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 "crypto/asn1.h"
20 #include "crypto/evp.h"
21 #include "internal/numbers.h"
22 #include "internal/provider.h"
25 typedef const EVP_PKEY_METHOD *(*pmeth_fn)(void);
26 typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
28 static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
30 /* This array needs to be in order of NIDs */
31 static pmeth_fn standard_methods[] = {
32 #ifndef OPENSSL_NO_RSA
38 #ifndef OPENSSL_NO_DSA
45 #ifndef OPENSSL_NO_CMAC
48 #ifndef OPENSSL_NO_RSA
54 #ifndef OPENSSL_NO_SCRYPT
63 #ifndef OPENSSL_NO_POLY1305
66 #ifndef OPENSSL_NO_SIPHASH
73 #ifndef OPENSSL_NO_SM2
78 DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
80 static int pmeth_func_cmp(const EVP_PKEY_METHOD *const *a, pmeth_fn const *b)
82 return ((*a)->pkey_id - ((**b)())->pkey_id);
85 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
87 static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
88 const EVP_PKEY_METHOD *const *b)
90 return ((*a)->pkey_id - (*b)->pkey_id);
93 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
97 const EVP_PKEY_METHOD *t = &tmp;
99 if (app_pkey_methods) {
101 idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
103 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
105 ret = OBJ_bsearch_pmeth_func(&t, standard_methods,
106 sizeof(standard_methods) /
113 static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
116 const EVP_PKEY_METHOD *pmeth = NULL;
119 * When using providers, the context is bound to the algo implementation
122 if (pkey == NULL && e == NULL && id == -1)
125 /* TODO(3.0) Legacy code should be removed when all is provider based */
132 #ifndef OPENSSL_NO_ENGINE
133 if (e == NULL && pkey != NULL)
134 e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
135 /* Try to find an ENGINE which implements this method */
137 if (!ENGINE_init(e)) {
138 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
142 e = ENGINE_get_pkey_meth_engine(id);
146 * If an ENGINE handled this method look it up. Otherwise use internal
150 pmeth = ENGINE_get_pkey_meth(e, id);
153 pmeth = EVP_PKEY_meth_find(id);
156 #ifndef OPENSSL_NO_ENGINE
159 EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
165 ret = OPENSSL_zalloc(sizeof(*ret));
167 #ifndef OPENSSL_NO_ENGINE
170 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
175 ret->operation = EVP_PKEY_OP_UNDEFINED;
178 EVP_PKEY_up_ref(pkey);
180 if (pmeth != NULL && pmeth->init != NULL) {
181 if (pmeth->init(ret) <= 0) {
183 EVP_PKEY_CTX_free(ret);
191 void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx)
193 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
194 if (ctx->op.kex.exchprovctx != NULL && ctx->op.kex.exchange != NULL)
195 ctx->op.kex.exchange->freectx(ctx->op.kex.exchprovctx);
196 EVP_KEYEXCH_free(ctx->op.kex.exchange);
197 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
198 if (ctx->op.sig.sigprovctx != NULL && ctx->op.sig.signature != NULL)
199 ctx->op.sig.signature->freectx(ctx->op.sig.sigprovctx);
200 EVP_SIGNATURE_free(ctx->op.sig.signature);
204 EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
206 EVP_PKEY_METHOD *pmeth;
208 pmeth = OPENSSL_zalloc(sizeof(*pmeth));
210 EVPerr(EVP_F_EVP_PKEY_METH_NEW, ERR_R_MALLOC_FAILURE);
215 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
219 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
220 const EVP_PKEY_METHOD *meth)
223 *ppkey_id = meth->pkey_id;
225 *pflags = meth->flags;
228 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
231 dst->init = src->init;
232 dst->copy = src->copy;
233 dst->cleanup = src->cleanup;
235 dst->paramgen_init = src->paramgen_init;
236 dst->paramgen = src->paramgen;
238 dst->keygen_init = src->keygen_init;
239 dst->keygen = src->keygen;
241 dst->sign_init = src->sign_init;
242 dst->sign = src->sign;
244 dst->verify_init = src->verify_init;
245 dst->verify = src->verify;
247 dst->verify_recover_init = src->verify_recover_init;
248 dst->verify_recover = src->verify_recover;
250 dst->signctx_init = src->signctx_init;
251 dst->signctx = src->signctx;
253 dst->verifyctx_init = src->verifyctx_init;
254 dst->verifyctx = src->verifyctx;
256 dst->encrypt_init = src->encrypt_init;
257 dst->encrypt = src->encrypt;
259 dst->decrypt_init = src->decrypt_init;
260 dst->decrypt = src->decrypt;
262 dst->derive_init = src->derive_init;
263 dst->derive = src->derive;
265 dst->ctrl = src->ctrl;
266 dst->ctrl_str = src->ctrl_str;
268 dst->check = src->check;
271 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
273 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
277 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
279 return int_ctx_new(pkey, e, -1);
282 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
284 return int_ctx_new(NULL, e, id);
287 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx)
291 if (((pctx->pmeth == NULL) || (pctx->pmeth->copy == NULL))
292 && ((EVP_PKEY_CTX_IS_DERIVE_OP(pctx)
293 && pctx->op.kex.exchprovctx == NULL)
294 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)
295 && pctx->op.sig.sigprovctx == NULL)))
297 #ifndef OPENSSL_NO_ENGINE
298 /* Make sure it's safe to copy a pkey context using an ENGINE */
299 if (pctx->engine && !ENGINE_init(pctx->engine)) {
300 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
304 rctx = OPENSSL_zalloc(sizeof(*rctx));
306 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_MALLOC_FAILURE);
310 if (pctx->pkey != NULL)
311 EVP_PKEY_up_ref(pctx->pkey);
312 rctx->pkey = pctx->pkey;
313 rctx->operation = pctx->operation;
315 if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx)) {
316 if (pctx->op.kex.exchange != NULL) {
317 rctx->op.kex.exchange = pctx->op.kex.exchange;
318 if (!EVP_KEYEXCH_up_ref(rctx->op.kex.exchange)) {
323 if (pctx->op.kex.exchprovctx != NULL) {
324 if (!ossl_assert(pctx->op.kex.exchange != NULL))
326 rctx->op.kex.exchprovctx
327 = pctx->op.kex.exchange->dupctx(pctx->op.kex.exchprovctx);
328 if (rctx->op.kex.exchprovctx == NULL) {
329 EVP_KEYEXCH_free(rctx->op.kex.exchange);
335 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)) {
336 if (pctx->op.sig.signature != NULL) {
337 rctx->op.sig.signature = pctx->op.sig.signature;
338 if (!EVP_SIGNATURE_up_ref(rctx->op.sig.signature)) {
343 if (pctx->op.sig.sigprovctx != NULL) {
344 if (!ossl_assert(pctx->op.sig.signature != NULL))
346 rctx->op.sig.sigprovctx
347 = pctx->op.sig.signature->dupctx(pctx->op.sig.sigprovctx);
348 if (rctx->op.sig.sigprovctx == NULL) {
349 EVP_SIGNATURE_free(rctx->op.sig.signature);
357 rctx->pmeth = pctx->pmeth;
358 #ifndef OPENSSL_NO_ENGINE
359 rctx->engine = pctx->engine;
363 EVP_PKEY_up_ref(pctx->peerkey);
364 rctx->peerkey = pctx->peerkey;
366 if (pctx->pmeth->copy(rctx, pctx) > 0)
370 EVP_PKEY_CTX_free(rctx);
375 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
377 if (app_pkey_methods == NULL) {
378 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
379 if (app_pkey_methods == NULL){
380 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
384 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) {
385 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
388 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
392 void evp_app_cleanup_int(void)
394 if (app_pkey_methods != NULL)
395 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
398 int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
400 const EVP_PKEY_METHOD *ret;
402 ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
404 return ret == NULL ? 0 : 1;
407 size_t EVP_PKEY_meth_get_count(void)
409 size_t rv = OSSL_NELEM(standard_methods);
411 if (app_pkey_methods)
412 rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
416 const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
418 if (idx < OSSL_NELEM(standard_methods))
419 return (standard_methods[idx])();
420 if (app_pkey_methods == NULL)
422 idx -= OSSL_NELEM(standard_methods);
423 if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
425 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
428 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
432 if (ctx->pmeth && ctx->pmeth->cleanup)
433 ctx->pmeth->cleanup(ctx);
435 evp_pkey_ctx_free_old_ops(ctx);
437 EVP_PKEY_free(ctx->pkey);
438 EVP_PKEY_free(ctx->peerkey);
439 #ifndef OPENSSL_NO_ENGINE
440 ENGINE_finish(ctx->engine);
445 int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
447 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
448 && ctx->op.sig.sigprovctx != NULL
449 && ctx->op.sig.signature != NULL
450 && ctx->op.sig.signature->get_ctx_params != NULL)
451 return ctx->op.sig.signature->get_ctx_params(ctx->op.sig.sigprovctx,
456 const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx)
458 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
459 && ctx->op.sig.signature != NULL
460 && ctx->op.sig.signature->gettable_ctx_params != NULL)
461 return ctx->op.sig.signature->gettable_ctx_params();
466 int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
468 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
469 && ctx->op.kex.exchprovctx != NULL
470 && ctx->op.kex.exchange != NULL
471 && ctx->op.kex.exchange->set_ctx_params != NULL)
472 return ctx->op.kex.exchange->set_ctx_params(ctx->op.kex.exchprovctx,
474 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
475 && ctx->op.sig.sigprovctx != NULL
476 && ctx->op.sig.signature != NULL
477 && ctx->op.sig.signature->set_ctx_params != NULL)
478 return ctx->op.sig.signature->set_ctx_params(ctx->op.sig.sigprovctx,
483 const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx)
485 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
486 && ctx->op.kex.exchange != NULL
487 && ctx->op.kex.exchange->settable_ctx_params != NULL)
488 return ctx->op.kex.exchange->settable_ctx_params();
489 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
490 && ctx->op.sig.signature != NULL
491 && ctx->op.sig.signature->settable_ctx_params != NULL)
492 return ctx->op.sig.signature->settable_ctx_params();
497 #ifndef OPENSSL_NO_DH
498 int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX *ctx, int pad)
500 OSSL_PARAM dh_pad_params[2];
501 unsigned int upad = pad;
503 /* We use EVP_PKEY_CTX_ctrl return values */
504 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
505 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
509 /* TODO(3.0): Remove this eventually when no more legacy */
510 if (ctx->op.kex.exchprovctx == NULL)
511 return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_DERIVE,
512 EVP_PKEY_CTRL_DH_PAD, pad, NULL);
514 dh_pad_params[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD, &upad);
515 dh_pad_params[1] = OSSL_PARAM_construct_end();
517 return EVP_PKEY_CTX_set_params(ctx, dh_pad_params);
521 int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md)
523 OSSL_PARAM sig_md_params[3], *p = sig_md_params;
524 /* 80 should be big enough */
528 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
529 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
530 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
534 /* TODO(3.0): Remove this eventually when no more legacy */
535 if (ctx->op.sig.sigprovctx == NULL)
536 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
537 EVP_PKEY_CTRL_GET_MD, 0, (void *)(md));
539 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
542 *p++ = OSSL_PARAM_construct_end();
544 if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params))
547 tmp = EVP_get_digestbyname(name);
556 int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
558 OSSL_PARAM sig_md_params[3], *p = sig_md_params;
562 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
563 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
564 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
568 /* TODO(3.0): Remove this eventually when no more legacy */
569 if (ctx->op.sig.sigprovctx == NULL)
570 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
571 EVP_PKEY_CTRL_MD, 0, (void *)(md));
577 mdsize = EVP_MD_size(md);
578 name = EVP_MD_name(md);
581 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
583 * Cast away the const. This is read
584 * only so should be safe
588 *p++ = OSSL_PARAM_construct_size_t(OSSL_SIGNATURE_PARAM_DIGEST_SIZE,
590 *p++ = OSSL_PARAM_construct_end();
592 return EVP_PKEY_CTX_set_params(ctx, sig_md_params);
595 static int legacy_ctrl_to_param(EVP_PKEY_CTX *ctx, int keytype, int optype,
596 int cmd, int p1, void *p2)
599 #ifndef OPENSSL_NO_DH
600 case EVP_PKEY_CTRL_DH_PAD:
601 return EVP_PKEY_CTX_set_dh_pad(ctx, p1);
603 case EVP_PKEY_CTRL_MD:
604 return EVP_PKEY_CTX_set_signature_md(ctx, p2);
605 case EVP_PKEY_CTRL_GET_MD:
606 return EVP_PKEY_CTX_get_signature_md(ctx, p2);
611 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
612 int cmd, int p1, void *p2)
617 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
621 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
622 || (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
623 && ctx->op.sig.sigprovctx != NULL))
624 return legacy_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2);
626 if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) {
627 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
630 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
633 /* Skip the operation checks since this is called in a very early stage */
634 if (ctx->pmeth->digest_custom != NULL)
637 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
638 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
642 if ((optype != -1) && !(ctx->operation & optype)) {
643 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
648 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
651 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
656 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
657 int cmd, uint64_t value)
659 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
662 static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name,
665 #ifndef OPENSSL_NO_DH
666 if (strcmp(name, "dh_pad") == 0) {
670 return EVP_PKEY_CTX_set_dh_pad(ctx, pad);
673 if (strcmp(name, "digest") == 0) {
677 if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) || ctx->op.sig.signature == NULL)
679 md = EVP_MD_fetch(ossl_provider_library_context(ctx->op.sig.signature->prov),
683 ret = EVP_PKEY_CTX_set_signature_md(ctx, md);
684 EVP_MD_meth_free(md);
691 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
692 const char *name, const char *value)
695 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
699 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
700 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
701 && ctx->op.sig.sigprovctx != NULL))
702 return legacy_ctrl_str_to_param(ctx, name, value);
704 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
705 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
708 if (strcmp(name, "digest") == 0)
709 return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD,
711 return ctx->pmeth->ctrl_str(ctx, name, value);
714 /* Utility functions to send a string of hex string to a ctrl */
716 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
723 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
726 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
732 bin = OPENSSL_hexstr2buf(hex, &binlen);
735 if (binlen <= INT_MAX)
736 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
741 /* Pass a message digest to a ctrl */
742 int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
746 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
747 EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST);
750 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
753 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
755 return ctx->operation;
758 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
760 ctx->keygen_info = dat;
761 ctx->keygen_info_count = datlen;
764 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
769 void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx)
774 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
779 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
784 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
786 ctx->app_data = data;
789 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
791 return ctx->app_data;
794 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
795 int (*init) (EVP_PKEY_CTX *ctx))
800 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
801 int (*copy) (EVP_PKEY_CTX *dst,
802 const EVP_PKEY_CTX *src))
807 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
808 void (*cleanup) (EVP_PKEY_CTX *ctx))
810 pmeth->cleanup = cleanup;
813 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
814 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
815 int (*paramgen) (EVP_PKEY_CTX *ctx,
818 pmeth->paramgen_init = paramgen_init;
819 pmeth->paramgen = paramgen;
822 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
823 int (*keygen_init) (EVP_PKEY_CTX *ctx),
824 int (*keygen) (EVP_PKEY_CTX *ctx,
827 pmeth->keygen_init = keygen_init;
828 pmeth->keygen = keygen;
831 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
832 int (*sign_init) (EVP_PKEY_CTX *ctx),
833 int (*sign) (EVP_PKEY_CTX *ctx,
834 unsigned char *sig, size_t *siglen,
835 const unsigned char *tbs,
838 pmeth->sign_init = sign_init;
842 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
843 int (*verify_init) (EVP_PKEY_CTX *ctx),
844 int (*verify) (EVP_PKEY_CTX *ctx,
845 const unsigned char *sig,
847 const unsigned char *tbs,
850 pmeth->verify_init = verify_init;
851 pmeth->verify = verify;
854 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
855 int (*verify_recover_init) (EVP_PKEY_CTX
857 int (*verify_recover) (EVP_PKEY_CTX
866 pmeth->verify_recover_init = verify_recover_init;
867 pmeth->verify_recover = verify_recover;
870 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
871 int (*signctx_init) (EVP_PKEY_CTX *ctx,
873 int (*signctx) (EVP_PKEY_CTX *ctx,
878 pmeth->signctx_init = signctx_init;
879 pmeth->signctx = signctx;
882 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
883 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
885 int (*verifyctx) (EVP_PKEY_CTX *ctx,
886 const unsigned char *sig,
890 pmeth->verifyctx_init = verifyctx_init;
891 pmeth->verifyctx = verifyctx;
894 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
895 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
896 int (*encryptfn) (EVP_PKEY_CTX *ctx,
899 const unsigned char *in,
902 pmeth->encrypt_init = encrypt_init;
903 pmeth->encrypt = encryptfn;
906 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
907 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
908 int (*decrypt) (EVP_PKEY_CTX *ctx,
911 const unsigned char *in,
914 pmeth->decrypt_init = decrypt_init;
915 pmeth->decrypt = decrypt;
918 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
919 int (*derive_init) (EVP_PKEY_CTX *ctx),
920 int (*derive) (EVP_PKEY_CTX *ctx,
924 pmeth->derive_init = derive_init;
925 pmeth->derive = derive;
928 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
929 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
931 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
936 pmeth->ctrl_str = ctrl_str;
939 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
940 int (*check) (EVP_PKEY *pkey))
942 pmeth->check = check;
945 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
946 int (*check) (EVP_PKEY *pkey))
948 pmeth->public_check = check;
951 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
952 int (*check) (EVP_PKEY *pkey))
954 pmeth->param_check = check;
957 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
958 int (*digest_custom) (EVP_PKEY_CTX *ctx,
961 pmeth->digest_custom = digest_custom;
964 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
965 int (**pinit) (EVP_PKEY_CTX *ctx))
967 *pinit = pmeth->init;
970 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
971 int (**pcopy) (EVP_PKEY_CTX *dst,
972 const EVP_PKEY_CTX *src))
974 *pcopy = pmeth->copy;
977 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
978 void (**pcleanup) (EVP_PKEY_CTX *ctx))
980 *pcleanup = pmeth->cleanup;
983 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
984 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
985 int (**pparamgen) (EVP_PKEY_CTX *ctx,
989 *pparamgen_init = pmeth->paramgen_init;
991 *pparamgen = pmeth->paramgen;
994 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
995 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
996 int (**pkeygen) (EVP_PKEY_CTX *ctx,
1000 *pkeygen_init = pmeth->keygen_init;
1002 *pkeygen = pmeth->keygen;
1005 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
1006 int (**psign_init) (EVP_PKEY_CTX *ctx),
1007 int (**psign) (EVP_PKEY_CTX *ctx,
1008 unsigned char *sig, size_t *siglen,
1009 const unsigned char *tbs,
1013 *psign_init = pmeth->sign_init;
1015 *psign = pmeth->sign;
1018 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
1019 int (**pverify_init) (EVP_PKEY_CTX *ctx),
1020 int (**pverify) (EVP_PKEY_CTX *ctx,
1021 const unsigned char *sig,
1023 const unsigned char *tbs,
1027 *pverify_init = pmeth->verify_init;
1029 *pverify = pmeth->verify;
1032 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
1033 int (**pverify_recover_init) (EVP_PKEY_CTX
1035 int (**pverify_recover) (EVP_PKEY_CTX
1044 if (pverify_recover_init)
1045 *pverify_recover_init = pmeth->verify_recover_init;
1046 if (pverify_recover)
1047 *pverify_recover = pmeth->verify_recover;
1050 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
1051 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
1053 int (**psignctx) (EVP_PKEY_CTX *ctx,
1059 *psignctx_init = pmeth->signctx_init;
1061 *psignctx = pmeth->signctx;
1064 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
1065 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
1067 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
1068 const unsigned char *sig,
1072 if (pverifyctx_init)
1073 *pverifyctx_init = pmeth->verifyctx_init;
1075 *pverifyctx = pmeth->verifyctx;
1078 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
1079 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
1080 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
1083 const unsigned char *in,
1087 *pencrypt_init = pmeth->encrypt_init;
1089 *pencryptfn = pmeth->encrypt;
1092 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
1093 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
1094 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
1097 const unsigned char *in,
1101 *pdecrypt_init = pmeth->decrypt_init;
1103 *pdecrypt = pmeth->decrypt;
1106 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
1107 int (**pderive_init) (EVP_PKEY_CTX *ctx),
1108 int (**pderive) (EVP_PKEY_CTX *ctx,
1113 *pderive_init = pmeth->derive_init;
1115 *pderive = pmeth->derive;
1118 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
1119 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1121 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
1126 *pctrl = pmeth->ctrl;
1128 *pctrl_str = pmeth->ctrl_str;
1131 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
1132 int (**pcheck) (EVP_PKEY *pkey))
1135 *pcheck = pmeth->check;
1138 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
1139 int (**pcheck) (EVP_PKEY *pkey))
1142 *pcheck = pmeth->public_check;
1145 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
1146 int (**pcheck) (EVP_PKEY *pkey))
1149 *pcheck = pmeth->param_check;
1152 void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
1153 int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
1156 if (pdigest_custom != NULL)
1157 *pdigest_custom = pmeth->digest_custom;