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;
58 static OSSL_FUNC_keymgmt_dup_fn ec_dup;
60 # ifndef OPENSSL_NO_SM2
61 static OSSL_FUNC_keymgmt_new_fn sm2_newdata;
62 static OSSL_FUNC_keymgmt_gen_init_fn sm2_gen_init;
63 static OSSL_FUNC_keymgmt_gen_fn sm2_gen;
64 static OSSL_FUNC_keymgmt_get_params_fn sm2_get_params;
65 static OSSL_FUNC_keymgmt_gettable_params_fn sm2_gettable_params;
66 static OSSL_FUNC_keymgmt_settable_params_fn sm2_settable_params;
67 static OSSL_FUNC_keymgmt_import_fn sm2_import;
68 static OSSL_FUNC_keymgmt_query_operation_name_fn sm2_query_operation_name;
69 static OSSL_FUNC_keymgmt_validate_fn sm2_validate;
73 #define EC_DEFAULT_MD "SHA256"
74 #define EC_POSSIBLE_SELECTIONS \
75 (OSSL_KEYMGMT_SELECT_KEYPAIR | OSSL_KEYMGMT_SELECT_ALL_PARAMETERS)
76 #define SM2_DEFAULT_MD "SM3"
79 const char *ec_query_operation_name(int operation_id)
81 switch (operation_id) {
84 case OSSL_OP_SIGNATURE:
91 # ifndef OPENSSL_NO_SM2
93 const char *sm2_query_operation_name(int operation_id)
95 switch (operation_id) {
96 case OSSL_OP_SIGNATURE:
105 * Callers of key_to_params MUST make sure that domparams_to_params is also
108 * This function only exports the bare keypair, domain parameters and other
109 * parameters are exported separately.
112 int key_to_params(const EC_KEY *eckey, OSSL_PARAM_BLD *tmpl,
113 OSSL_PARAM params[], int include_private,
114 unsigned char **pub_key)
116 BIGNUM *x = NULL, *y = NULL;
117 const BIGNUM *priv_key = NULL;
118 const EC_POINT *pub_point = NULL;
119 const EC_GROUP *ecg = NULL;
120 size_t pub_key_len = 0;
122 BN_CTX *bnctx = NULL;
125 || (ecg = EC_KEY_get0_group(eckey)) == NULL)
128 priv_key = EC_KEY_get0_private_key(eckey);
129 pub_point = EC_KEY_get0_public_key(eckey);
131 if (pub_point != NULL) {
132 OSSL_PARAM *p = NULL, *px = NULL, *py = NULL;
134 * EC_POINT_point2buf() can generate random numbers in some
135 * implementations so we need to ensure we use the correct libctx.
137 bnctx = BN_CTX_new_ex(ossl_ec_key_get_libctx(eckey));
142 /* If we are doing a get then check first before decoding the point */
144 p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_PUB_KEY);
145 px = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_EC_PUB_X);
146 py = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_EC_PUB_Y);
149 if (p != NULL || tmpl != NULL) {
150 /* convert pub_point to a octet string according to the SECG standard */
151 if ((pub_key_len = EC_POINT_point2buf(ecg, pub_point,
152 POINT_CONVERSION_COMPRESSED,
153 pub_key, bnctx)) == 0
154 || !ossl_param_build_set_octet_string(tmpl, p,
155 OSSL_PKEY_PARAM_PUB_KEY,
156 *pub_key, pub_key_len))
159 if (px != NULL || py != NULL) {
161 x = BN_CTX_get(bnctx);
163 y = BN_CTX_get(bnctx);
165 if (!EC_POINT_get_affine_coordinates(ecg, pub_point, x, y, bnctx))
168 && !ossl_param_build_set_bn(tmpl, px,
169 OSSL_PKEY_PARAM_EC_PUB_X, x))
172 && !ossl_param_build_set_bn(tmpl, py,
173 OSSL_PKEY_PARAM_EC_PUB_Y, y))
178 if (priv_key != NULL && include_private) {
183 * Key import/export should never leak the bit length of the secret
186 * For this reason, on export we use padded BIGNUMs with fixed length.
188 * When importing we also should make sure that, even if short lived,
189 * the newly created BIGNUM is marked with the BN_FLG_CONSTTIME flag as
190 * soon as possible, so that any processing of this BIGNUM might opt for
191 * constant time implementations in the backend.
193 * Setting the BN_FLG_CONSTTIME flag alone is never enough, we also have
194 * to preallocate the BIGNUM internal buffer to a fixed public size big
195 * enough that operations performed during the processing never trigger
196 * a realloc which would leak the size of the scalar through memory
202 * The order of the large prime subgroup of the curve is our choice for
203 * a fixed public size, as that is generally the upper bound for
204 * generating a private key in EC cryptosystems and should fit all valid
207 * For padding on export we just use the bit length of the order
208 * converted to bytes (rounding up).
210 * For preallocating the BIGNUM storage we look at the number of "words"
211 * required for the internal representation of the order, and we
212 * preallocate 2 extra "words" in case any of the subsequent processing
213 * might temporarily overflow the order length.
215 ecbits = EC_GROUP_order_bits(ecg);
218 sz = (ecbits + 7 ) / 8;
220 if (!ossl_param_build_set_bn_pad(tmpl, params,
221 OSSL_PKEY_PARAM_PRIV_KEY,
232 int otherparams_to_params(const EC_KEY *ec, OSSL_PARAM_BLD *tmpl,
235 int ecdh_cofactor_mode = 0, group_check = 0;
236 const char *name = NULL;
237 point_conversion_form_t format;
242 format = EC_KEY_get_conv_form(ec);
243 name = ossl_ec_pt_format_id2name((int)format);
245 && !ossl_param_build_set_utf8_string(tmpl, params,
246 OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT,
250 group_check = EC_KEY_get_flags(ec) & EC_FLAG_CHECK_NAMED_GROUP_MASK;
251 name = ossl_ec_check_group_type_id2name(group_check);
253 && !ossl_param_build_set_utf8_string(tmpl, params,
254 OSSL_PKEY_PARAM_EC_GROUP_CHECK_TYPE,
258 if ((EC_KEY_get_enc_flags(ec) & EC_PKEY_NO_PUBKEY) != 0
259 && !ossl_param_build_set_int(tmpl, params,
260 OSSL_PKEY_PARAM_EC_INCLUDE_PUBLIC, 0))
264 (EC_KEY_get_flags(ec) & EC_FLAG_COFACTOR_ECDH) ? 1 : 0;
265 return ossl_param_build_set_int(tmpl, params,
266 OSSL_PKEY_PARAM_USE_COFACTOR_ECDH,
271 void *ec_newdata(void *provctx)
273 if (!ossl_prov_is_running())
275 return EC_KEY_new_ex(PROV_LIBCTX_OF(provctx), NULL);
279 # ifndef OPENSSL_NO_SM2
281 void *sm2_newdata(void *provctx)
283 if (!ossl_prov_is_running())
285 return EC_KEY_new_by_curve_name_ex(PROV_LIBCTX_OF(provctx), NULL, NID_sm2);
291 void ec_freedata(void *keydata)
293 EC_KEY_free(keydata);
297 int ec_has(const void *keydata, int selection)
299 const EC_KEY *ec = keydata;
302 if (!ossl_prov_is_running() || ec == NULL)
304 if ((selection & EC_POSSIBLE_SELECTIONS) == 0)
305 return 1; /* the selection is not missing */
307 if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0)
308 ok = ok && (EC_KEY_get0_public_key(ec) != NULL);
309 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
310 ok = ok && (EC_KEY_get0_private_key(ec) != NULL);
311 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0)
312 ok = ok && (EC_KEY_get0_group(ec) != NULL);
314 * We consider OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS to always be
315 * available, so no extra check is needed other than the previous one
316 * against EC_POSSIBLE_SELECTIONS.
321 static int ec_match(const void *keydata1, const void *keydata2, int selection)
323 const EC_KEY *ec1 = keydata1;
324 const EC_KEY *ec2 = keydata2;
325 const EC_GROUP *group_a = EC_KEY_get0_group(ec1);
326 const EC_GROUP *group_b = EC_KEY_get0_group(ec2);
330 if (!ossl_prov_is_running())
333 ctx = BN_CTX_new_ex(ossl_ec_key_get_libctx(ec1));
337 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0)
338 ok = ok && group_a != NULL && group_b != NULL
339 && EC_GROUP_cmp(group_a, group_b, ctx) == 0;
340 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0) {
341 const BIGNUM *pa = EC_KEY_get0_private_key(ec1);
342 const BIGNUM *pb = EC_KEY_get0_private_key(ec2);
344 ok = ok && BN_cmp(pa, pb) == 0;
346 if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0) {
347 const EC_POINT *pa = EC_KEY_get0_public_key(ec1);
348 const EC_POINT *pb = EC_KEY_get0_public_key(ec2);
350 ok = ok && EC_POINT_cmp(group_b, pa, pb, ctx) == 0;
356 static int common_check_sm2(const EC_KEY *ec, int sm2_wanted)
358 const EC_GROUP *ecg = NULL;
361 * sm2_wanted: import the keys or domparams only on SM2 Curve
362 * !sm2_wanted: import the keys or domparams only not on SM2 Curve
364 if ((ecg = EC_KEY_get0_group(ec)) == NULL
365 || (sm2_wanted ^ (EC_GROUP_get_curve_name(ecg) == NID_sm2)))
371 int common_import(void *keydata, int selection, const OSSL_PARAM params[],
374 EC_KEY *ec = keydata;
377 if (!ossl_prov_is_running() || ec == NULL)
381 * In this implementation, we can export/import only keydata in the
382 * following combinations:
383 * - domain parameters (+optional other params)
384 * - public key with associated domain parameters (+optional other params)
385 * - private key with associated domain parameters and optional public key
386 * (+optional other params)
389 * - domain parameters must always be requested
390 * - private key must be requested alongside public key
391 * - other parameters are always optional
393 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) == 0)
396 ok = ok && ossl_ec_group_fromdata(ec, params);
398 if (!common_check_sm2(ec, sm2_wanted))
401 if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0) {
402 int include_private =
403 selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY ? 1 : 0;
405 ok = ok && ossl_ec_key_fromdata(ec, params, include_private);
407 if ((selection & OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS) != 0)
408 ok = ok && ossl_ec_key_otherparams_fromdata(ec, params);
414 int ec_import(void *keydata, int selection, const OSSL_PARAM params[])
416 return common_import(keydata, selection, params, 0);
420 # ifndef OPENSSL_NO_SM2
422 int sm2_import(void *keydata, int selection, const OSSL_PARAM params[])
424 return common_import(keydata, selection, params, 1);
430 int ec_export(void *keydata, int selection, OSSL_CALLBACK *param_cb,
433 EC_KEY *ec = keydata;
434 OSSL_PARAM_BLD *tmpl = NULL;
435 OSSL_PARAM *params = NULL;
436 unsigned char *pub_key = NULL, *genbuf = NULL;
437 BN_CTX *bnctx = NULL;
440 if (!ossl_prov_is_running() || ec == NULL)
444 * In this implementation, we can export/import only keydata in the
445 * following combinations:
446 * - domain parameters (+optional other params)
447 * - public key with associated domain parameters (+optional other params)
448 * - private key with associated public key and domain parameters
449 * (+optional other params)
452 * - domain parameters must always be requested
453 * - private key must be requested alongside public key
454 * - other parameters are always optional
456 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) == 0)
458 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0
459 && (selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) == 0)
461 if ((selection & OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS) != 0
462 && (selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0)
465 tmpl = OSSL_PARAM_BLD_new();
469 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0) {
470 bnctx = BN_CTX_new_ex(ossl_ec_key_get_libctx(ec));
476 ok = ok && ossl_ec_group_todata(EC_KEY_get0_group(ec), tmpl, NULL,
477 ossl_ec_key_get_libctx(ec),
478 ossl_ec_key_get0_propq(ec),
482 if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0) {
483 int include_private =
484 selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY ? 1 : 0;
486 ok = ok && key_to_params(ec, tmpl, NULL, include_private, &pub_key);
488 if ((selection & OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS) != 0)
489 ok = ok && otherparams_to_params(ec, tmpl, NULL);
491 if (ok && (params = OSSL_PARAM_BLD_to_param(tmpl)) != NULL)
492 ok = param_cb(params, cbarg);
494 OSSL_PARAM_free(params);
495 OSSL_PARAM_BLD_free(tmpl);
496 OPENSSL_free(pub_key);
497 OPENSSL_free(genbuf);
503 /* IMEXPORT = IMPORT + EXPORT */
505 # define EC_IMEXPORTABLE_DOM_PARAMETERS \
506 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_GROUP_NAME, NULL, 0), \
507 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_ENCODING, NULL, 0), \
508 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT, NULL, 0),\
509 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_FIELD_TYPE, NULL, 0), \
510 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_P, NULL, 0), \
511 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_A, NULL, 0), \
512 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_B, NULL, 0), \
513 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_GENERATOR, NULL, 0), \
514 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_ORDER, NULL, 0), \
515 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_COFACTOR, NULL, 0), \
516 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_SEED, NULL, 0)
518 # define EC_IMEXPORTABLE_PUBLIC_KEY \
519 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_PUB_KEY, NULL, 0)
520 # define EC_IMEXPORTABLE_PRIVATE_KEY \
521 OSSL_PARAM_BN(OSSL_PKEY_PARAM_PRIV_KEY, NULL, 0)
522 # define EC_IMEXPORTABLE_OTHER_PARAMETERS \
523 OSSL_PARAM_int(OSSL_PKEY_PARAM_USE_COFACTOR_ECDH, NULL), \
524 OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_INCLUDE_PUBLIC, NULL)
527 * Include all the possible combinations of OSSL_PARAM arrays for
528 * ec_imexport_types().
530 * They are in a separate file as it is ~100 lines of unreadable and
531 * uninteresting machine generated stuff.
533 #include "ec_kmgmt_imexport.inc"
536 const OSSL_PARAM *ec_imexport_types(int selection)
540 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
542 if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0)
544 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0)
546 if ((selection & OSSL_KEYMGMT_SELECT_OTHER_PARAMETERS) != 0)
548 return ec_types[type_select];
552 const OSSL_PARAM *ec_import_types(int selection)
554 return ec_imexport_types(selection);
558 const OSSL_PARAM *ec_export_types(int selection)
560 return ec_imexport_types(selection);
563 static int ec_get_ecm_params(const EC_GROUP *group, OSSL_PARAM params[])
565 #ifdef OPENSSL_NO_EC2M
569 unsigned int k1 = 0, k2 = 0, k3 = 0;
571 const char *basis_name = NULL;
572 int fid = EC_GROUP_get_field_type(group);
574 if (fid != NID_X9_62_characteristic_two_field)
577 basis_nid = EC_GROUP_get_basis_type(group);
578 if (basis_nid == NID_X9_62_tpBasis)
579 basis_name = SN_X9_62_tpBasis;
580 else if (basis_nid == NID_X9_62_ppBasis)
581 basis_name = SN_X9_62_ppBasis;
585 m = EC_GROUP_get_degree(group);
586 if (!ossl_param_build_set_int(NULL, params, OSSL_PKEY_PARAM_EC_CHAR2_M, m)
587 || !ossl_param_build_set_utf8_string(NULL, params,
588 OSSL_PKEY_PARAM_EC_CHAR2_TYPE,
592 if (basis_nid == NID_X9_62_tpBasis) {
593 if (!EC_GROUP_get_trinomial_basis(group, &k1)
594 || !ossl_param_build_set_int(NULL, params,
595 OSSL_PKEY_PARAM_EC_CHAR2_TP_BASIS,
599 if (!EC_GROUP_get_pentanomial_basis(group, &k1, &k2, &k3)
600 || !ossl_param_build_set_int(NULL, params,
601 OSSL_PKEY_PARAM_EC_CHAR2_PP_K1, (int)k1)
602 || !ossl_param_build_set_int(NULL, params,
603 OSSL_PKEY_PARAM_EC_CHAR2_PP_K2, (int)k2)
604 || !ossl_param_build_set_int(NULL, params,
605 OSSL_PKEY_PARAM_EC_CHAR2_PP_K3, (int)k3))
611 #endif /* OPENSSL_NO_EC2M */
615 int common_get_params(void *key, OSSL_PARAM params[], int sm2)
619 const EC_GROUP *ecg = NULL;
621 unsigned char *pub_key = NULL, *genbuf = NULL;
622 OSSL_LIB_CTX *libctx;
624 BN_CTX *bnctx = NULL;
626 ecg = EC_KEY_get0_group(eck);
630 libctx = ossl_ec_key_get_libctx(eck);
631 propq = ossl_ec_key_get0_propq(eck);
633 bnctx = BN_CTX_new_ex(libctx);
638 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_MAX_SIZE)) != NULL
639 && !OSSL_PARAM_set_int(p, ECDSA_size(eck)))
641 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_BITS)) != NULL
642 && !OSSL_PARAM_set_int(p, EC_GROUP_order_bits(ecg)))
644 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_SECURITY_BITS)) != NULL) {
645 int ecbits, sec_bits;
647 ecbits = EC_GROUP_order_bits(ecg);
650 * The following estimates are based on the values published
651 * in Table 2 of "NIST Special Publication 800-57 Part 1 Revision 4"
652 * at http://dx.doi.org/10.6028/NIST.SP.800-57pt1r4 .
654 * Note that the above reference explicitly categorizes algorithms in a
655 * discrete set of values {80, 112, 128, 192, 256}, and that it is
656 * relevant only for NIST approved Elliptic Curves, while OpenSSL
657 * applies the same logic also to other curves.
659 * Classifications produced by other standardazing bodies might differ,
660 * so the results provided for "bits of security" by this provider are
661 * to be considered merely indicative, and it is the users'
662 * responsibility to compare these values against the normative
663 * references that may be relevant for their intent and purposes.
667 else if (ecbits >= 384)
669 else if (ecbits >= 256)
671 else if (ecbits >= 224)
673 else if (ecbits >= 160)
676 sec_bits = ecbits / 2;
678 if (!OSSL_PARAM_set_int(p, sec_bits))
683 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_DEFAULT_DIGEST)) != NULL
684 && !OSSL_PARAM_set_utf8_string(p, EC_DEFAULT_MD))
687 if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_DEFAULT_DIGEST)) != NULL
688 && !OSSL_PARAM_set_utf8_string(p, SM2_DEFAULT_MD))
692 /* SM2 doesn't support this PARAM */
694 p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_USE_COFACTOR_ECDH);
696 int ecdh_cofactor_mode = 0;
699 (EC_KEY_get_flags(eck) & EC_FLAG_COFACTOR_ECDH) ? 1 : 0;
701 if (!OSSL_PARAM_set_int(p, ecdh_cofactor_mode))
705 if ((p = OSSL_PARAM_locate(params,
706 OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY)) != NULL) {
707 p->return_size = EC_POINT_point2oct(EC_KEY_get0_group(key),
708 EC_KEY_get0_public_key(key),
709 POINT_CONVERSION_UNCOMPRESSED,
710 p->data, p->return_size, bnctx);
711 if (p->return_size == 0)
715 ret = ec_get_ecm_params(ecg, params)
716 && ossl_ec_group_todata(ecg, NULL, params, libctx, propq, bnctx,
718 && key_to_params(eck, NULL, params, 1, &pub_key)
719 && otherparams_to_params(eck, NULL, params);
721 OPENSSL_free(genbuf);
722 OPENSSL_free(pub_key);
729 int ec_get_params(void *key, OSSL_PARAM params[])
731 return common_get_params(key, params, 0);
734 #ifndef OPENSSL_NO_EC2M
735 # define EC2M_GETTABLE_DOM_PARAMS \
736 OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_CHAR2_M, NULL), \
737 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_CHAR2_TYPE, NULL, 0), \
738 OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_CHAR2_TP_BASIS, NULL), \
739 OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_CHAR2_PP_K1, NULL), \
740 OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_CHAR2_PP_K2, NULL), \
741 OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_CHAR2_PP_K3, NULL),
743 # define EC2M_GETTABLE_DOM_PARAMS
746 static const OSSL_PARAM ec_known_gettable_params[] = {
747 OSSL_PARAM_int(OSSL_PKEY_PARAM_BITS, NULL),
748 OSSL_PARAM_int(OSSL_PKEY_PARAM_SECURITY_BITS, NULL),
749 OSSL_PARAM_int(OSSL_PKEY_PARAM_MAX_SIZE, NULL),
750 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_DEFAULT_DIGEST, NULL, 0),
751 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, NULL, 0),
752 EC_IMEXPORTABLE_DOM_PARAMETERS,
753 EC2M_GETTABLE_DOM_PARAMS
754 EC_IMEXPORTABLE_PUBLIC_KEY,
755 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_PUB_X, NULL, 0),
756 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_PUB_Y, NULL, 0),
757 EC_IMEXPORTABLE_PRIVATE_KEY,
758 EC_IMEXPORTABLE_OTHER_PARAMETERS,
763 const OSSL_PARAM *ec_gettable_params(void *provctx)
765 return ec_known_gettable_params;
768 static const OSSL_PARAM ec_known_settable_params[] = {
769 OSSL_PARAM_int(OSSL_PKEY_PARAM_USE_COFACTOR_ECDH, NULL),
770 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, NULL, 0),
771 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_ENCODING, NULL, 0),
772 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT, NULL, 0),
773 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_SEED, NULL, 0),
774 OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_INCLUDE_PUBLIC, NULL),
775 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_GROUP_CHECK_TYPE, NULL, 0),
780 const OSSL_PARAM *ec_settable_params(void *provctx)
782 return ec_known_settable_params;
786 int ec_set_params(void *key, const OSSL_PARAM params[])
797 if (!ossl_ec_group_set_params((EC_GROUP *)EC_KEY_get0_group(key), params))
800 p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY);
802 BN_CTX *ctx = BN_CTX_new_ex(ossl_ec_key_get_libctx(key));
806 || p->data_type != OSSL_PARAM_OCTET_STRING
807 || !EC_KEY_oct2key(key, p->data, p->data_size, ctx))
814 return ossl_ec_key_otherparams_fromdata(eck, params);
818 # ifndef OPENSSL_NO_SM2
820 int sm2_get_params(void *key, OSSL_PARAM params[])
822 return common_get_params(key, params, 1);
825 static const OSSL_PARAM sm2_known_gettable_params[] = {
826 OSSL_PARAM_int(OSSL_PKEY_PARAM_BITS, NULL),
827 OSSL_PARAM_int(OSSL_PKEY_PARAM_SECURITY_BITS, NULL),
828 OSSL_PARAM_int(OSSL_PKEY_PARAM_MAX_SIZE, NULL),
829 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_DEFAULT_DIGEST, NULL, 0),
830 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, NULL, 0),
831 EC_IMEXPORTABLE_DOM_PARAMETERS,
832 EC_IMEXPORTABLE_PUBLIC_KEY,
833 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_PUB_X, NULL, 0),
834 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_PUB_Y, NULL, 0),
835 EC_IMEXPORTABLE_PRIVATE_KEY,
840 const OSSL_PARAM *sm2_gettable_params(ossl_unused void *provctx)
842 return sm2_known_gettable_params;
845 static const OSSL_PARAM sm2_known_settable_params[] = {
846 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, NULL, 0),
851 const OSSL_PARAM *sm2_settable_params(ossl_unused void *provctx)
853 return sm2_known_settable_params;
857 int sm2_validate(const void *keydata, int selection, int checktype)
859 const EC_KEY *eck = keydata;
863 if (!ossl_prov_is_running())
866 if ((selection & EC_POSSIBLE_SELECTIONS) == 0)
867 return 1; /* nothing to validate */
869 ctx = BN_CTX_new_ex(ossl_ec_key_get_libctx(eck));
873 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0)
874 ok = ok && EC_GROUP_check(EC_KEY_get0_group(eck), ctx);
876 if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0) {
877 if (checktype == OSSL_KEYMGMT_VALIDATE_QUICK_CHECK)
878 ok = ok && ossl_ec_key_public_check_quick(eck, ctx);
880 ok = ok && ossl_ec_key_public_check(eck, ctx);
883 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
884 ok = ok && ossl_sm2_key_private_check(eck);
886 if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == OSSL_KEYMGMT_SELECT_KEYPAIR)
887 ok = ok && ossl_ec_key_pairwise_check(eck, ctx);
896 int ec_validate(const void *keydata, int selection, int checktype)
898 const EC_KEY *eck = keydata;
902 if (!ossl_prov_is_running())
905 if ((selection & EC_POSSIBLE_SELECTIONS) == 0)
906 return 1; /* nothing to validate */
908 ctx = BN_CTX_new_ex(ossl_ec_key_get_libctx(eck));
912 if ((selection & OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS) != 0) {
913 int flags = EC_KEY_get_flags(eck);
915 if ((flags & EC_FLAG_CHECK_NAMED_GROUP) != 0)
916 ok = ok && EC_GROUP_check_named_curve(EC_KEY_get0_group(eck),
917 (flags & EC_FLAG_CHECK_NAMED_GROUP_NIST) != 0, ctx);
919 ok = ok && EC_GROUP_check(EC_KEY_get0_group(eck), ctx);
922 if ((selection & OSSL_KEYMGMT_SELECT_PUBLIC_KEY) != 0) {
923 if (checktype == OSSL_KEYMGMT_VALIDATE_QUICK_CHECK)
924 ok = ok && ossl_ec_key_public_check_quick(eck, ctx);
926 ok = ok && ossl_ec_key_public_check(eck, ctx);
929 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
930 ok = ok && ossl_ec_key_private_check(eck);
932 if ((selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == OSSL_KEYMGMT_SELECT_KEYPAIR)
933 ok = ok && ossl_ec_key_pairwise_check(eck, ctx);
940 OSSL_LIB_CTX *libctx;
946 BIGNUM *p, *a, *b, *order, *cofactor;
947 unsigned char *gen, *seed;
948 size_t gen_len, seed_len;
954 static void *ec_gen_init(void *provctx, int selection,
955 const OSSL_PARAM params[])
957 OSSL_LIB_CTX *libctx = PROV_LIBCTX_OF(provctx);
958 struct ec_gen_ctx *gctx = NULL;
960 if (!ossl_prov_is_running() || (selection & (EC_POSSIBLE_SELECTIONS)) == 0)
963 if ((gctx = OPENSSL_zalloc(sizeof(*gctx))) != NULL) {
964 gctx->libctx = libctx;
965 gctx->selection = selection;
968 if (!ec_gen_set_params(gctx, params)) {
976 # ifndef OPENSSL_NO_SM2
977 static void *sm2_gen_init(void *provctx, int selection,
978 const OSSL_PARAM params[])
980 struct ec_gen_ctx *gctx = ec_gen_init(provctx, selection, params);
983 if (gctx->group_name != NULL)
985 if ((gctx->group_name = OPENSSL_strdup("sm2")) != NULL)
987 ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
988 ec_gen_cleanup(gctx);
995 static int ec_gen_set_group(void *genctx, const EC_GROUP *src)
997 struct ec_gen_ctx *gctx = genctx;
1000 group = EC_GROUP_dup(src);
1001 if (group == NULL) {
1002 ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_CURVE);
1005 EC_GROUP_free(gctx->gen_group);
1006 gctx->gen_group = group;
1010 static int ec_gen_set_template(void *genctx, void *templ)
1012 struct ec_gen_ctx *gctx = genctx;
1014 const EC_GROUP *ec_group;
1016 if (!ossl_prov_is_running() || gctx == NULL || ec == NULL)
1018 if ((ec_group = EC_KEY_get0_group(ec)) == NULL)
1020 return ec_gen_set_group(gctx, ec_group);
1023 #define COPY_INT_PARAM(params, key, val) \
1024 p = OSSL_PARAM_locate_const(params, key); \
1025 if (p != NULL && !OSSL_PARAM_get_int(p, &val)) \
1028 #define COPY_UTF8_PARAM(params, key, val) \
1029 p = OSSL_PARAM_locate_const(params, key); \
1031 if (p->data_type != OSSL_PARAM_UTF8_STRING) \
1033 OPENSSL_free(val); \
1034 val = OPENSSL_strdup(p->data); \
1039 #define COPY_OCTET_PARAM(params, key, val, len) \
1040 p = OSSL_PARAM_locate_const(params, key); \
1042 if (p->data_type != OSSL_PARAM_OCTET_STRING) \
1044 OPENSSL_free(val); \
1045 len = p->data_size; \
1046 val = OPENSSL_memdup(p->data, p->data_size); \
1051 #define COPY_BN_PARAM(params, key, bn) \
1052 p = OSSL_PARAM_locate_const(params, key); \
1056 if (bn == NULL || !OSSL_PARAM_get_BN(p, &bn)) \
1060 static int ec_gen_set_params(void *genctx, const OSSL_PARAM params[])
1063 struct ec_gen_ctx *gctx = genctx;
1064 const OSSL_PARAM *p;
1065 EC_GROUP *group = NULL;
1067 COPY_INT_PARAM(params, OSSL_PKEY_PARAM_USE_COFACTOR_ECDH, gctx->ecdh_mode);
1069 COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_GROUP_NAME, gctx->group_name);
1070 COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_EC_FIELD_TYPE, gctx->field_type);
1071 COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_EC_ENCODING, gctx->encoding);
1072 COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT, gctx->pt_format);
1073 COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_EC_GROUP_CHECK_TYPE, gctx->group_check);
1075 COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_P, gctx->p);
1076 COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_A, gctx->a);
1077 COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_B, gctx->b);
1078 COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_ORDER, gctx->order);
1079 COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_COFACTOR, gctx->cofactor);
1081 COPY_OCTET_PARAM(params, OSSL_PKEY_PARAM_EC_SEED, gctx->seed, gctx->seed_len);
1082 COPY_OCTET_PARAM(params, OSSL_PKEY_PARAM_EC_GENERATOR, gctx->gen,
1087 EC_GROUP_free(group);
1091 static int ec_gen_set_group_from_params(struct ec_gen_ctx *gctx)
1094 OSSL_PARAM_BLD *bld;
1095 OSSL_PARAM *params = NULL;
1096 EC_GROUP *group = NULL;
1098 bld = OSSL_PARAM_BLD_new();
1102 if (gctx->encoding != NULL
1103 && !OSSL_PARAM_BLD_push_utf8_string(bld, OSSL_PKEY_PARAM_EC_ENCODING,
1107 if (gctx->pt_format != NULL
1108 && !OSSL_PARAM_BLD_push_utf8_string(bld,
1109 OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT,
1110 gctx->pt_format, 0))
1113 if (gctx->group_name != NULL) {
1114 if (!OSSL_PARAM_BLD_push_utf8_string(bld, OSSL_PKEY_PARAM_GROUP_NAME,
1115 gctx->group_name, 0))
1117 /* Ignore any other parameters if there is a group name */
1119 } else if (gctx->field_type != NULL) {
1120 if (!OSSL_PARAM_BLD_push_utf8_string(bld, OSSL_PKEY_PARAM_EC_FIELD_TYPE,
1121 gctx->field_type, 0))
1129 || gctx->order == NULL
1130 || !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_P, gctx->p)
1131 || !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_A, gctx->a)
1132 || !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_B, gctx->b)
1133 || !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_ORDER, gctx->order))
1136 if (gctx->cofactor != NULL
1137 && !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_COFACTOR,
1141 if (gctx->seed != NULL
1142 && !OSSL_PARAM_BLD_push_octet_string(bld, OSSL_PKEY_PARAM_EC_SEED,
1143 gctx->seed, gctx->seed_len))
1146 if (gctx->gen == NULL
1147 || !OSSL_PARAM_BLD_push_octet_string(bld, OSSL_PKEY_PARAM_EC_GENERATOR,
1148 gctx->gen, gctx->gen_len))
1151 params = OSSL_PARAM_BLD_to_param(bld);
1154 group = EC_GROUP_new_from_params(params, gctx->libctx, NULL);
1158 EC_GROUP_free(gctx->gen_group);
1159 gctx->gen_group = group;
1163 OSSL_PARAM_free(params);
1164 OSSL_PARAM_BLD_free(bld);
1168 static const OSSL_PARAM *ec_gen_settable_params(ossl_unused void *genctx,
1169 ossl_unused void *provctx)
1171 static OSSL_PARAM settable[] = {
1172 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_GROUP_NAME, NULL, 0),
1173 OSSL_PARAM_int(OSSL_PKEY_PARAM_USE_COFACTOR_ECDH, NULL),
1174 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_ENCODING, NULL, 0),
1175 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT, NULL, 0),
1176 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_EC_FIELD_TYPE, NULL, 0),
1177 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_P, NULL, 0),
1178 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_A, NULL, 0),
1179 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_B, NULL, 0),
1180 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_GENERATOR, NULL, 0),
1181 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_ORDER, NULL, 0),
1182 OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_COFACTOR, NULL, 0),
1183 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_SEED, NULL, 0),
1190 static int ec_gen_assign_group(EC_KEY *ec, EC_GROUP *group)
1192 if (group == NULL) {
1193 ERR_raise(ERR_LIB_PROV, PROV_R_NO_PARAMETERS_SET);
1196 return EC_KEY_set_group(ec, group) > 0;
1200 * The callback arguments (osslcb & cbarg) are not used by EC_KEY generation
1202 static void *ec_gen(void *genctx, OSSL_CALLBACK *osslcb, void *cbarg)
1204 struct ec_gen_ctx *gctx = genctx;
1208 if (!ossl_prov_is_running()
1210 || (ec = EC_KEY_new_ex(gctx->libctx, NULL)) == NULL)
1213 if (gctx->gen_group == NULL) {
1214 if (!ec_gen_set_group_from_params(gctx))
1217 if (gctx->encoding != NULL) {
1218 int flags = ossl_ec_encoding_name2id(gctx->encoding);
1222 EC_GROUP_set_asn1_flag(gctx->gen_group, flags);
1224 if (gctx->pt_format != NULL) {
1225 int format = ossl_ec_pt_format_name2id(gctx->pt_format);
1229 EC_GROUP_set_point_conversion_form(gctx->gen_group, format);
1233 /* We must always assign a group, no matter what */
1234 ret = ec_gen_assign_group(ec, gctx->gen_group);
1236 /* Whether you want it or not, you get a keypair, not just one half */
1237 if ((gctx->selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0)
1238 ret = ret && EC_KEY_generate_key(ec);
1240 if (gctx->ecdh_mode != -1)
1241 ret = ret && ossl_ec_set_ecdh_cofactor_mode(ec, gctx->ecdh_mode);
1243 if (gctx->group_check != NULL)
1244 ret = ret && ossl_ec_set_check_group_type_from_name(ec, gctx->group_check);
1248 /* Something went wrong, throw the key away */
1254 # ifndef OPENSSL_NO_SM2
1256 * The callback arguments (osslcb & cbarg) are not used by EC_KEY generation
1258 static void *sm2_gen(void *genctx, OSSL_CALLBACK *osslcb, void *cbarg)
1260 struct ec_gen_ctx *gctx = genctx;
1265 || (ec = EC_KEY_new_ex(gctx->libctx, NULL)) == NULL)
1268 if (gctx->gen_group == NULL) {
1269 if (!ec_gen_set_group_from_params(gctx))
1272 if (gctx->encoding) {
1273 int flags = ossl_ec_encoding_name2id(gctx->encoding);
1277 EC_GROUP_set_asn1_flag(gctx->gen_group, flags);
1279 if (gctx->pt_format != NULL) {
1280 int format = ossl_ec_pt_format_name2id(gctx->pt_format);
1284 EC_GROUP_set_point_conversion_form(gctx->gen_group, format);
1288 /* We must always assign a group, no matter what */
1289 ret = ec_gen_assign_group(ec, gctx->gen_group);
1291 /* Whether you want it or not, you get a keypair, not just one half */
1292 if ((gctx->selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0)
1293 ret = ret && EC_KEY_generate_key(ec);
1298 /* Something went wrong, throw the key away */
1305 static void ec_gen_cleanup(void *genctx)
1307 struct ec_gen_ctx *gctx = genctx;
1312 EC_GROUP_free(gctx->gen_group);
1316 BN_free(gctx->order);
1317 BN_free(gctx->cofactor);
1318 OPENSSL_free(gctx->group_name);
1319 OPENSSL_free(gctx->field_type);
1320 OPENSSL_free(gctx->pt_format);
1321 OPENSSL_free(gctx->encoding);
1322 OPENSSL_free(gctx->seed);
1323 OPENSSL_free(gctx->gen);
1327 static void *common_load(const void *reference, size_t reference_sz,
1332 if (ossl_prov_is_running() && reference_sz == sizeof(ec)) {
1333 /* The contents of the reference is the address to our object */
1334 ec = *(EC_KEY **)reference;
1336 if (!common_check_sm2(ec, sm2_wanted))
1339 /* We grabbed, so we detach it */
1340 *(EC_KEY **)reference = NULL;
1346 static void *ec_load(const void *reference, size_t reference_sz)
1348 return common_load(reference, reference_sz, 0);
1352 # ifndef OPENSSL_NO_SM2
1353 static void *sm2_load(const void *reference, size_t reference_sz)
1355 return common_load(reference, reference_sz, 1);
1360 static void *ec_dup(const void *keydata_from, int selection)
1362 if (ossl_prov_is_running())
1363 return ossl_ec_key_dup(keydata_from, selection);
1367 const OSSL_DISPATCH ossl_ec_keymgmt_functions[] = {
1368 { OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))ec_newdata },
1369 { OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))ec_gen_init },
1370 { OSSL_FUNC_KEYMGMT_GEN_SET_TEMPLATE,
1371 (void (*)(void))ec_gen_set_template },
1372 { OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS, (void (*)(void))ec_gen_set_params },
1373 { OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS,
1374 (void (*)(void))ec_gen_settable_params },
1375 { OSSL_FUNC_KEYMGMT_GEN, (void (*)(void))ec_gen },
1376 { OSSL_FUNC_KEYMGMT_GEN_CLEANUP, (void (*)(void))ec_gen_cleanup },
1377 { OSSL_FUNC_KEYMGMT_LOAD, (void (*)(void))ec_load },
1378 { OSSL_FUNC_KEYMGMT_FREE, (void (*)(void))ec_freedata },
1379 { OSSL_FUNC_KEYMGMT_GET_PARAMS, (void (*) (void))ec_get_params },
1380 { OSSL_FUNC_KEYMGMT_GETTABLE_PARAMS, (void (*) (void))ec_gettable_params },
1381 { OSSL_FUNC_KEYMGMT_SET_PARAMS, (void (*) (void))ec_set_params },
1382 { OSSL_FUNC_KEYMGMT_SETTABLE_PARAMS, (void (*) (void))ec_settable_params },
1383 { OSSL_FUNC_KEYMGMT_HAS, (void (*)(void))ec_has },
1384 { OSSL_FUNC_KEYMGMT_MATCH, (void (*)(void))ec_match },
1385 { OSSL_FUNC_KEYMGMT_VALIDATE, (void (*)(void))ec_validate },
1386 { OSSL_FUNC_KEYMGMT_IMPORT, (void (*)(void))ec_import },
1387 { OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))ec_import_types },
1388 { OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))ec_export },
1389 { OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))ec_export_types },
1390 { OSSL_FUNC_KEYMGMT_QUERY_OPERATION_NAME,
1391 (void (*)(void))ec_query_operation_name },
1392 { OSSL_FUNC_KEYMGMT_DUP, (void (*)(void))ec_dup },
1397 # ifndef OPENSSL_NO_SM2
1398 const OSSL_DISPATCH ossl_sm2_keymgmt_functions[] = {
1399 { OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))sm2_newdata },
1400 { OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))sm2_gen_init },
1401 { OSSL_FUNC_KEYMGMT_GEN_SET_TEMPLATE,
1402 (void (*)(void))ec_gen_set_template },
1403 { OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS, (void (*)(void))ec_gen_set_params },
1404 { OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS,
1405 (void (*)(void))ec_gen_settable_params },
1406 { OSSL_FUNC_KEYMGMT_GEN, (void (*)(void))sm2_gen },
1407 { OSSL_FUNC_KEYMGMT_GEN_CLEANUP, (void (*)(void))ec_gen_cleanup },
1408 { OSSL_FUNC_KEYMGMT_LOAD, (void (*)(void))sm2_load },
1409 { OSSL_FUNC_KEYMGMT_FREE, (void (*)(void))ec_freedata },
1410 { OSSL_FUNC_KEYMGMT_GET_PARAMS, (void (*) (void))sm2_get_params },
1411 { OSSL_FUNC_KEYMGMT_GETTABLE_PARAMS, (void (*) (void))sm2_gettable_params },
1412 { OSSL_FUNC_KEYMGMT_SET_PARAMS, (void (*) (void))ec_set_params },
1413 { OSSL_FUNC_KEYMGMT_SETTABLE_PARAMS, (void (*) (void))sm2_settable_params },
1414 { OSSL_FUNC_KEYMGMT_HAS, (void (*)(void))ec_has },
1415 { OSSL_FUNC_KEYMGMT_MATCH, (void (*)(void))ec_match },
1416 { OSSL_FUNC_KEYMGMT_VALIDATE, (void (*)(void))sm2_validate },
1417 { OSSL_FUNC_KEYMGMT_IMPORT, (void (*)(void))sm2_import },
1418 { OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))ec_import_types },
1419 { OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))ec_export },
1420 { OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))ec_export_types },
1421 { OSSL_FUNC_KEYMGMT_QUERY_OPERATION_NAME,
1422 (void (*)(void))sm2_query_operation_name },
1423 { OSSL_FUNC_KEYMGMT_DUP, (void (*)(void))ec_dup },