2 * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
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
11 * ECDH/ECDSA low level APIs are deprecated for public use, but still ok for
14 #include "internal/deprecated.h"
16 #include "e_os.h" /* strcasecmp */
18 #include <openssl/core_dispatch.h>
19 #include <openssl/core_names.h>
20 #include <openssl/bn.h>
21 #include <openssl/err.h>
22 #include <openssl/objects.h>
23 #include <openssl/proverr.h>
24 #include "crypto/bn.h"
25 #include "crypto/ec.h"
26 #include "prov/implementations.h"
27 #include "prov/providercommon.h"
28 #include "prov/provider_ctx.h"
29 #include "internal/param_build_set.h"
32 # ifndef OPENSSL_NO_SM2
33 # include "crypto/sm2.h"
37 static OSSL_FUNC_keymgmt_new_fn ec_newdata;
38 static OSSL_FUNC_keymgmt_gen_init_fn ec_gen_init;
39 static OSSL_FUNC_keymgmt_gen_set_template_fn ec_gen_set_template;
40 static OSSL_FUNC_keymgmt_gen_set_params_fn ec_gen_set_params;
41 static OSSL_FUNC_keymgmt_gen_settable_params_fn ec_gen_settable_params;
42 static OSSL_FUNC_keymgmt_gen_fn ec_gen;
43 static OSSL_FUNC_keymgmt_gen_cleanup_fn ec_gen_cleanup;
44 static OSSL_FUNC_keymgmt_load_fn ec_load;
45 static OSSL_FUNC_keymgmt_free_fn ec_freedata;
46 static OSSL_FUNC_keymgmt_get_params_fn ec_get_params;
47 static OSSL_FUNC_keymgmt_gettable_params_fn ec_gettable_params;
48 static OSSL_FUNC_keymgmt_set_params_fn ec_set_params;
49 static OSSL_FUNC_keymgmt_settable_params_fn ec_settable_params;
50 static OSSL_FUNC_keymgmt_has_fn ec_has;
51 static OSSL_FUNC_keymgmt_match_fn ec_match;
52 static OSSL_FUNC_keymgmt_validate_fn ec_validate;
53 static OSSL_FUNC_keymgmt_import_fn ec_import;
54 static OSSL_FUNC_keymgmt_import_types_fn ec_import_types;
55 static OSSL_FUNC_keymgmt_export_fn ec_export;
56 static OSSL_FUNC_keymgmt_export_types_fn ec_export_types;
57 static OSSL_FUNC_keymgmt_query_operation_name_fn ec_query_operation_name;
59 # ifndef OPENSSL_NO_SM2
60 static OSSL_FUNC_keymgmt_new_fn sm2_newdata;
61 static OSSL_FUNC_keymgmt_gen_init_fn sm2_gen_init;
62 static OSSL_FUNC_keymgmt_gen_fn sm2_gen;
63 static OSSL_FUNC_keymgmt_get_params_fn sm2_get_params;
64 static OSSL_FUNC_keymgmt_gettable_params_fn sm2_gettable_params;
65 static OSSL_FUNC_keymgmt_settable_params_fn sm2_settable_params;
66 static OSSL_FUNC_keymgmt_import_fn sm2_import;
67 static OSSL_FUNC_keymgmt_query_operation_name_fn sm2_query_operation_name;
68 static OSSL_FUNC_keymgmt_validate_fn sm2_validate;
72 #define EC_DEFAULT_MD "SHA256"
73 #define EC_POSSIBLE_SELECTIONS \
74 (OSSL_KEYMGMT_SELECT_KEYPAIR | OSSL_KEYMGMT_SELECT_ALL_PARAMETERS)
75 #define SM2_DEFAULT_MD "SM3"
78 const char *ec_query_operation_name(int operation_id)
80 switch (operation_id) {
83 case OSSL_OP_SIGNATURE:
90 # ifndef OPENSSL_NO_SM2
92 const char *sm2_query_operation_name(int operation_id)
94 switch (operation_id) {
95 case OSSL_OP_SIGNATURE:
104 * Callers of key_to_params MUST make sure that domparams_to_params is also
107 * This function only exports the bare keypair, domain parameters and other
108 * parameters are exported separately.
111 int key_to_params(const EC_KEY *eckey, OSSL_PARAM_BLD *tmpl,
112 OSSL_PARAM params[], int include_private,
113 unsigned char **pub_key)
115 BIGNUM *x = NULL, *y = NULL;
116 const BIGNUM *priv_key = NULL;
117 const EC_POINT *pub_point = NULL;
118 const EC_GROUP *ecg = NULL;
119 size_t pub_key_len = 0;
121 BN_CTX *bnctx = NULL;
124 || (ecg = EC_KEY_get0_group(eckey)) == NULL)
127 priv_key = EC_KEY_get0_private_key(eckey);
128 pub_point = EC_KEY_get0_public_key(eckey);
130 if (pub_point != NULL) {
131 OSSL_PARAM *p = NULL, *px = NULL, *py = NULL;
133 * EC_POINT_point2buf() can generate random numbers in some
134 * implementations so we need to ensure we use the correct libctx.
136 bnctx = BN_CTX_new_ex(ossl_ec_key_get_libctx(eckey));
141 /* If we are doing a get then check first before decoding the point */
143 p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_PUB_KEY);
144 px = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_EC_PUB_X);
145 py = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_EC_PUB_Y);
148 if (p != NULL || tmpl != NULL) {
149 /* convert pub_point to a octet string according to the SECG standard */
150 if ((pub_key_len = EC_POINT_point2buf(ecg, pub_point,
151 POINT_CONVERSION_COMPRESSED,
152 pub_key, bnctx)) == 0
153 || !ossl_param_build_set_octet_string(tmpl, p,
154 OSSL_PKEY_PARAM_PUB_KEY,
155 *pub_key, pub_key_len))
158 if (px != NULL || py != NULL) {
160 x = BN_CTX_get(bnctx);
162 y = BN_CTX_get(bnctx);
164 if (!EC_POINT_get_affine_coordinates(ecg, pub_point, x, y, bnctx))
167 && !ossl_param_build_set_bn(tmpl, px,
168 OSSL_PKEY_PARAM_EC_PUB_X, x))
171 && !ossl_param_build_set_bn(tmpl, py,
172 OSSL_PKEY_PARAM_EC_PUB_Y, y))
177 if (priv_key != NULL && include_private) {
182 * Key import/export should never leak the bit length of the secret
185 * For this reason, on export we use padded BIGNUMs with fixed length.
187 * When importing we also should make sure that, even if short lived,
188 * the newly created BIGNUM is marked with the BN_FLG_CONSTTIME flag as
189 * soon as possible, so that any processing of this BIGNUM might opt for
190 * constant time implementations in the backend.
192 * Setting the BN_FLG_CONSTTIME flag alone is never enough, we also have
193 * to preallocate the BIGNUM internal buffer to a fixed public size big
194 * enough that operations performed during the processing never trigger
195 * a realloc which would leak the size of the scalar through memory
201 * The order of the large prime subgroup of the curve is our choice for
202 * a fixed public size, as that is generally the upper bound for
203 * generating a private key in EC cryptosystems and should fit all valid
206 * For padding on export we just use the bit length of the order
207 * converted to bytes (rounding up).
209 * For preallocating the BIGNUM storage we look at the number of "words"
210 * required for the internal representation of the order, and we
211 * preallocate 2 extra "words" in case any of the subsequent processing
212 * might temporarily overflow the order length.
214 ecbits = EC_GROUP_order_bits(ecg);
217 sz = (ecbits + 7 ) / 8;
219 if (!ossl_param_build_set_bn_pad(tmpl, params,
220 OSSL_PKEY_PARAM_PRIV_KEY,
231 int otherparams_to_params(const EC_KEY *ec, OSSL_PARAM_BLD *tmpl,
234 int ecdh_cofactor_mode = 0, group_check = 0;
235 const char *name = NULL;
236 point_conversion_form_t format;
241 format = EC_KEY_get_conv_form(ec);
242 name = ossl_ec_pt_format_id2name((int)format);
244 && !ossl_param_build_set_utf8_string(tmpl, params,
245 OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT,
249 group_check = EC_KEY_get_flags(ec) & EC_FLAG_CHECK_NAMED_GROUP_MASK;
250 name = ossl_ec_check_group_type_id2name(group_check);
252 && !ossl_param_build_set_utf8_string(tmpl, params,
253 OSSL_PKEY_PARAM_EC_GROUP_CHECK_TYPE,
257 if ((EC_KEY_get_enc_flags(ec) & EC_PKEY_NO_PUBKEY) != 0)
258 ossl_param_build_set_int(tmpl, params,
259 OSSL_PKEY_PARAM_EC_INCLUDE_PUBLIC, 0);
262 (EC_KEY_get_flags(ec) & EC_FLAG_COFACTOR_ECDH) ? 1 : 0;
263 return ossl_param_build_set_int(tmpl, params,
264 OSSL_PKEY_PARAM_USE_COFACTOR_ECDH,
269 void *ec_newdata(void *provctx)
271 if (!ossl_prov_is_running())
273 return EC_KEY_new_ex(PROV_LIBCTX_OF(provctx), NULL);
277 # ifndef OPENSSL_NO_SM2
279 void *sm2_newdata(void *provctx)
281 if (!ossl_prov_is_running())
283 return EC_KEY_new_by_curve_name_ex(PROV_LIBCTX_OF(provctx), NULL, NID_sm2);
289 void ec_freedata(void *keydata)
291 EC_KEY_free(keydata);
295 int ec_has(const void *keydata, int selection)
297 const EC_KEY *ec = keydata;
300 if (!ossl_prov_is_running() || ec == NULL)
302 if ((selection & EC_POSSIBLE_SELECTIONS) == 0)
303 return 1; /* the selection is not missing */
305 if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0)
306 ok = ok && (EC_KEY_get0_public_key(ec) != NULL);
307 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
308 ok = ok && (EC_KEY_get0_private_key(ec) != NULL);
309 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0)
310 ok = ok && (EC_KEY_get0_group(ec) != NULL);
312 * We consider OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS to always be
313 * available, so no extra check is needed other than the previous one
314 * against EC_POSSIBLE_SELECTIONS.
319 static int ec_match(const void *keydata1, const void *keydata2, int selection)
321 const EC_KEY *ec1 = keydata1;
322 const EC_KEY *ec2 = keydata2;
323 const EC_GROUP *group_a = EC_KEY_get0_group(ec1);
324 const EC_GROUP *group_b = EC_KEY_get0_group(ec2);
328 if (!ossl_prov_is_running())
331 ctx = BN_CTX_new_ex(ossl_ec_key_get_libctx(ec1));
335 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0)
336 ok = ok && group_a != NULL && group_b != NULL
337 && EC_GROUP_cmp(group_a, group_b, ctx) == 0;
338 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0) {
339 const BIGNUM *pa = EC_KEY_get0_private_key(ec1);
340 const BIGNUM *pb = EC_KEY_get0_private_key(ec2);
342 ok = ok && BN_cmp(pa, pb) == 0;
344 if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0) {
345 const EC_POINT *pa = EC_KEY_get0_public_key(ec1);
346 const EC_POINT *pb = EC_KEY_get0_public_key(ec2);
348 ok = ok && EC_POINT_cmp(group_b, pa, pb, ctx) == 0;
354 static int common_check_sm2(const EC_KEY *ec, int sm2_wanted)
356 const EC_GROUP *ecg = NULL;
359 * sm2_wanted: import the keys or domparams only on SM2 Curve
360 * !sm2_wanted: import the keys or domparams only not on SM2 Curve
362 if ((ecg = EC_KEY_get0_group(ec)) == NULL
363 || (sm2_wanted ^ (EC_GROUP_get_curve_name(ecg) == NID_sm2)))
369 int common_import(void *keydata, int selection, const OSSL_PARAM params[],
372 EC_KEY *ec = keydata;
375 if (!ossl_prov_is_running() || ec == NULL)
379 * In this implementation, we can export/import only keydata in the
380 * following combinations:
381 * - domain parameters (+optional other params)
382 * - public key with associated domain parameters (+optional other params)
383 * - private key with associated domain parameters and optional public key
384 * (+optional other params)
387 * - domain parameters must always be requested
388 * - private key must be requested alongside public key
389 * - other parameters are always optional
391 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) == 0)
394 ok = ok && ossl_ec_group_fromdata(ec, params);
396 if (!common_check_sm2(ec, sm2_wanted))
399 if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0) {
400 int include_private =
401 selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY ? 1 : 0;
403 ok = ok && ossl_ec_key_fromdata(ec, params, include_private);
405 if ((selection & OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS) != 0)
406 ok = ok && ossl_ec_key_otherparams_fromdata(ec, params);
412 int ec_import(void *keydata, int selection, const OSSL_PARAM params[])
414 return common_import(keydata, selection, params, 0);
418 # ifndef OPENSSL_NO_SM2
420 int sm2_import(void *keydata, int selection, const OSSL_PARAM params[])
422 return common_import(keydata, selection, params, 1);
428 int ec_export(void *keydata, int selection, OSSL_CALLBACK *param_cb,
431 EC_KEY *ec = keydata;
432 OSSL_PARAM_BLD *tmpl = NULL;
433 OSSL_PARAM *params = NULL;
434 unsigned char *pub_key = NULL, *genbuf = NULL;
435 BN_CTX *bnctx = NULL;
438 if (!ossl_prov_is_running() || ec == NULL)
442 * In this implementation, we can export/import only keydata in the
443 * following combinations:
444 * - domain parameters (+optional other params)
445 * - public key with associated domain parameters (+optional other params)
446 * - private key with associated public key and domain parameters
447 * (+optional other params)
450 * - domain parameters must always be requested
451 * - private key must be requested alongside public key
452 * - other parameters are always optional
454 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) == 0)
456 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0
457 && (selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) == 0)
459 if ((selection & OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS) != 0
460 && (selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
463 tmpl = OSSL_PARAM_BLD_new();
467 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0) {
468 bnctx = BN_CTX_new_ex(ossl_ec_key_get_libctx(ec));
474 ok = ok && ossl_ec_group_todata(EC_KEY_get0_group(ec), tmpl, NULL,
475 ossl_ec_key_get_libctx(ec),
476 ossl_ec_key_get0_propq(ec),
480 if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0) {
481 int include_private =
482 selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY ? 1 : 0;
484 ok = ok && key_to_params(ec, tmpl, NULL, include_private, &pub_key);
486 if ((selection & OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS) != 0)
487 ok = ok && otherparams_to_params(ec, tmpl, NULL);
489 if (ok && (params = OSSL_PARAM_BLD_to_param(tmpl)) != NULL)
490 ok = param_cb(params, cbarg);
492 OSSL_PARAM_BLD_free_params(params);
493 OSSL_PARAM_BLD_free(tmpl);
494 OPENSSL_free(pub_key);
495 OPENSSL_free(genbuf);
501 /* IMEXPORT = IMPORT + EXPORT */
503 # define EC_IMEXPORTABLE_DOM_PARAMETERS \
504 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_GROUP_NAME, NULL, 0), \
505 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_ENCODING, NULL, 0), \
506 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT, NULL, 0),\
507 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_FIELD_TYPE, NULL, 0), \
508 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_P, NULL, 0), \
509 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_A, NULL, 0), \
510 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_B, NULL, 0), \
511 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_GENERATOR, NULL, 0), \
512 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_ORDER, NULL, 0), \
513 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_COFACTOR, NULL, 0), \
514 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_SEED, NULL, 0)
516 # define EC_IMEXPORTABLE_PUBLIC_KEY \
517 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_PUB_KEY, NULL, 0)
518 # define EC_IMEXPORTABLE_PRIVATE_KEY \
519 OSSL_PARAM_BN(OSSL_PKEY_PARAM_PRIV_KEY, NULL, 0)
520 # define EC_IMEXPORTABLE_OTHER_PARAMETERS \
521 OSSL_PARAM_int(OSSL_PKEY_PARAM_USE_COFACTOR_ECDH, NULL), \
522 OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_INCLUDE_PUBLIC, NULL)
525 * Include all the possible combinations of OSSL_PARAM arrays for
526 * ec_imexport_types().
528 * They are in a separate file as it is ~100 lines of unreadable and
529 * uninteresting machine generated stuff.
531 #include "ec_kmgmt_imexport.inc"
534 const OSSL_PARAM *ec_imexport_types(int selection)
538 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
540 if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0)
542 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0)
544 if ((selection & OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS) != 0)
546 return ec_types[type_select];
550 const OSSL_PARAM *ec_import_types(int selection)
552 return ec_imexport_types(selection);
556 const OSSL_PARAM *ec_export_types(int selection)
558 return ec_imexport_types(selection);
561 static int ec_get_ecm_params(const EC_GROUP *group, OSSL_PARAM params[])
563 #ifdef OPENSSL_NO_EC2M
567 unsigned int k1 = 0, k2 = 0, k3 = 0;
569 const char *basis_name = NULL;
570 int fid = EC_GROUP_get_field_type(group);
572 if (fid != NID_X9_62_characteristic_two_field)
575 basis_nid = EC_GROUP_get_basis_type(group);
576 if (basis_nid == NID_X9_62_tpBasis)
577 basis_name = SN_X9_62_tpBasis;
578 else if (basis_nid == NID_X9_62_ppBasis)
579 basis_name = SN_X9_62_ppBasis;
583 m = EC_GROUP_get_degree(group);
584 if (!ossl_param_build_set_int(NULL, params, OSSL_PKEY_PARAM_EC_CHAR2_M, m)
585 || !ossl_param_build_set_utf8_string(NULL, params,
586 OSSL_PKEY_PARAM_EC_CHAR2_TYPE,
590 if (basis_nid == NID_X9_62_tpBasis) {
591 if (!EC_GROUP_get_trinomial_basis(group, &k1)
592 || !ossl_param_build_set_int(NULL, params,
593 OSSL_PKEY_PARAM_EC_CHAR2_TP_BASIS,
597 if (!EC_GROUP_get_pentanomial_basis(group, &k1, &k2, &k3)
598 || !ossl_param_build_set_int(NULL, params,
599 OSSL_PKEY_PARAM_EC_CHAR2_PP_K1, (int)k1)
600 || !ossl_param_build_set_int(NULL, params,
601 OSSL_PKEY_PARAM_EC_CHAR2_PP_K2, (int)k2)
602 || !ossl_param_build_set_int(NULL, params,
603 OSSL_PKEY_PARAM_EC_CHAR2_PP_K3, (int)k3))
609 #endif /* OPENSSL_NO_EC2M */
613 int common_get_params(void *key, OSSL_PARAM params[], int sm2)
617 const EC_GROUP *ecg = NULL;
619 unsigned char *pub_key = NULL, *genbuf = NULL;
620 OSSL_LIB_CTX *libctx;
622 BN_CTX *bnctx = NULL;
624 ecg = EC_KEY_get0_group(eck);
628 libctx = ossl_ec_key_get_libctx(eck);
629 propq = ossl_ec_key_get0_propq(eck);
631 bnctx = BN_CTX_new_ex(libctx);
636 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_MAX_SIZE)) != NULL
637 && !OSSL_PARAM_set_int(p, ECDSA_size(eck)))
639 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_BITS)) != NULL
640 && !OSSL_PARAM_set_int(p, EC_GROUP_order_bits(ecg)))
642 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_SECURITY_BITS)) != NULL) {
643 int ecbits, sec_bits;
645 ecbits = EC_GROUP_order_bits(ecg);
648 * The following estimates are based on the values published
649 * in Table 2 of "NIST Special Publication 800-57 Part 1 Revision 4"
650 * at http://dx.doi.org/10.6028/NIST.SP.800-57pt1r4 .
652 * Note that the above reference explicitly categorizes algorithms in a
653 * discrete set of values {80, 112, 128, 192, 256}, and that it is
654 * relevant only for NIST approved Elliptic Curves, while OpenSSL
655 * applies the same logic also to other curves.
657 * Classifications produced by other standardazing bodies might differ,
658 * so the results provided for "bits of security" by this provider are
659 * to be considered merely indicative, and it is the users'
660 * responsibility to compare these values against the normative
661 * references that may be relevant for their intent and purposes.
665 else if (ecbits >= 384)
667 else if (ecbits >= 256)
669 else if (ecbits >= 224)
671 else if (ecbits >= 160)
674 sec_bits = ecbits / 2;
676 if (!OSSL_PARAM_set_int(p, sec_bits))
681 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_DEFAULT_DIGEST)) != NULL
682 && !OSSL_PARAM_set_utf8_string(p, EC_DEFAULT_MD))
685 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_DEFAULT_DIGEST)) != NULL
686 && !OSSL_PARAM_set_utf8_string(p, SM2_DEFAULT_MD))
690 /* SM2 doesn't support this PARAM */
692 p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_USE_COFACTOR_ECDH);
694 int ecdh_cofactor_mode = 0;
697 (EC_KEY_get_flags(eck) & EC_FLAG_COFACTOR_ECDH) ? 1 : 0;
699 if (!OSSL_PARAM_set_int(p, ecdh_cofactor_mode))
703 if ((p = OSSL_PARAM_locate(params,
704 OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY)) != NULL) {
705 p->return_size = EC_POINT_point2oct(EC_KEY_get0_group(key),
706 EC_KEY_get0_public_key(key),
707 POINT_CONVERSION_UNCOMPRESSED,
708 p->data, p->return_size, bnctx);
709 if (p->return_size == 0)
713 ret = ec_get_ecm_params(ecg, params)
714 && ossl_ec_group_todata(ecg, NULL, params, libctx, propq, bnctx,
716 && key_to_params(eck, NULL, params, 1, &pub_key)
717 && otherparams_to_params(eck, NULL, params);
719 OPENSSL_free(genbuf);
720 OPENSSL_free(pub_key);
727 int ec_get_params(void *key, OSSL_PARAM params[])
729 return common_get_params(key, params, 0);
732 #ifndef OPENSSL_NO_EC2M
733 # define EC2M_GETTABLE_DOM_PARAMS \
734 OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_CHAR2_M, NULL), \
735 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_CHAR2_TYPE, NULL, 0), \
736 OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_CHAR2_TP_BASIS, NULL), \
737 OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_CHAR2_PP_K1, NULL), \
738 OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_CHAR2_PP_K2, NULL), \
739 OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_CHAR2_PP_K3, NULL),
741 # define EC2M_GETTABLE_DOM_PARAMS
744 static const OSSL_PARAM ec_known_gettable_params[] = {
745 OSSL_PARAM_int(OSSL_PKEY_PARAM_BITS, NULL),
746 OSSL_PARAM_int(OSSL_PKEY_PARAM_SECURITY_BITS, NULL),
747 OSSL_PARAM_int(OSSL_PKEY_PARAM_MAX_SIZE, NULL),
748 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_DEFAULT_DIGEST, NULL, 0),
749 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, NULL, 0),
750 EC_IMEXPORTABLE_DOM_PARAMETERS,
751 EC2M_GETTABLE_DOM_PARAMS
752 EC_IMEXPORTABLE_PUBLIC_KEY,
753 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_PUB_X, NULL, 0),
754 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_PUB_Y, NULL, 0),
755 EC_IMEXPORTABLE_PRIVATE_KEY,
756 EC_IMEXPORTABLE_OTHER_PARAMETERS,
761 const OSSL_PARAM *ec_gettable_params(void *provctx)
763 return ec_known_gettable_params;
766 static const OSSL_PARAM ec_known_settable_params[] = {
767 OSSL_PARAM_int(OSSL_PKEY_PARAM_USE_COFACTOR_ECDH, NULL),
768 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, NULL, 0),
769 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_ENCODING, NULL, 0),
770 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT, NULL, 0),
771 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_SEED, NULL, 0),
772 OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_INCLUDE_PUBLIC, NULL),
773 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_GROUP_CHECK_TYPE, NULL, 0),
778 const OSSL_PARAM *ec_settable_params(void *provctx)
780 return ec_known_settable_params;
784 int ec_set_params(void *key, const OSSL_PARAM params[])
795 if (!ossl_ec_group_set_params((EC_GROUP *)EC_KEY_get0_group(key), params))
798 p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY);
800 BN_CTX *ctx = BN_CTX_new_ex(ossl_ec_key_get_libctx(key));
804 || p->data_type != OSSL_PARAM_OCTET_STRING
805 || !EC_KEY_oct2key(key, p->data, p->data_size, ctx))
812 return ossl_ec_key_otherparams_fromdata(eck, params);
816 # ifndef OPENSSL_NO_SM2
818 int sm2_get_params(void *key, OSSL_PARAM params[])
820 return common_get_params(key, params, 1);
823 static const OSSL_PARAM sm2_known_gettable_params[] = {
824 OSSL_PARAM_int(OSSL_PKEY_PARAM_BITS, NULL),
825 OSSL_PARAM_int(OSSL_PKEY_PARAM_SECURITY_BITS, NULL),
826 OSSL_PARAM_int(OSSL_PKEY_PARAM_MAX_SIZE, NULL),
827 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_DEFAULT_DIGEST, NULL, 0),
828 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, NULL, 0),
829 EC_IMEXPORTABLE_DOM_PARAMETERS,
830 EC_IMEXPORTABLE_PUBLIC_KEY,
831 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_PUB_X, NULL, 0),
832 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_PUB_Y, NULL, 0),
833 EC_IMEXPORTABLE_PRIVATE_KEY,
838 const OSSL_PARAM *sm2_gettable_params(ossl_unused void *provctx)
840 return sm2_known_gettable_params;
843 static const OSSL_PARAM sm2_known_settable_params[] = {
844 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, NULL, 0),
849 const OSSL_PARAM *sm2_settable_params(ossl_unused void *provctx)
851 return sm2_known_settable_params;
855 int sm2_validate(const void *keydata, int selection, int checktype)
857 const EC_KEY *eck = keydata;
861 if (!ossl_prov_is_running())
864 if ((selection & EC_POSSIBLE_SELECTIONS) == 0)
865 return 1; /* nothing to validate */
867 ctx = BN_CTX_new_ex(ossl_ec_key_get_libctx(eck));
871 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0)
872 ok = ok && EC_GROUP_check(EC_KEY_get0_group(eck), ctx);
874 if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0) {
875 if (checktype == OSSL_KEYMGMT_VALIDATE_QUICK_CHECK)
876 ok = ok && ossl_ec_key_public_check_quick(eck, ctx);
878 ok = ok && ossl_ec_key_public_check(eck, ctx);
881 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
882 ok = ok && ossl_sm2_key_private_check(eck);
884 if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == OSSL_KEYMGMT_SELECT_KEYPAIR)
885 ok = ok && ossl_ec_key_pairwise_check(eck, ctx);
894 int ec_validate(const void *keydata, int selection, int checktype)
896 const EC_KEY *eck = keydata;
900 if (!ossl_prov_is_running())
903 ctx = BN_CTX_new_ex(ossl_ec_key_get_libctx(eck));
907 if ((selection & EC_POSSIBLE_SELECTIONS) == 0)
908 return 1; /* nothing to validate */
910 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0) {
911 int flags = EC_KEY_get_flags(eck);
913 if ((flags & EC_FLAG_CHECK_NAMED_GROUP) != 0)
914 ok = ok && EC_GROUP_check_named_curve(EC_KEY_get0_group(eck),
915 (flags & EC_FLAG_CHECK_NAMED_GROUP_NIST) != 0, ctx);
917 ok = ok && EC_GROUP_check(EC_KEY_get0_group(eck), ctx);
920 if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0) {
921 if (checktype == OSSL_KEYMGMT_VALIDATE_QUICK_CHECK)
922 ok = ok && ossl_ec_key_public_check_quick(eck, ctx);
924 ok = ok && ossl_ec_key_public_check(eck, ctx);
927 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
928 ok = ok && ossl_ec_key_private_check(eck);
930 if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == OSSL_KEYMGMT_SELECT_KEYPAIR)
931 ok = ok && ossl_ec_key_pairwise_check(eck, ctx);
938 OSSL_LIB_CTX *libctx;
944 BIGNUM *p, *a, *b, *order, *cofactor;
945 unsigned char *gen, *seed;
946 size_t gen_len, seed_len;
952 static void *ec_gen_init(void *provctx, int selection,
953 const OSSL_PARAM params[])
955 OSSL_LIB_CTX *libctx = PROV_LIBCTX_OF(provctx);
956 struct ec_gen_ctx *gctx = NULL;
958 if (!ossl_prov_is_running() || (selection & (EC_POSSIBLE_SELECTIONS)) == 0)
961 if ((gctx = OPENSSL_zalloc(sizeof(*gctx))) != NULL) {
962 gctx->libctx = libctx;
963 gctx->selection = selection;
966 if (!ec_gen_set_params(gctx, params)) {
974 # ifndef OPENSSL_NO_SM2
975 static void *sm2_gen_init(void *provctx, int selection,
976 const OSSL_PARAM params[])
978 struct ec_gen_ctx *gctx = ec_gen_init(provctx, selection, params);
981 if (gctx->group_name != NULL)
983 if ((gctx->group_name = OPENSSL_strdup("sm2")) != NULL)
985 ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
986 ec_gen_cleanup(gctx);
993 static int ec_gen_set_group(void *genctx, const EC_GROUP *src)
995 struct ec_gen_ctx *gctx = genctx;
998 group = EC_GROUP_dup(src);
1000 ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_CURVE);
1003 EC_GROUP_free(gctx->gen_group);
1004 gctx->gen_group = group;
1008 static int ec_gen_set_template(void *genctx, void *templ)
1010 struct ec_gen_ctx *gctx = genctx;
1012 const EC_GROUP *ec_group;
1014 if (!ossl_prov_is_running() || gctx == NULL || ec == NULL)
1016 if ((ec_group = EC_KEY_get0_group(ec)) == NULL)
1018 return ec_gen_set_group(gctx, ec_group);
1021 #define COPY_INT_PARAM(params, key, val) \
1022 p = OSSL_PARAM_locate_const(params, key); \
1023 if (p != NULL && !OSSL_PARAM_get_int(p, &val)) \
1026 #define COPY_UTF8_PARAM(params, key, val) \
1027 p = OSSL_PARAM_locate_const(params, key); \
1029 if (p->data_type != OSSL_PARAM_UTF8_STRING) \
1031 OPENSSL_free(val); \
1032 val = OPENSSL_strdup(p->data); \
1037 #define COPY_OCTET_PARAM(params, key, val, len) \
1038 p = OSSL_PARAM_locate_const(params, key); \
1040 if (p->data_type != OSSL_PARAM_OCTET_STRING) \
1042 OPENSSL_free(val); \
1043 len = p->data_size; \
1044 val = OPENSSL_memdup(p->data, p->data_size); \
1049 #define COPY_BN_PARAM(params, key, bn) \
1050 p = OSSL_PARAM_locate_const(params, key); \
1054 if (bn == NULL || !OSSL_PARAM_get_BN(p, &bn)) \
1058 static int ec_gen_set_params(void *genctx, const OSSL_PARAM params[])
1061 struct ec_gen_ctx *gctx = genctx;
1062 const OSSL_PARAM *p;
1063 EC_GROUP *group = NULL;
1065 COPY_INT_PARAM(params, OSSL_PKEY_PARAM_USE_COFACTOR_ECDH, gctx->ecdh_mode);
1067 COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_GROUP_NAME, gctx->group_name);
1068 COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_EC_FIELD_TYPE, gctx->field_type);
1069 COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_EC_ENCODING, gctx->encoding);
1070 COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT, gctx->pt_format);
1071 COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_EC_GROUP_CHECK_TYPE, gctx->group_check);
1073 COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_P, gctx->p);
1074 COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_A, gctx->a);
1075 COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_B, gctx->b);
1076 COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_ORDER, gctx->order);
1077 COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_COFACTOR, gctx->cofactor);
1079 COPY_OCTET_PARAM(params, OSSL_PKEY_PARAM_EC_SEED, gctx->seed, gctx->seed_len);
1080 COPY_OCTET_PARAM(params, OSSL_PKEY_PARAM_EC_GENERATOR, gctx->gen,
1085 EC_GROUP_free(group);
1089 static int ec_gen_set_group_from_params(struct ec_gen_ctx *gctx)
1092 OSSL_PARAM_BLD *bld;
1093 OSSL_PARAM *params = NULL;
1094 EC_GROUP *group = NULL;
1096 bld = OSSL_PARAM_BLD_new();
1100 if (gctx->encoding != NULL
1101 && !OSSL_PARAM_BLD_push_utf8_string(bld, OSSL_PKEY_PARAM_EC_ENCODING,
1105 if (gctx->pt_format != NULL
1106 && !OSSL_PARAM_BLD_push_utf8_string(bld,
1107 OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT,
1108 gctx->pt_format, 0))
1111 if (gctx->group_name != NULL) {
1112 if (!OSSL_PARAM_BLD_push_utf8_string(bld, OSSL_PKEY_PARAM_GROUP_NAME,
1113 gctx->group_name, 0))
1115 /* Ignore any other parameters if there is a group name */
1117 } else if (gctx->field_type != NULL) {
1118 if (!OSSL_PARAM_BLD_push_utf8_string(bld, OSSL_PKEY_PARAM_EC_FIELD_TYPE,
1119 gctx->field_type, 0))
1127 || gctx->order == NULL
1128 || !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_P, gctx->p)
1129 || !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_A, gctx->a)
1130 || !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_B, gctx->b)
1131 || !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_ORDER, gctx->order))
1134 if (gctx->cofactor != NULL
1135 && !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_COFACTOR,
1139 if (gctx->seed != NULL
1140 && !OSSL_PARAM_BLD_push_octet_string(bld, OSSL_PKEY_PARAM_EC_SEED,
1141 gctx->seed, gctx->seed_len))
1144 if (gctx->gen == NULL
1145 || !OSSL_PARAM_BLD_push_octet_string(bld, OSSL_PKEY_PARAM_EC_GENERATOR,
1146 gctx->gen, gctx->gen_len))
1149 params = OSSL_PARAM_BLD_to_param(bld);
1152 group = EC_GROUP_new_from_params(params, gctx->libctx, NULL);
1156 EC_GROUP_free(gctx->gen_group);
1157 gctx->gen_group = group;
1161 OSSL_PARAM_BLD_free_params(params);
1162 OSSL_PARAM_BLD_free(bld);
1166 static const OSSL_PARAM *ec_gen_settable_params(ossl_unused void *genctx,
1167 ossl_unused void *provctx)
1169 static OSSL_PARAM settable[] = {
1170 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_GROUP_NAME, NULL, 0),
1171 OSSL_PARAM_int(OSSL_PKEY_PARAM_USE_COFACTOR_ECDH, NULL),
1172 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_ENCODING, NULL, 0),
1173 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT, NULL, 0),
1174 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_FIELD_TYPE, NULL, 0),
1175 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_P, NULL, 0),
1176 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_A, NULL, 0),
1177 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_B, NULL, 0),
1178 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_GENERATOR, NULL, 0),
1179 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_ORDER, NULL, 0),
1180 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_COFACTOR, NULL, 0),
1181 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_SEED, NULL, 0),
1188 static int ec_gen_assign_group(EC_KEY *ec, EC_GROUP *group)
1190 if (group == NULL) {
1191 ERR_raise(ERR_LIB_PROV, PROV_R_NO_PARAMETERS_SET);
1194 return EC_KEY_set_group(ec, group) > 0;
1198 * The callback arguments (osslcb & cbarg) are not used by EC_KEY generation
1200 static void *ec_gen(void *genctx, OSSL_CALLBACK *osslcb, void *cbarg)
1202 struct ec_gen_ctx *gctx = genctx;
1206 if (!ossl_prov_is_running()
1208 || (ec = EC_KEY_new_ex(gctx->libctx, NULL)) == NULL)
1211 if (gctx->gen_group == NULL) {
1212 if (!ec_gen_set_group_from_params(gctx))
1215 if (gctx->encoding != NULL) {
1216 int flags = ossl_ec_encoding_name2id(gctx->encoding);
1220 EC_GROUP_set_asn1_flag(gctx->gen_group, flags);
1222 if (gctx->pt_format != NULL) {
1223 int format = ossl_ec_pt_format_name2id(gctx->pt_format);
1227 EC_GROUP_set_point_conversion_form(gctx->gen_group, format);
1231 /* We must always assign a group, no matter what */
1232 ret = ec_gen_assign_group(ec, gctx->gen_group);
1234 /* Whether you want it or not, you get a keypair, not just one half */
1235 if ((gctx->selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0)
1236 ret = ret && EC_KEY_generate_key(ec);
1238 if (gctx->ecdh_mode != -1)
1239 ret = ret && ossl_ec_set_ecdh_cofactor_mode(ec, gctx->ecdh_mode);
1241 if (gctx->group_check != NULL)
1242 ret = ret && ossl_ec_set_check_group_type_from_name(ec, gctx->group_check);
1246 /* Something went wrong, throw the key away */
1252 # ifndef OPENSSL_NO_SM2
1254 * The callback arguments (osslcb & cbarg) are not used by EC_KEY generation
1256 static void *sm2_gen(void *genctx, OSSL_CALLBACK *osslcb, void *cbarg)
1258 struct ec_gen_ctx *gctx = genctx;
1263 || (ec = EC_KEY_new_ex(gctx->libctx, NULL)) == NULL)
1266 if (gctx->gen_group == NULL) {
1267 if (!ec_gen_set_group_from_params(gctx))
1270 if (gctx->encoding) {
1271 int flags = ossl_ec_encoding_name2id(gctx->encoding);
1275 EC_GROUP_set_asn1_flag(gctx->gen_group, flags);
1277 if (gctx->pt_format != NULL) {
1278 int format = ossl_ec_pt_format_name2id(gctx->pt_format);
1282 EC_GROUP_set_point_conversion_form(gctx->gen_group, format);
1286 /* We must always assign a group, no matter what */
1287 ret = ec_gen_assign_group(ec, gctx->gen_group);
1289 /* Whether you want it or not, you get a keypair, not just one half */
1290 if ((gctx->selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0) {
1292 * For SM2, we need a new flag to indicate the 'generate' function
1293 * to use a new range
1295 EC_KEY_set_flags(ec, EC_FLAG_SM2_RANGE);
1296 ret = ret && EC_KEY_generate_key(ec);
1302 /* Something went wrong, throw the key away */
1309 static void ec_gen_cleanup(void *genctx)
1311 struct ec_gen_ctx *gctx = genctx;
1316 EC_GROUP_free(gctx->gen_group);
1320 BN_free(gctx->order);
1321 BN_free(gctx->cofactor);
1322 OPENSSL_free(gctx->group_name);
1323 OPENSSL_free(gctx->field_type);
1324 OPENSSL_free(gctx->pt_format);
1325 OPENSSL_free(gctx->encoding);
1326 OPENSSL_free(gctx->seed);
1327 OPENSSL_free(gctx->gen);
1331 static void *common_load(const void *reference, size_t reference_sz,
1336 if (ossl_prov_is_running() && reference_sz == sizeof(ec)) {
1337 /* The contents of the reference is the address to our object */
1338 ec = *(EC_KEY **)reference;
1340 if (!common_check_sm2(ec, sm2_wanted))
1343 /* We grabbed, so we detach it */
1344 *(EC_KEY **)reference = NULL;
1350 static void *ec_load(const void *reference, size_t reference_sz)
1352 return common_load(reference, reference_sz, 0);
1356 # ifndef OPENSSL_NO_SM2
1357 static void *sm2_load(const void *reference, size_t reference_sz)
1359 return common_load(reference, reference_sz, 1);
1364 const OSSL_DISPATCH ossl_ec_keymgmt_functions[] = {
1365 { OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))ec_newdata },
1366 { OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))ec_gen_init },
1367 { OSSL_FUNC_KEYMGMT_GEN_SET_TEMPLATE,
1368 (void (*)(void))ec_gen_set_template },
1369 { OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS, (void (*)(void))ec_gen_set_params },
1370 { OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS,
1371 (void (*)(void))ec_gen_settable_params },
1372 { OSSL_FUNC_KEYMGMT_GEN, (void (*)(void))ec_gen },
1373 { OSSL_FUNC_KEYMGMT_GEN_CLEANUP, (void (*)(void))ec_gen_cleanup },
1374 { OSSL_FUNC_KEYMGMT_LOAD, (void (*)(void))ec_load },
1375 { OSSL_FUNC_KEYMGMT_FREE, (void (*)(void))ec_freedata },
1376 { OSSL_FUNC_KEYMGMT_GET_PARAMS, (void (*) (void))ec_get_params },
1377 { OSSL_FUNC_KEYMGMT_GETTABLE_PARAMS, (void (*) (void))ec_gettable_params },
1378 { OSSL_FUNC_KEYMGMT_SET_PARAMS, (void (*) (void))ec_set_params },
1379 { OSSL_FUNC_KEYMGMT_SETTABLE_PARAMS, (void (*) (void))ec_settable_params },
1380 { OSSL_FUNC_KEYMGMT_HAS, (void (*)(void))ec_has },
1381 { OSSL_FUNC_KEYMGMT_MATCH, (void (*)(void))ec_match },
1382 { OSSL_FUNC_KEYMGMT_VALIDATE, (void (*)(void))ec_validate },
1383 { OSSL_FUNC_KEYMGMT_IMPORT, (void (*)(void))ec_import },
1384 { OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))ec_import_types },
1385 { OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))ec_export },
1386 { OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))ec_export_types },
1387 { OSSL_FUNC_KEYMGMT_QUERY_OPERATION_NAME,
1388 (void (*)(void))ec_query_operation_name },
1393 # ifndef OPENSSL_NO_SM2
1394 const OSSL_DISPATCH ossl_sm2_keymgmt_functions[] = {
1395 { OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))sm2_newdata },
1396 { OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))sm2_gen_init },
1397 { OSSL_FUNC_KEYMGMT_GEN_SET_TEMPLATE,
1398 (void (*)(void))ec_gen_set_template },
1399 { OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS, (void (*)(void))ec_gen_set_params },
1400 { OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS,
1401 (void (*)(void))ec_gen_settable_params },
1402 { OSSL_FUNC_KEYMGMT_GEN, (void (*)(void))sm2_gen },
1403 { OSSL_FUNC_KEYMGMT_GEN_CLEANUP, (void (*)(void))ec_gen_cleanup },
1404 { OSSL_FUNC_KEYMGMT_LOAD, (void (*)(void))sm2_load },
1405 { OSSL_FUNC_KEYMGMT_FREE, (void (*)(void))ec_freedata },
1406 { OSSL_FUNC_KEYMGMT_GET_PARAMS, (void (*) (void))sm2_get_params },
1407 { OSSL_FUNC_KEYMGMT_GETTABLE_PARAMS, (void (*) (void))sm2_gettable_params },
1408 { OSSL_FUNC_KEYMGMT_SET_PARAMS, (void (*) (void))ec_set_params },
1409 { OSSL_FUNC_KEYMGMT_SETTABLE_PARAMS, (void (*) (void))sm2_settable_params },
1410 { OSSL_FUNC_KEYMGMT_HAS, (void (*)(void))ec_has },
1411 { OSSL_FUNC_KEYMGMT_MATCH, (void (*)(void))ec_match },
1412 { OSSL_FUNC_KEYMGMT_VALIDATE, (void (*)(void))sm2_validate },
1413 { OSSL_FUNC_KEYMGMT_IMPORT, (void (*)(void))sm2_import },
1414 { OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))ec_import_types },
1415 { OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))ec_export },
1416 { OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))ec_export_types },
1417 { OSSL_FUNC_KEYMGMT_QUERY_OPERATION_NAME,
1418 (void (*)(void))sm2_query_operation_name },