3 * Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
5 * Licensed under the Apache License 2.0 (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
13 #include <openssl/engine.h>
14 #include <openssl/evp.h>
15 #include <openssl/x509v3.h>
16 #include <openssl/core_names.h>
17 #include <openssl/dh.h>
18 #include "internal/cryptlib.h"
19 #include "internal/asn1_int.h"
20 #include "internal/evp_int.h"
21 #include "internal/numbers.h"
22 #include "internal/provider.h"
25 typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
27 static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
29 /* This array needs to be in order of NIDs */
30 static const EVP_PKEY_METHOD *standard_methods[] = {
31 #ifndef OPENSSL_NO_RSA
37 #ifndef OPENSSL_NO_DSA
44 #ifndef OPENSSL_NO_CMAC
47 #ifndef OPENSSL_NO_RSA
53 #ifndef OPENSSL_NO_SCRYPT
62 #ifndef OPENSSL_NO_POLY1305
65 #ifndef OPENSSL_NO_SIPHASH
72 #ifndef OPENSSL_NO_SM2
77 DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
80 static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
81 const EVP_PKEY_METHOD *const *b)
83 return ((*a)->pkey_id - (*b)->pkey_id);
86 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
89 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
92 const EVP_PKEY_METHOD *t = &tmp, **ret;
94 if (app_pkey_methods) {
96 idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
98 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
100 ret = OBJ_bsearch_pmeth(&t, standard_methods,
101 sizeof(standard_methods) /
102 sizeof(EVP_PKEY_METHOD *));
108 static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
111 const EVP_PKEY_METHOD *pmeth = NULL;
114 * When using providers, the context is bound to the algo implementation
117 if (pkey == NULL && e == NULL && id == -1)
120 /* TODO(3.0) Legacy code should be removed when all is provider based */
127 #ifndef OPENSSL_NO_ENGINE
128 if (e == NULL && pkey != NULL)
129 e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
130 /* Try to find an ENGINE which implements this method */
132 if (!ENGINE_init(e)) {
133 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
137 e = ENGINE_get_pkey_meth_engine(id);
141 * If an ENGINE handled this method look it up. Otherwise use internal
145 pmeth = ENGINE_get_pkey_meth(e, id);
148 pmeth = EVP_PKEY_meth_find(id);
151 #ifndef OPENSSL_NO_ENGINE
154 EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
160 ret = OPENSSL_zalloc(sizeof(*ret));
162 #ifndef OPENSSL_NO_ENGINE
165 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
170 ret->operation = EVP_PKEY_OP_UNDEFINED;
173 EVP_PKEY_up_ref(pkey);
175 if (pmeth != NULL && pmeth->init != NULL) {
176 if (pmeth->init(ret) <= 0) {
178 EVP_PKEY_CTX_free(ret);
186 void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx)
188 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
189 if (ctx->op.kex.exchprovctx != NULL && ctx->op.kex.exchange != NULL)
190 ctx->op.kex.exchange->freectx(ctx->op.kex.exchprovctx);
191 EVP_KEYEXCH_free(ctx->op.kex.exchange);
192 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
193 if (ctx->op.sig.sigprovctx != NULL && ctx->op.sig.signature != NULL)
194 ctx->op.sig.signature->freectx(ctx->op.sig.sigprovctx);
195 EVP_SIGNATURE_free(ctx->op.sig.signature);
199 EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
201 EVP_PKEY_METHOD *pmeth;
203 pmeth = OPENSSL_zalloc(sizeof(*pmeth));
205 EVPerr(EVP_F_EVP_PKEY_METH_NEW, ERR_R_MALLOC_FAILURE);
210 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
214 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
215 const EVP_PKEY_METHOD *meth)
218 *ppkey_id = meth->pkey_id;
220 *pflags = meth->flags;
223 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
226 dst->init = src->init;
227 dst->copy = src->copy;
228 dst->cleanup = src->cleanup;
230 dst->paramgen_init = src->paramgen_init;
231 dst->paramgen = src->paramgen;
233 dst->keygen_init = src->keygen_init;
234 dst->keygen = src->keygen;
236 dst->sign_init = src->sign_init;
237 dst->sign = src->sign;
239 dst->verify_init = src->verify_init;
240 dst->verify = src->verify;
242 dst->verify_recover_init = src->verify_recover_init;
243 dst->verify_recover = src->verify_recover;
245 dst->signctx_init = src->signctx_init;
246 dst->signctx = src->signctx;
248 dst->verifyctx_init = src->verifyctx_init;
249 dst->verifyctx = src->verifyctx;
251 dst->encrypt_init = src->encrypt_init;
252 dst->encrypt = src->encrypt;
254 dst->decrypt_init = src->decrypt_init;
255 dst->decrypt = src->decrypt;
257 dst->derive_init = src->derive_init;
258 dst->derive = src->derive;
260 dst->ctrl = src->ctrl;
261 dst->ctrl_str = src->ctrl_str;
263 dst->check = src->check;
266 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
268 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
272 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
274 return int_ctx_new(pkey, e, -1);
277 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
279 return int_ctx_new(NULL, e, id);
282 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx)
286 if (((pctx->pmeth == NULL) || (pctx->pmeth->copy == NULL))
287 && ((EVP_PKEY_CTX_IS_DERIVE_OP(pctx)
288 && pctx->op.kex.exchprovctx == NULL)
289 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)
290 && pctx->op.sig.sigprovctx == NULL)))
292 #ifndef OPENSSL_NO_ENGINE
293 /* Make sure it's safe to copy a pkey context using an ENGINE */
294 if (pctx->engine && !ENGINE_init(pctx->engine)) {
295 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
299 rctx = OPENSSL_zalloc(sizeof(*rctx));
301 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_MALLOC_FAILURE);
305 if (pctx->pkey != NULL)
306 EVP_PKEY_up_ref(pctx->pkey);
307 rctx->pkey = pctx->pkey;
308 rctx->operation = pctx->operation;
310 if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx)) {
311 if (pctx->op.kex.exchange != NULL) {
312 rctx->op.kex.exchange = pctx->op.kex.exchange;
313 if (!EVP_KEYEXCH_up_ref(rctx->op.kex.exchange)) {
318 if (pctx->op.kex.exchprovctx != NULL) {
319 if (!ossl_assert(pctx->op.kex.exchange != NULL))
321 rctx->op.kex.exchprovctx
322 = pctx->op.kex.exchange->dupctx(pctx->op.kex.exchprovctx);
323 if (rctx->op.kex.exchprovctx == NULL) {
324 EVP_KEYEXCH_free(rctx->op.kex.exchange);
330 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)) {
331 if (pctx->op.sig.signature != NULL) {
332 rctx->op.sig.signature = pctx->op.sig.signature;
333 if (!EVP_SIGNATURE_up_ref(rctx->op.sig.signature)) {
338 if (pctx->op.sig.sigprovctx != NULL) {
339 if (!ossl_assert(pctx->op.sig.signature != NULL))
341 rctx->op.sig.sigprovctx
342 = pctx->op.sig.signature->dupctx(pctx->op.sig.sigprovctx);
343 if (rctx->op.sig.sigprovctx == NULL) {
344 EVP_SIGNATURE_free(rctx->op.sig.signature);
352 rctx->pmeth = pctx->pmeth;
353 #ifndef OPENSSL_NO_ENGINE
354 rctx->engine = pctx->engine;
358 EVP_PKEY_up_ref(pctx->peerkey);
359 rctx->peerkey = pctx->peerkey;
361 if (pctx->pmeth->copy(rctx, pctx) > 0)
365 EVP_PKEY_CTX_free(rctx);
370 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
372 if (app_pkey_methods == NULL) {
373 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
374 if (app_pkey_methods == NULL){
375 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
379 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) {
380 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
383 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
387 void evp_app_cleanup_int(void)
389 if (app_pkey_methods != NULL)
390 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
393 int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
395 const EVP_PKEY_METHOD *ret;
397 ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
399 return ret == NULL ? 0 : 1;
402 size_t EVP_PKEY_meth_get_count(void)
404 size_t rv = OSSL_NELEM(standard_methods);
406 if (app_pkey_methods)
407 rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
411 const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
413 if (idx < OSSL_NELEM(standard_methods))
414 return standard_methods[idx];
415 if (app_pkey_methods == NULL)
417 idx -= OSSL_NELEM(standard_methods);
418 if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
420 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
423 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
427 if (ctx->pmeth && ctx->pmeth->cleanup)
428 ctx->pmeth->cleanup(ctx);
430 evp_pkey_ctx_free_old_ops(ctx);
432 EVP_PKEY_free(ctx->pkey);
433 EVP_PKEY_free(ctx->peerkey);
434 #ifndef OPENSSL_NO_ENGINE
435 ENGINE_finish(ctx->engine);
440 int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
442 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
443 && ctx->op.sig.sigprovctx != NULL
444 && ctx->op.sig.signature != NULL
445 && ctx->op.sig.signature->get_ctx_params != NULL)
446 return ctx->op.sig.signature->get_ctx_params(ctx->op.sig.sigprovctx,
451 const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx)
453 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
454 && ctx->op.sig.signature != NULL
455 && ctx->op.sig.signature->gettable_ctx_params != NULL)
456 return ctx->op.sig.signature->gettable_ctx_params();
461 int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
463 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
464 && ctx->op.kex.exchprovctx != NULL
465 && ctx->op.kex.exchange != NULL
466 && ctx->op.kex.exchange->set_ctx_params != NULL)
467 return ctx->op.kex.exchange->set_ctx_params(ctx->op.kex.exchprovctx,
469 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
470 && ctx->op.sig.sigprovctx != NULL
471 && ctx->op.sig.signature != NULL
472 && ctx->op.sig.signature->set_ctx_params != NULL)
473 return ctx->op.sig.signature->set_ctx_params(ctx->op.sig.sigprovctx,
478 const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx)
480 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
481 && ctx->op.kex.exchange != NULL
482 && ctx->op.kex.exchange->settable_ctx_params != NULL)
483 return ctx->op.kex.exchange->settable_ctx_params();
484 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
485 && ctx->op.sig.signature != NULL
486 && ctx->op.sig.signature->settable_ctx_params != NULL)
487 return ctx->op.sig.signature->settable_ctx_params();
492 #ifndef OPENSSL_NO_DH
493 int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX *ctx, int pad)
495 OSSL_PARAM dh_pad_params[2];
496 unsigned int upad = pad;
498 /* We use EVP_PKEY_CTX_ctrl return values */
499 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
500 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
504 /* TODO(3.0): Remove this eventually when no more legacy */
505 if (ctx->op.kex.exchprovctx == NULL)
506 return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_DERIVE,
507 EVP_PKEY_CTRL_DH_PAD, pad, NULL);
509 dh_pad_params[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD, &upad);
510 dh_pad_params[1] = OSSL_PARAM_construct_end();
512 return EVP_PKEY_CTX_set_params(ctx, dh_pad_params);
516 int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md)
518 OSSL_PARAM sig_md_params[3], *p = sig_md_params;
519 /* 80 should be big enough */
523 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
524 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
525 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
529 /* TODO(3.0): Remove this eventually when no more legacy */
530 if (ctx->op.sig.sigprovctx == NULL)
531 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
532 EVP_PKEY_CTRL_GET_MD, 0, (void *)(md));
534 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
537 *p++ = OSSL_PARAM_construct_end();
539 if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params))
542 tmp = EVP_get_digestbyname(name);
551 int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
553 OSSL_PARAM sig_md_params[3], *p = sig_md_params;
557 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
558 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
559 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
563 /* TODO(3.0): Remove this eventually when no more legacy */
564 if (ctx->op.sig.sigprovctx == NULL)
565 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
566 EVP_PKEY_CTRL_MD, 0, (void *)(md));
572 mdsize = EVP_MD_size(md);
573 name = EVP_MD_name(md);
576 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
578 * Cast away the const. This is read
579 * only so should be safe
583 *p++ = OSSL_PARAM_construct_size_t(OSSL_SIGNATURE_PARAM_DIGEST_SIZE,
585 *p++ = OSSL_PARAM_construct_end();
587 return EVP_PKEY_CTX_set_params(ctx, sig_md_params);
590 static int legacy_ctrl_to_param(EVP_PKEY_CTX *ctx, int keytype, int optype,
591 int cmd, int p1, void *p2)
594 #ifndef OPENSSL_NO_DH
595 case EVP_PKEY_CTRL_DH_PAD:
596 return EVP_PKEY_CTX_set_dh_pad(ctx, p1);
598 case EVP_PKEY_CTRL_MD:
599 return EVP_PKEY_CTX_set_signature_md(ctx, p2);
600 case EVP_PKEY_CTRL_GET_MD:
601 return EVP_PKEY_CTX_get_signature_md(ctx, p2);
606 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
607 int cmd, int p1, void *p2)
612 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
616 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
617 || (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
618 && ctx->op.sig.sigprovctx != NULL))
619 return legacy_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2);
621 if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) {
622 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
625 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
628 /* Skip the operation checks since this is called in a very early stage */
629 if (ctx->pmeth->digest_custom != NULL)
632 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
633 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
637 if ((optype != -1) && !(ctx->operation & optype)) {
638 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
643 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
646 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
651 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
652 int cmd, uint64_t value)
654 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
657 static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name,
660 #ifndef OPENSSL_NO_DH
661 if (strcmp(name, "dh_pad") == 0) {
665 return EVP_PKEY_CTX_set_dh_pad(ctx, pad);
668 if (strcmp(name, "digest") == 0) {
672 if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) || ctx->op.sig.signature == NULL)
674 md = EVP_MD_fetch(ossl_provider_library_context(ctx->op.sig.signature->prov),
678 ret = EVP_PKEY_CTX_set_signature_md(ctx, md);
679 EVP_MD_meth_free(md);
686 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
687 const char *name, const char *value)
690 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
694 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
695 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
696 && ctx->op.sig.sigprovctx != NULL))
697 return legacy_ctrl_str_to_param(ctx, name, value);
699 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
700 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
703 if (strcmp(name, "digest") == 0)
704 return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD,
706 return ctx->pmeth->ctrl_str(ctx, name, value);
709 /* Utility functions to send a string of hex string to a ctrl */
711 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
718 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
721 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
727 bin = OPENSSL_hexstr2buf(hex, &binlen);
730 if (binlen <= INT_MAX)
731 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
736 /* Pass a message digest to a ctrl */
737 int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
741 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
742 EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST);
745 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
748 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
750 return ctx->operation;
753 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
755 ctx->keygen_info = dat;
756 ctx->keygen_info_count = datlen;
759 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
764 void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx)
769 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
774 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
779 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
781 ctx->app_data = data;
784 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
786 return ctx->app_data;
789 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
790 int (*init) (EVP_PKEY_CTX *ctx))
795 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
796 int (*copy) (EVP_PKEY_CTX *dst,
797 const EVP_PKEY_CTX *src))
802 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
803 void (*cleanup) (EVP_PKEY_CTX *ctx))
805 pmeth->cleanup = cleanup;
808 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
809 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
810 int (*paramgen) (EVP_PKEY_CTX *ctx,
813 pmeth->paramgen_init = paramgen_init;
814 pmeth->paramgen = paramgen;
817 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
818 int (*keygen_init) (EVP_PKEY_CTX *ctx),
819 int (*keygen) (EVP_PKEY_CTX *ctx,
822 pmeth->keygen_init = keygen_init;
823 pmeth->keygen = keygen;
826 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
827 int (*sign_init) (EVP_PKEY_CTX *ctx),
828 int (*sign) (EVP_PKEY_CTX *ctx,
829 unsigned char *sig, size_t *siglen,
830 const unsigned char *tbs,
833 pmeth->sign_init = sign_init;
837 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
838 int (*verify_init) (EVP_PKEY_CTX *ctx),
839 int (*verify) (EVP_PKEY_CTX *ctx,
840 const unsigned char *sig,
842 const unsigned char *tbs,
845 pmeth->verify_init = verify_init;
846 pmeth->verify = verify;
849 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
850 int (*verify_recover_init) (EVP_PKEY_CTX
852 int (*verify_recover) (EVP_PKEY_CTX
861 pmeth->verify_recover_init = verify_recover_init;
862 pmeth->verify_recover = verify_recover;
865 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
866 int (*signctx_init) (EVP_PKEY_CTX *ctx,
868 int (*signctx) (EVP_PKEY_CTX *ctx,
873 pmeth->signctx_init = signctx_init;
874 pmeth->signctx = signctx;
877 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
878 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
880 int (*verifyctx) (EVP_PKEY_CTX *ctx,
881 const unsigned char *sig,
885 pmeth->verifyctx_init = verifyctx_init;
886 pmeth->verifyctx = verifyctx;
889 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
890 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
891 int (*encryptfn) (EVP_PKEY_CTX *ctx,
894 const unsigned char *in,
897 pmeth->encrypt_init = encrypt_init;
898 pmeth->encrypt = encryptfn;
901 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
902 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
903 int (*decrypt) (EVP_PKEY_CTX *ctx,
906 const unsigned char *in,
909 pmeth->decrypt_init = decrypt_init;
910 pmeth->decrypt = decrypt;
913 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
914 int (*derive_init) (EVP_PKEY_CTX *ctx),
915 int (*derive) (EVP_PKEY_CTX *ctx,
919 pmeth->derive_init = derive_init;
920 pmeth->derive = derive;
923 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
924 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
926 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
931 pmeth->ctrl_str = ctrl_str;
934 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
935 int (*check) (EVP_PKEY *pkey))
937 pmeth->check = check;
940 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
941 int (*check) (EVP_PKEY *pkey))
943 pmeth->public_check = check;
946 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
947 int (*check) (EVP_PKEY *pkey))
949 pmeth->param_check = check;
952 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
953 int (*digest_custom) (EVP_PKEY_CTX *ctx,
956 pmeth->digest_custom = digest_custom;
959 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
960 int (**pinit) (EVP_PKEY_CTX *ctx))
962 *pinit = pmeth->init;
965 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
966 int (**pcopy) (EVP_PKEY_CTX *dst,
967 const EVP_PKEY_CTX *src))
969 *pcopy = pmeth->copy;
972 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
973 void (**pcleanup) (EVP_PKEY_CTX *ctx))
975 *pcleanup = pmeth->cleanup;
978 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
979 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
980 int (**pparamgen) (EVP_PKEY_CTX *ctx,
984 *pparamgen_init = pmeth->paramgen_init;
986 *pparamgen = pmeth->paramgen;
989 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
990 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
991 int (**pkeygen) (EVP_PKEY_CTX *ctx,
995 *pkeygen_init = pmeth->keygen_init;
997 *pkeygen = pmeth->keygen;
1000 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
1001 int (**psign_init) (EVP_PKEY_CTX *ctx),
1002 int (**psign) (EVP_PKEY_CTX *ctx,
1003 unsigned char *sig, size_t *siglen,
1004 const unsigned char *tbs,
1008 *psign_init = pmeth->sign_init;
1010 *psign = pmeth->sign;
1013 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
1014 int (**pverify_init) (EVP_PKEY_CTX *ctx),
1015 int (**pverify) (EVP_PKEY_CTX *ctx,
1016 const unsigned char *sig,
1018 const unsigned char *tbs,
1022 *pverify_init = pmeth->verify_init;
1024 *pverify = pmeth->verify;
1027 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
1028 int (**pverify_recover_init) (EVP_PKEY_CTX
1030 int (**pverify_recover) (EVP_PKEY_CTX
1039 if (pverify_recover_init)
1040 *pverify_recover_init = pmeth->verify_recover_init;
1041 if (pverify_recover)
1042 *pverify_recover = pmeth->verify_recover;
1045 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
1046 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
1048 int (**psignctx) (EVP_PKEY_CTX *ctx,
1054 *psignctx_init = pmeth->signctx_init;
1056 *psignctx = pmeth->signctx;
1059 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
1060 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
1062 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
1063 const unsigned char *sig,
1067 if (pverifyctx_init)
1068 *pverifyctx_init = pmeth->verifyctx_init;
1070 *pverifyctx = pmeth->verifyctx;
1073 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
1074 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
1075 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
1078 const unsigned char *in,
1082 *pencrypt_init = pmeth->encrypt_init;
1084 *pencryptfn = pmeth->encrypt;
1087 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
1088 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
1089 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
1092 const unsigned char *in,
1096 *pdecrypt_init = pmeth->decrypt_init;
1098 *pdecrypt = pmeth->decrypt;
1101 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
1102 int (**pderive_init) (EVP_PKEY_CTX *ctx),
1103 int (**pderive) (EVP_PKEY_CTX *ctx,
1108 *pderive_init = pmeth->derive_init;
1110 *pderive = pmeth->derive;
1113 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
1114 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1116 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
1121 *pctrl = pmeth->ctrl;
1123 *pctrl_str = pmeth->ctrl_str;
1126 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
1127 int (**pcheck) (EVP_PKEY *pkey))
1130 *pcheck = pmeth->check;
1133 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
1134 int (**pcheck) (EVP_PKEY *pkey))
1137 *pcheck = pmeth->public_check;
1140 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
1141 int (**pcheck) (EVP_PKEY *pkey))
1144 *pcheck = pmeth->param_check;
1147 void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
1148 int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
1151 if (pdigest_custom != NULL)
1152 *pdigest_custom = pmeth->digest_custom;