 | { | |
503 | pmeth->copy = copy; | |
504 | } | |
505 | ||
506 | void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth, | |
507 | void (*cleanup) (EVP_PKEY_CTX *ctx)) | |
508 | { | |
509 | pmeth->cleanup = cleanup; | |
510 | } | |
511 | ||
512 | void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth, | |
513 | int (*paramgen_init) (EVP_PKEY_CTX *ctx), | |
514 | int (*paramgen) (EVP_PKEY_CTX *ctx, | |
515 | EVP_PKEY *pkey)) | |
516 | { | |
517 | pmeth->paramgen_init = paramgen_init; | |
518 | pmeth->paramgen = paramgen; | |
519 | } | |
520 | ||
521 | void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth, | |
522 | int (*keygen_init) (EVP_PKEY_CTX *ctx), | |
523 | int (*keygen) (EVP_PKEY_CTX *ctx, | |
524 | EVP_PKEY *pkey)) | |
525 | { | |
526 | pmeth->keygen_init = keygen_init; | |
527 | pmeth->keygen = keygen; | |
528 | } | |
529 | ||
530 | void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth, | |
531 | int (*sign_init) (EVP_PKEY_CTX *ctx), | |
532 | int (*sign) (EVP_PKEY_CTX *ctx, | |
533 | unsigned char *sig, size_t *siglen, | |
534 | const unsigned char *tbs, | |
535 | size_t tbslen)) | |
536 | { | |
537 | pmeth->sign_init = sign_init; | |
538 | pmeth->sign = sign; | |
539 | } | |
540 | ||
541 | void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth, | |
542 | int (*verify_init) (EVP_PKEY_CTX *ctx), | |
543 | int (*verify) (EVP_PKEY_CTX *ctx, | |
544 | const unsigned char *sig, | |
545 | size_t siglen, | |
546 | const unsigned char *tbs, | |
547 | size_t tbslen)) | |
548 | { | |
549 | pmeth->verify_init = verify_init; | |
550 | pmeth->verify = verify; | |
551 | } | |
552 | ||
553 | void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth, | |
554 | int (*verify_recover_init) (EVP_PKEY_CTX | |
555 | *ctx), | |
556 | int (*verify_recover) (EVP_PKEY_CTX | |
557 | *ctx, | |
558 | unsigned char | |
559 | *sig, | |
560 | size_t *siglen, | |
561 | const unsigned | |
562 | char *tbs, | |
563 | size_t tbslen)) | |
564 | { | |
565 | pmeth->verify_recover_init = verify_recover_init; | |
566 | pmeth->verify_recover = verify_recover; | |
567 | } | |
568 | ||
569 | void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth, | |
570 | int (*signctx_init) (EVP_PKEY_CTX *ctx, | |
571 | EVP_MD_CTX *mctx), | |
572 | int (*signctx) (EVP_PKEY_CTX *ctx, | |
573 | unsigned char *sig, | |
574 | size_t *siglen, | |
575 | EVP_MD_CTX *mctx)) | |
576 | { | |
577 | pmeth->signctx_init = signctx_init; | |
578 | pmeth->signctx = signctx; | |
579 | } | |
580 | ||
581 | void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth, | |
582 | int (*verifyctx_init) (EVP_PKEY_CTX *ctx, | |
583 | EVP_MD_CTX *mctx), | |
584 | int (*verifyctx) (EVP_PKEY_CTX *ctx, | |
585 | const unsigned char *sig, | |
586 | int siglen, | |
587 | EVP_MD_CTX *mctx)) | |
588 | { | |
589 | pmeth->verifyctx_init = verifyctx_init; | |
590 | pmeth->verifyctx = verifyctx; | |
591 | } | |
592 | ||
593 | void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth, | |
594 | int (*encrypt_init) (EVP_PKEY_CTX *ctx), | |
595 | int (*encryptfn) (EVP_PKEY_CTX *ctx, | |
596 | unsigned char *out, | |
597 | size_t *outlen, | |
598 | const unsigned char *in, | |
599 | size_t inlen)) | |
600 | { | |
601 | pmeth->encrypt_init = encrypt_init; | |
602 | pmeth->encrypt = encryptfn; | |
603 | } | |
604 | ||
605 | void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth, | |
606 | int (*decrypt_init) (EVP_PKEY_CTX *ctx), | |
607 | int (*decrypt) (EVP_PKEY_CTX *ctx, | |
608 | unsigned char *out, | |
609 | size_t *outlen, | |
610 | const unsigned char *in, | |
611 | size_t inlen)) | |
612 | { | |
613 | pmeth->decrypt_init = decrypt_init; | |
614 | pmeth->decrypt = decrypt; | |
615 | } | |
616 | ||
617 | void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth, | |
618 | int (*derive_init) (EVP_PKEY_CTX *ctx), | |
619 | int (*derive) (EVP_PKEY_CTX *ctx, | |
620 | unsigned char *key, | |
621 | size_t *keylen)) | |
622 | { | |
623 | pmeth->derive_init = derive_init; | |
624 | pmeth->derive = derive; | |
625 | } | |
626 | ||
627 | void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth, | |
628 | int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, | |
629 | void *p2), | |
630 | int (*ctrl_str) (EVP_PKEY_CTX *ctx, | |
631 | const char *type, | |
632 | const char *value)) | |
633 | { | |
634 | pmeth->ctrl = ctrl; | |
635 | pmeth->ctrl_str = ctrl_str; | |
636 | } | |
637 | ||
638 | void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth, | |
639 | int (*check) (EVP_PKEY *pkey)) | |
640 | { | |
641 | pmeth->check = check; | |
642 | } | |
643 | ||
644 | void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth, | |
645 | int (*check) (EVP_PKEY *pkey)) | |
646 | { | |
647 | pmeth->public_check = check; | |
648 | } | |
649 | ||
650 | void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth, | |
651 | int (*check) (EVP_PKEY *pkey)) | |
652 | { | |
653 | pmeth->param_check = check; | |
654 | } | |
655 | ||
656 | void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth, | |
657 | int (**pinit) (EVP_PKEY_CTX *ctx)) | |
658 | { | |
659 | *pinit = pmeth->init; | |
660 | } | |
661 | ||
662 | void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth, | |
663 | int (**pcopy) (EVP_PKEY_CTX *dst, | |
664 | EVP_PKEY_CTX *src)) | |
665 | { | |
666 | *pcopy = pmeth->copy; | |
667 | } | |
668 | ||
669 | void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth, | |
670 | void (**pcleanup) (EVP_PKEY_CTX *ctx)) | |
671 | { | |
672 | *pcleanup = pmeth->cleanup; | |
673 | } | |
674 | ||
675 | void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth, | |
676 | int (**pparamgen_init) (EVP_PKEY_CTX *ctx), | |
677 | int (**pparamgen) (EVP_PKEY_CTX *ctx, | |
678 | EVP_PKEY *pkey)) | |
679 | { | |
680 | if (pparamgen_init) | |
681 | *pparamgen_init = pmeth->paramgen_init; | |
682 | if (pparamgen) | |
683 | *pparamgen = pmeth->paramgen; | |
684 | } | |
685 | ||
686 | void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth, | |
687 | int (**pkeygen_init) (EVP_PKEY_CTX *ctx), | |
688 | int (**pkeygen) (EVP_PKEY_CTX *ctx, | |
689 | EVP_PKEY *pkey)) | |
690 | { | |
691 | if (pkeygen_init) | |
692 | *pkeygen_init = pmeth->keygen_init; | |
693 | if (pkeygen) | |
694 | *pkeygen = pmeth->keygen; | |
695 | } | |
696 | ||
697 | void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth, | |
698 | int (**psign_init) (EVP_PKEY_CTX *ctx), | |
699 | int (**psign) (EVP_PKEY_CTX *ctx, | |
700 | unsigned char *sig, size_t *siglen, | |
701 | const unsigned char *tbs, | |
702 | size_t tbslen)) | |
703 | { | |
704 | if (psign_init) | |
705 | *psign_init = pmeth->sign_init; | |
706 | if (psign) | |
707 | *psign = pmeth->sign; | |
708 | } | |
709 | ||
710 | void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth, | |
711 | int (**pverify_init) (EVP_PKEY_CTX *ctx), | |
712 | int (**pverify) (EVP_PKEY_CTX *ctx, | |
713 | const unsigned char *sig, | |
714 | size_t siglen, | |
715 | const unsigned char *tbs, | |
716 | size_t tbslen)) | |
717 | { | |
718 | if (pverify_init) | |
719 | *pverify_init = pmeth->verify_init; | |
720 | if (pverify) | |
721 | *pverify = pmeth->verify; | |
722 | } | |
723 | ||
724 | void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth, | |
725 | int (**pverify_recover_init) (EVP_PKEY_CTX | |
726 | *ctx), | |
727 | int (**pverify_recover) (EVP_PKEY_CTX | |
728 | *ctx, | |
729 | unsigned char | |
730 | *sig, | |
731 | size_t *siglen, | |
732 | const unsigned | |
733 | char *tbs, | |
734 | size_t tbslen)) | |
735 | { | |
736 | if (pverify_recover_init) | |
737 | *pverify_recover_init = pmeth->verify_recover_init; | |
738 | if (pverify_recover) | |
739 | *pverify_recover = pmeth->verify_recover; | |
740 | } | |
741 | ||
742 | void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth, | |
743 | int (**psignctx_init) (EVP_PKEY_CTX *ctx, | |
744 | EVP_MD_CTX *mctx), | |
745 | int (**psignctx) (EVP_PKEY_CTX *ctx, | |
746 | unsigned char *sig, | |
747 | size_t *siglen, | |
748 | EVP_MD_CTX *mctx)) | |
749 | { | |
750 | if (psignctx_init) | |
751 | *psignctx_init = pmeth->signctx_init; | |
752 | if (psignctx) | |
753 | *psignctx = pmeth->signctx; | |
754 | } | |
755 | ||
756 | void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth, | |
757 | int (**pverifyctx_init) (EVP_PKEY_CTX *ctx, | |
758 | EVP_MD_CTX *mctx), | |
759 | int (**pverifyctx) (EVP_PKEY_CTX *ctx, | |
760 | const unsigned char *sig, | |
761 | int siglen, | |
762 | EVP_MD_CTX *mctx)) | |
763 | { | |
764 | if (pverifyctx_init) | |
765 | *pverifyctx_init = pmeth->verifyctx_init; | |
766 | if (pverifyctx) | |
767 | *pverifyctx = pmeth->verifyctx; | |
768 | } | |
769 | ||
770 | void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth, | |
771 | int (**pencrypt_init) (EVP_PKEY_CTX *ctx), | |
772 | int (**pencryptfn) (EVP_PKEY_CTX *ctx, | |
773 | unsigned char *out, | |
774 | size_t *outlen, | |
775 | const unsigned char *in, | |
776 | size_t inlen)) | |
777 | { | |
778 | if (pencrypt_init) | |
779 | *pencrypt_init = pmeth->encrypt_init; | |
780 | if (pencryptfn) | |
781 | *pencryptfn = pmeth->encrypt; | |
782 | } | |
783 | ||
784 | void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth, | |
785 | int (**pdecrypt_init) (EVP_PKEY_CTX *ctx), | |
786 | int (**pdecrypt) (EVP_PKEY_CTX *ctx, | |
787 | unsigned char *out, | |
788 | size_t *outlen, | |
789 | const unsigned char *in, | |
790 | size_t inlen)) | |
791 | { | |
792 | if (pdecrypt_init) | |
793 | *pdecrypt_init = pmeth->decrypt_init; | |
794 | if (pdecrypt) | |
795 | *pdecrypt = pmeth->decrypt; | |
796 | } | |
797 | ||
798 | void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth, | |
799 | int (**pderive_init) (EVP_PKEY_CTX *ctx), | |
800 | int (**pderive) (EVP_PKEY_CTX *ctx, | |
801 | unsigned char *key, | |
802 | size_t *keylen)) | |
803 | { | |
804 | if (pderive_init) | |
805 | *pderive_init = pmeth->derive_init; | |
806 | if (pderive) | |
807 | *pderive = pmeth->derive; | |
808 | } | |
809 | ||
810 | void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth, | |
811 | int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1, | |
812 | void *p2), | |
813 | int (**pctrl_str) (EVP_PKEY_CTX *ctx, | |
814 | const char *type, | |
815 | const char *value)) | |
816 | { | |
817 | if (pctrl) | |
818 | *pctrl = pmeth->ctrl; | |
819 | if (pctrl_str) | |
820 | *pctrl_str = pmeth->ctrl_str; | |
821 | } | |
822 | ||
823 | void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth, | |
824 | int (**pcheck) (EVP_PKEY *pkey)) | |
825 | { | |
826 | if (*pcheck) | |
827 | *pcheck = pmeth->check; | |
828 | } | |
829 | ||
830 | void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth, | |
831 | int (**pcheck) (EVP_PKEY *pkey)) | |
832 | { | |
833 | if (*pcheck) | |
834 | *pcheck = pmeth->public_check; | |
835 | } | |
836 | ||
837 | void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth, | |
838 | int (**pcheck) (EVP_PKEY *pkey)) | |
839 | { | |
840 | if (*pcheck) | |
841 | *pcheck = pmeth->param_check; | |
842 | } |